From 3b2c65e3234c6185942ec21ad1ba346000c69368 Mon Sep 17 00:00:00 2001 From: Ben Gras Date: Mon, 26 Mar 2007 10:55:16 +0000 Subject: [PATCH] Import of original zoneinfo code and database - tzcode old-tzcode-32-bit-output and tzdata2007d. --- commands/zoneinfo/Makefile | 424 +++++ commands/zoneinfo/README | 84 + commands/zoneinfo/Theory | 569 ++++++ commands/zoneinfo/africa | 641 +++++++ commands/zoneinfo/antarctica | 325 ++++ commands/zoneinfo/asctime.c | 129 ++ commands/zoneinfo/asia | 1787 +++++++++++++++++++ commands/zoneinfo/australasia | 1431 +++++++++++++++ commands/zoneinfo/backward | 109 ++ commands/zoneinfo/checktab.awk | 159 ++ commands/zoneinfo/date.1 | 175 ++ commands/zoneinfo/date.1.txt | 128 ++ commands/zoneinfo/date.c | 974 ++++++++++ commands/zoneinfo/difftime.c | 65 + commands/zoneinfo/etcetera | 80 + commands/zoneinfo/europe | 2519 ++++++++++++++++++++++++++ commands/zoneinfo/factory | 8 + commands/zoneinfo/ialloc.c | 99 ++ commands/zoneinfo/iso3166.tab | 267 +++ commands/zoneinfo/itca.jpg | Bin 0 -> 55948 bytes commands/zoneinfo/leapseconds | 82 + commands/zoneinfo/localtime.c | 1914 ++++++++++++++++++++ commands/zoneinfo/logwtmp.c | 71 + commands/zoneinfo/newctime.3 | 237 +++ commands/zoneinfo/newctime.3.txt | 147 ++ commands/zoneinfo/newstrftime.3 | 230 +++ commands/zoneinfo/newstrftime.3.txt | 152 ++ commands/zoneinfo/newtzset.3 | 237 +++ commands/zoneinfo/newtzset.3.txt | 153 ++ commands/zoneinfo/northamerica | 2537 +++++++++++++++++++++++++++ commands/zoneinfo/pacificnew | 26 + commands/zoneinfo/private.h | 316 ++++ commands/zoneinfo/scheck.c | 64 + commands/zoneinfo/solar87 | 388 ++++ commands/zoneinfo/solar88 | 388 ++++ commands/zoneinfo/solar89 | 393 +++++ commands/zoneinfo/southamerica | 1104 ++++++++++++ commands/zoneinfo/strftime.c | 761 ++++++++ commands/zoneinfo/systemv | 36 + commands/zoneinfo/time2posix.3 | 121 ++ commands/zoneinfo/time2posix.3.txt | 83 + commands/zoneinfo/tz-art.htm | 278 +++ commands/zoneinfo/tz-link.htm | 589 +++++++ commands/zoneinfo/tzfile.5 | 138 ++ commands/zoneinfo/tzfile.5.txt | 93 + commands/zoneinfo/tzfile.h | 175 ++ commands/zoneinfo/tzselect.8 | 41 + commands/zoneinfo/tzselect.8.txt | 41 + commands/zoneinfo/tzselect.ksh | 308 ++++ commands/zoneinfo/usno1988 | 111 ++ commands/zoneinfo/usno1989 | 452 +++++ commands/zoneinfo/usno1989a | 452 +++++ commands/zoneinfo/usno1995 | 326 ++++ commands/zoneinfo/usno1997 | 327 ++++ commands/zoneinfo/usno1998 | 327 ++++ commands/zoneinfo/workman.sh | 29 + commands/zoneinfo/yearistype.sh | 40 + commands/zoneinfo/zdump.8 | 57 + commands/zoneinfo/zdump.8.txt | 43 + commands/zoneinfo/zdump.c | 686 ++++++++ commands/zoneinfo/zic.8 | 436 +++++ commands/zoneinfo/zic.8.txt | 259 +++ commands/zoneinfo/zic.c | 2316 ++++++++++++++++++++++++ commands/zoneinfo/zone.tab | 420 +++++ 64 files changed, 27357 insertions(+) create mode 100644 commands/zoneinfo/Makefile create mode 100644 commands/zoneinfo/README create mode 100644 commands/zoneinfo/Theory create mode 100644 commands/zoneinfo/africa create mode 100644 commands/zoneinfo/antarctica create mode 100644 commands/zoneinfo/asctime.c create mode 100644 commands/zoneinfo/asia create mode 100644 commands/zoneinfo/australasia create mode 100644 commands/zoneinfo/backward create mode 100644 commands/zoneinfo/checktab.awk create mode 100644 commands/zoneinfo/date.1 create mode 100644 commands/zoneinfo/date.1.txt create mode 100644 commands/zoneinfo/date.c create mode 100644 commands/zoneinfo/difftime.c create mode 100644 commands/zoneinfo/etcetera create mode 100644 commands/zoneinfo/europe create mode 100644 commands/zoneinfo/factory create mode 100644 commands/zoneinfo/ialloc.c create mode 100644 commands/zoneinfo/iso3166.tab create mode 100644 commands/zoneinfo/itca.jpg create mode 100644 commands/zoneinfo/leapseconds create mode 100644 commands/zoneinfo/localtime.c create mode 100644 commands/zoneinfo/logwtmp.c create mode 100644 commands/zoneinfo/newctime.3 create mode 100644 commands/zoneinfo/newctime.3.txt create mode 100644 commands/zoneinfo/newstrftime.3 create mode 100644 commands/zoneinfo/newstrftime.3.txt create mode 100644 commands/zoneinfo/newtzset.3 create mode 100644 commands/zoneinfo/newtzset.3.txt create mode 100644 commands/zoneinfo/northamerica create mode 100644 commands/zoneinfo/pacificnew create mode 100644 commands/zoneinfo/private.h create mode 100644 commands/zoneinfo/scheck.c create mode 100644 commands/zoneinfo/solar87 create mode 100644 commands/zoneinfo/solar88 create mode 100644 commands/zoneinfo/solar89 create mode 100644 commands/zoneinfo/southamerica create mode 100644 commands/zoneinfo/strftime.c create mode 100644 commands/zoneinfo/systemv create mode 100644 commands/zoneinfo/time2posix.3 create mode 100644 commands/zoneinfo/time2posix.3.txt create mode 100644 commands/zoneinfo/tz-art.htm create mode 100644 commands/zoneinfo/tz-link.htm create mode 100644 commands/zoneinfo/tzfile.5 create mode 100644 commands/zoneinfo/tzfile.5.txt create mode 100644 commands/zoneinfo/tzfile.h create mode 100644 commands/zoneinfo/tzselect.8 create mode 100644 commands/zoneinfo/tzselect.8.txt create mode 100644 commands/zoneinfo/tzselect.ksh create mode 100644 commands/zoneinfo/usno1988 create mode 100644 commands/zoneinfo/usno1989 create mode 100644 commands/zoneinfo/usno1989a create mode 100644 commands/zoneinfo/usno1995 create mode 100644 commands/zoneinfo/usno1997 create mode 100644 commands/zoneinfo/usno1998 create mode 100644 commands/zoneinfo/workman.sh create mode 100644 commands/zoneinfo/yearistype.sh create mode 100644 commands/zoneinfo/zdump.8 create mode 100644 commands/zoneinfo/zdump.8.txt create mode 100644 commands/zoneinfo/zdump.c create mode 100644 commands/zoneinfo/zic.8 create mode 100644 commands/zoneinfo/zic.8.txt create mode 100644 commands/zoneinfo/zic.c create mode 100644 commands/zoneinfo/zone.tab diff --git a/commands/zoneinfo/Makefile b/commands/zoneinfo/Makefile new file mode 100644 index 000000000..a2ae4af9e --- /dev/null +++ b/commands/zoneinfo/Makefile @@ -0,0 +1,424 @@ +# @(#)Makefile 7.109 + +# Change the line below for your time zone (after finding the zone you want in +# the time zone files, or adding it to a time zone file). +# Alternately, if you discover you've got the wrong time zone, you can just +# zic -l rightzone +# to correct things. +# Use the command +# make zonenames +# to get a list of the values you can use for LOCALTIME. + +LOCALTIME= Factory + +# If you want something other than Eastern United States time as a template +# for handling POSIX-style time zone environment variables, +# change the line below (after finding the zone you want in the +# time zone files, or adding it to a time zone file). +# (When a POSIX-style environment variable is handled, the rules in the +# template file are used to determine "spring forward" and "fall back" days and +# times; the environment variable itself specifies UTC offsets of standard and +# summer time.) +# Alternately, if you discover you've got the wrong time zone, you can just +# zic -p rightzone +# to correct things. +# Use the command +# make zonenames +# to get a list of the values you can use for POSIXRULES. +# If you want POSIX compatibility, use "America/New_York". + +POSIXRULES= America/New_York + +# Also see TZDEFRULESTRING below, which takes effect only +# if the time zone files cannot be accessed. + +# Everything gets put in subdirectories of. . . + +TOPDIR= /usr/local + +# "Compiled" time zone information is placed in the "TZDIR" directory +# (and subdirectories). +# Use an absolute path name for TZDIR unless you're just testing the software. + +TZDIR= $(TOPDIR)/etc/zoneinfo + +# The "tzselect", "zic", and "zdump" commands get installed in. . . + +ETCDIR= $(TOPDIR)/etc + +# If you "make INSTALL", the "date" command gets installed in. . . + +BINDIR= $(TOPDIR)/bin + +# Manual pages go in subdirectories of. . . + +MANDIR= $(TOPDIR)/man + +# Library functions are put in an archive in LIBDIR. + +LIBDIR= $(TOPDIR)/lib +TZLIB= $(LIBDIR)/libtz.a + +# If you always want time values interpreted as "seconds since the epoch +# (not counting leap seconds)", use +# REDO= posix_only +# below. If you always want right time values interpreted as "seconds since +# the epoch" (counting leap seconds)", use +# REDO= right_only +# below. If you want both sets of data available, with leap seconds not +# counted normally, use +# REDO= posix_right +# below. If you want both sets of data available, with leap seconds counted +# normally, use +# REDO= right_posix +# below. +# POSIX mandates that leap seconds not be counted; for compatibility with it, +# use either "posix_only" or "posix_right". + +REDO= posix_right + +# Since "." may not be in PATH... + +YEARISTYPE= ./yearistype + +# Non-default libraries needed to link. +# Add -lintl if you want to use `gettext' on Solaris. +LDLIBS= + +# Add the following to the end of the "CFLAGS=" line as needed. +# -Dconst= if `const' does not work (SunOS 4.x cc, OSF1 V5.0 cc) +# -DHAVE_ADJTIME=0 if `adjtime' does not exist (SVR0?) +# -DHAVE_GETTEXT=1 if `gettext' works (GNU, Linux, Solaris); also see LDLIBS +# -DHAVE_INCOMPATIBLE_CTIME_R=1 if your system's time.h declares +# ctime_r and asctime_r incompatibly with the POSIX standard (Solaris 8). +# -DHAVE_SETTIMEOFDAY=0 if settimeofday does not exist (SVR0?) +# -DHAVE_SETTIMEOFDAY=1 if settimeofday has just 1 arg (SVR4) +# -DHAVE_SETTIMEOFDAY=2 if settimeofday uses 2nd arg (4.3BSD) +# -DHAVE_SETTIMEOFDAY=3 if settimeofday ignores 2nd arg (4.4BSD) +# -DHAVE_STRERROR=0 if your system lacks the strerror function +# -DHAVE_SYMLINK=0 if your system lacks the symlink function +# -DHAVE_SYS_STAT_H=0 if your compiler lacks a "sys/stat.h" +# -DHAVE_SYS_WAIT_H=0 if your compiler lacks a "sys/wait.h" +# -DLOCALE_HOME=\"path\" if locales are in "path", not "/usr/lib/locale" +# -DHAVE_UNISTD_H=0 if your compiler lacks a "unistd.h" (Microsoft C++ 7?) +# -DHAVE_UTMPX_H=1 if your compiler has a "utmpx.h" +# -DTZDEFRULESTRING=\",date/time,date/time\" to default to the specified +# DST transitions if the time zone files cannot be accessed +# -DTZ_DOMAIN=\"foo\" to use "foo" for gettext domain name; default is "tz" +# -TTZ_DOMAINDIR=\"/path\" to use "/path" for gettext directory; +# the default is system-supplied, typically "/usr/lib/locale" +# $(GCC_DEBUG_FLAGS) if you are using GCC and want lots of checking +# -DNO_RUN_TIME_WARNINGS_ABOUT_YEAR_2000_PROBLEMS_THANK_YOU=1 +# if you do not want run time warnings about formats that may cause +# year 2000 grief +# -DZIC_MAX_ABBR_LEN_WO_WARN=3 +# (or some other number) to set the maximum time zone abbreviation length +# that zic will accept without a warning (the default is 6) +GCC_DEBUG_FLAGS = -Dlint -g -O -fno-common \ + -Wall -Wcast-qual -Wconversion -Wmissing-prototypes \ + -Wnested-externs -Wpointer-arith -Wshadow \ + -Wtraditional # -Wstrict-prototypes -Wwrite-strings +# +# If you want to use System V compatibility code, add +# -DUSG_COMPAT +# to the end of the "CFLAGS=" line. This arrange for "timezone" and "daylight" +# variables to be kept up-to-date by the time conversion functions. Neither +# "timezone" nor "daylight" is described in X3J11's work. +# +# If your system has a "GMT offset" field in its "struct tm"s +# (or if you decide to add such a field in your system's "time.h" file), +# add the name to a define such as +# -DTM_GMTOFF=tm_gmtoff +# or +# -DTM_GMTOFF=_tm_gmtoff +# to the end of the "CFLAGS=" line. +# Neither tm_gmtoff nor _tm_gmtoff is described in X3J11's work; +# in its work, use of "tm_gmtoff" is described as non-conforming. +# Both Linux and BSD have done the equivalent of defining TM_GMTOFF in +# their recent releases. +# +# If your system has a "zone abbreviation" field in its "struct tm"s +# (or if you decide to add such a field in your system's "time.h" file), +# add the name to a define such as +# -DTM_ZONE=tm_zone +# or +# -DTM_ZONE=_tm_zone +# to the end of the "CFLAGS=" line. +# Neither tm_zone nor _tm_zone is described in X3J11's work; +# in its work, use of "tm_zone" is described as non-conforming. +# Both UCB and Sun have done the equivalent of defining TM_ZONE in +# their recent releases. +# +# If you want functions that were inspired by early versions of X3J11's work, +# add +# -DSTD_INSPIRED +# to the end of the "CFLAGS=" line. This arranges for the functions +# "tzsetwall", "offtime", "timelocal", "timegm", "timeoff", +# "posix2time", and "time2posix" to be added to the time conversion library. +# "tzsetwall" is like "tzset" except that it arranges for local wall clock +# time (rather than the time specified in the TZ environment variable) +# to be used. +# "offtime" is like "gmtime" except that it accepts a second (long) argument +# that gives an offset to add to the time_t when converting it. +# "timelocal" is equivalent to "mktime". +# "timegm" is like "timelocal" except that it turns a struct tm into +# a time_t using UTC (rather than local time as "timelocal" does). +# "timeoff" is like "timegm" except that it accepts a second (long) argument +# that gives an offset to use when converting to a time_t. +# "posix2time" and "time2posix" are described in an included manual page. +# X3J11's work does not describe any of these functions. +# Sun has provided "tzsetwall", "timelocal", and "timegm" in SunOS 4.0. +# These functions may well disappear in future releases of the time +# conversion package. +# +# If you want Source Code Control System ID's left out of object modules, add +# -DNOID +# to the end of the "CFLAGS=" line. +# +# If you'll never want to handle solar-time-based time zones, add +# -DNOSOLAR +# to the end of the "CFLAGS=" line +# (and comment out the "SDATA=" line below). +# This reduces (slightly) the run-time data-space requirements of +# the time conversion functions; it may reduce the acceptability of your system +# to folks in oil- and cash-rich places. +# +# If you want to allocate state structures in localtime, add +# -DALL_STATE +# to the end of the "CFLAGS=" line. Storage is obtained by calling malloc. +# +# If you want an "altzone" variable (a la System V Release 3.1), add +# -DALTZONE +# to the end of the "CFLAGS=" line. +# This variable is not described in X3J11's work. +# +# If you want a "gtime" function (a la MACH), add +# -DCMUCS +# to the end of the "CFLAGS=" line +# This function is not described in X3J11's work. +# +# NIST-PCTS:151-2, Version 1.4, (1993-12-03) is a test suite put +# out by the National Institute of Standards and Technology +# which claims to test C and Posix conformance. If you want to pass PCTS, add +# -DPCTS +# to the end of the "CFLAGS=" line. +# +# If you want strict compliance with XPG4 as of 1994-04-09, add +# -DXPG4_1994_04_09 +# to the end of the "CFLAGS=" line. This causes "strftime" to always return +# 53 as a week number (rather than 52 or 53) for those days in January that +# before the first Monday in January when a "%V" format is used and January 1 +# falls on a Friday, Saturday, or Sunday. + +CFLAGS= + +# If you want zic's -s option used when installing, uncomment the next line +# ZFLAGS= -s + +zic= ./zic +ZIC= $(zic) $(ZFLAGS) + +# The name of a Posix-compliant `awk' on your system. +AWK= nawk + +# The path where SGML DTDs are kept. +SGML_SEARCH_PATH= $(TOPDIR)/share/doc/sgml-lib/REC-xhtml1-20000126/ + +# The catalog file(s) to use when validating XHTML. +SGML_CATALOG_FILES= xhtml.soc + +# The name, arguments and environment of a program to validate your web pages. +# See for a validator, and +# for a validation library. +VALIDATE = nsgmls +VALIDATE_FLAGS = -s -B -wall -wno-unused-param -wxml +VALIDATE_ENV = \ + SGML_CATALOG_FILES=$(SGML_CATALOG_FILES) \ + SGML_SEARCH_PATH=$(SGML_SEARCH_PATH) \ + SP_CHARSET_FIXED=YES \ + SP_ENCODING=UTF-8 + +############################################################################### + +cc= cc +CC= $(cc) -DTZDIR=\"$(TZDIR)\" + +TZCSRCS= zic.c localtime.c asctime.c scheck.c ialloc.c +TZCOBJS= zic.o localtime.o asctime.o scheck.o ialloc.o +TZDSRCS= zdump.c localtime.c ialloc.c +TZDOBJS= zdump.o localtime.o ialloc.o +DATESRCS= date.c localtime.c logwtmp.c strftime.c asctime.c +DATEOBJS= date.o localtime.o logwtmp.o strftime.o asctime.o +LIBSRCS= localtime.c asctime.c difftime.c +LIBOBJS= localtime.o asctime.o difftime.o +HEADERS= tzfile.h private.h +NONLIBSRCS= zic.c zdump.c scheck.c ialloc.c +NEWUCBSRCS= date.c logwtmp.c strftime.c +SOURCES= $(HEADERS) $(LIBSRCS) $(NONLIBSRCS) $(NEWUCBSRCS) tzselect.ksh +MANS= newctime.3 newstrftime.3 newtzset.3 time2posix.3 \ + tzfile.5 tzselect.8 zic.8 zdump.8 +DOCS= README Theory $(MANS) date.1 Makefile +PRIMARY_YDATA= africa antarctica asia australasia \ + europe northamerica southamerica +YDATA= $(PRIMARY_YDATA) pacificnew etcetera factory backward +NDATA= systemv +SDATA= solar87 solar88 solar89 +TDATA= $(YDATA) $(NDATA) $(SDATA) +TABDATA= iso3166.tab zone.tab +DATA= $(YDATA) $(NDATA) $(SDATA) $(TABDATA) leapseconds yearistype.sh +WEB_PAGES= tz-art.htm tz-link.htm +MISC= usno1988 usno1989 usno1989a usno1995 usno1997 usno1998 \ + itca.jpg $(WEB_PAGES) checktab.awk workman.sh +ENCHILADA= $(DOCS) $(SOURCES) $(DATA) $(MISC) + +# And for the benefit of csh users on systems that assume the user +# shell should be used to handle commands in Makefiles. . . + +SHELL= /bin/sh + +all: tzselect zic zdump $(LIBOBJS) + +ALL: all date + +install: all $(DATA) $(REDO) $(TZLIB) $(MANS) $(TABDATA) + $(ZIC) -y $(YEARISTYPE) \ + -d $(TZDIR) -l $(LOCALTIME) -p $(POSIXRULES) + -rm -f $(TZDIR)/iso3166.tab $(TZDIR)/zone.tab + cp iso3166.tab zone.tab $(TZDIR)/. + -mkdir $(TOPDIR) $(ETCDIR) + cp tzselect zic zdump $(ETCDIR)/. + -mkdir $(TOPDIR) $(MANDIR) \ + $(MANDIR)/man3 $(MANDIR)/man5 $(MANDIR)/man8 + -rm -f $(MANDIR)/man3/newctime.3 \ + $(MANDIR)/man3/newtzset.3 \ + $(MANDIR)/man5/tzfile.5 \ + $(MANDIR)/man8/tzselect.8 \ + $(MANDIR)/man8/zdump.8 \ + $(MANDIR)/man8/zic.8 + cp newctime.3 newtzset.3 $(MANDIR)/man3/. + cp tzfile.5 $(MANDIR)/man5/. + cp tzselect.8 zdump.8 zic.8 $(MANDIR)/man8/. + +INSTALL: ALL install date.1 + -mkdir $(TOPDIR) $(BINDIR) + cp date $(BINDIR)/. + -mkdir $(TOPDIR) $(MANDIR) $(MANDIR)/man1 + -rm -f $(MANDIR)/man1/date.1 + cp date.1 $(MANDIR)/man1/. + +zdump: $(TZDOBJS) + $(CC) $(CFLAGS) $(LFLAGS) $(TZDOBJS) $(LDLIBS) -o $@ + +zic: $(TZCOBJS) yearistype + $(CC) $(CFLAGS) $(LFLAGS) $(TZCOBJS) $(LDLIBS) -o $@ + +yearistype: yearistype.sh + cp yearistype.sh yearistype + chmod +x yearistype + +posix_only: zic $(TDATA) + $(ZIC) -y $(YEARISTYPE) -d $(TZDIR) -L /dev/null $(TDATA) + +right_only: zic leapseconds $(TDATA) + $(ZIC) -y $(YEARISTYPE) -d $(TZDIR) -L leapseconds $(TDATA) + +# In earlier versions of this makefile, the other two directories were +# subdirectories of $(TZDIR). However, this led to configuration errors. +# For example, with posix_right under the earlier scheme, +# TZ='right/Australia/Adelaide' got you localtime with leap seconds, +# but gmtime without leap seconds, which led to problems with applications +# like sendmail that subtract gmtime from localtime. +# Therefore, the other two directories are now siblings of $(TZDIR). +# You must replace all of $(TZDIR) to switch from not using leap seconds +# to using them, or vice versa. +other_two: zic leapseconds $(TDATA) + $(ZIC) -y $(YEARISTYPE) -d $(TZDIR)-posix -L /dev/null $(TDATA) + $(ZIC) -y $(YEARISTYPE) \ + -d $(TZDIR)-leaps -L leapseconds $(TDATA) + +posix_right: posix_only other_two + +right_posix: right_only other_two + +zones: $(REDO) + +$(TZLIB): $(LIBOBJS) + -mkdir $(TOPDIR) $(LIBDIR) + ar ru $@ $(LIBOBJS) + if [ -x /usr/ucb/ranlib -o -x /usr/bin/ranlib ] ; \ + then ranlib $@ ; fi + +# We use the system's logwtmp in preference to ours if available. + +date: $(DATEOBJS) + ar r ,lib.a logwtmp.o + if [ -x /usr/ucb/ranlib -o -x /usr/bin/ranlib ] ; \ + then ranlib ,lib.a ; fi + $(CC) $(CFLAGS) date.o localtime.o asctime.o strftime.o \ + $(LDLIBS) -lc ,lib.a -o $@ + rm -f ,lib.a + +tzselect: tzselect.ksh + sed \ + -e 's|AWK=[^}]*|AWK=$(AWK)|g' \ + -e 's|TZDIR=[^}]*|TZDIR=$(TZDIR)|' \ + <$? >$@ + chmod +x $@ + +check: check_tables check_web + +check_tables: checktab.awk $(PRIMARY_YDATA) + $(AWK) -f checktab.awk $(PRIMARY_YDATA) + +check_web: $(WEB_PAGES) + $(VALIDATE_ENV) $(VALIDATE) $(VALIDATE_FLAGS) $(WEB_PAGES) + +clean: + rm -f core *.o *.out tzselect zdump zic yearistype date + +maintainer-clean: clean + @echo 'This command is intended for maintainers to use; it' + @echo 'deletes files that may need special tools to rebuild.' + rm -f *.[1-8].txt tzcode.tar.gz tzdata.tar.gz + +names: + @echo $(ENCHILADA) + +# The zics below ensure that each data file can stand on its own. +# We also do an all-files run to catch links to links. + +public: $(ENCHILADA) + make maintainer-clean + make "CFLAGS=$(GCC_DEBUG_FLAGS)" + -mkdir /tmp/,tzpublic + -for i in $(TDATA) ; do zic -v -d /tmp/,tzpublic $$i 2>&1 | grep -v "starting year" ; done + for i in $(TDATA) ; do zic -d /tmp/,tzpublic $$i || exit; done + zic -v -d /tmp/,tzpublic $(TDATA) || exit + rm -f -r /tmp/,tzpublic + for i in *.[1-8] ; do sh workman.sh $$i > $$i.txt || exit; done + $(AWK) -f checktab.awk $(PRIMARY_YDATA) + tar cf - $(DOCS) $(SOURCES) $(MISC) *.[1-8].txt | gzip -9 > tzcode.tar.gz + tar cf - $(DATA) | gzip -9 > tzdata.tar.gz + +typecheck: + make clean + for i in "long long" unsigned double; \ + do \ + make CFLAGS="-DTYPECHECK -D_TIME_T \"-Dtime_t=$$i\"" ; \ + ./zdump -v Europe/Rome ; \ + make clean ; \ + done + +zonenames: $(TDATA) + @$(AWK) '/^Zone/ { print $$2 } /^Link/ { print $$3 }' $(TDATA) + +asctime.o: private.h tzfile.h +date.o: private.h +difftime.o: private.h +ialloc.o: private.h +localtime.o: private.h tzfile.h +scheck.o: private.h +strftime.o: tzfile.h +zic.o: private.h tzfile.h + +.KEEP_STATE: diff --git a/commands/zoneinfo/README b/commands/zoneinfo/README new file mode 100644 index 000000000..e868f6d2c --- /dev/null +++ b/commands/zoneinfo/README @@ -0,0 +1,84 @@ +@(#)README 7.12 + +"What time is it?" -- Richard Deacon as The King +"Any time you want it to be." -- Frank Baxter as The Scientist + (from the Bell System film "About Time") + +The 1989 update of the time zone package featured + +* POSIXization (including interpretation of POSIX-style TZ environment + variables, provided by Guy Harris), +* ANSIfication (including versions of "mktime" and "difftime"), +* SVIDulation (an "altzone" variable) +* MACHination (the "gtime" function) +* corrections to some time zone data (including corrections to the rules + for Great Britain and New Zealand) +* reference data from the United States Naval Observatory for folks who + want to do additional time zones +* and the 1989 data for Saudi Arabia. + +(Since this code will be treated as "part of the implementation" in some places +and as "part of the application" in others, there's no good way to name +functions, such as timegm, that are not part of the proposed ANSI C standard; +such functions have kept their old, underscore-free names in this update.) + +And the "dysize" function has disappeared; it was present to allow compilation +of the "date" command on old BSD systems, and a version of "date" is now +provided in the package. The "date" command is not created when you "make all" +since it may lack options provided by the version distributed with your +operating system, or may not interact with the system in the same way the +native version does. + +Since POSIX frowns on correct leap second handling, the default behavior of +the "zic" command (in the absence of a "-L" option) has been changed to omit +leap second information from its output files. + +Here is a recipe for acquiring, building, installing, and testing the +tz distribution on a GNU/Linux or similar host. + + mkdir tz + cd tz + wget 'ftp://elsie.nci.nih.gov/pub/tz*.tar.gz' + gzip -dc tzcode*.tar.gz | tar -xf - + gzip -dc tzdata*.tar.gz | tar -xf - + +Be sure to read the comments in "Makefile" and make any changes needed +to make things right for your system, especially if you are using some +platform other than GNU/Linux. Then run the following commands, +substituting your desired installation directory for "$HOME/tzdir": + + make TOPDIR=$HOME/tzdir install + $HOME/tzdir/etc/zdump -v America/Los_Angeles + +To use the new functions, use a "-ltz" option when compiling or linking. + +Historical local time information has been included here to: + +* provide a compendium of data about the history of civil time + that is useful even if the data are not 100% accurate; + +* give an idea of the variety of local time rules that have + existed in the past and thus an idea of the variety that may be + expected in the future; + +* provide a test of the generality of the local time rule description + system. + +The information in the time zone data files is by no means authoritative; +the files currently do not even attempt to covar all time stamps before +1970, and there are undoubtedly errors even for time stamps since 1970. +If you know that the rules are different from those in a file, by all means +feel free to change file (and please send the changed version to +tz@elsie.nci.nih.gov for use in the future). Europeans take note! + +Thanks to these Timezone Caballeros who've made major contributions to the +time conversion package: Keith Bostic; Bob Devine; Paul Eggert; Robert Elz; +Guy Harris; Mark Horton; John Mackin; and Bradley White. Thanks also to +Michael Bloom, Art Neilson, Stephen Prince, John Sovereign, and Frank Wales +for testing work, and to Gwillim Law for checking local mean time data. +None of them are responsible for remaining errors. + +Look in the ~ftp/pub directory of elsie.nci.nih.gov +for updated versions of these files. + +Please send comments or information to tz@elsie.nci.nih.gov. diff --git a/commands/zoneinfo/Theory b/commands/zoneinfo/Theory new file mode 100644 index 000000000..23faf302e --- /dev/null +++ b/commands/zoneinfo/Theory @@ -0,0 +1,569 @@ +@(#)Theory 7.19 + + +----- Outline ----- + + Time and date functions + Names of time zone regions + Time zone abbreviations + Calendrical issues + Time and time zones on Mars + + +----- Time and date functions ----- + +These time and date functions are upwards compatible with POSIX, +an international standard for UNIX-like systems. +As of this writing, the current edition of POSIX is: + + Standard for Information technology + -- Portable Operating System Interface (POSIX (R)) + -- System Interfaces + IEEE Std 1003.1, 2004 Edition + + + +POSIX has the following properties and limitations. + +* In POSIX, time display in a process is controlled by the + environment variable TZ. Unfortunately, the POSIX TZ string takes + a form that is hard to describe and is error-prone in practice. + Also, POSIX TZ strings can't deal with other (for example, Israeli) + daylight saving time rules, or situations where more than two + time zone abbreviations are used in an area. + + The POSIX TZ string takes the following form: + + stdoffset[dst[offset],date[/time],date[/time]] + + where: + + std and dst + are 3 or more characters specifying the standard + and daylight saving time (DST) zone names. + Starting with POSIX.1-2001, std and dst may also be + in a quoted form like ""; this allows + "+" and "-" in the names. + offset + is of the form `[-]hh:[mm[:ss]]' and specifies the + offset west of UTC. The default DST offset is one hour + ahead of standard time. + date[/time],date[/time] + specifies the beginning and end of DST. If this is absent, + the system supplies its own rules for DST, and these can + differ from year to year; typically US DST rules are used. + time + takes the form `hh:[mm[:ss]]' and defaults to 02:00. + date + takes one of the following forms: + Jn (1<=n<=365) + origin-1 day number not counting February 29 + n (0<=n<=365) + origin-0 day number counting February 29 if present + Mm.n.d (0[Sunday]<=d<=6[Saturday], 1<=n<=5, 1<=m<=12) + for the dth day of week n of month m of the year, + where week 1 is the first week in which day d appears, + and `5' stands for the last week in which day d appears + (which may be either the 4th or 5th week). + + Here is an example POSIX TZ string, for US Pacific time using rules + appropriate from 1987 through 2006: + + TZ='PST8PDT,M4.1.0/02:00,M10.5.0/02:00' + + This POSIX TZ string is hard to remember, and mishandles time stamps + before 1987 and after 2006. With this package you can use this + instead: + + TZ='America/Los_Angeles' + +* POSIX does not define the exact meaning of TZ values like "EST5EDT". + Typically the current US DST rules are used to interpret such values, + but this means that the US DST rules are compiled into each program + that does time conversion. This means that when US time conversion + rules change (as in the United States in 1987), all programs that + do time conversion must be recompiled to ensure proper results. + +* In POSIX, there's no tamper-proof way for a process to learn the + system's best idea of local wall clock. (This is important for + applications that an administrator wants used only at certain times-- + without regard to whether the user has fiddled the "TZ" environment + variable. While an administrator can "do everything in UTC" to get + around the problem, doing so is inconvenient and precludes handling + daylight saving time shifts--as might be required to limit phone + calls to off-peak hours.) + +* POSIX requires that systems ignore leap seconds. + +These are the extensions that have been made to the POSIX functions: + +* The "TZ" environment variable is used in generating the name of a file + from which time zone information is read (or is interpreted a la + POSIX); "TZ" is no longer constrained to be a three-letter time zone + name followed by a number of hours and an optional three-letter + daylight time zone name. The daylight saving time rules to be used + for a particular time zone are encoded in the time zone file; + the format of the file allows U.S., Australian, and other rules to be + encoded, and allows for situations where more than two time zone + abbreviations are used. + + It was recognized that allowing the "TZ" environment variable to + take on values such as "America/New_York" might cause "old" programs + (that expect "TZ" to have a certain form) to operate incorrectly; + consideration was given to using some other environment variable + (for example, "TIMEZONE") to hold the string used to generate the + time zone information file name. In the end, however, it was decided + to continue using "TZ": it is widely used for time zone purposes; + separately maintaining both "TZ" and "TIMEZONE" seemed a nuisance; + and systems where "new" forms of "TZ" might cause problems can simply + use TZ values such as "EST5EDT" which can be used both by + "new" programs (a la POSIX) and "old" programs (as zone names and + offsets). + +* To handle places where more than two time zone abbreviations are used, + the functions "localtime" and "gmtime" set tzname[tmp->tm_isdst] + (where "tmp" is the value the function returns) to the time zone + abbreviation to be used. This differs from POSIX, where the elements + of tzname are only changed as a result of calls to tzset. + +* Since the "TZ" environment variable can now be used to control time + conversion, the "daylight" and "timezone" variables are no longer + needed. (These variables are defined and set by "tzset"; however, their + values will not be used by "localtime.") + +* The "localtime" function has been set up to deliver correct results + for near-minimum or near-maximum time_t values. (A comment in the + source code tells how to get compatibly wrong results). + +* A function "tzsetwall" has been added to arrange for the system's + best approximation to local wall clock time to be delivered by + subsequent calls to "localtime." Source code for portable + applications that "must" run on local wall clock time should call + "tzsetwall();" if such code is moved to "old" systems that don't + provide tzsetwall, you won't be able to generate an executable program. + (These time zone functions also arrange for local wall clock time to be + used if tzset is called--directly or indirectly--and there's no "TZ" + environment variable; portable applications should not, however, rely + on this behavior since it's not the way SVR2 systems behave.) + +* These functions can account for leap seconds, thanks to Bradley White. + +Points of interest to folks with other systems: + +* This package is already part of many POSIX-compliant hosts, + including BSD, HP, Linux, Network Appliance, SCO, SGI, and Sun. + On such hosts, the primary use of this package + is to update obsolete time zone rule tables. + To do this, you may need to compile the time zone compiler + `zic' supplied with this package instead of using the system `zic', + since the format of zic's input changed slightly in late 1994, + and many vendors still do not support the new input format. + +* The UNIX Version 7 "timezone" function is not present in this package; + it's impossible to reliably map timezone's arguments (a "minutes west + of GMT" value and a "daylight saving time in effect" flag) to a + time zone abbreviation, and we refuse to guess. + Programs that in the past used the timezone function may now examine + tzname[localtime(&clock)->tm_isdst] to learn the correct time + zone abbreviation to use. Alternatively, use + localtime(&clock)->tm_zone if this has been enabled. + +* The 4.2BSD gettimeofday function is not used in this package. + This formerly let users obtain the current UTC offset and DST flag, + but this functionality was removed in later versions of BSD. + +* In SVR2, time conversion fails for near-minimum or near-maximum + time_t values when doing conversions for places that don't use UTC. + This package takes care to do these conversions correctly. + +The functions that are conditionally compiled if STD_INSPIRED is defined +should, at this point, be looked on primarily as food for thought. They are +not in any sense "standard compatible"--some are not, in fact, specified in +*any* standard. They do, however, represent responses of various authors to +standardization proposals. + +Other time conversion proposals, in particular the one developed by folks at +Hewlett Packard, offer a wider selection of functions that provide capabilities +beyond those provided here. The absence of such functions from this package +is not meant to discourage the development, standardization, or use of such +functions. Rather, their absence reflects the decision to make this package +contain valid extensions to POSIX, to ensure its broad acceptability. If +more powerful time conversion functions can be standardized, so much the +better. + + +----- Names of time zone rule files ----- + +The time zone rule file naming conventions attempt to strike a balance +among the following goals: + + * Uniquely identify every national region where clocks have all + agreed since 1970. This is essential for the intended use: static + clocks keeping local civil time. + + * Indicate to humans as to where that region is. This simplifes use. + + * Be robust in the presence of political changes. This reduces the + number of updates and backward-compatibility hacks. For example, + names of countries are ordinarily not used, to avoid + incompatibilities when countries change their name + (e.g. Zaire->Congo) or when locations change countries + (e.g. Hong Kong from UK colony to China). + + * Be portable to a wide variety of implementations. + This promotes use of the technology. + + * Use a consistent naming convention over the entire world. + This simplifies both use and maintenance. + +This naming convention is not intended for use by inexperienced users +to select TZ values by themselves (though they can of course examine +and reuse existing settings). Distributors should provide +documentation and/or a simple selection interface that explains the +names; see the 'tzselect' program supplied with this distribution for +one example. + +Names normally have the form AREA/LOCATION, where AREA is the name +of a continent or ocean, and LOCATION is the name of a specific +location within that region. North and South America share the same +area, `America'. Typical names are `Africa/Cairo', `America/New_York', +and `Pacific/Honolulu'. + +Here are the general rules used for choosing location names, +in decreasing order of importance: + + Use only valid POSIX file name components (i.e., the parts of + names other than `/'). Within a file name component, + use only ASCII letters, `.', `-' and `_'. Do not use + digits, as that might create an ambiguity with POSIX + TZ strings. A file name component must not exceed 14 + characters or start with `-'. E.g., prefer `Brunei' + to `Bandar_Seri_Begawan'. + Include at least one location per time zone rule set per country. + One such location is enough. Use ISO 3166 (see the file + iso3166.tab) to help decide whether something is a country. + However, uninhabited ISO 3166 regions like Bouvet Island + do not need locations, since local time is not defined there. + If all the clocks in a country's region have agreed since 1970, + don't bother to include more than one location + even if subregions' clocks disagreed before 1970. + Otherwise these tables would become annoyingly large. + If a name is ambiguous, use a less ambiguous alternative; + e.g. many cities are named San Jose and Georgetown, so + prefer `Costa_Rica' to `San_Jose' and `Guyana' to `Georgetown'. + Keep locations compact. Use cities or small islands, not countries + or regions, so that any future time zone changes do not split + locations into different time zones. E.g. prefer `Paris' + to `France', since France has had multiple time zones. + Use mainstream English spelling, e.g. prefer `Rome' to `Roma', and + prefer `Athens' to the true name (which uses Greek letters). + The POSIX file name restrictions encourage this rule. + Use the most populous among locations in a country's time zone, + e.g. prefer `Shanghai' to `Beijing'. Among locations with + similar populations, pick the best-known location, + e.g. prefer `Rome' to `Milan'. + Use the singular form, e.g. prefer `Canary' to `Canaries'. + Omit common suffixes like `_Islands' and `_City', unless that + would lead to ambiguity. E.g. prefer `Cayman' to + `Cayman_Islands' and `Guatemala' to `Guatemala_City', + but prefer `Mexico_City' to `Mexico' because the country + of Mexico has several time zones. + Use `_' to represent a space. + Omit `.' from abbreviations in names, e.g. prefer `St_Helena' + to `St._Helena'. + Do not change established names if they only marginally + violate the above rules. For example, don't change + the existing name `Rome' to `Milan' merely because + Milan's population has grown to be somewhat greater + than Rome's. + If a name is changed, put its old spelling in the `backward' file. + +The file `zone.tab' lists the geographical locations used to name +time zone rule files. It is intended to be an exhaustive list +of canonical names for geographic regions. + +Older versions of this package used a different naming scheme, +and these older names are still supported. +See the file `backward' for most of these older names +(e.g. `US/Eastern' instead of `America/New_York'). +The other old-fashioned names still supported are +`WET', `CET', `MET', `EET' (see the file `europe'), +and `Factory' (see the file `factory'). + + +----- Time zone abbreviations ----- + +When this package is installed, it generates time zone abbreviations +like `EST' to be compatible with human tradition and POSIX. +Here are the general rules used for choosing time zone abbreviations, +in decreasing order of importance: + + Use abbreviations that consist of three or more ASCII letters. + Previous editions of this database also used characters like + ' ' and '?', but these characters have a special meaning to + the shell and cause commands like + set `date` + to have unexpected effects. + Previous editions of this rule required upper-case letters, + but the Congressman who introduced Chamorro Standard Time + preferred "ChST", so the rule has been relaxed. + + This rule guarantees that all abbreviations could have + been specified by a POSIX TZ string. POSIX + requires at least three characters for an + abbreviation. POSIX through 2000 says that an abbreviation + cannot start with ':', and cannot contain ',', '-', + '+', NUL, or a digit. POSIX from 2001 on changes this + rule to say that an abbreviation can contain only '-', '+', + and alphanumeric characters from the portable character set + in the current locale. To be portable to both sets of + rules, an abbreviation must therefore use only ASCII + letters. + + Use abbreviations that are in common use among English-speakers, + e.g. `EST' for Eastern Standard Time in North America. + We assume that applications translate them to other languages + as part of the normal localization process; for example, + a French application might translate `EST' to `HNE'. + + For zones whose times are taken from a city's longitude, use the + traditional xMT notation, e.g. `PMT' for Paris Mean Time. + The only name like this in current use is `GMT'. + + If there is no common English abbreviation, abbreviate the English + translation of the usual phrase used by native speakers. + If this is not available or is a phrase mentioning the country + (e.g. ``Cape Verde Time''), then: + + When a country has a single or principal time zone region, + append `T' to the country's ISO code, e.g. `CVT' for + Cape Verde Time. For summer time append `ST'; + for double summer time append `DST'; etc. + When a country has multiple time zones, take the first three + letters of an English place name identifying each zone + and then append `T', `ST', etc. as before; + e.g. `VLAST' for VLAdivostok Summer Time. + + Use UTC (with time zone abbreviation "zzz") for locations while + uninhabited. The "zzz" mnemonic is that these locations are, + in some sense, asleep. + +Application writers should note that these abbreviations are ambiguous +in practice: e.g. `EST' has a different meaning in Australia than +it does in the United States. In new applications, it's often better +to use numeric UTC offsets like `-0500' instead of time zone +abbreviations like `EST'; this avoids the ambiguity. + + +----- Calendrical issues ----- + +Calendrical issues are a bit out of scope for a time zone database, +but they indicate the sort of problems that we would run into if we +extended the time zone database further into the past. An excellent +resource in this area is Edward M. Reingold and Nachum Dershowitz, + +Calendrical Calculations: The Millennium Edition +, Cambridge University Press (2001). Other information and +sources are given below. They sometimes disagree. + + +France + +Gregorian calendar adopted 1582-12-20. +French Revolutionary calendar used 1793-11-24 through 1805-12-31, +and (in Paris only) 1871-05-06 through 1871-05-23. + + +Russia + +From Chris Carrier (1996-12-02): +On 1929-10-01 the Soviet Union instituted an ``Eternal Calendar'' +with 30-day months plus 5 holidays, with a 5-day week. +On 1931-12-01 it changed to a 6-day week; in 1934 it reverted to the +Gregorian calendar while retaining the 6-day week; on 1940-06-27 it +reverted to the 7-day week. With the 6-day week the usual days +off were the 6th, 12th, 18th, 24th and 30th of the month. +(Source: Evitiar Zerubavel, _The Seven Day Circle_) + + +Mark Brader reported a similar story in "The Book of Calendars", edited +by Frank Parise (1982, Facts on File, ISBN 0-8719-6467-8), page 377. But: + +From: Petteri Sulonen (via Usenet) +Date: 14 Jan 1999 00:00:00 GMT +... + +If your source is correct, how come documents between 1929 -- 1940 were +still dated using the conventional, Gregorian calendar? + +I can post a scan of a document dated December 1, 1934, signed by +Yenukidze, the secretary, on behalf of Kalinin, the President of the +Executive Committee of the Supreme Soviet, if you like. + + + +Sweden (and Finland) + +From: Mark Brader + +Subject: Re: Gregorian reform -- a part of locale? + +Date: 1996-07-06 + +In 1700, Denmark made the transition from Julian to Gregorian. Sweden +decided to *start* a transition in 1700 as well, but rather than have one of +those unsightly calendar gaps :-), they simply decreed that the next leap +year after 1696 would be in 1744 -- putting the whole country on a calendar +different from both Julian and Gregorian for a period of 40 years. + +However, in 1704 something went wrong and the plan was not carried through; +they did, after all, have a leap year that year. And one in 1708. In 1712 +they gave it up and went back to Julian, putting 30 days in February that +year!... + +Then in 1753, Sweden made the transition to Gregorian in the usual manner, +getting there only 13 years behind the original schedule. + +(A previous posting of this story was challenged, and Swedish readers +produced the following references to support it: "Tiderakning och historia" +by Natanael Beckman (1924) and "Tid, en bok om tiderakning och +kalendervasen" by Lars-Olof Lode'n (no date was given).) + + +Grotefend's data + +From: "Michael Palmer" [with one obvious typo fixed] +Subject: Re: Gregorian Calendar (was Re: Another FHC related question +Newsgroups: soc.genealogy.german +Date: Tue, 9 Feb 1999 02:32:48 -800 +... + +The following is a(n incomplete) listing, arranged chronologically, of +European states, with the date they converted from the Julian to the +Gregorian calendar: + +04/15 Oct 1582 - Italy (with exceptions), Spain, Portugal, Poland (Roman + Catholics and Danzig only) +09/20 Dec 1582 - France, Lorraine + +21 Dec 1582/ + 01 Jan 1583 - Holland, Brabant, Flanders, Hennegau +10/21 Feb 1583 - bishopric of Liege (L"uttich) +13/24 Feb 1583 - bishopric of Augsburg +04/15 Oct 1583 - electorate of Trier +05/16 Oct 1583 - Bavaria, bishoprics of Freising, Eichstedt, Regensburg, + Salzburg, Brixen +13/24 Oct 1583 - Austrian Oberelsass and Breisgau +20/31 Oct 1583 - bishopric of Basel +02/13 Nov 1583 - duchy of J"ulich-Berg +02/13 Nov 1583 - electorate and city of K"oln +04/15 Nov 1583 - bishopric of W"urzburg +11/22 Nov 1583 - electorate of Mainz +16/27 Nov 1583 - bishopric of Strassburg and the margraviate of Baden +17/28 Nov 1583 - bishopric of M"unster and duchy of Cleve +14/25 Dec 1583 - Steiermark + +06/17 Jan 1584 - Austria and Bohemia +11/22 Jan 1584 - Luzern, Uri, Schwyz, Zug, Freiburg, Solothurn +12/23 Jan 1584 - Silesia and the Lausitz +22 Jan/ + 02 Feb 1584 - Hungary (legally on 21 Oct 1587) + Jun 1584 - Unterwalden +01/12 Jul 1584 - duchy of Westfalen + +16/27 Jun 1585 - bishopric of Paderborn + +14/25 Dec 1590 - Transylvania + +22 Aug/ + 02 Sep 1612 - duchy of Prussia + +13/24 Dec 1614 - Pfalz-Neuburg + + 1617 - duchy of Kurland (reverted to the Julian calendar in + 1796) + + 1624 - bishopric of Osnabr"uck + + 1630 - bishopric of Minden + +15/26 Mar 1631 - bishopric of Hildesheim + + 1655 - Kanton Wallis + +05/16 Feb 1682 - city of Strassburg + +18 Feb/ + 01 Mar 1700 - Protestant Germany (including Swedish possessions in + Germany), Denmark, Norway +30 Jun/ + 12 Jul 1700 - Gelderland, Zutphen +10 Nov/ + 12 Dec 1700 - Utrecht, Overijssel + +31 Dec 1700/ + 12 Jan 1701 - Friesland, Groningen, Z"urich, Bern, Basel, Geneva, + Turgau, and Schaffhausen + + 1724 - Glarus, Appenzell, and the city of St. Gallen + +01 Jan 1750 - Pisa and Florence + +02/14 Sep 1752 - Great Britain + +17 Feb/ + 01 Mar 1753 - Sweden + +1760-1812 - Graub"unden + +The Russian empire (including Finland and the Baltic states) did not +convert to the Gregorian calendar until the Soviet revolution of 1917. + +Source: H. Grotefend, _Taschenbuch der Zeitrechnung des deutschen +Mittelalters und der Neuzeit_, herausgegeben von Dr. O. Grotefend +(Hannover: Hahnsche Buchhandlung, 1941), pp. 26-28. + + +----- Time and time zones on Mars ----- + +Some people have adjusted their work schedules to fit Mars time. +Dozens of special Mars watches were built for Jet Propulsion +Laboratory workers who kept Mars time during the Mars Exploration +Rovers mission (2004). These timepieces look like normal Seikos and +Citizens but use Mars seconds rather than terrestrial seconds. + +A Mars solar day is called a "sol" and has a mean period equal to +about 24 hours 39 minutes 35.244 seconds in terrestrial time. It is +divided into a conventional 24-hour clock, so each Mars second equals +about 1.02749125 terrestrial seconds. + +The prime meridian of Mars goes through the center of the crater +Airy-0, named in honor of the British astronomer who built the +Greenwich telescope that defines Earth's prime meridian. Mean solar +time on the Mars prime meridian is called Mars Coordinated Time (MTC). + +Each landed mission on Mars has adopted a different reference for +solar time keeping, so there is no real standard for Mars time zones. +For example, the Mars Exploration Rover project (2004) defined two +time zones "Local Solar Time A" and "Local Solar Time B" for its two +missions, each zone designed so that its time equals local true solar +time at approximately the middle of the nominal mission. Such a "time +zone" is not particularly suited for any application other than the +mission itself. + +Many calendars have been proposed for Mars, but none have achieved +wide acceptance. Astronomers often use Mars Sol Date (MSD) which is a +sequential count of Mars solar days elapsed since about 1873-12-29 +12:00 GMT. + +The tz database does not currently support Mars time, but it is +documented here in the hopes that support will be added eventually. + +Sources: + +Michael Allison and Robert Schmunk, +"Technical Notes on Mars Solar Time as Adopted by the Mars24 Sunclock" + (2004-07-30). + +Jia-Rui Chong, "Workdays Fit for a Martian", Los Angeles Times +(2004-01-14), pp A1, A20-A21. diff --git a/commands/zoneinfo/africa b/commands/zoneinfo/africa new file mode 100644 index 000000000..141365cce --- /dev/null +++ b/commands/zoneinfo/africa @@ -0,0 +1,641 @@ +# @(#)africa 8.7 +# 
+
+# This data is by no means authoritative; if you think you know better,
+# go ahead and edit the file (and please send any changes to
+# tz@elsie.nci.nih.gov for general use in the future).
+
+# From Paul Eggert (2006-03-22):
+#
+# A good source for time zone historical data outside the U.S. is
+# Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),
+# San Diego: ACS Publications, Inc. (2003).
+#
+# Gwillim Law writes that a good source
+# for recent time zone data is the International Air Transport
+# Association's Standard Schedules Information Manual (IATA SSIM),
+# published semiannually.  Law sent in several helpful summaries
+# of the IATA's data after 1990.
+#
+# Except where otherwise noted, Shanks & Pottenger is the source for
+# entries through 1990, and IATA SSIM is the source for entries afterwards.
+#
+# Another source occasionally used is Edward W. Whitman, World Time Differences,
+# Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated), which
+# I found in the UCLA library.
+#
+# A reliable and entertaining source about time zones is
+# Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997).
+#
+# Previous editions of this database used WAT, CAT, SAT, and EAT
+# for +0:00 through +3:00, respectively,
+# but Mark R V Murray reports that
+# `SAST' is the official abbreviation for +2:00 in the country of South Africa,
+# `CAT' is commonly used for +2:00 in countries north of South Africa, and
+# `WAT' is probably the best name for +1:00, as the common phrase for
+# the area that includes Nigeria is ``West Africa''.
+# He has heard of ``Western Sahara Time'' for +0:00 but can find no reference.
+#
+# To make things confusing, `WAT' seems to have been used for -1:00 long ago;
+# I'd guess that this was because people needed _some_ name for -1:00,
+# and at the time, far west Africa was the only major land area in -1:00.
+# This usage is now obsolete, as the last use of -1:00 on the African
+# mainland seems to have been 1976 in Western Sahara.
+#
+# To summarize, the following abbreviations seem to have some currency:
+#	-1:00	WAT	West Africa Time (no longer used)
+#	 0:00	GMT	Greenwich Mean Time
+#	 2:00	CAT	Central Africa Time
+#	 2:00	SAST	South Africa Standard Time
+# and Murray suggests the following abbreviation:
+#	 1:00	WAT	West Africa Time
+# I realize that this leads to `WAT' being used for both -1:00 and 1:00
+# for times before 1976, but this is the best I can think of
+# until we get more information.
+#
+# I invented the following abbreviations; corrections are welcome!
+#	 2:00	WAST	West Africa Summer Time
+#	 2:30	BEAT	British East Africa Time (no longer used)
+#	 2:44:45 BEAUT	British East Africa Unified Time (no longer used)
+#	 3:00	CAST	Central Africa Summer Time (no longer used)
+#	 3:00	SAST	South Africa Summer Time (no longer used)
+#	 3:00	EAT	East Africa Time
+#	 4:00	EAST	East Africa Summer Time (no longer used)
+
+# Algeria
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Algeria	1916	only	-	Jun	14	23:00s	1:00	S
+Rule	Algeria	1916	1919	-	Oct	Sun>=1	23:00s	0	-
+Rule	Algeria	1917	only	-	Mar	24	23:00s	1:00	S
+Rule	Algeria	1918	only	-	Mar	 9	23:00s	1:00	S
+Rule	Algeria	1919	only	-	Mar	 1	23:00s	1:00	S
+Rule	Algeria	1920	only	-	Feb	14	23:00s	1:00	S
+Rule	Algeria	1920	only	-	Oct	23	23:00s	0	-
+Rule	Algeria	1921	only	-	Mar	14	23:00s	1:00	S
+Rule	Algeria	1921	only	-	Jun	21	23:00s	0	-
+Rule	Algeria	1939	only	-	Sep	11	23:00s	1:00	S
+Rule	Algeria	1939	only	-	Nov	19	 1:00	0	-
+Rule	Algeria	1944	1945	-	Apr	Mon>=1	 2:00	1:00	S
+Rule	Algeria	1944	only	-	Oct	 8	 2:00	0	-
+Rule	Algeria	1945	only	-	Sep	16	 1:00	0	-
+Rule	Algeria	1971	only	-	Apr	25	23:00s	1:00	S
+Rule	Algeria	1971	only	-	Sep	26	23:00s	0	-
+Rule	Algeria	1977	only	-	May	 6	 0:00	1:00	S
+Rule	Algeria	1977	only	-	Oct	21	 0:00	0	-
+Rule	Algeria	1978	only	-	Mar	24	 1:00	1:00	S
+Rule	Algeria	1978	only	-	Sep	22	 3:00	0	-
+Rule	Algeria	1980	only	-	Apr	25	 0:00	1:00	S
+Rule	Algeria	1980	only	-	Oct	31	 2:00	0	-
+# Shanks & Pottenger give 0:09:20 for Paris Mean Time; go with Howse's
+# more precise 0:09:21.
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Africa/Algiers	0:12:12 -	LMT	1891 Mar 15 0:01
+			0:09:21	-	PMT	1911 Mar 11    # Paris Mean Time
+			0:00	Algeria	WE%sT	1940 Feb 25 2:00
+			1:00	Algeria	CE%sT	1946 Oct  7
+			0:00	-	WET	1956 Jan 29
+			1:00	-	CET	1963 Apr 14
+			0:00	Algeria	WE%sT	1977 Oct 21
+			1:00	Algeria	CE%sT	1979 Oct 26
+			0:00	Algeria	WE%sT	1981 May
+			1:00	-	CET
+
+# Angola
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Africa/Luanda	0:52:56	-	LMT	1892
+			0:52:04	-	AOT	1911 May 26 # Angola Time
+			1:00	-	WAT
+
+# Benin
+# Whitman says they switched to 1:00 in 1946, not 1934;
+# go with Shanks & Pottenger.
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Africa/Porto-Novo	0:10:28	-	LMT	1912
+			0:00	-	GMT	1934 Feb 26
+			1:00	-	WAT
+
+# Botswana
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Africa/Gaborone	1:43:40 -	LMT	1885
+			2:00	-	CAT	1943 Sep 19 2:00
+			2:00	1:00	CAST	1944 Mar 19 2:00
+			2:00	-	CAT
+
+# Burkina Faso
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Africa/Ouagadougou	-0:06:04 -	LMT	1912
+			 0:00	-	GMT
+
+# Burundi
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Africa/Bujumbura	1:57:28	-	LMT	1890
+			2:00	-	CAT
+
+# Cameroon
+# Whitman says they switched to 1:00 in 1920; go with Shanks & Pottenger.
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Africa/Douala	0:38:48	-	LMT	1912
+			1:00	-	WAT
+
+# Cape Verde
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Atlantic/Cape_Verde -1:34:04 -	LMT	1907			# Praia
+			-2:00	-	CVT	1942 Sep
+			-2:00	1:00	CVST	1945 Oct 15
+			-2:00	-	CVT	1975 Nov 25 2:00
+			-1:00	-	CVT
+
+# Central African Republic
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Africa/Bangui	1:14:20	-	LMT	1912
+			1:00	-	WAT
+
+# Chad
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Africa/Ndjamena	1:00:12 -	LMT	1912
+			1:00	-	WAT	1979 Oct 14
+			1:00	1:00	WAST	1980 Mar  8
+			1:00	-	WAT
+
+# Comoros
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Indian/Comoro	2:53:04 -	LMT	1911 Jul   # Moroni, Gran Comoro
+			3:00	-	EAT
+
+# Democratic Republic of Congo
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Africa/Kinshasa	1:01:12 -	LMT	1897 Nov 9
+			1:00	-	WAT
+Zone Africa/Lubumbashi	1:49:52 -	LMT	1897 Nov 9
+			2:00	-	CAT
+
+# Republic of the Congo
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Africa/Brazzaville	1:01:08 -	LMT	1912
+			1:00	-	WAT
+
+# Cote D'Ivoire
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Africa/Abidjan	-0:16:08 -	LMT	1912
+			 0:00	-	GMT
+
+# Djibouti
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Africa/Djibouti	2:52:36 -	LMT	1911 Jul
+			3:00	-	EAT
+
+###############################################################################
+
+# Egypt
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Egypt	1940	only	-	Jul	15	0:00	1:00	S
+Rule	Egypt	1940	only	-	Oct	 1	0:00	0	-
+Rule	Egypt	1941	only	-	Apr	15	0:00	1:00	S
+Rule	Egypt	1941	only	-	Sep	16	0:00	0	-
+Rule	Egypt	1942	1944	-	Apr	 1	0:00	1:00	S
+Rule	Egypt	1942	only	-	Oct	27	0:00	0	-
+Rule	Egypt	1943	1945	-	Nov	 1	0:00	0	-
+Rule	Egypt	1945	only	-	Apr	16	0:00	1:00	S
+Rule	Egypt	1957	only	-	May	10	0:00	1:00	S
+Rule	Egypt	1957	1958	-	Oct	 1	0:00	0	-
+Rule	Egypt	1958	only	-	May	 1	0:00	1:00	S
+Rule	Egypt	1959	1981	-	May	 1	1:00	1:00	S
+Rule	Egypt	1959	1965	-	Sep	30	3:00	0	-
+Rule	Egypt	1966	1994	-	Oct	 1	3:00	0	-
+Rule	Egypt	1982	only	-	Jul	25	1:00	1:00	S
+Rule	Egypt	1983	only	-	Jul	12	1:00	1:00	S
+Rule	Egypt	1984	1988	-	May	 1	1:00	1:00	S
+Rule	Egypt	1989	only	-	May	 6	1:00	1:00	S
+Rule	Egypt	1990	1994	-	May	 1	1:00	1:00	S
+# IATA (after 1990) says transitions are at 0:00.
+# Go with IATA starting in 1995, except correct 1995 entry from 09-30 to 09-29.
+Rule	Egypt	1995	max	-	Apr	lastFri	 0:00s	1:00	S
+Rule	Egypt	1995	2005	-	Sep	lastThu	23:00s	0	-
+# From Steffen Thorsen (2006-09-19):
+# The Egyptian Gazette, issue 41,090 (2006-09-18), page 1, reports:
+# Egypt will turn back clocks by one hour at the midnight of Thursday
+# after observing the daylight saving time since May.
+# http://news.gom.com.eg/gazette/pdf/2006/09/18/01.pdf
+Rule	Egypt	2006	only	-	Sep	21	23:00s	0	-
+Rule	Egypt	2007	max	-	Sep	lastThu	23:00s	0	-
+
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Africa/Cairo	2:05:00 -	LMT	1900 Oct
+			2:00	Egypt	EE%sT
+
+# Equatorial Guinea
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Africa/Malabo	0:35:08 -	LMT	1912
+			0:00	-	GMT	1963 Dec 15
+			1:00	-	WAT
+
+# Eritrea
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Africa/Asmara	2:35:32 -	LMT	1870
+			2:35:32	-	AMT	1890	      # Asmara Mean Time
+			2:35:20	-	ADMT	1936 May 5    # Adis Dera MT
+			3:00	-	EAT
+
+# Ethiopia
+# From Paul Eggert (2006-03-22):
+# Shanks & Pottenger write that Ethiopia had six narrowly-spaced time zones
+# between 1870 and 1890, and that they merged to 38E50 (2:35:20) in 1890.
+# We'll guess that 38E50 is for Adis Dera.
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Africa/Addis_Ababa	2:34:48 -	LMT	1870
+			2:35:20	-	ADMT	1936 May 5    # Adis Dera MT
+			3:00	-	EAT
+
+# Gabon
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Africa/Libreville	0:37:48 -	LMT	1912
+			1:00	-	WAT
+
+# Gambia
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Africa/Banjul	-1:06:36 -	LMT	1912
+			-1:06:36 -	BMT	1935	# Banjul Mean Time
+			-1:00	-	WAT	1964
+			 0:00	-	GMT
+
+# Ghana
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Whitman says DST was observed from 1931 to ``the present'';
+# go with Shanks & Pottenger.
+Rule	Ghana	1936	1942	-	Sep	 1	0:00	0:20	GHST
+Rule	Ghana	1936	1942	-	Dec	31	0:00	0	GMT
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Africa/Accra	-0:00:52 -	LMT	1918
+			 0:00	Ghana	%s
+
+# Guinea
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Africa/Conakry	-0:54:52 -	LMT	1912
+			 0:00	-	GMT	1934 Feb 26
+			-1:00	-	WAT	1960
+			 0:00	-	GMT
+
+# Guinea-Bissau
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Africa/Bissau	-1:02:20 -	LMT	1911 May 26
+			-1:00	-	WAT	1975
+			 0:00	-	GMT
+
+# Kenya
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Africa/Nairobi	2:27:16	-	LMT	1928 Jul
+			3:00	-	EAT	1930
+			2:30	-	BEAT	1940
+			2:44:45	-	BEAUT	1960
+			3:00	-	EAT
+
+# Lesotho
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Africa/Maseru	1:50:00 -	LMT	1903 Mar
+			2:00	-	SAST	1943 Sep 19 2:00
+			2:00	1:00	SAST	1944 Mar 19 2:00
+			2:00	-	SAST
+
+# Liberia
+# From Paul Eggert (2006-03-22):
+# In 1972 Liberia was the last country to switch
+# from a UTC offset that was not a multiple of 15 or 20 minutes.
+# Howse reports that it was in honor of their president's birthday.
+# Shank & Pottenger report the date as May 1, whereas Howse reports Jan;
+# go with Shanks & Pottenger.
+# For Liberia before 1972, Shanks & Pottenger report -0:44, whereas Howse and
+# Whitman each report -0:44:30; go with the more precise figure.
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Africa/Monrovia	-0:43:08 -	LMT	1882
+			-0:43:08 -	MMT	1919 Mar # Monrovia Mean Time
+			-0:44:30 -	LRT	1972 May # Liberia Time
+			 0:00	-	GMT
+
+###############################################################################
+
+# Libya
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Libya	1951	only	-	Oct	14	2:00	1:00	S
+Rule	Libya	1952	only	-	Jan	 1	0:00	0	-
+Rule	Libya	1953	only	-	Oct	 9	2:00	1:00	S
+Rule	Libya	1954	only	-	Jan	 1	0:00	0	-
+Rule	Libya	1955	only	-	Sep	30	0:00	1:00	S
+Rule	Libya	1956	only	-	Jan	 1	0:00	0	-
+Rule	Libya	1982	1984	-	Apr	 1	0:00	1:00	S
+Rule	Libya	1982	1985	-	Oct	 1	0:00	0	-
+Rule	Libya	1985	only	-	Apr	 6	0:00	1:00	S
+Rule	Libya	1986	only	-	Apr	 4	0:00	1:00	S
+Rule	Libya	1986	only	-	Oct	 3	0:00	0	-
+Rule	Libya	1987	1989	-	Apr	 1	0:00	1:00	S
+Rule	Libya	1987	1989	-	Oct	 1	0:00	0	-
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Africa/Tripoli	0:52:44 -	LMT	1920
+			1:00	Libya	CE%sT	1959
+			2:00	-	EET	1982
+			1:00	Libya	CE%sT	1990 May  4
+# The following entries are from Shanks & Pottenger;
+# the IATA SSIM data contain some obvious errors.
+			2:00	-	EET	1996 Sep 30
+			1:00	-	CET	1997 Apr  4
+			1:00	1:00	CEST	1997 Oct  4
+			2:00	-	EET
+
+# Madagascar
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Indian/Antananarivo 3:10:04 -	LMT	1911 Jul
+			3:00	-	EAT	1954 Feb 27 23:00s
+			3:00	1:00	EAST	1954 May 29 23:00s
+			3:00	-	EAT
+
+# Malawi
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Africa/Blantyre	2:20:00 -	LMT	1903 Mar
+			2:00	-	CAT
+
+# Mali
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Africa/Bamako	-0:32:00 -	LMT	1912
+			 0:00	-	GMT	1934 Feb 26
+			-1:00	-	WAT	1960 Jun 20
+			 0:00	-	GMT
+
+# Mauritania
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Africa/Nouakchott	-1:03:48 -	LMT	1912
+			 0:00	-	GMT	1934 Feb 26
+			-1:00	-	WAT	1960 Nov 28
+			 0:00	-	GMT
+
+# Mauritius
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Indian/Mauritius	3:50:00 -	LMT	1907		# Port Louis
+			4:00	-	MUT	# Mauritius Time
+# Agalega Is, Rodriguez
+# no information; probably like Indian/Mauritius
+
+# Mayotte
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Indian/Mayotte	3:00:56 -	LMT	1911 Jul	# Mamoutzou
+			3:00	-	EAT
+
+# Morocco
+# See the `europe' file for Spanish Morocco (Africa/Ceuta).
+# RULE	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Morocco	1939	only	-	Sep	12	 0:00	1:00	S
+Rule	Morocco	1939	only	-	Nov	19	 0:00	0	-
+Rule	Morocco	1940	only	-	Feb	25	 0:00	1:00	S
+Rule	Morocco	1945	only	-	Nov	18	 0:00	0	-
+Rule	Morocco	1950	only	-	Jun	11	 0:00	1:00	S
+Rule	Morocco	1950	only	-	Oct	29	 0:00	0	-
+Rule	Morocco	1967	only	-	Jun	 3	12:00	1:00	S
+Rule	Morocco	1967	only	-	Oct	 1	 0:00	0	-
+Rule	Morocco	1974	only	-	Jun	24	 0:00	1:00	S
+Rule	Morocco	1974	only	-	Sep	 1	 0:00	0	-
+Rule	Morocco	1976	1977	-	May	 1	 0:00	1:00	S
+Rule	Morocco	1976	only	-	Aug	 1	 0:00	0	-
+Rule	Morocco	1977	only	-	Sep	28	 0:00	0	-
+Rule	Morocco	1978	only	-	Jun	 1	 0:00	1:00	S
+Rule	Morocco	1978	only	-	Aug	 4	 0:00	0	-
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Africa/Casablanca	-0:30:20 -	LMT	1913 Oct 26
+			 0:00	Morocco	WE%sT	1984 Mar 16
+			 1:00	-	CET	1986
+			 0:00	-	WET
+# Western Sahara
+Zone Africa/El_Aaiun	-0:52:48 -	LMT	1934 Jan
+			-1:00	-	WAT	1976 Apr 14
+			 0:00	-	WET
+
+# Mozambique
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Africa/Maputo	2:10:20 -	LMT	1903 Mar
+			2:00	-	CAT
+
+# Namibia
+# The 1994-04-03 transition is from Shanks & Pottenger.
+# Shanks & Pottenger report no DST after 1998-04; go with IATA.
+# RULE	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Namibia	1994	max	-	Sep	Sun>=1	2:00	1:00	S
+Rule	Namibia	1995	max	-	Apr	Sun>=1	2:00	0	-
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Africa/Windhoek	1:08:24 -	LMT	1892 Feb 8
+			1:30	-	SWAT	1903 Mar	# SW Africa Time
+			2:00	-	SAST	1942 Sep 20 2:00
+			2:00	1:00	SAST	1943 Mar 21 2:00
+			2:00	-	SAST	1990 Mar 21 # independence
+			2:00	-	CAT	1994 Apr  3
+			1:00	Namibia	WA%sT
+
+# Niger
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Africa/Niamey	 0:08:28 -	LMT	1912
+			-1:00	-	WAT	1934 Feb 26
+			 0:00	-	GMT	1960
+			 1:00	-	WAT
+
+# Nigeria
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Africa/Lagos	0:13:36 -	LMT	1919 Sep
+			1:00	-	WAT
+
+# Reunion
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Indian/Reunion	3:41:52 -	LMT	1911 Jun	# Saint-Denis
+			4:00	-	RET	# Reunion Time
+#
+# Scattered Islands (Iles Eparses) administered from Reunion are as follows.
+# The following information about them is taken from
+# Iles Eparses (www.outre-mer.gouv.fr/domtom/ile.htm, 1997-07-22, in French;
+# no longer available as of 1999-08-17).
+# We have no info about their time zone histories.
+#
+# Bassas da India - uninhabited
+# Europa Island - inhabited from 1905 to 1910 by two families
+# Glorioso Is - inhabited until at least 1958
+# Juan de Nova - uninhabited
+# Tromelin - inhabited until at least 1958
+
+# Rwanda
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Africa/Kigali	2:00:16 -	LMT	1935 Jun
+			2:00	-	CAT
+
+# St Helena
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Atlantic/St_Helena	-0:22:48 -	LMT	1890		# Jamestown
+			-0:22:48 -	JMT	1951	# Jamestown Mean Time
+			 0:00	-	GMT
+# The other parts of the St Helena territory are similar:
+#	Tristan da Cunha: on GMT, say Whitman and the CIA
+#	Ascension: on GMT, says usno1995 and the CIA
+#	Gough (scientific station since 1955; sealers wintered previously):
+#		on GMT, says the CIA
+#	Inaccessible, Nightingale: no information, but probably GMT
+
+# Sao Tome and Principe
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Africa/Sao_Tome	 0:26:56 -	LMT	1884
+			-0:36:32 -	LMT	1912	# Lisbon Mean Time
+			 0:00	-	GMT
+
+# Senegal
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Africa/Dakar	-1:09:44 -	LMT	1912
+			-1:00	-	WAT	1941 Jun
+			 0:00	-	GMT
+
+# Seychelles
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Indian/Mahe	3:41:48 -	LMT	1906 Jun	# Victoria
+			4:00	-	SCT	# Seychelles Time
+# From Paul Eggert (2001-05-30):
+# Aldabra, Farquhar, and Desroches, originally dependencies of the
+# Seychelles, were transferred to the British Indian Ocean Territory
+# in 1965 and returned to Seychelles control in 1976.  We don't know
+# whether this affected their time zone, so omit this for now.
+# Possibly the islands were uninhabited.
+
+# Sierra Leone
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Whitman gives Mar 31 - Aug 31 for 1931 on; go with Shanks & Pottenger.
+Rule	SL	1935	1942	-	Jun	 1	0:00	0:40	SLST
+Rule	SL	1935	1942	-	Oct	 1	0:00	0	WAT
+Rule	SL	1957	1962	-	Jun	 1	0:00	1:00	SLST
+Rule	SL	1957	1962	-	Sep	 1	0:00	0	GMT
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Africa/Freetown	-0:53:00 -	LMT	1882
+			-0:53:00 -	FMT	1913 Jun # Freetown Mean Time
+			-1:00	SL	%s	1957
+			 0:00	SL	%s
+
+# Somalia
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Africa/Mogadishu	3:01:28 -	LMT	1893 Nov
+			3:00	-	EAT	1931
+			2:30	-	BEAT	1957
+			3:00	-	EAT
+
+# South Africa
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	SA	1942	1943	-	Sep	Sun>=15	2:00	1:00	-
+Rule	SA	1943	1944	-	Mar	Sun>=15	2:00	0	-
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Africa/Johannesburg 1:52:00 -	LMT	1892 Feb 8
+			1:30	-	SAST	1903 Mar
+			2:00	SA	SAST
+# Marion and Prince Edward Is
+# scientific station since 1947
+# no information
+
+# Sudan
+#
+# From 
+# Sudan News Agency (2000-01-13)
+# , also reported by Michael De Beukelaer-Dossche via Steffen Thorsen:
+# Clocks will be moved ahead for 60 minutes all over the Sudan as of noon
+# Saturday....  This was announced Thursday by Caretaker State Minister for
+# Manpower Abdul-Rahman Nur-Eddin.
+#
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Sudan	1970	only	-	May	 1	0:00	1:00	S
+Rule	Sudan	1970	1985	-	Oct	15	0:00	0	-
+Rule	Sudan	1971	only	-	Apr	30	0:00	1:00	S
+Rule	Sudan	1972	1985	-	Apr	lastSun	0:00	1:00	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Africa/Khartoum	2:10:08 -	LMT	1931
+			2:00	Sudan	CA%sT	2000 Jan 15 12:00
+			3:00	-	EAT
+
+# Swaziland
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Africa/Mbabane	2:04:24 -	LMT	1903 Mar
+			2:00	-	SAST
+
+# Tanzania
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Africa/Dar_es_Salaam 2:37:08 -	LMT	1931
+			3:00	-	EAT	1948
+			2:44:45	-	BEAUT	1961
+			3:00	-	EAT
+
+# Togo
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Africa/Lome	0:04:52 -	LMT	1893
+			0:00	-	GMT
+
+# Tunisia
+
+# From Gwillim Law (2005-04-30):
+# My correspondent, Risto Nykanen, has alerted me to another adoption of DST,
+# this time in Tunisia.  According to Yahoo France News
+# , in a story attributed to AP
+# and dated 2005-04-26, "Tunisia has decided to advance its official time by
+# one hour, starting on Sunday, May 1.  Henceforth, Tunisian time will be
+# UTC+2 instead of UTC+1.  The change will take place at 23:00 UTC next
+# Saturday."  (My translation)
+#
+# From Oscar van Vlijmen (2005-05-02):
+# LaPresse, the first national daily newspaper ...
+# 
+# ... DST for 2005: on: Sun May 1 0h standard time, off: Fri Sept. 30,
+# 1h standard time.
+#
+# From Atef Loukil (2006-03-28):
+# The daylight saving time will be the same each year:
+# Beginning      : the last Sunday of March at 02:00
+# Ending         : the last Sunday of October at 03:00 ...
+# http://www.tap.info.tn/en/index.php?option=com_content&task=view&id=1188&Itemid=50
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Tunisia	1939	only	-	Apr	15	23:00s	1:00	S
+Rule	Tunisia	1939	only	-	Nov	18	23:00s	0	-
+Rule	Tunisia	1940	only	-	Feb	25	23:00s	1:00	S
+Rule	Tunisia	1941	only	-	Oct	 6	 0:00	0	-
+Rule	Tunisia	1942	only	-	Mar	 9	 0:00	1:00	S
+Rule	Tunisia	1942	only	-	Nov	 2	 3:00	0	-
+Rule	Tunisia	1943	only	-	Mar	29	 2:00	1:00	S
+Rule	Tunisia	1943	only	-	Apr	17	 2:00	0	-
+Rule	Tunisia	1943	only	-	Apr	25	 2:00	1:00	S
+Rule	Tunisia	1943	only	-	Oct	 4	 2:00	0	-
+Rule	Tunisia	1944	1945	-	Apr	Mon>=1	 2:00	1:00	S
+Rule	Tunisia	1944	only	-	Oct	 8	 0:00	0	-
+Rule	Tunisia	1945	only	-	Sep	16	 0:00	0	-
+Rule	Tunisia	1977	only	-	Apr	30	 0:00s	1:00	S
+Rule	Tunisia	1977	only	-	Sep	24	 0:00s	0	-
+Rule	Tunisia	1978	only	-	May	 1	 0:00s	1:00	S
+Rule	Tunisia	1978	only	-	Oct	 1	 0:00s	0	-
+Rule	Tunisia	1988	only	-	Jun	 1	 0:00s	1:00	S
+Rule	Tunisia	1988	1990	-	Sep	lastSun	 0:00s	0	-
+Rule	Tunisia	1989	only	-	Mar	26	 0:00s	1:00	S
+Rule	Tunisia	1990	only	-	May	 1	 0:00s	1:00	S
+Rule	Tunisia	2005	only	-	May	 1	 0:00s	1:00	S
+Rule	Tunisia	2005	only	-	Sep	30	 1:00s	0	-
+Rule	Tunisia	2006	max	-	Mar	lastSun	 2:00s	1:00	S
+Rule	Tunisia	2006	max	-	Oct	lastSun	 2:00s	0	-
+# Shanks & Pottenger give 0:09:20 for Paris Mean Time; go with Howse's
+# more precise 0:09:21.
+# Shanks & Pottenger say the 1911 switch was on Mar 9; go with Howse's Mar 11.
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Africa/Tunis	0:40:44 -	LMT	1881 May 12
+			0:09:21	-	PMT	1911 Mar 11    # Paris Mean Time
+			1:00	Tunisia	CE%sT
+
+# Uganda
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Africa/Kampala	2:09:40 -	LMT	1928 Jul
+			3:00	-	EAT	1930
+			2:30	-	BEAT	1948
+			2:44:45	-	BEAUT	1957
+			3:00	-	EAT
+
+# Zambia
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Africa/Lusaka	1:53:08 -	LMT	1903 Mar
+			2:00	-	CAT
+
+# Zimbabwe
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Africa/Harare	2:04:12 -	LMT	1903 Mar
+			2:00	-	CAT
diff --git a/commands/zoneinfo/antarctica b/commands/zoneinfo/antarctica
new file mode 100644
index 000000000..2584ae4f1
--- /dev/null
+++ b/commands/zoneinfo/antarctica
@@ -0,0 +1,325 @@
+# @(#)antarctica	8.3
+# 
+
+# From Paul Eggert (1999-11-15):
+# To keep things manageable, we list only locations occupied year-round; see
+# 
+# COMNAP - Stations and Bases
+# 
+# and
+# 
+# Summary of the Peri-Antarctic Islands (1998-07-23)
+# 
+# for information.
+# Unless otherwise specified, we have no time zone information.
+#
+# Except for the French entries,
+# I made up all time zone abbreviations mentioned here; corrections welcome!
+# FORMAT is `zzz' and GMTOFF is 0 for locations while uninhabited.
+
+# These rules are stolen from the `europe' file.
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	RussAQ	1981	1984	-	Apr	 1	 0:00	1:00	S
+Rule	RussAQ	1981	1983	-	Oct	 1	 0:00	0	-
+Rule	RussAQ	1984	1991	-	Sep	lastSun	 2:00s	0	-
+Rule	RussAQ	1985	1991	-	Mar	lastSun	 2:00s	1:00	S
+Rule	RussAQ	1992	only	-	Mar	lastSat	 23:00	1:00	S
+Rule	RussAQ	1992	only	-	Sep	lastSat	 23:00	0	-
+Rule	RussAQ	1993	max	-	Mar	lastSun	 2:00s	1:00	S
+Rule	RussAQ	1993	1995	-	Sep	lastSun	 2:00s	0	-
+Rule	RussAQ	1996	max	-	Oct	lastSun	 2:00s	0	-
+
+# These rules are stolen from the `southamerica' file.
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	ArgAQ	1964	1966	-	Mar	 1	0:00	0	-
+Rule	ArgAQ	1964	1966	-	Oct	15	0:00	1:00	S
+Rule	ArgAQ	1967	only	-	Apr	 2	0:00	0	-
+Rule	ArgAQ	1967	1968	-	Oct	Sun>=1	0:00	1:00	S
+Rule	ArgAQ	1968	1969	-	Apr	Sun>=1	0:00	0	-
+Rule	ArgAQ	1974	only	-	Jan	23	0:00	1:00	S
+Rule	ArgAQ	1974	only	-	May	 1	0:00	0	-
+Rule	ChileAQ	1972	1986	-	Mar	Sun>=9	3:00u	0	-
+Rule	ChileAQ	1974	1987	-	Oct	Sun>=9	4:00u	1:00	S
+Rule	ChileAQ	1987	only	-	Apr	12	3:00u	0	-
+Rule	ChileAQ	1988	1989	-	Mar	Sun>=9	3:00u	0	-
+Rule	ChileAQ	1988	only	-	Oct	Sun>=1	4:00u	1:00	S
+Rule	ChileAQ	1989	only	-	Oct	Sun>=9	4:00u	1:00	S
+Rule	ChileAQ	1990	only	-	Mar	18	3:00u	0	-
+Rule	ChileAQ	1990	only	-	Sep	16	4:00u	1:00	S
+Rule	ChileAQ	1991	1996	-	Mar	Sun>=9	3:00u	0	-
+Rule	ChileAQ	1991	1997	-	Oct	Sun>=9	4:00u	1:00	S
+Rule	ChileAQ	1997	only	-	Mar	30	3:00u	0	-
+Rule	ChileAQ	1998	only	-	Mar	Sun>=9	3:00u	0	-
+Rule	ChileAQ	1998	only	-	Sep	27	4:00u	1:00	S
+Rule	ChileAQ	1999	only	-	Apr	 4	3:00u	0	-
+Rule	ChileAQ	1999	max	-	Oct	Sun>=9	4:00u	1:00	S
+Rule	ChileAQ	2000	max	-	Mar	Sun>=9	3:00u	0	-
+
+
+# Argentina - year-round bases
+# Belgrano II, Confin Coast, -770227-0343737, since 1972-02-05
+# Esperanza, San Martin Land, -6323-05659, since 1952-12-17
+# Jubany, Potter Peninsula, King George Island, -6414-0602320, since 1982-01
+# Marambio, Seymour I, -6414-05637, since 1969-10-29
+# Orcadas, Laurie I, -6016-04444, since 1904-02-22
+# San Martin, Debenham I, -6807-06708, since 1951-03-21
+#	(except 1960-03 / 1976-03-21)
+
+# Australia - territories
+# Heard Island, McDonald Islands (uninhabited)
+#	previously sealers and scientific personnel wintered
+#	
+#	Margaret Turner reports
+#	 (1999-09-30) that they're UTC+5, with no DST;
+#	presumably this is when they have visitors.
+#
+# year-round bases
+# Casey, Bailey Peninsula, -6617+11032, since 1969
+# Davis, Vestfold Hills, -6835+07759, since 1957-01-13
+#	(except 1964-11 - 1969-02)
+# Mawson, Holme Bay, -6736+06253, since 1954-02-13
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Antarctica/Casey	0	-	zzz	1969
+			8:00	-	WST	# Western (Aus) Standard Time
+Zone Antarctica/Davis	0	-	zzz	1957 Jan 13
+			7:00	-	DAVT	1964 Nov # Davis Time
+			0	-	zzz	1969 Feb
+			7:00	-	DAVT
+Zone Antarctica/Mawson	0	-	zzz	1954 Feb 13
+			6:00	-	MAWT	# Mawson Time
+# References:
+# 
+# Casey Weather (1998-02-26)
+# 
+# 
+# Davis Station, Antarctica (1998-02-26)
+# 
+# 
+# Mawson Station, Antarctica (1998-02-25)
+# 
+
+# Brazil - year-round base
+# Comandante Ferraz, King George Island, -6205+05824, since 1983/4
+
+# Chile - year-round bases and towns
+# Escudero, South Shetland Is, -621157-0585735, since 1994
+# Presidente Eduadro Frei, King George Island, -6214-05848, since 1969-03-07
+# General Bernardo O'Higgins, Antarctic Peninsula, -6319-05704, since 1948-02
+# Capitan Arturo Prat, -6230-05941
+# Villa Las Estrellas (a town), around the Frei base, since 1984-04-09
+# These locations have always used Santiago time; use TZ='America/Santiago'.
+
+# China - year-round bases
+# Great Wall, King George Island, -6213-05858, since 1985-02-20
+# Zhongshan, Larsemann Hills, Prydz Bay, -6922+07623, since 1989-02-26
+
+# France - year-round bases
+#
+# From Antoine Leca (1997-01-20):
+# Time data are from Nicole Pailleau at the IFRTP
+# (French Institute for Polar Research and Technology).
+# She confirms that French Southern Territories and Terre Adelie bases
+# don't observe daylight saving time, even if Terre Adelie supplies came
+# from Tasmania.
+#
+# French Southern Territories with year-round inhabitants
+#
+# Martin-de-Vivies Base, Amsterdam Island, -374105+0773155, since 1950
+# Alfred-Faure Base, Crozet Islands, -462551+0515152, since 1964
+# Port-aux-Francais, Kerguelen Islands, -492110+0701303, since 1951;
+#	whaling & sealing station operated 1908/1914, 1920/1929, and 1951/1956
+#
+# St Paul Island - near Amsterdam, uninhabited
+#	fishing stations operated variously 1819/1931
+#
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Indian/Kerguelen	0	-	zzz	1950	# Port-aux-Francais
+			5:00	-	TFT	# ISO code TF Time
+#
+# year-round base in the main continent
+# Dumont-d'Urville, Ile des Petrels, -6640+14001, since 1956-11
+#
+# Another base at Port-Martin, 50km east, began operation in 1947.
+# It was destroyed by fire on 1952-01-14.
+#
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Antarctica/DumontDUrville 0 -	zzz	1947
+			10:00	-	PMT	1952 Jan 14 # Port-Martin Time
+			0	-	zzz	1956 Nov
+			10:00	-	DDUT	# Dumont-d'Urville Time
+# Reference:
+# 
+# Dumont d'Urville Station (2005-12-05)
+# 
+
+# Germany - year-round base
+# Georg von Neumayer, -7039-00815
+
+# India - year-round base
+# Dakshin Gangotri, -7005+01200
+
+# Japan - year-round bases
+# Dome Fuji, -7719+03942
+# Syowa, -690022+0393524
+#
+# From Hideyuki Suzuki (1999-02-06):
+# In all Japanese stations, +0300 is used as the standard time.
+#
+# Syowa station, which is the first antarctic station of Japan,
+# was established on 1957-01-29.  Since Syowa station is still the main
+# station of Japan, it's appropriate for the principal location.
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Antarctica/Syowa	0	-	zzz	1957 Jan 29
+			3:00	-	SYOT	# Syowa Time
+# See:
+# 
+# NIPR Antarctic Research Activities (1999-08-17)
+# 
+
+# S Korea - year-round base
+# King Sejong, King George Island, -6213-05847, since 1988
+
+# New Zealand - claims
+# Balleny Islands (never inhabited)
+# Scott Island (never inhabited)
+#
+# year-round base
+# Scott, Ross Island, since 1957-01, is like Antarctica/McMurdo.
+#
+# These rules for New Zealand are stolen from the `australasia' file.
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	NZAQ	1974	only	-	Nov	 3	2:00s	1:00	D
+Rule	NZAQ	1975	1988	-	Oct	lastSun	2:00s	1:00	D
+Rule	NZAQ	1989	only	-	Oct	 8	2:00s	1:00	D
+Rule	NZAQ	1990	max	-	Oct	Sun>=1	2:00s	1:00	D
+Rule	NZAQ	1975	only	-	Feb	23	2:00s	0	S
+Rule	NZAQ	1976	1989	-	Mar	Sun>=1	2:00s	0	S
+Rule	NZAQ	1990	max	-	Mar	Sun>=15	2:00s	0	S
+
+# Norway - territories
+# Bouvet (never inhabited)
+#
+# claims
+# Peter I Island (never inhabited)
+
+# Poland - year-round base
+# Arctowski, King George Island, -620945-0582745, since 1977
+
+# Russia - year-round bases
+# Bellingshausen, King George Island, -621159-0585337, since 1968-02-22
+# Mirny, Davis coast, -6633+09301, since 1956-02
+# Molodezhnaya, Alasheyev Bay, -6740+04551,
+#	year-round from 1962-02 to 1999-07-01
+# Novolazarevskaya, Queen Maud Land, -7046+01150,
+#	year-round from 1960/61 to 1992
+
+# Vostok, since 1957-12-16, temporarily closed 1994-02/1994-11
+# 
+# From Craig Mundell (1994-12-15):
+# Vostok, which is one of the Russian stations, is set on the same
+# time as Moscow, Russia.
+#
+# From Lee Hotz (2001-03-08):
+# I queried the folks at Columbia who spent the summer at Vostok and this is
+# what they had to say about time there:
+# ``in the US Camp (East Camp) we have been on New Zealand (McMurdo)
+# time, which is 12 hours ahead of GMT. The Russian Station Vostok was
+# 6 hours behind that (although only 2 miles away, i.e. 6 hours ahead
+# of GMT). This is a time zone I think two hours east of Moscow. The
+# natural time zone is in between the two: 8 hours ahead of GMT.''
+#
+# From Paul Eggert (2001-05-04):
+# This seems to be hopelessly confusing, so I asked Lee Hotz about it
+# in person.  He said that some Antartic locations set their local
+# time so that noon is the warmest part of the day, and that this
+# changes during the year and does not necessarily correspond to mean
+# solar noon.  So the Vostok time might have been whatever the clocks
+# happened to be during their visit.  So we still don't really know what time
+# it is at Vostok.  But we'll guess UTC+6.
+#
+Zone Antarctica/Vostok	0	-	zzz	1957 Dec 16
+			6:00	-	VOST	# Vostok time
+
+# S Africa - year-round bases
+# Marion Island, -4653+03752
+# Sanae, -7141-00250
+
+# UK
+#
+# British Antarctic Territories (BAT) claims
+# South Orkney Islands
+#	scientific station from 1903
+#	whaling station at Signy I 1920/1926
+# South Shetland Islands
+#
+# year-round bases
+# Bird Island, South Georgia, -5400-03803, since 1983
+# Deception Island, -6259-06034, whaling station 1912/1931,
+#	scientific station 1943/1967,
+#	previously sealers and a scientific expedition wintered by accident,
+#	and a garrison was deployed briefly
+# Halley, Coates Land, -7535-02604, since 1956-01-06
+#	Halley is on a moving ice shelf and is periodically relocated
+#	so that it is never more than 10km from its nominal location.
+# Rothera, Adelaide Island, -6734-6808, since 1976-12-01
+#
+# From Paul Eggert (2002-10-22)
+#  says Rothera is -03 all year.
+#
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Antarctica/Rothera	0	-	zzz	1976 Dec  1
+			-3:00	-	ROTT	# Rothera time
+
+# Uruguay - year round base
+# Artigas, King George Island, -621104-0585107
+
+# USA - year-round bases
+#
+# Palmer, Anvers Island, since 1965 (moved 2 miles in 1968)
+#
+# From Ethan Dicks (1996-10-06):
+# It keeps the same time as Punta Arenas, Chile, because, just like us
+# and the South Pole, that's the other end of their supply line....
+# I verified with someone who was there that since 1980,
+# Palmer has followed Chile.  Prior to that, before the Falklands War,
+# Palmer used to be supplied from Argentina.
+#
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Antarctica/Palmer	0	-	zzz	1965
+			-4:00	ArgAQ	AR%sT	1969 Oct 5
+			-3:00	ArgAQ	AR%sT	1982 May
+			-4:00	ChileAQ	CL%sT
+#
+#
+# McMurdo, Ross Island, since 1955-12
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Antarctica/McMurdo	0	-	zzz	1956
+			12:00	NZAQ	NZ%sT
+#
+# Amundsen-Scott, South Pole, continuously occupied since 1956-11-20
+#
+# From Paul Eggert (1996-09-03):
+# Normally it wouldn't have a separate entry, since it's like the
+# larger Antarctica/McMurdo since 1970, but it's too famous to omit.
+#
+# From Chris Carrier (1996-06-27):
+# Siple, the first commander of the South Pole station,
+# stated that he would have liked to have kept GMT at the station,
+# but that he found it more convenient to keep GMT+12
+# as supplies for the station were coming from McMurdo Sound,
+# which was on GMT+12 because New Zealand was on GMT+12 all year
+# at that time (1957).  (Source: Siple's book 90 degrees SOUTH.)
+#
+# From Susan Smith
+# http://www.cybertours.com/whs/pole10.html
+# (1995-11-13 16:24:56 +1300, no longer available):
+# We use the same time as McMurdo does.
+# And they use the same time as Christchurch, NZ does....
+# One last quirk about South Pole time.
+# All the electric clocks are usually wrong.
+# Something about the generators running at 60.1hertz or something
+# makes all of the clocks run fast.  So every couple of days,
+# we have to go around and set them back 5 minutes or so.
+# Maybe if we let them run fast all of the time, we'd get to leave here sooner!!
+#
+Link	Antarctica/McMurdo	Antarctica/South_Pole
diff --git a/commands/zoneinfo/asctime.c b/commands/zoneinfo/asctime.c
new file mode 100644
index 000000000..f5d8f533e
--- /dev/null
+++ b/commands/zoneinfo/asctime.c
@@ -0,0 +1,129 @@
+/*
+** This file is in the public domain, so clarified as of
+** 1996-06-05 by Arthur David Olson.
+*/
+
+/*
+** Avoid the temptation to punt entirely to strftime;
+** the output of strftime is supposed to be locale specific
+** whereas the output of asctime is supposed to be constant.
+*/
+
+#ifndef lint
+#ifndef NOID
+static char	elsieid[] = "@(#)asctime.c	7.32";
+#endif /* !defined NOID */
+#endif /* !defined lint */
+
+/*LINTLIBRARY*/
+
+#include "private.h"
+#include "tzfile.h"
+
+/*
+** Some systems only handle "%.2d"; others only handle "%02d";
+** "%02.2d" makes (most) everybody happy.
+** At least some versions of gcc warn about the %02.2d; ignore the warning.
+*/
+/*
+** All years associated with 32-bit time_t values are exactly four digits long;
+** some years associated with 64-bit time_t values are not.
+** Vintage programs are coded for years that are always four digits long
+** and may assume that the newline always lands in the same place.
+** For years that are less than four digits, we pad the output with
+** leading zeroes to get the newline in the traditional place.
+** The -4 ensures that we get four characters of output even if
+** we call a strftime variant that produces fewer characters for some years.
+** The ISO C 1999 and POSIX 1003.1-2004 standards prohibit padding the year,
+** but many implementations pad anyway; most likely the standards are buggy.
+*/
+#define ASCTIME_FMT	"%.3s %.3s%3d %02.2d:%02.2d:%02.2d %-4s\n"
+/*
+** For years that are more than four digits we put extra spaces before the year
+** so that code trying to overwrite the newline won't end up overwriting
+** a digit within a year and truncating the year (operating on the assumption
+** that no output is better than wrong output).
+*/
+#define ASCTIME_FMT_B	"%.3s %.3s%3d %02.2d:%02.2d:%02.2d     %s\n"
+
+#define STD_ASCTIME_BUF_SIZE	26
+/*
+** Big enough for something such as
+** ??? ???-2147483648 -2147483648:-2147483648:-2147483648     -2147483648\n
+** (two three-character abbreviations, five strings denoting integers,
+** seven explicit spaces, two explicit colons, a newline,
+** and a trailing ASCII nul).
+** The values above are for systems where an int is 32 bits and are provided
+** as an example; the define below calculates the maximum for the system at
+** hand.
+*/
+#define MAX_ASCTIME_BUF_SIZE	(2*3+5*INT_STRLEN_MAXIMUM(int)+7+2+1+1)
+
+static char	buf_asctime[MAX_ASCTIME_BUF_SIZE];
+
+/*
+** A la ISO/IEC 9945-1, ANSI/IEEE Std 1003.1, 2004 Edition.
+*/
+
+char *
+asctime_r(timeptr, buf)
+register const struct tm *	timeptr;
+char *				buf;
+{
+	static const char	wday_name[][3] = {
+		"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
+	};
+	static const char	mon_name[][3] = {
+		"Jan", "Feb", "Mar", "Apr", "May", "Jun",
+		"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
+	};
+	register const char *	wn;
+	register const char *	mn;
+	char			year[INT_STRLEN_MAXIMUM(int) + 2];
+	char			result[MAX_ASCTIME_BUF_SIZE];
+
+	if (timeptr->tm_wday < 0 || timeptr->tm_wday >= DAYSPERWEEK)
+		wn = "???";
+	else	wn = wday_name[timeptr->tm_wday];
+	if (timeptr->tm_mon < 0 || timeptr->tm_mon >= MONSPERYEAR)
+		mn = "???";
+	else	mn = mon_name[timeptr->tm_mon];
+	/*
+	** Use strftime's %Y to generate the year, to avoid overflow problems
+	** when computing timeptr->tm_year + TM_YEAR_BASE.
+	** Assume that strftime is unaffected by other out-of-range members
+	** (e.g., timeptr->tm_mday) when processing "%Y".
+	*/
+	(void) strftime(year, sizeof year, "%Y", timeptr);
+	/*
+	** We avoid using snprintf since it's not available on all systems.
+	*/
+	(void) sprintf(result,
+		((strlen(year) <= 4) ? ASCTIME_FMT : ASCTIME_FMT_B),
+		wn, mn,
+		timeptr->tm_mday, timeptr->tm_hour,
+		timeptr->tm_min, timeptr->tm_sec,
+		year);
+	if (strlen(result) < STD_ASCTIME_BUF_SIZE || buf == buf_asctime) {
+		(void) strcpy(buf, result);
+		return buf;
+	} else {
+#ifdef EOVERFLOW
+		errno = EOVERFLOW;
+#else /* !defined EOVERFLOW */
+		errno = EINVAL;
+#endif /* !defined EOVERFLOW */
+		return NULL;
+	}
+}
+
+/*
+** A la ISO/IEC 9945-1, ANSI/IEEE Std 1003.1, 2004 Edition.
+*/
+
+char *
+asctime(timeptr)
+register const struct tm *	timeptr;
+{
+	return asctime_r(timeptr, buf_asctime);
+}
diff --git a/commands/zoneinfo/asia b/commands/zoneinfo/asia
new file mode 100644
index 000000000..78c2cf596
--- /dev/null
+++ b/commands/zoneinfo/asia
@@ -0,0 +1,1787 @@
+# @(#)asia	8.10
+# 
+
+# This data is by no means authoritative; if you think you know better,
+# go ahead and edit the file (and please send any changes to
+# tz@elsie.nci.nih.gov for general use in the future).
+
+# From Paul Eggert (2006-03-22):
+#
+# A good source for time zone historical data outside the U.S. is
+# Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),
+# San Diego: ACS Publications, Inc. (2003).
+#
+# Gwillim Law writes that a good source
+# for recent time zone data is the International Air Transport
+# Association's Standard Schedules Information Manual (IATA SSIM),
+# published semiannually.  Law sent in several helpful summaries
+# of the IATA's data after 1990.
+#
+# Except where otherwise noted, Shanks & Pottenger is the source for
+# entries through 1990, and IATA SSIM is the source for entries afterwards.
+#
+# Another source occasionally used is Edward W. Whitman, World Time Differences,
+# Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated), which
+# I found in the UCLA library.
+#
+# A reliable and entertaining source about time zones is
+# Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997).
+#
+# I invented the abbreviations marked `*' in the following table;
+# the rest are from earlier versions of this file, or from other sources.
+# Corrections are welcome!
+#	     std  dst
+#	     LMT	Local Mean Time
+#	2:00 EET  EEST	Eastern European Time
+#	2:00 IST  IDT	Israel
+#	3:00 AST  ADT	Arabia*
+#	3:30 IRST IRDT	Iran
+#	4:00 GST	Gulf*
+#	5:30 IST	India
+#	7:00 ICT	Indochina*
+#	7:00 WIT	west Indonesia
+#	8:00 CIT	central Indonesia
+#	8:00 CST	China
+#	9:00 CJT	Central Japanese Time (1896/1937)*
+#	9:00 EIT	east Indonesia
+#	9:00 JST  JDT	Japan
+#	9:00 KST  KDT	Korea
+#	9:30 CST	(Australian) Central Standard Time
+#
+# See the `europe' file for Russia and Turkey in Asia.
+
+# From Guy Harris:
+# Incorporates data for Singapore from Robert Elz' asia 1.1, as well as
+# additional information from Tom Yap, Sun Microsystems Intercontinental
+# Technical Support (including a page from the Official Airline Guide -
+# Worldwide Edition).  The names for time zones are guesses.
+
+###############################################################################
+
+# These rules are stolen from the `europe' file.
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	EUAsia	1981	max	-	Mar	lastSun	 1:00u	1:00	S
+Rule	EUAsia	1979	1995	-	Sep	lastSun	 1:00u	0	-
+Rule	EUAsia	1996	max	-	Oct	lastSun	 1:00u	0	-
+Rule E-EurAsia	1981	max	-	Mar	lastSun	 0:00	1:00	S
+Rule E-EurAsia	1979	1995	-	Sep	lastSun	 0:00	0	-
+Rule E-EurAsia	1996	max	-	Oct	lastSun	 0:00	0	-
+Rule RussiaAsia	1981	1984	-	Apr	1	 0:00	1:00	S
+Rule RussiaAsia	1981	1983	-	Oct	1	 0:00	0	-
+Rule RussiaAsia	1984	1991	-	Sep	lastSun	 2:00s	0	-
+Rule RussiaAsia	1985	1991	-	Mar	lastSun	 2:00s	1:00	S
+Rule RussiaAsia	1992	only	-	Mar	lastSat	23:00	1:00	S
+Rule RussiaAsia	1992	only	-	Sep	lastSat	23:00	0	-
+Rule RussiaAsia	1993	max	-	Mar	lastSun	 2:00s	1:00	S
+Rule RussiaAsia	1993	1995	-	Sep	lastSun	 2:00s	0	-
+Rule RussiaAsia	1996	max	-	Oct	lastSun	 2:00s	0	-
+
+# Afghanistan
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Kabul	4:36:48 -	LMT	1890
+			4:00	-	AFT	1945
+			4:30	-	AFT
+
+# Armenia
+# From Paul Eggert (2006-03-22):
+# Shanks & Pottenger have Yerevan switching to 3:00 (with Russian DST)
+# in spring 1991, then to 4:00 with no DST in fall 1995, then
+# readopting Russian DST in 1997.  Go with Shanks & Pottenger, even
+# when they disagree with others.  Edgar Der-Danieliantz
+# reported (1996-05-04) that Yerevan probably wouldn't use DST
+# in 1996, though it did use DST in 1995.  IATA SSIM (1991/1998) reports that
+# Armenia switched from 3:00 to 4:00 in 1998 and observed DST after 1991,
+# but started switching at 3:00s in 1998.
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Yerevan	2:58:00 -	LMT	1924 May  2
+			3:00	-	YERT	1957 Mar    # Yerevan Time
+			4:00 RussiaAsia YER%sT	1991 Mar 31 2:00s
+			3:00	1:00	YERST	1991 Sep 23 # independence
+			3:00 RussiaAsia	AM%sT	1995 Sep 24 2:00s
+			4:00	-	AMT	1997
+			4:00 RussiaAsia	AM%sT
+
+# Azerbaijan
+# From Rustam Aliyev of the Azerbaijan Internet Forum (2005-10-23):
+# According to the resolution of Cabinet of Ministers, 1997
+# Resolution available at: http://aif.az/docs/daylight_res.pdf
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Azer	1997	max	-	Mar	lastSun	 4:00	1:00	S
+Rule	Azer	1997	max	-	Oct	lastSun	 5:00	0	-
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Baku	3:19:24 -	LMT	1924 May  2
+			3:00	-	BAKT	1957 Mar    # Baku Time
+			4:00 RussiaAsia BAK%sT	1991 Mar 31 2:00s
+			3:00	1:00	BAKST	1991 Aug 30 # independence
+			3:00 RussiaAsia	AZ%sT	1992 Sep lastSat 23:00
+			4:00	-	AZT	1996 # Azerbaijan time
+			4:00	EUAsia	AZ%sT	1997
+			4:00	Azer	AZ%sT
+
+# Bahrain
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Bahrain	3:22:20 -	LMT	1920		# Al Manamah
+			4:00	-	GST	1972 Jun
+			3:00	-	AST
+
+# Bangladesh
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Dhaka	6:01:40 -	LMT	1890
+			5:53:20	-	HMT	1941 Oct    # Howrah Mean Time?
+			6:30	-	BURT	1942 May 15 # Burma Time
+			5:30	-	IST	1942 Sep
+			6:30	-	BURT	1951 Sep 30
+			6:00	-	DACT	1971 Mar 26 # Dacca Time
+			6:00	-	BDT	# Bangladesh Time
+
+# Bhutan
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Thimphu	5:58:36 -	LMT	1947 Aug 15 # or Thimbu
+			5:30	-	IST	1987 Oct
+			6:00	-	BTT	# Bhutan Time
+
+# British Indian Ocean Territory
+# Whitman and the 1995 CIA time zone map say 5:00, but the
+# 1997 and later maps say 6:00.  Assume the switch occurred in 1996.
+# We have no information as to when standard time was introduced;
+# assume it occurred in 1907, the same year as Mauritius (which
+# then contained the Chagos Archipelago).
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Indian/Chagos	4:49:40	-	LMT	1907
+			5:00	-	IOT	1996 # BIOT Time
+			6:00	-	IOT
+
+# Brunei
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Brunei	7:39:40 -	LMT	1926 Mar   # Bandar Seri Begawan
+			7:30	-	BNT	1933
+			8:00	-	BNT
+
+# Burma / Myanmar
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Rangoon	6:24:40 -	LMT	1880		# or Yangon
+			6:24:36	-	RMT	1920	   # Rangoon Mean Time?
+			6:30	-	BURT	1942 May   # Burma Time
+			9:00	-	JST	1945 May 3
+			6:30	-	MMT		   # Myanmar Time
+
+# Cambodia
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Phnom_Penh	6:59:40 -	LMT	1906 Jun  9
+			7:06:20	-	SMT	1911 Mar 11 0:01 # Saigon MT?
+			7:00	-	ICT	1912 May
+			8:00	-	ICT	1931 May
+			7:00	-	ICT
+
+# China
+
+# From Guy Harris:
+# People's Republic of China.  Yes, they really have only one time zone.
+
+# From Bob Devine (1988-01-28):
+# No they don't.  See TIME mag, 1986-02-17 p.52.  Even though
+# China is across 4 physical time zones, before Feb 1, 1986 only the
+# Peking (Bejing) time zone was recognized.  Since that date, China
+# has two of 'em -- Peking's and Urumqi (named after the capital of
+# the Xinjiang Uyghur Autonomous Region).  I don't know about DST for it.
+#
+# . . .I just deleted the DST table and this editor makes it too
+# painful to suck in another copy..  So, here is what I have for
+# DST start/end dates for Peking's time zone (info from AP):
+#
+#     1986 May 4 - Sept 14
+#     1987 mid-April - ??
+
+# From U. S. Naval Observatory (1989-01-19):
+# CHINA               8 H  AHEAD OF UTC  ALL OF CHINA, INCL TAIWAN
+# CHINA               9 H  AHEAD OF UTC  APR 17 - SEP 10
+
+# From Paul Eggert (2006-03-22):
+# Shanks & Pottenger write that China (except for Hong Kong and Macau)
+# has had a single time zone since 1980 May 1, observing summer DST
+# from 1986 through 1991; this contradicts Devine's
+# note about Time magazine, though apparently _something_ happened in 1986.
+# Go with Shanks & Pottenger for now.  I made up names for the other
+# pre-1980 time zones.
+
+# From Shanks & Pottenger:
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Shang	1940	only	-	Jun	 3	0:00	1:00	D
+Rule	Shang	1940	1941	-	Oct	 1	0:00	0	S
+Rule	Shang	1941	only	-	Mar	16	0:00	1:00	D
+Rule	PRC	1986	only	-	May	 4	0:00	1:00	D
+Rule	PRC	1986	1991	-	Sep	Sun>=11	0:00	0	S
+Rule	PRC	1987	1991	-	Apr	Sun>=10	0:00	1:00	D
+
+# From Anthony Fok (2001-12-20):
+# BTW, I did some research on-line and found some info regarding these five
+# historic timezones from some Taiwan websites.  And yes, there are official
+# Chinese names for these locales (before 1949).
+#
+# From Jesper Norgaard Welen (2006-07-14):
+# I have investigated the timezones around 1970 on the
+# http://www.astro.com/atlas site [with provinces and county
+# boundaries summarized below]....  A few other exceptions were two
+# counties on the Sichuan side of the Xizang-Sichuan border,
+# counties Dege and Baiyu which lies on the Sichuan side and are
+# therefore supposed to be GMT+7, Xizang region being GMT+6, but Dege
+# county is GMT+8 according to astro.com while Baiyu county is GMT+6
+# (could be true), for the moment I am assuming that those two
+# counties are mistakes in the astro.com data.
+
+
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Changbai Time ("Long-white Time", Long-white = Heilongjiang area)
+# Heilongjiang (except Mohe county), Jilin
+Zone	Asia/Harbin	8:26:44	-	LMT	1928 # or Haerbin
+			8:30	-	CHAT	1932 Mar # Changbai Time
+			8:00	-	CST	1940
+			9:00	-	CHAT	1966 May
+			8:30	-	CHAT	1980 May
+			8:00	PRC	C%sT
+# Zhongyuan Time ("Central plain Time")
+# most of China
+Zone	Asia/Shanghai	8:05:52	-	LMT	1928
+			8:00	Shang	C%sT	1949
+			8:00	PRC	C%sT
+# Long-shu Time (probably due to Long and Shu being two names of that area)
+# Guangxi, Guizhou, Hainan, Ningxia, Sichuan, Shaanxi, and Yunnan;
+# most of Gansu; west Inner Mongolia; west Qinghai; and the Guangdong
+# counties Deqing, Enping, Kaiping, Luoding, Taishan, Xinxing,
+# Yangchun, Yangjiang, Yu'nan, and Yunfu.
+Zone	Asia/Chongqing	7:06:20	-	LMT	1928 # or Chungking
+			7:00	-	LONT	1980 May # Long-shu Time
+			8:00	PRC	C%sT
+# Xin-zang Time ("Xinjiang-Tibet Time")
+# The Gansu counties Aksay, Anxi, Dunhuang, Subei; west Qinghai;
+# the Guangdong counties  Xuwen, Haikang, Suixi, Lianjiang,
+# Zhanjiang, Wuchuan, Huazhou, Gaozhou, Maoming, Dianbai, and Xinyi;
+# east Tibet, including Lhasa, Chamdo, Shigaise, Jimsar, Shawan and Hutubi;
+# east Xinjiang, including Urumqi, Turpan, Karamay, Korla, Minfeng, Jinghe,
+# Wusu, Qiemo, Xinyan, Wulanwusu, Jinghe, Yumin, Tacheng, Tuoli, Emin,
+# Shihezi, Changji, Yanqi, Heshuo, Tuokexun, Tulufan, Shanshan, Hami,
+# Fukang, Kuitun, Kumukuli, Miquan, Qitai, and Turfan.
+Zone	Asia/Urumqi	5:50:20	-	LMT	1928 # or Urumchi
+			6:00	-	URUT	1980 May # Urumqi Time
+			8:00	PRC	C%sT
+# Kunlun Time
+# West Tibet, including Pulan, Aheqi, Shufu, Shule;
+# West Xinjiang, including Aksu, Atushi, Yining, Hetian, Cele, Luopu, Nileke,
+# Zhaosu, Tekesi, Gongliu, Chabuchaer, Huocheng, Bole, Pishan, Suiding,
+# and Yarkand.
+Zone	Asia/Kashgar	5:03:56	-	LMT	1928 # or Kashi or Kaxgar
+			5:30	-	KAST	1940	 # Kashgar Time
+			5:00	-	KAST	1980 May
+			8:00	PRC	C%sT
+
+# Hong Kong (Xianggang)
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	HK	1946	only	-	Apr	20	3:30	1:00	S
+Rule	HK	1946	only	-	Dec	1	3:30	0	-
+Rule	HK	1947	only	-	Apr	13	3:30	1:00	S
+Rule	HK	1947	only	-	Dec	30	3:30	0	-
+Rule	HK	1948	only	-	May	2	3:30	1:00	S
+Rule	HK	1948	1952	-	Oct	lastSun	3:30	0	-
+Rule	HK	1949	1953	-	Apr	Sun>=1	3:30	1:00	S
+Rule	HK	1953	only	-	Nov	1	3:30	0	-
+Rule	HK	1954	1964	-	Mar	Sun>=18	3:30	1:00	S
+Rule	HK	1954	only	-	Oct	31	3:30	0	-
+Rule	HK	1955	1964	-	Nov	Sun>=1	3:30	0	-
+Rule	HK	1965	1977	-	Apr	Sun>=16	3:30	1:00	S
+Rule	HK	1965	1977	-	Oct	Sun>=16	3:30	0	-
+Rule	HK	1979	1980	-	May	Sun>=8	3:30	1:00	S
+Rule	HK	1979	1980	-	Oct	Sun>=16	3:30	0	-
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Hong_Kong	7:36:36 -	LMT	1904 Oct 30
+			8:00	HK	HK%sT
+
+
+###############################################################################
+
+# Taiwan
+
+# Shanks & Pottenger write that Taiwan observed DST during 1945, when it
+# was still controlled by Japan.  This is hard to believe, but we don't
+# have any other information.
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Taiwan	1945	1951	-	May	1	0:00	1:00	D
+Rule	Taiwan	1945	1951	-	Oct	1	0:00	0	S
+Rule	Taiwan	1952	only	-	Mar	1	0:00	1:00	D
+Rule	Taiwan	1952	1954	-	Nov	1	0:00	0	S
+Rule	Taiwan	1953	1959	-	Apr	1	0:00	1:00	D
+Rule	Taiwan	1955	1961	-	Oct	1	0:00	0	S
+Rule	Taiwan	1960	1961	-	Jun	1	0:00	1:00	D
+Rule	Taiwan	1974	1975	-	Apr	1	0:00	1:00	D
+Rule	Taiwan	1974	1975	-	Oct	1	0:00	0	S
+Rule	Taiwan	1980	only	-	Jun	30	0:00	1:00	D
+Rule	Taiwan	1980	only	-	Sep	30	0:00	0	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Taipei	8:06:00 -	LMT	1896 # or Taibei or T'ai-pei
+			8:00	Taiwan	C%sT
+
+# Macau (Macao, Aomen)
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Macau	1961	1962	-	Mar	Sun>=16	3:30	1:00	S
+Rule	Macau	1961	1964	-	Nov	Sun>=1	3:30	0	-
+Rule	Macau	1963	only	-	Mar	Sun>=16	0:00	1:00	S
+Rule	Macau	1964	only	-	Mar	Sun>=16	3:30	1:00	S
+Rule	Macau	1965	only	-	Mar	Sun>=16	0:00	1:00	S
+Rule	Macau	1965	only	-	Oct	31	0:00	0	-
+Rule	Macau	1966	1971	-	Apr	Sun>=16	3:30	1:00	S
+Rule	Macau	1966	1971	-	Oct	Sun>=16	3:30	0	-
+Rule	Macau	1972	1974	-	Apr	Sun>=15	0:00	1:00	S
+Rule	Macau	1972	1973	-	Oct	Sun>=15	0:00	0	-
+Rule	Macau	1974	1977	-	Oct	Sun>=15	3:30	0	-
+Rule	Macau	1975	1977	-	Apr	Sun>=15	3:30	1:00	S
+Rule	Macau	1978	1980	-	Apr	Sun>=15	0:00	1:00	S
+Rule	Macau	1978	1980	-	Oct	Sun>=15	0:00	0	-
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Macau	7:34:20 -	LMT	1912
+			8:00	Macau	MO%sT	1999 Dec 20 # return to China
+			8:00	PRC	C%sT
+
+
+###############################################################################
+
+# Cyprus
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Cyprus	1975	only	-	Apr	13	0:00	1:00	S
+Rule	Cyprus	1975	only	-	Oct	12	0:00	0	-
+Rule	Cyprus	1976	only	-	May	15	0:00	1:00	S
+Rule	Cyprus	1976	only	-	Oct	11	0:00	0	-
+Rule	Cyprus	1977	1980	-	Apr	Sun>=1	0:00	1:00	S
+Rule	Cyprus	1977	only	-	Sep	25	0:00	0	-
+Rule	Cyprus	1978	only	-	Oct	2	0:00	0	-
+Rule	Cyprus	1979	1997	-	Sep	lastSun	0:00	0	-
+Rule	Cyprus	1981	1998	-	Mar	lastSun	0:00	1:00	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Nicosia	2:13:28 -	LMT	1921 Nov 14
+			2:00	Cyprus	EE%sT	1998 Sep
+			2:00	EUAsia	EE%sT
+# IATA SSIM (1998-09) has Cyprus using EU rules for the first time.
+
+# Classically, Cyprus belongs to Asia; e.g. see Herodotus, Histories, I.72.
+# However, for various reasons many users expect to find it under Europe.
+Link	Asia/Nicosia	Europe/Nicosia
+
+# Georgia
+# From Paul Eggert (1994-11-19):
+# Today's _Economist_ (p 60) reports that Georgia moved its clocks forward
+# an hour recently, due to a law proposed by Zurab Murvanidze,
+# an MP who went on a hunger strike for 11 days to force discussion about it!
+# We have no details, but we'll guess they didn't move the clocks back in fall.
+#
+# From Mathew Englander, quoting AP (1996-10-23 13:05-04):
+# Instead of putting back clocks at the end of October, Georgia
+# will stay on daylight savings time this winter to save energy,
+# President Eduard Shevardnadze decreed Wednesday.
+#
+# From the BBC via Joseph S. Myers (2004-06-27):
+#
+# Georgia moved closer to Western Europe on Sunday...  The former Soviet
+# republic has changed its time zone back to that of Moscow.  As a result it
+# is now just four hours ahead of Greenwich Mean Time, rather than five hours
+# ahead.  The switch was decreed by the pro-Western president of Georgia,
+# Mikhail Saakashvili, who said the change was partly prompted by the process
+# of integration into Europe.
+
+# From Teimuraz Abashidze (2005-11-07):
+# Government of Georgia ... decided to NOT CHANGE daylight savings time on
+# [Oct.] 30, as it was done before during last more than 10 years.
+# Currently, we are in fact GMT +4:00, as before 30 October it was GMT
+# +3:00.... The problem is, there is NO FORMAL LAW or governmental document
+# about it.  As far as I can find, I was told, that there is no document,
+# because we just DIDN'T ISSUE document about switching to winter time....
+# I don't know what can be done, especially knowing that some years ago our
+# DST rules where changed THREE TIMES during one month.
+
+
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Tbilisi	2:59:16 -	LMT	1880
+			2:59:16	-	TBMT	1924 May  2 # Tbilisi Mean Time
+			3:00	-	TBIT	1957 Mar    # Tbilisi Time
+			4:00 RussiaAsia TBI%sT	1991 Mar 31 2:00s
+			3:00	1:00	TBIST	1991 Apr  9 # independence
+			3:00 RussiaAsia GE%sT	1992 # Georgia Time
+			3:00 E-EurAsia	GE%sT	1994 Sep lastSun
+			4:00 E-EurAsia	GE%sT	1996 Oct lastSun
+			4:00	1:00	GEST	1997 Mar lastSun
+			4:00 E-EurAsia	GE%sT	2004 Jun 27
+			3:00 RussiaAsia	GE%sT	2005 Mar lastSun 2:00
+			4:00	-	GET
+
+# East Timor
+
+# See Indonesia for the 1945 transition.
+
+# From Joao Carrascalao, brother of the former governor of East Timor, in
+# 
+# East Timor may be late for its millennium
+#  (1999-12-26/31):
+# Portugal tried to change the time forward in 1974 because the sun
+# rises too early but the suggestion raised a lot of problems with the
+# Timorese and I still don't think it would work today because it
+# conflicts with their way of life.
+
+# From Paul Eggert (2000-12-04):
+# We don't have any record of the above attempt.
+# Most likely our records are incomplete, but we have no better data.
+
+# 
+# From Manoel de Almeida e Silva, Deputy Spokesman for the UN Secretary-General
+# (2000-08-16):
+# The Cabinet of the East Timor Transition Administration decided
+# today to advance East Timor's time by one hour.  The time change,
+# which will be permanent, with no seasonal adjustment, will happen at
+# midnight on Saturday, September 16.
+
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Dili	8:22:20 -	LMT	1912
+			8:00	-	TLT	1942 Feb 21 23:00 # E Timor Time
+			9:00	-	JST	1945 Sep 23
+			9:00	-	TLT	1976 May  3
+			8:00	-	CIT	2000 Sep 17 00:00
+			9:00	-	TLT
+
+# India
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Calcutta	5:53:28 -	LMT	1880	# Kolkata
+			5:53:20	-	HMT	1941 Oct    # Howrah Mean Time?
+			6:30	-	BURT	1942 May 15 # Burma Time
+			5:30	-	IST	1942 Sep
+			5:30	1:00	IST	1945 Oct 15
+			5:30	-	IST
+# The following are like Asia/Calcutta:
+#	Andaman Is
+#	Lakshadweep (Laccadive, Minicoy and Amindivi Is)
+#	Nicobar Is
+
+# Indonesia
+#
+# From Gwillim Law (2001-05-28), overriding Shanks & Pottenger:
+# 
+# says that Indonesia's time zones changed on 1988-01-01.  Looking at some
+# time zone maps, I think that must refer to Western Borneo (Kalimantan Barat
+# and Kalimantan Tengah) switching from UTC+8 to UTC+7.
+#
+# From Paul Eggert (2007-03-10):
+# Here is another correction to Shanks & Pottenger.
+# JohnTWB writes that Japanese forces did not surrender control in
+# Indonesia until 1945-09-01 00:00 at the earliest (in Jakarta) and
+# other formal surrender ceremonies were September 9, 11, and 13, plus
+# September 12 for the regional surrender to Mountbatten in Singapore.
+# These would be the earliest possible times for a change.
+# Regimes horaires pour le monde entier, by Henri Le Corre, (Editions
+# Traditionnelles, 1987, Paris) says that Java and Madura switched
+# from JST to UTC+07:30 on 1945-09-23, and gives 1944-09-01 for Jayapura
+# (Hollandia).  For now, assume all Indonesian locations other than Jayapura
+# switched on 1945-09-23.
+#
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Asia/Jakarta	7:07:12 -	LMT	1867 Aug 10
+# Shanks & Pottenger say the next transition was at 1924 Jan 1 0:13,
+# but this must be a typo.
+			7:07:12	-	JMT	1923 Dec 31 23:47:12 # Jakarta
+			7:20	-	JAVT	1932 Nov	 # Java Time
+			7:30	-	WIT	1942 Mar 23
+			9:00	-	JST	1945 Sep 23
+			7:30	-	WIT	1948 May
+			8:00	-	WIT	1950 May
+			7:30	-	WIT	1964
+			7:00	-	WIT
+Zone Asia/Pontianak	7:17:20	-	LMT	1908 May
+			7:17:20	-	PMT	1932 Nov    # Pontianak MT
+			7:30	-	WIT	1942 Jan 29
+			9:00	-	JST	1945 Sep 23
+			7:30	-	WIT	1948 May
+			8:00	-	WIT	1950 May
+			7:30	-	WIT	1964
+			8:00	-	CIT	1988 Jan  1
+			7:00	-	WIT
+Zone Asia/Makassar	7:57:36 -	LMT	1920
+			7:57:36	-	MMT	1932 Nov    # Macassar MT
+			8:00	-	CIT	1942 Feb  9
+			9:00	-	JST	1945 Sep 23
+			8:00	-	CIT
+Zone Asia/Jayapura	9:22:48 -	LMT	1932 Nov
+			9:00	-	EIT	1944 Sep  1
+			9:30	-	CST	1964
+			9:00	-	EIT
+
+# Iran
+
+# From Roozbeh Pournader (2003-03-15):
+# This is an English translation of what I just found (originally in Persian).
+# The Gregorian dates in brackets are mine:
+#
+#	Official Newspaper No. 13548-1370/6/25 [1991-09-16]
+#	No. 16760/T233 H				1370/6/10 [1991-09-01]
+#
+#	The Rule About Change of the Official Time of the Country
+#
+#	The Board of Ministers, in the meeting dated 1370/5/23 [1991-08-14],
+#	based on the suggestion number 2221/D dated 1370/4/22 [1991-07-13]
+#	of the Country's Organization for Official and Employment Affairs,
+#	and referring to the law for equating the working hours of workers
+#	and officers in the whole country dated 1359/4/23 [1980-07-14], and
+#	for synchronizing the official times of the country, agreed that:
+#
+#	The official time of the country will should move forward one hour
+#	at the 24[:00] hours of the first day of Farvardin and should return
+#	to its previous state at the 24[:00] hours of the 30th day of
+#	Shahrivar.
+#
+#	First Deputy to the President - Hassan Habibi
+#
+# From personal experience, that agrees with what has been followed
+# for at least the last 5 years.  Before that, for a few years, the
+# date used was the first Thursday night of Farvardin and the last
+# Thursday night of Shahrivar, but I can't give exact dates....
+# I have also changed the abbreviations to what is considered correct
+# here in Iran, IRST for regular time and IRDT for daylight saving time.
+#
+# From Roozbeh Pournader (2005-04-05):
+# The text of the Iranian law, in effect since 1925, clearly mentions
+# that the true solar year is the measure, and there is no arithmetic
+# leap year calculation involved.  There has never been any serious
+# plan to change that law....
+#
+# From Paul Eggert (2006-03-22):
+# Go with Shanks & Pottenger before Sept. 1991, and with Pournader thereafter.
+# I used Ed Reingold's cal-persia in GNU Emacs 21.2 to check Persian dates,
+# stopping after 2037 when 32-bit time_t's overflow.
+# That cal-persia used Birashk's approximation, which disagrees with the solar
+# calendar predictions for the year 2025, so I corrected those dates by hand.
+#
+# From Oscar van Vlijmen (2005-03-30), writing about future
+# discrepancies between cal-persia and the Iranian calendar:
+# For 2091 solar-longitude-after yields 2091-03-20 08:40:07.7 UT for
+# the vernal equinox and that gets so close to 12:00 some local
+# Iranian time that the definition of the correct location needs to be
+# known exactly, amongst other factors.  2157 is even closer:
+# 2157-03-20 08:37:15.5 UT.  But the Gregorian year 2025 should give
+# no interpretation problem whatsoever.  By the way, another instant
+# in the near future where there will be a discrepancy between
+# arithmetical and astronomical Iranian calendars will be in 2058:
+# vernal equinox on 2058-03-20 09:03:05.9 UT.  The Java version of
+# Reingold's/Dershowitz' calculator gives correctly the Gregorian date
+# 2058-03-21 for 1 Farvardin 1437 (astronomical).
+#
+# From Paul Eggert (2006-03-22):
+# The above comments about post-2006 transitions may become relevant again,
+# if Iran ever resuscitates DST, so we'll leave the comments in.
+#
+# From Steffen Thorsen (2006-03-22):
+# Several of my users have reported that Iran will not observe DST anymore:
+# http://www.irna.ir/en/news/view/line-17/0603193812164948.htm
+#
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Iran	1978	1980	-	Mar	21	0:00	1:00	D
+Rule	Iran	1978	only	-	Oct	21	0:00	0	S
+Rule	Iran	1979	only	-	Sep	19	0:00	0	S
+Rule	Iran	1980	only	-	Sep	23	0:00	0	S
+Rule	Iran	1991	only	-	May	 3	0:00	1:00	D
+Rule	Iran	1992	1995	-	Mar	22	0:00	1:00	D
+Rule	Iran	1991	1995	-	Sep	22	0:00	0	S
+Rule	Iran	1996	only	-	Mar	21	0:00	1:00	D
+Rule	Iran	1996	only	-	Sep	21	0:00	0	S
+Rule	Iran	1997	1999	-	Mar	22	0:00	1:00	D
+Rule	Iran	1997	1999	-	Sep	22	0:00	0	S
+Rule	Iran	2000	only	-	Mar	21	0:00	1:00	D
+Rule	Iran	2000	only	-	Sep	21	0:00	0	S
+Rule	Iran	2001	2003	-	Mar	22	0:00	1:00	D
+Rule	Iran	2001	2003	-	Sep	22	0:00	0	S
+Rule	Iran	2004	only	-	Mar	21	0:00	1:00	D
+Rule	Iran	2004	only	-	Sep	21	0:00	0	S
+Rule	Iran	2005	only	-	Mar	22	0:00	1:00	D
+Rule	Iran	2005	only	-	Sep	22	0:00	0	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Tehran	3:25:44	-	LMT	1916
+			3:25:44	-	TMT	1946	# Tehran Mean Time
+			3:30	-	IRST	1977 Nov
+			4:00	Iran	IR%sT	1979
+			3:30	Iran	IR%sT
+
+
+# Iraq
+#
+# From Jonathan Lennox (2000-06-12):
+# An article in this week's Economist ("Inside the Saddam-free zone", p. 50 in
+# the U.S. edition) on the Iraqi Kurds contains a paragraph:
+# "The three northern provinces ... switched their clocks this spring and
+# are an hour ahead of Baghdad."
+#
+# But Rives McDow (2000-06-18) quotes a contact in Iraqi-Kurdistan as follows:
+# In the past, some Kurdish nationalists, as a protest to the Iraqi
+# Government, did not adhere to daylight saving time.  They referred
+# to daylight saving as Saddam time.  But, as of today, the time zone
+# in Iraqi-Kurdistan is on standard time with Baghdad, Iraq.
+#
+# So we'll ignore the Economist's claim.
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Iraq	1982	only	-	May	1	0:00	1:00	D
+Rule	Iraq	1982	1984	-	Oct	1	0:00	0	S
+Rule	Iraq	1983	only	-	Mar	31	0:00	1:00	D
+Rule	Iraq	1984	1985	-	Apr	1	0:00	1:00	D
+Rule	Iraq	1985	1990	-	Sep	lastSun	1:00s	0	S
+Rule	Iraq	1986	1990	-	Mar	lastSun	1:00s	1:00	D
+# IATA SSIM (1991/1996) says Apr 1 12:01am UTC; guess the `:01' is a typo.
+# Shanks & Pottenger say Iraq did not observe DST 1992/1997; ignore this.
+#
+Rule	Iraq	1991	max	-	Apr	 1	3:00s	1:00	D
+Rule	Iraq	1991	max	-	Oct	 1	3:00s	0	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Baghdad	2:57:40	-	LMT	1890
+			2:57:36	-	BMT	1918	    # Baghdad Mean Time?
+			3:00	-	AST	1982 May
+			3:00	Iraq	A%sT
+
+
+###############################################################################
+
+# Israel
+
+# From Ephraim Silverberg (2001-01-11):
+#
+# I coined "IST/IDT" circa 1988.  Until then there were three
+# different abbreviations in use:
+#
+# JST  Jerusalem Standard Time [Danny Braniss, Hebrew University]
+# IZT  Israel Zonal (sic) Time [Prof. Haim Papo, Technion]
+# EEST Eastern Europe Standard Time [used by almost everyone else]
+#
+# Since timezones should be called by country and not capital cities,
+# I ruled out JST.  As Israel is in Asia Minor and not Eastern Europe,
+# EEST was equally unacceptable.  Since "zonal" was not compatible with
+# any other timezone abbreviation, I felt that 'IST' was the way to go
+# and, indeed, it has received almost universal acceptance in timezone
+# settings in Israeli computers.
+#
+# In any case, I am happy to share timezone abbreviations with India,
+# high on my favorite-country list (and not only because my wife's
+# family is from India).
+
+# From Shanks & Pottenger:
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Zion	1940	only	-	Jun	 1	0:00	1:00	D
+Rule	Zion	1942	1944	-	Nov	 1	0:00	0	S
+Rule	Zion	1943	only	-	Apr	 1	2:00	1:00	D
+Rule	Zion	1944	only	-	Apr	 1	0:00	1:00	D
+Rule	Zion	1945	only	-	Apr	16	0:00	1:00	D
+Rule	Zion	1945	only	-	Nov	 1	2:00	0	S
+Rule	Zion	1946	only	-	Apr	16	2:00	1:00	D
+Rule	Zion	1946	only	-	Nov	 1	0:00	0	S
+Rule	Zion	1948	only	-	May	23	0:00	2:00	DD
+Rule	Zion	1948	only	-	Sep	 1	0:00	1:00	D
+Rule	Zion	1948	1949	-	Nov	 1	2:00	0	S
+Rule	Zion	1949	only	-	May	 1	0:00	1:00	D
+Rule	Zion	1950	only	-	Apr	16	0:00	1:00	D
+Rule	Zion	1950	only	-	Sep	15	3:00	0	S
+Rule	Zion	1951	only	-	Apr	 1	0:00	1:00	D
+Rule	Zion	1951	only	-	Nov	11	3:00	0	S
+Rule	Zion	1952	only	-	Apr	20	2:00	1:00	D
+Rule	Zion	1952	only	-	Oct	19	3:00	0	S
+Rule	Zion	1953	only	-	Apr	12	2:00	1:00	D
+Rule	Zion	1953	only	-	Sep	13	3:00	0	S
+Rule	Zion	1954	only	-	Jun	13	0:00	1:00	D
+Rule	Zion	1954	only	-	Sep	12	0:00	0	S
+Rule	Zion	1955	only	-	Jun	11	2:00	1:00	D
+Rule	Zion	1955	only	-	Sep	11	0:00	0	S
+Rule	Zion	1956	only	-	Jun	 3	0:00	1:00	D
+Rule	Zion	1956	only	-	Sep	30	3:00	0	S
+Rule	Zion	1957	only	-	Apr	29	2:00	1:00	D
+Rule	Zion	1957	only	-	Sep	22	0:00	0	S
+Rule	Zion	1974	only	-	Jul	 7	0:00	1:00	D
+Rule	Zion	1974	only	-	Oct	13	0:00	0	S
+Rule	Zion	1975	only	-	Apr	20	0:00	1:00	D
+Rule	Zion	1975	only	-	Aug	31	0:00	0	S
+Rule	Zion	1985	only	-	Apr	14	0:00	1:00	D
+Rule	Zion	1985	only	-	Sep	15	0:00	0	S
+Rule	Zion	1986	only	-	May	18	0:00	1:00	D
+Rule	Zion	1986	only	-	Sep	 7	0:00	0	S
+Rule	Zion	1987	only	-	Apr	15	0:00	1:00	D
+Rule	Zion	1987	only	-	Sep	13	0:00	0	S
+Rule	Zion	1988	only	-	Apr	 9	0:00	1:00	D
+Rule	Zion	1988	only	-	Sep	 3	0:00	0	S
+
+# From Ephraim Silverberg
+# (1997-03-04, 1998-03-16, 1998-12-28, 2000-01-17, 2000-07-25, 2004-12-22,
+# and 2005-02-17):
+
+# According to the Office of the Secretary General of the Ministry of
+# Interior, there is NO set rule for Daylight-Savings/Standard time changes.
+# One thing is entrenched in law, however: that there must be at least 150
+# days of daylight savings time annually.  From 1993-1998, the change to
+# daylight savings time was on a Friday morning from midnight IST to
+# 1 a.m IDT; up until 1998, the change back to standard time was on a
+# Saturday night from midnight daylight savings time to 11 p.m. standard
+# time.  1996 is an exception to this rule where the change back to standard
+# time took place on Sunday night instead of Saturday night to avoid
+# conflicts with the Jewish New Year.  In 1999, the change to
+# daylight savings time was still on a Friday morning but from
+# 2 a.m. IST to 3 a.m. IDT; furthermore, the change back to standard time
+# was also on a Friday morning from 2 a.m. IDT to 1 a.m. IST for
+# 1999 only.  In the year 2000, the change to daylight savings time was
+# similar to 1999, but although the change back will be on a Friday, it
+# will take place from 1 a.m. IDT to midnight IST.  Starting in 2001, all
+# changes to/from will take place at 1 a.m. old time, but now there is no
+# rule as to what day of the week it will take place in as the start date
+# (except in 2003) is the night after the Passover Seder (i.e. the eve
+# of the 16th of Nisan in the lunar Hebrew calendar) and the end date
+# (except in 2002) is three nights before Yom Kippur [Day of Atonement]
+# (the eve of the 7th of Tishrei in the lunar Hebrew calendar).
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Zion	1989	only	-	Apr	30	0:00	1:00	D
+Rule	Zion	1989	only	-	Sep	 3	0:00	0	S
+Rule	Zion	1990	only	-	Mar	25	0:00	1:00	D
+Rule	Zion	1990	only	-	Aug	26	0:00	0	S
+Rule	Zion	1991	only	-	Mar	24	0:00	1:00	D
+Rule	Zion	1991	only	-	Sep	 1	0:00	0	S
+Rule	Zion	1992	only	-	Mar	29	0:00	1:00	D
+Rule	Zion	1992	only	-	Sep	 6	0:00	0	S
+Rule	Zion	1993	only	-	Apr	 2	0:00	1:00	D
+Rule	Zion	1993	only	-	Sep	 5	0:00	0	S
+
+# The dates for 1994-1995 were obtained from Office of the Spokeswoman for the
+# Ministry of Interior, Jerusalem, Israel.  The spokeswoman can be reached by
+# calling the office directly at 972-2-6701447 or 972-2-6701448.
+
+# Rule	NAME    FROM    TO      TYPE    IN      ON      AT      SAVE    LETTER/S
+Rule	Zion	1994	only	-	Apr	 1	0:00	1:00	D
+Rule	Zion	1994	only	-	Aug	28	0:00	0	S
+Rule	Zion	1995	only	-	Mar	31	0:00	1:00	D
+Rule	Zion	1995	only	-	Sep	 3	0:00	0	S
+
+# The dates for 1996 were determined by the Minister of Interior of the
+# time, Haim Ramon.  The official announcement regarding 1996-1998
+# (with the dates for 1997-1998 no longer being relevant) can be viewed at:
+#
+#   ftp://ftp.cs.huji.ac.il/pub/tz/announcements/1996-1998.ramon.ps.gz
+#
+# The dates for 1997-1998 were altered by his successor, Rabbi Eli Suissa.
+#
+# The official announcements for the years 1997-1999 can be viewed at:
+#
+#   ftp://ftp.cs.huji.ac.il/pub/tz/announcements/YYYY.ps.gz
+#
+#       where YYYY is the relevant year.
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Zion	1996	only	-	Mar	15	0:00	1:00	D
+Rule	Zion	1996	only	-	Sep	16	0:00	0	S
+Rule	Zion	1997	only	-	Mar	21	0:00	1:00	D
+Rule	Zion	1997	only	-	Sep	14	0:00	0	S
+Rule	Zion	1998	only	-	Mar	20	0:00	1:00	D
+Rule	Zion	1998	only	-	Sep	 6	0:00	0	S
+Rule	Zion	1999	only	-	Apr	 2	2:00	1:00	D
+Rule	Zion	1999	only	-	Sep	 3	2:00	0	S
+
+# The Knesset Interior Committee has changed the dates for 2000 for
+# the third time in just over a year and have set new dates for the
+# years 2001-2004 as well.
+#
+# The official announcement for the start date of 2000 can be viewed at:
+#
+#	ftp://ftp.cs.huji.ac.il/pub/tz/announcements/2000-start.ps.gz
+#
+# The official announcement for the end date of 2000 and the dates
+# for the years 2001-2004 can be viewed at:
+#
+#	ftp://ftp.cs.huji.ac.il/pub/tz/announcements/2000-2004.ps.gz
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Zion	2000	only	-	Apr	14	2:00	1:00	D
+Rule	Zion	2000	only	-	Oct	 6	1:00	0	S
+Rule	Zion	2001	only	-	Apr	 9	1:00	1:00	D
+Rule	Zion	2001	only	-	Sep	24	1:00	0	S
+Rule	Zion	2002	only	-	Mar	29	1:00	1:00	D
+Rule	Zion	2002	only	-	Oct	 7	1:00	0	S
+Rule	Zion	2003	only	-	Mar	28	1:00	1:00	D
+Rule	Zion	2003	only	-	Oct	 3	1:00	0	S
+Rule	Zion	2004	only	-	Apr	 7	1:00	1:00	D
+Rule	Zion	2004	only	-	Sep	22	1:00	0	S
+
+# The proposed law agreed upon by the Knesset Interior Committee on
+# 2005-02-14 is that, for 2005 and beyond, DST starts at 02:00 the
+# last Friday before April 2nd (i.e. the last Friday in March or April
+# 1st itself if it falls on a Friday) and ends at 02:00 on the Saturday
+# night _before_ the fast of Yom Kippur.
+#
+# Those who can read Hebrew can view the announcement at:
+#
+#	ftp://ftp.cs.huji.ac.il/pub/tz/announcements/2005+beyond.ps
+
+# From Paul Eggert (2005-02-22):
+# I used Ephraim Silverberg's dst-israel.el program
+#  (2005-02-20)
+# along with Ed Reingold's cal-hebrew in GNU Emacs 21.4,
+# to generate the transitions in this list.
+# (I replaced "lastFri" with "Fri>=26" by hand.)
+# The spring transitions below all correspond to the following Rule:
+#
+# Rule	Zion	2005	max	-	Mar	Fri>=26	2:00	1:00	D
+#
+# but older zic implementations (e.g., Solaris 8) do not support
+# "Fri>=26" to mean April 1 in years like 2005, so for now we list the
+# springtime transitions explicitly.
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Zion	2005	only	-	Apr	 1	2:00	1:00	D
+Rule	Zion	2005	only	-	Oct	 9	2:00	0	S
+Rule	Zion	2006	2010	-	Mar	Fri>=26	2:00	1:00	D
+Rule	Zion	2006	only	-	Oct	 1	2:00	0	S
+Rule	Zion	2007	only	-	Sep	16	2:00	0	S
+Rule	Zion	2008	only	-	Oct	 5	2:00	0	S
+Rule	Zion	2009	only	-	Sep	27	2:00	0	S
+Rule	Zion	2010	only	-	Sep	12	2:00	0	S
+Rule	Zion	2011	only	-	Apr	 1	2:00	1:00	D
+Rule	Zion	2011	only	-	Oct	 2	2:00	0	S
+Rule	Zion	2012	2015	-	Mar	Fri>=26	2:00	1:00	D
+Rule	Zion	2012	only	-	Sep	23	2:00	0	S
+Rule	Zion	2013	only	-	Sep	 8	2:00	0	S
+Rule	Zion	2014	only	-	Sep	28	2:00	0	S
+Rule	Zion	2015	only	-	Sep	20	2:00	0	S
+Rule	Zion	2016	only	-	Apr	 1	2:00	1:00	D
+Rule	Zion	2016	only	-	Oct	 9	2:00	0	S
+Rule	Zion	2017	2021	-	Mar	Fri>=26	2:00	1:00	D
+Rule	Zion	2017	only	-	Sep	24	2:00	0	S
+Rule	Zion	2018	only	-	Sep	16	2:00	0	S
+Rule	Zion	2019	only	-	Oct	 6	2:00	0	S
+Rule	Zion	2020	only	-	Sep	27	2:00	0	S
+Rule	Zion	2021	only	-	Sep	12	2:00	0	S
+Rule	Zion	2022	only	-	Apr	 1	2:00	1:00	D
+Rule	Zion	2022	only	-	Oct	 2	2:00	0	S
+Rule	Zion	2023	2032	-	Mar	Fri>=26	2:00	1:00	D
+Rule	Zion	2023	only	-	Sep	24	2:00	0	S
+Rule	Zion	2024	only	-	Oct	 6	2:00	0	S
+Rule	Zion	2025	only	-	Sep	28	2:00	0	S
+Rule	Zion	2026	only	-	Sep	20	2:00	0	S
+Rule	Zion	2027	only	-	Oct	10	2:00	0	S
+Rule	Zion	2028	only	-	Sep	24	2:00	0	S
+Rule	Zion	2029	only	-	Sep	16	2:00	0	S
+Rule	Zion	2030	only	-	Oct	 6	2:00	0	S
+Rule	Zion	2031	only	-	Sep	21	2:00	0	S
+Rule	Zion	2032	only	-	Sep	12	2:00	0	S
+Rule	Zion	2033	only	-	Apr	 1	2:00	1:00	D
+Rule	Zion	2033	only	-	Oct	 2	2:00	0	S
+Rule	Zion	2034	2037	-	Mar	Fri>=26	2:00	1:00	D
+Rule	Zion	2034	only	-	Sep	17	2:00	0	S
+Rule	Zion	2035	only	-	Oct	 7	2:00	0	S
+Rule	Zion	2036	only	-	Sep	28	2:00	0	S
+Rule	Zion	2037	only	-	Sep	13	2:00	0	S
+
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Jerusalem	2:20:56 -	LMT	1880
+			2:20:40	-	JMT	1918	# Jerusalem Mean Time?
+			2:00	Zion	I%sT
+
+
+
+###############################################################################
+
+# Japan
+
+# `9:00' and `JST' is from Guy Harris.
+
+# From Paul Eggert (1995-03-06):
+# Today's _Asahi Evening News_ (page 4) reports that Japan had
+# daylight saving between 1948 and 1951, but ``the system was discontinued
+# because the public believed it would lead to longer working hours.''
+
+# From Mayumi Negishi in the 2005-08-10 Japan Times
+# :
+# Occupation authorities imposed daylight-saving time on Japan on
+# [1948-05-01]....  But lack of prior debate and the execution of
+# daylight-saving time just three days after the bill was passed generated
+# deep hatred of the concept....  The Diet unceremoniously passed a bill to
+# dump the unpopular system in October 1951, less than a month after the San
+# Francisco Peace Treaty was signed.  (A government poll in 1951 showed 53%
+# of the Japanese wanted to scrap daylight-saving time, as opposed to 30% who
+# wanted to keep it.)
+
+# From Paul Eggert (2006-03-22):
+# Shanks & Pottenger write that DST in Japan during those years was as follows:
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Japan	1948	only	-	May	Sun>=1	2:00	1:00	D
+Rule	Japan	1948	1951	-	Sep	Sat>=8	2:00	0	S
+Rule	Japan	1949	only	-	Apr	Sun>=1	2:00	1:00	D
+Rule	Japan	1950	1951	-	May	Sun>=1	2:00	1:00	D
+# but the only locations using it (for birth certificates, presumably, since
+# their audience is astrologers) were US military bases.  For now, assume
+# that for most purposes daylight-saving time was observed; otherwise, what
+# would have been the point of the 1951 poll?
+
+# From Hideyuki Suzuki (1998-11-09):
+# 'Tokyo' usually stands for the former location of Tokyo Astronomical
+# Observatory: E 139 44' 40".90 (9h 18m 58s.727), N 35 39' 16".0.
+# This data is from 'Rika Nenpyou (Chronological Scientific Tables) 1996'
+# edited by National Astronomical Observatory of Japan....
+# JST (Japan Standard Time) has been used since 1888-01-01 00:00 (JST).
+# The law is enacted on 1886-07-07.
+
+# From Hideyuki Suzuki (1998-11-16):
+# The ordinance No. 51 (1886) established "standard time" in Japan,
+# which stands for the time on E 135 degree.
+# In the ordinance No. 167 (1895), "standard time" was renamed to "central
+# standard time".  And the same ordinance also established "western standard
+# time", which stands for the time on E 120 degree....  But "western standard
+# time" was abolished in the ordinance No. 529 (1937).  In the ordinance No.
+# 167, there is no mention regarding for what place western standard time is
+# standard....
+#
+# I wrote "ordinance" above, but I don't know how to translate.
+# In Japanese it's "chokurei", which means ordinance from emperor.
+
+# Shanks & Pottenger claim JST in use since 1896, and that a few
+# places (e.g. Ishigaki) use +0800; go with Suzuki.  Guess that all
+# ordinances took effect on Jan 1.
+
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Tokyo	9:18:59	-	LMT	1887 Dec 31 15:00u
+			9:00	-	JST	1896
+			9:00	-	CJT	1938
+			9:00	Japan	J%sT
+# Since 1938, all Japanese possessions have been like Asia/Tokyo.
+
+# Jordan
+#
+# From 
+# Jordan Week (1999-07-01)  via Steffen Thorsen (1999-09-09):
+# Clocks in Jordan were forwarded one hour on Wednesday at midnight,
+# in accordance with the government's decision to implement summer time
+# all year round.
+#
+# From 
+# Jordan Week (1999-09-30)  via Steffen Thorsen (1999-11-09):
+# Winter time starts today Thursday, 30 September. Clocks will be turned back
+# by one hour.  This is the latest government decision and it's final!
+# The decision was taken because of the increase in working hours in
+# government's departments from six to seven hours.
+#
+# From Paul Eggert (2005-11-22):
+# Starting 2003 transitions are from Steffen Thorsen's web site timeanddate.com.
+#
+# From Steffen Thorsen (2005-11-23):
+# For Jordan I have received multiple independent user reports every year
+# about DST end dates, as the end-rule is different every year.
+#
+# From Steffen Thorsen (2006-10-01), after a heads-up from Hilal Malawi:
+# http://www.petranews.gov.jo/nepras/2006/Sep/05/4000.htm
+# "Jordan will switch to winter time on Friday, October 27".
+#
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Jordan	1973	only	-	Jun	6	0:00	1:00	S
+Rule	Jordan	1973	1975	-	Oct	1	0:00	0	-
+Rule	Jordan	1974	1977	-	May	1	0:00	1:00	S
+Rule	Jordan	1976	only	-	Nov	1	0:00	0	-
+Rule	Jordan	1977	only	-	Oct	1	0:00	0	-
+Rule	Jordan	1978	only	-	Apr	30	0:00	1:00	S
+Rule	Jordan	1978	only	-	Sep	30	0:00	0	-
+Rule	Jordan	1985	only	-	Apr	1	0:00	1:00	S
+Rule	Jordan	1985	only	-	Oct	1	0:00	0	-
+Rule	Jordan	1986	1988	-	Apr	Fri>=1	0:00	1:00	S
+Rule	Jordan	1986	1990	-	Oct	Fri>=1	0:00	0	-
+Rule	Jordan	1989	only	-	May	8	0:00	1:00	S
+Rule	Jordan	1990	only	-	Apr	27	0:00	1:00	S
+Rule	Jordan	1991	only	-	Apr	17	0:00	1:00	S
+Rule	Jordan	1991	only	-	Sep	27	0:00	0	-
+Rule	Jordan	1992	only	-	Apr	10	0:00	1:00	S
+Rule	Jordan	1992	1993	-	Oct	Fri>=1	0:00	0	-
+Rule	Jordan	1993	1998	-	Apr	Fri>=1	0:00	1:00	S
+Rule	Jordan	1994	only	-	Sep	Fri>=15	0:00	0	-
+Rule	Jordan	1995	1998	-	Sep	Fri>=15	0:00s	0	-
+Rule	Jordan	1999	only	-	Jul	 1	0:00s	1:00	S
+Rule	Jordan	1999	2002	-	Sep	lastThu	0:00s	0	-
+Rule	Jordan	2000	max	-	Mar	lastThu	0:00s	1:00	S
+Rule	Jordan	2003	only	-	Oct	24	0:00s	0	-
+Rule	Jordan	2004	only	-	Oct	15	0:00s	0	-
+Rule	Jordan	2005	only	-	Sep	lastFri	0:00s	0	-
+Rule	Jordan	2006	max	-	Oct	lastFri	0:00s	0	-
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Amman	2:23:44 -	LMT	1931
+			2:00	Jordan	EE%sT
+
+
+# Kazakhstan
+
+# From Paul Eggert (1996-11-22):
+# Andrew Evtichov (1996-04-13) writes that Kazakhstan
+# stayed in sync with Moscow after 1990, and that Aqtobe (formerly Aktyubinsk)
+# and Aqtau (formerly Shevchenko) are the largest cities in their zones.
+# Guess that Aqtau and Aqtobe diverged in 1995, since that's the first time
+# IATA SSIM mentions a third time zone in Kazakhstan.
+
+# From Paul Eggert (2006-03-22):
+# German Iofis, ELSI, Almaty (2001-10-09) reports that Kazakhstan uses
+# RussiaAsia rules, instead of switching at 00:00 as the IATA has it.
+# Go with Shanks & Pottenger, who have them always using RussiaAsia rules.
+# Also go with the following claims of Shanks & Pottenger:
+#
+# - Kazakhstan did not observe DST in 1991.
+# - Qyzylorda switched from +5:00 to +6:00 on 1992-01-19 02:00.
+# - Oral switched from +5:00 to +4:00 in spring 1989.
+
+# 
+# From Kazakhstan Embassy's News Bulletin #11 (2005-03-21):
+# 
+# The Government of Kazakhstan passed a resolution March 15 abolishing
+# daylight saving time citing lack of economic benefits and health
+# complications coupled with a decrease in productivity.
+#
+# From Branislav Kojic (in Astana) via Gwillim Law (2005-06-28):
+# ... what happened was that the former Kazakhstan Eastern time zone
+# was "blended" with the Central zone.  Therefore, Kazakhstan now has
+# two time zones, and difference between them is one hour.  The zone
+# closer to UTC is the former Western zone (probably still called the
+# same), encompassing four provinces in the west: Aqtobe, Atyrau,
+# Mangghystau, and West Kazakhstan.  The other zone encompasses
+# everything else....  I guess that would make Kazakhstan time zones
+# de jure UTC+5 and UTC+6 respectively.
+
+#
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+#
+# Almaty (formerly Alma-Ata), representing most locations in Kazakhstan
+Zone	Asia/Almaty	5:07:48 -	LMT	1924 May  2 # or Alma-Ata
+			5:00	-	ALMT	1930 Jun 21 # Alma-Ata Time
+			6:00 RussiaAsia ALM%sT	1991
+			6:00	-	ALMT	1992
+			6:00 RussiaAsia	ALM%sT	2005 Mar 15
+			6:00	-	ALMT
+# Qyzylorda (aka Kyzylorda, Kizilorda, Kzyl-Orda, etc.)
+Zone	Asia/Qyzylorda	4:21:52 -	LMT	1924 May  2
+			4:00	-	KIZT	1930 Jun 21 # Kizilorda Time
+			5:00	-	KIZT	1981 Apr  1
+			5:00	1:00	KIZST	1981 Oct  1
+			6:00	-	KIZT	1982 Apr  1
+			5:00 RussiaAsia	KIZ%sT	1991
+			5:00	-	KIZT	1991 Dec 16 # independence
+			5:00	-	QYZT	1992 Jan 19 2:00
+			6:00 RussiaAsia	QYZ%sT	2005 Mar 15
+			6:00	-	QYZT
+# Aqtobe (aka Aktobe, formerly Akt'ubinsk)
+Zone	Asia/Aqtobe	3:48:40	-	LMT	1924 May  2
+			4:00	-	AKTT	1930 Jun 21 # Aktyubinsk Time
+			5:00	-	AKTT	1981 Apr  1
+			5:00	1:00	AKTST	1981 Oct  1
+			6:00	-	AKTT	1982 Apr  1
+			5:00 RussiaAsia	AKT%sT	1991
+			5:00	-	AKTT	1991 Dec 16 # independence
+			5:00 RussiaAsia	AQT%sT	2005 Mar 15 # Aqtobe Time
+			5:00	-	AQTT
+# Mangghystau
+# Aqtau was not founded until 1963, but it represents an inhabited region,
+# so include time stamps before 1963.
+Zone	Asia/Aqtau	3:21:04	-	LMT	1924 May  2
+			4:00	-	FORT	1930 Jun 21 # Fort Shevchenko T
+			5:00	-	FORT	1963
+			5:00	-	SHET	1981 Oct  1 # Shevchenko Time
+			6:00	-	SHET	1982 Apr  1
+			5:00 RussiaAsia	SHE%sT	1991
+			5:00	-	SHET	1991 Dec 16 # independence
+			5:00 RussiaAsia	AQT%sT	1995 Mar lastSun 2:00 # Aqtau Time
+			4:00 RussiaAsia	AQT%sT	2005 Mar 15
+			5:00	-	AQTT
+# West Kazakhstan
+Zone	Asia/Oral	3:25:24	-	LMT	1924 May  2 # or Ural'sk
+			4:00	-	URAT	1930 Jun 21 # Ural'sk time
+			5:00	-	URAT	1981 Apr  1
+			5:00	1:00	URAST	1981 Oct  1
+			6:00	-	URAT	1982 Apr  1
+			5:00 RussiaAsia	URA%sT	1989 Mar 26 2:00
+			4:00 RussiaAsia	URA%sT	1991
+			4:00	-	URAT	1991 Dec 16 # independence
+			4:00 RussiaAsia	ORA%sT	2005 Mar 15 # Oral Time
+			5:00	-	ORAT
+
+# Kyrgyzstan (Kirgizstan)
+# Transitions through 1991 are from Shanks & Pottenger.
+
+# From Paul Eggert (2005-08-15):
+# According to an article dated today in the Kyrgyzstan Development Gateway
+# 
+# Kyrgyzstan is canceling the daylight saving time system.  I take the article
+# to mean that they will leave their clocks at 6 hours ahead of UTC.
+# From Malik Abdugaliev (2005-09-21):
+# Our government cancels daylight saving time 6th of August 2005.
+# From 2005-08-12 our GMT-offset is +6, w/o any daylight saving.
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Kyrgyz	1992	1996	-	Apr	Sun>=7	0:00s	1:00	S
+Rule	Kyrgyz	1992	1996	-	Sep	lastSun	0:00	0	-
+Rule	Kyrgyz	1997	2005	-	Mar	lastSun	2:30	1:00	S
+Rule	Kyrgyz	1997	2004	-	Oct	lastSun	2:30	0	-
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Bishkek	4:58:24 -	LMT	1924 May  2
+			5:00	-	FRUT	1930 Jun 21 # Frunze Time
+			6:00 RussiaAsia FRU%sT	1991 Mar 31 2:00s
+			5:00	1:00	FRUST	1991 Aug 31 2:00 # independence
+			5:00	Kyrgyz	KG%sT	2005 Aug 12    # Kyrgyzstan Time
+			6:00	-	KGT
+
+###############################################################################
+
+# Korea (North and South)
+
+# From Annie I. Bang (2006-07-10) in
+# :
+# The Ministry of Commerce, Industry and Energy has already
+# commissioned a research project [to reintroduce DST] and has said
+# the system may begin as early as 2008....  Korea ran a daylight
+# saving program from 1949-61 but stopped it during the 1950-53 Korean War.
+
+# From Shanks & Pottenger:
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	ROK	1960	only	-	May	15	0:00	1:00	D
+Rule	ROK	1960	only	-	Sep	13	0:00	0	S
+Rule	ROK	1987	1988	-	May	Sun>=8	0:00	1:00	D
+Rule	ROK	1987	1988	-	Oct	Sun>=8	0:00	0	S
+
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Seoul	8:27:52	-	LMT	1890
+			8:30	-	KST	1904 Dec
+			9:00	-	KST	1928
+			8:30	-	KST	1932
+			9:00	-	KST	1954 Mar 21
+			8:00	ROK	K%sT	1961 Aug 10
+			8:30	-	KST	1968 Oct
+			9:00	ROK	K%sT
+Zone	Asia/Pyongyang	8:23:00 -	LMT	1890
+			8:30	-	KST	1904 Dec
+			9:00	-	KST	1928
+			8:30	-	KST	1932
+			9:00	-	KST	1954 Mar 21
+			8:00	-	KST	1961 Aug 10
+			9:00	-	KST
+
+###############################################################################
+
+# Kuwait
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Kuwait	3:11:56 -	LMT	1950
+			3:00	-	AST
+
+# Laos
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Vientiane	6:50:24 -	LMT	1906 Jun  9 # or Viangchan
+			7:06:20	-	SMT	1911 Mar 11 0:01 # Saigon MT?
+			7:00	-	ICT	1912 May
+			8:00	-	ICT	1931 May
+			7:00	-	ICT
+
+# Lebanon
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Lebanon	1920	only	-	Mar	28	0:00	1:00	S
+Rule	Lebanon	1920	only	-	Oct	25	0:00	0	-
+Rule	Lebanon	1921	only	-	Apr	3	0:00	1:00	S
+Rule	Lebanon	1921	only	-	Oct	3	0:00	0	-
+Rule	Lebanon	1922	only	-	Mar	26	0:00	1:00	S
+Rule	Lebanon	1922	only	-	Oct	8	0:00	0	-
+Rule	Lebanon	1923	only	-	Apr	22	0:00	1:00	S
+Rule	Lebanon	1923	only	-	Sep	16	0:00	0	-
+Rule	Lebanon	1957	1961	-	May	1	0:00	1:00	S
+Rule	Lebanon	1957	1961	-	Oct	1	0:00	0	-
+Rule	Lebanon	1972	only	-	Jun	22	0:00	1:00	S
+Rule	Lebanon	1972	1977	-	Oct	1	0:00	0	-
+Rule	Lebanon	1973	1977	-	May	1	0:00	1:00	S
+Rule	Lebanon	1978	only	-	Apr	30	0:00	1:00	S
+Rule	Lebanon	1978	only	-	Sep	30	0:00	0	-
+Rule	Lebanon	1984	1987	-	May	1	0:00	1:00	S
+Rule	Lebanon	1984	1991	-	Oct	16	0:00	0	-
+Rule	Lebanon	1988	only	-	Jun	1	0:00	1:00	S
+Rule	Lebanon	1989	only	-	May	10	0:00	1:00	S
+Rule	Lebanon	1990	1992	-	May	1	0:00	1:00	S
+Rule	Lebanon	1992	only	-	Oct	4	0:00	0	-
+Rule	Lebanon	1993	max	-	Mar	lastSun	0:00	1:00	S
+Rule	Lebanon	1993	1998	-	Sep	lastSun	0:00	0	-
+Rule	Lebanon	1999	max	-	Oct	lastSun	0:00	0	-
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Beirut	2:22:00 -	LMT	1880
+			2:00	Lebanon	EE%sT
+
+# Malaysia
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	NBorneo	1935	1941	-	Sep	14	0:00	0:20	TS # one-Third Summer
+Rule	NBorneo	1935	1941	-	Dec	14	0:00	0	-
+#
+# peninsular Malaysia
+# The data here are taken from Mok Ly Yng (2003-10-30)
+# .
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Asia/Kuala_Lumpur	6:46:46 -	LMT	1901 Jan  1
+			6:55:25	-	SMT	1905 Jun  1 # Singapore M.T.
+			7:00	-	MALT	1933 Jan  1 # Malaya Time
+			7:00	0:20	MALST	1936 Jan  1
+			7:20	-	MALT	1941 Sep  1
+			7:30	-	MALT	1942 Feb 16
+			9:00	-	JST	1945 Sep 12
+			7:30	-	MALT	1982 Jan  1
+			8:00	-	MYT	# Malaysia Time
+# Sabah & Sarawak
+# From Paul Eggert (2006-03-22):
+# The data here are mostly from Shanks & Pottenger, but the 1942, 1945 and 1982
+# transition dates are from Mok Ly Yng.
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Asia/Kuching	7:21:20	-	LMT	1926 Mar
+			7:30	-	BORT	1933	# Borneo Time
+			8:00	NBorneo	BOR%sT	1942 Feb 16
+			9:00	-	JST	1945 Sep 12
+			8:00	-	BORT	1982 Jan  1
+			8:00	-	MYT
+
+# Maldives
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Indian/Maldives	4:54:00 -	LMT	1880	# Male
+			4:54:00	-	MMT	1960	# Male Mean Time
+			5:00	-	MVT		# Maldives Time
+
+# Mongolia
+
+# Shanks & Pottenger say that Mongolia has three time zones, but
+# usno1995 and the CIA map Standard Time Zones of the World (2005-03)
+# both say that it has just one.
+
+# From Oscar van Vlijmen (1999-12-11):
+# 
+# General Information Mongolia
+#  (1999-09)
+# "Time: Mongolia has two time zones. Three westernmost provinces of
+# Bayan-Ulgii, Uvs, and Hovd are one hour earlier than the capital city, and
+# the rest of the country follows the Ulaanbaatar time, which is UTC/GMT plus
+# eight hours."
+
+# From Rives McDow (1999-12-13):
+# Mongolia discontinued the use of daylight savings time in 1999; 1998
+# being the last year it was implemented.  The dates of implementation I am
+# unsure of, but most probably it was similar to Russia, except for the time
+# of implementation may have been different....
+# Some maps in the past have indicated that there was an additional time
+# zone in the eastern part of Mongolia, including the provinces of Dornod,
+# Suhbaatar, and possibly Khentij.
+
+# From Paul Eggert (1999-12-15):
+# Naming and spelling is tricky in Mongolia.
+# We'll use Hovd (also spelled Chovd and Khovd) to represent the west zone;
+# the capital of the Hovd province is sometimes called Hovd, sometimes Dund-Us,
+# and sometimes Jirgalanta (with variant spellings), but the name Hovd
+# is good enough for our purposes.
+
+# From Rives McDow (2001-05-13):
+# In addition to Mongolia starting daylight savings as reported earlier
+# (adopted DST on 2001-04-27 02:00 local time, ending 2001-09-28),
+# there are three time zones.
+#
+# Provinces [at 7:00]: Bayan-ulgii, Uvs, Khovd, Zavkhan, Govi-Altai
+# Provinces [at 8:00]: Khovsgol, Bulgan, Arkhangai, Khentii, Tov,
+#	Bayankhongor, Ovorkhangai, Dundgovi, Dornogovi, Omnogovi
+# Provinces [at 9:00]: Dornod, Sukhbaatar
+#
+# [The province of Selenge is omitted from the above lists.]
+
+# From Ganbold Ts., Ulaanbaatar (2004-04-17):
+# Daylight saving occurs at 02:00 local time last Saturday of March.
+# It will change back to normal at 02:00 local time last Saturday of
+# September.... As I remember this rule was changed in 2001.
+#
+# From Paul Eggert (2004-04-17):
+# For now, assume Rives McDow's informant got confused about Friday vs
+# Saturday, and that his 2001 dates should have 1 added to them.
+
+# From Paul Eggert (2005-07-26):
+# We have wildly conflicting information about Mongolia's time zones.
+# Bill Bonnet (2005-05-19) reports that the US Embassy in Ulaanbaatar says
+# there is only one time zone and that DST is observed, citing Microsoft
+# Windows XP as the source.  Risto Nykanen (2005-05-16) reports that
+# travelmongolia.org says there are two time zones (UTC+7, UTC+8) with no DST.
+# Oscar van Vlijmen (2005-05-20) reports that the Mongolian Embassy in
+# Washington, DC says there are two time zones, with DST observed.
+# He also found
+# 
+# which also says that there is DST, and which has a comment by "Toddius"
+# (2005-03-31 06:05 +0700) saying "Mongolia actually has 3.5 time zones.
+# The West (OLGII) is +7 GMT, most of the country is ULAT is +8 GMT
+# and some Eastern provinces are +9 GMT but Sukhbaatar Aimag is SUHK +8.5 GMT.
+# The SUKH timezone is new this year, it is one of the few things the
+# parliament passed during the tumultuous winter session."
+# For now, let's ignore this information, until we have more confirmation.
+
+# From Ganbold Ts. (2007-02-26):
+# Parliament of Mongolia has just changed the daylight-saving rule in February.
+# They decided not to adopt daylight-saving time....
+# http://www.mongolnews.mn/index.php?module=unuudur&sec=view&id=15742
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Mongol	1983	1984	-	Apr	1	0:00	1:00	S
+Rule	Mongol	1983	only	-	Oct	1	0:00	0	-
+# Shanks & Pottenger and IATA SSIM say 1990s switches occurred at 00:00,
+# but McDow says the 2001 switches occurred at 02:00.  Also, IATA SSIM
+# (1996-09) says 1996-10-25.  Go with Shanks & Pottenger through 1998.
+#
+# Shanks & Pottenger say that the Sept. 1984 through Sept. 1990 switches
+# in Choibalsan (more precisely, in Dornod and Sukhbaatar) took place
+# at 02:00 standard time, not at 00:00 local time as in the rest of
+# the country.  That would be odd, and possibly is a result of their
+# correction of 02:00 (in the previous edition) not being done correctly
+# in the latest edition; so ignore it for now.
+
+Rule	Mongol	1985	1998	-	Mar	lastSun	0:00	1:00	S
+Rule	Mongol	1984	1998	-	Sep	lastSun	0:00	0	-
+# IATA SSIM (1999-09) says Mongolia no longer observes DST.
+Rule	Mongol	2001	only	-	Apr	lastSat	2:00	1:00	S
+Rule	Mongol	2001	2006	-	Sep	lastSat	2:00	0	-
+Rule	Mongol	2002	2006	-	Mar	lastSat	2:00	1:00	S
+
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Hovd, a.k.a. Chovd, Dund-Us, Dzhargalant, Khovd, Jirgalanta
+Zone	Asia/Hovd	6:06:36 -	LMT	1905 Aug
+			6:00	-	HOVT	1978	# Hovd Time
+			7:00	Mongol	HOV%sT
+# Ulaanbaatar, a.k.a. Ulan Bataar, Ulan Bator, Urga
+Zone	Asia/Ulaanbaatar 7:07:32 -	LMT	1905 Aug
+			7:00	-	ULAT	1978	# Ulaanbaatar Time
+			8:00	Mongol	ULA%sT
+# Choibalsan, a.k.a. Bajan Tuemen, Bajan Tumen, Chojbalsan,
+# Choybalsan, Sanbejse, Tchoibalsan
+Zone	Asia/Choibalsan	7:38:00 -	LMT	1905 Aug
+			7:00	-	ULAT	1978
+			8:00	-	ULAT	1983 Apr
+			9:00	Mongol	CHO%sT	# Choibalsan Time
+
+# Nepal
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Katmandu	5:41:16 -	LMT	1920
+			5:30	-	IST	1986
+			5:45	-	NPT	# Nepal Time
+
+# Oman
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Muscat	3:54:20 -	LMT	1920
+			4:00	-	GST
+
+# Pakistan
+
+# From Rives McDow (2002-03-13):
+# I have been advised that Pakistan has decided to adopt dst on a
+# TRIAL basis for one year, starting 00:01 local time on April 7, 2002
+# and ending at 00:01 local time October 6, 2002.  This is what I was
+# told, but I believe that the actual time of change may be 00:00; the
+# 00:01 was to make it clear which day it was on.
+
+# From Paul Eggert (2002-03-15):
+# Jesper Norgaard found this URL:
+# http://www.pak.gov.pk/public/news/app/app06_dec.htm
+# (dated 2001-12-06) which says that the Cabinet adopted a scheme "to
+# advance the clocks by one hour on the night between the first
+# Saturday and Sunday of April and revert to the original position on
+# 15th October each year".  This agrees with McDow's 04-07 at 00:00,
+# but disagrees about the October transition, and makes it sound like
+# it's not on a trial basis.  Also, the "between the first Saturday
+# and Sunday of April" phrase, if taken literally, means that the
+# transition takes place at 00:00 on the first Sunday on or after 04-02.
+
+# From Paul Eggert (2003-02-09):
+# DAWN  reported on 2002-10-05
+# that 2002 DST ended that day at midnight.  Go with McDow for now.
+
+# From Steffen Thorsen (2003-03-14):
+# According to http://www.dawn.com/2003/03/07/top15.htm
+# there will be no DST in Pakistan this year:
+#
+# ISLAMABAD, March 6: Information and Media Development Minister Sheikh
+# Rashid Ahmed on Thursday said the cabinet had reversed a previous
+# decision to advance clocks by one hour in summer and put them back by
+# one hour in winter with the aim of saving light hours and energy.
+#
+# The minister told a news conference that the experiment had rather
+# shown 8 per cent higher consumption of electricity.
+
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule Pakistan	2002	only	-	Apr	Sun>=2	0:01	1:00	S
+Rule Pakistan	2002	only	-	Oct	Sun>=2	0:01	0	-
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Karachi	4:28:12 -	LMT	1907
+			5:30	-	IST	1942 Sep
+			5:30	1:00	IST	1945 Oct 15
+			5:30	-	IST	1951 Sep 30
+			5:00	-	KART	1971 Mar 26 # Karachi Time
+			5:00 Pakistan	PK%sT	# Pakistan Time
+
+# Palestine
+
+# From Amos Shapir (1998-02-15):
+#
+# From 1917 until 1948-05-15, all of Palestine, including the parts now
+# known as the Gaza Strip and the West Bank, was under British rule.
+# Therefore the rules given for Israel for that period, apply there too...
+#
+# The Gaza Strip was under Egyptian rule between 1948-05-15 until 1967-06-05
+# (except a short occupation by Israel from 1956-11 till 1957-03, but no
+# time zone was affected then).  It was never formally annexed to Egypt,
+# though.
+#
+# The rest of Palestine was under Jordanian rule at that time, formally
+# annexed in 1950 as the West Bank (and the word "Trans" was dropped from
+# the country's previous name of "the Hashemite Kingdom of the
+# Trans-Jordan").  So the rules for Jordan for that time apply.  Major
+# towns in that area are Nablus (Shchem), El-Halil (Hebron), Ramallah, and
+# East Jerusalem.
+#
+# Both areas were occupied by Israel in June 1967, but not annexed (except
+# for East Jerusalem).  They were on Israel time since then; there might
+# have been a Military Governor's order about time zones, but I'm not aware
+# of any (such orders may have been issued semi-annually whenever summer
+# time was in effect, but maybe the legal aspect of time was just neglected).
+#
+# The Palestinian Authority was established in 1993, and got hold of most
+# towns in the West Bank and Gaza by 1995.  I know that in order to
+# demonstrate...independence, they have been switching to
+# summer time and back on a different schedule than Israel's, but I don't
+# know when this was started, or what algorithm is used (most likely the
+# Jordanian one).
+#
+# To summarize, the table should probably look something like that:
+#
+# Area \ when | 1918-1947 | 1948-1967 | 1967-1995 | 1996-
+# ------------+-----------+-----------+-----------+-----------
+# Israel      | Zion      | Zion      | Zion      | Zion
+# West bank   | Zion      | Jordan    | Zion      | Jordan
+# Gaza        | Zion      | Egypt     | Zion      | Jordan
+#
+# I guess more info may be available from the PA's web page (if/when they
+# have one).
+
+# From Paul Eggert (2006-03-22):
+# Shanks & Pottenger write that Gaza did not observe DST until 1957, but go
+# with Shapir and assume that it observed DST from 1940 through 1947,
+# and that it used Jordanian rules starting in 1996.
+# We don't yet need a separate entry for the West Bank, since
+# the only differences between it and Gaza that we know about
+# occurred before our cutoff date of 1970.
+# However, as we get more information, we may need to add entries
+# for parts of the West Bank as they transitioned from Israel's rules
+# to Palestine's rules.  If you have more info about this, please
+# send it to tz@elsie.nci.nih.gov for incorporation into future editions.
+
+# From IINS News Service - Israel - 1998-03-23 10:38:07 Israel time,
+# forwarded by Ephraim Silverberg:
+#
+# Despite the fact that Israel changed over to daylight savings time
+# last week, the PLO Authority (PA) has decided not to turn its clocks
+# one-hour forward at this time.  As a sign of independence from Israeli rule,
+# the PA has decided to implement DST in April.
+
+# From Paul Eggert (1999-09-20):
+# Daoud Kuttab writes in
+# 
+# Holiday havoc
+#  (Jerusalem Post, 1999-04-22) that
+# the Palestinian National Authority changed to DST on 1999-04-15.
+# I vaguely recall that they switch back in October (sorry, forgot the source).
+# For now, let's assume that the spring switch was at 24:00,
+# and that they switch at 0:00 on the 3rd Fridays of April and October.
+
+# From Paul Eggert (2005-11-22):
+# Starting 2004 transitions are from Steffen Thorsen's web site timeanddate.com.
+
+# From Steffen Thorsen (2005-11-23):
+# A user from Gaza reported that Gaza made the change early because of
+# the Ramadan.  Next year Ramadan will be even earlier, so I think
+# there is a good chance next year's end date will be around two weeks
+# earlier--the same goes for Jordan.
+
+# From Steffen Thorsen (2006-08-17):
+# I was informed by a user in Bethlehem that in Bethlehem it started the
+# same day as Israel, and after checking with other users in the area, I
+# was informed that they started DST one day after Israel.  I was not
+# able to find any authoritative sources at the time, nor details if
+# Gaza changed as well, but presumed Gaza to follow the same rules as
+# the West Bank.
+
+# From Steffen Thorsen (2006-09-26):
+# according to the Palestine News Network (2006-09-19):
+# http://english.pnn.ps/index.php?option=com_content&task=view&id=596&Itemid=5
+# > The Council of Ministers announced that this year its winter schedule
+# > will begin early, as of midnight Thursday.  It is also time to turn
+# > back the clocks for winter.  Friday will begin an hour late this week.
+# I guess it is likely that next year's date will be moved as well,
+# because of the Ramadan.
+
+# The rules for Egypt are stolen from the `africa' file.
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule EgyptAsia	1957	only	-	May	10	0:00	1:00	S
+Rule EgyptAsia	1957	1958	-	Oct	 1	0:00	0	-
+Rule EgyptAsia	1958	only	-	May	 1	0:00	1:00	S
+Rule EgyptAsia	1959	1967	-	May	 1	1:00	1:00	S
+Rule EgyptAsia	1959	1965	-	Sep	30	3:00	0	-
+Rule EgyptAsia	1966	only	-	Oct	 1	3:00	0	-
+
+Rule Palestine	1999	2005	-	Apr	Fri>=15	0:00	1:00	S
+Rule Palestine	1999	2003	-	Oct	Fri>=15	0:00	0	-
+Rule Palestine	2004	only	-	Oct	 1	1:00	0	-
+Rule Palestine	2005	only	-	Oct	 4	2:00	0	-
+Rule Palestine	2006	max	-	Apr	 1	0:00	1:00	S
+Rule Palestine	2006	only	-	Sep	22	0:00	0	-
+Rule Palestine	2007	max	-	Oct	Fri>=15	0:00	0	-
+
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Gaza	2:17:52	-	LMT	1900 Oct
+			2:00	Zion	EET	1948 May 15
+			2:00 EgyptAsia	EE%sT	1967 Jun  5
+			2:00	Zion	I%sT	1996
+			2:00	Jordan	EE%sT	1999
+			2:00 Palestine	EE%sT
+
+# Paracel Is
+# no information
+
+# Philippines
+# On 1844-08-16, Narciso Claveria, governor-general of the
+# Philippines, issued a proclamation announcing that 1844-12-30 was to
+# be immediately followed by 1845-01-01.  Robert H. van Gent has a
+# transcript of the decree in .
+# The rest of the data are from Shanks & Pottenger.
+
+# From Paul Eggert (2006-04-25):
+# Tomorrow's Manila Standard reports that the Philippines Department of
+# Trade and Industry is considering adopting DST this June when the
+# rainy season begins.  See
+# .
+# For now, we'll ignore this, since it's not definite and we lack details.
+#
+# From Jesper Norgaard Welen (2006-04-26):
+# ... claims that Philippines had DST last time in 1990:
+# http://story.philippinetimes.com/p.x/ct/9/id/145be20cc6b121c0/cid/3e5bbccc730d258c/
+# [a story dated 2006-04-25 by Cris Larano of Dow Jones Newswires,
+# but no details]
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Phil	1936	only	-	Nov	1	0:00	1:00	S
+Rule	Phil	1937	only	-	Feb	1	0:00	0	-
+Rule	Phil	1954	only	-	Apr	12	0:00	1:00	S
+Rule	Phil	1954	only	-	Jul	1	0:00	0	-
+Rule	Phil	1978	only	-	Mar	22	0:00	1:00	S
+Rule	Phil	1978	only	-	Sep	21	0:00	0	-
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Manila	-15:56:00 -	LMT	1844 Dec 31
+			8:04:00 -	LMT	1899 May 11
+			8:00	Phil	PH%sT	1942 May
+			9:00	-	JST	1944 Nov
+			8:00	Phil	PH%sT
+
+# Qatar
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Qatar	3:26:08 -	LMT	1920	# Al Dawhah / Doha
+			4:00	-	GST	1972 Jun
+			3:00	-	AST
+
+# Saudi Arabia
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Riyadh	3:06:52 -	LMT	1950
+			3:00	-	AST
+
+# Singapore
+# The data here are taken from Mok Ly Yng (2003-10-30)
+# .
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Singapore	6:55:25 -	LMT	1901 Jan  1
+			6:55:25	-	SMT	1905 Jun  1 # Singapore M.T.
+			7:00	-	MALT	1933 Jan  1 # Malaya Time
+			7:00	0:20	MALST	1936 Jan  1
+			7:20	-	MALT	1941 Sep  1
+			7:30	-	MALT	1942 Feb 16
+			9:00	-	JST	1945 Sep 12
+			7:30	-	MALT	1965 Aug  9 # independence
+			7:30	-	SGT	1982 Jan  1 # Singapore Time
+			8:00	-	SGT
+
+# Spratly Is
+# no information
+
+# Sri Lanka
+# From Paul Eggert (1996-09-03):
+# "Sri Lanka advances clock by an hour to avoid blackout"
+# (www.virtual-pc.com/lankaweb/news/items/240596-2.html, 1996-05-24,
+# no longer available as of 1999-08-17)
+# reported ``the country's standard time will be put forward by one hour at
+# midnight Friday (1830 GMT) `in the light of the present power crisis'.''
+#
+# From Dharmasiri Senanayake, Sri Lanka Media Minister (1996-10-24), as quoted
+# by Shamindra in
+# 
+# Daily News - Hot News Section (1996-10-26)
+# :
+# With effect from 12.30 a.m. on 26th October 1996
+# Sri Lanka will be six (06) hours ahead of GMT.
+
+# From Jesper Norgaard Welen (2006-04-14), quoting Sri Lanka News Online
+#  (2006-04-13):
+# 0030 hrs on April 15, 2006 (midnight of April 14, 2006 +30 minutes)
+# at present, become 2400 hours of April 14, 2006 (midnight of April 14, 2006).
+
+# From Peter Apps and Ranga Sirila of Reuters (2006-04-12) in:
+# 
+# [The Tamil Tigers] never accepted the original 1996 time change and simply
+# kept their clocks set five and a half hours ahead of Greenwich Mean
+# Time (GMT), in line with neighbor India.
+# From Paul Eggert (2006-04-18):
+# People who live in regions under Tamil control can use TZ='Asia/Calcutta',
+# as that zone has agreed with the Tamil areas since our cutoff date of 1970.
+
+# From K Sethu (2006-04-25):
+# I think the abbreviation LKT originated from the world of computers at
+# the time of or subsequent to the time zone changes by SL Government
+# twice in 1996 and probably SL Government or its standardization
+# agencies never declared an abbreviation as a national standard.
+#
+# I recollect before the recent change the government annoucemments
+# mentioning it as simply changing Sri Lanka Standard Time or Sri Lanka
+# Time and no mention was made about the abbreviation.
+#
+# If we look at Sri Lanka Department of Government's "Official News
+# Website of Sri Lanka" ... http://www.news.lk/ we can see that they
+# use SLT as abbreviation in time stamp at the beginning of each news
+# item....
+#
+# Within Sri Lanka I think LKT is well known among computer users and
+# adminsitrators.  In my opinion SLT may not be a good choice because the
+# nation's largest telcom / internet operator Sri Lanka Telcom is well
+# known by that abbreviation - simply as SLT (there IP domains are
+# slt.lk and sltnet.lk).
+#
+# But if indeed our government has adopted SLT as standard abbreviation
+# (that we have not known so far) then  it is better that it be used for
+# all computers.
+
+# From Paul Eggert (2006-04-25):
+# One possibility is that we wait for a bit for the dust to settle down
+# and then see what people actually say in practice.
+
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Colombo	5:19:24 -	LMT	1880
+			5:19:32	-	MMT	1906	# Moratuwa Mean Time
+			5:30	-	IST	1942 Jan  5
+			5:30	0:30	IHST	1942 Sep
+			5:30	1:00	IST	1945 Oct 16 2:00
+			5:30	-	IST	1996 May 25 0:00
+			6:30	-	LKT	1996 Oct 26 0:30
+			6:00	-	LKT	2006 Apr 15 0:30
+			5:30	-	IST
+
+# Syria
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Syria	1920	1923	-	Apr	Sun>=15	2:00	1:00	S
+Rule	Syria	1920	1923	-	Oct	Sun>=1	2:00	0	-
+Rule	Syria	1962	only	-	Apr	29	2:00	1:00	S
+Rule	Syria	1962	only	-	Oct	1	2:00	0	-
+Rule	Syria	1963	1965	-	May	1	2:00	1:00	S
+Rule	Syria	1963	only	-	Sep	30	2:00	0	-
+Rule	Syria	1964	only	-	Oct	1	2:00	0	-
+Rule	Syria	1965	only	-	Sep	30	2:00	0	-
+Rule	Syria	1966	only	-	Apr	24	2:00	1:00	S
+Rule	Syria	1966	1976	-	Oct	1	2:00	0	-
+Rule	Syria	1967	1978	-	May	1	2:00	1:00	S
+Rule	Syria	1977	1978	-	Sep	1	2:00	0	-
+Rule	Syria	1983	1984	-	Apr	9	2:00	1:00	S
+Rule	Syria	1983	1984	-	Oct	1	2:00	0	-
+Rule	Syria	1986	only	-	Feb	16	2:00	1:00	S
+Rule	Syria	1986	only	-	Oct	9	2:00	0	-
+Rule	Syria	1987	only	-	Mar	1	2:00	1:00	S
+Rule	Syria	1987	1988	-	Oct	31	2:00	0	-
+Rule	Syria	1988	only	-	Mar	15	2:00	1:00	S
+Rule	Syria	1989	only	-	Mar	31	2:00	1:00	S
+Rule	Syria	1989	only	-	Oct	1	2:00	0	-
+Rule	Syria	1990	only	-	Apr	1	2:00	1:00	S
+Rule	Syria	1990	only	-	Sep	30	2:00	0	-
+Rule	Syria	1991	only	-	Apr	 1	0:00	1:00	S
+Rule	Syria	1991	1992	-	Oct	 1	0:00	0	-
+Rule	Syria	1992	only	-	Apr	 8	0:00	1:00	S
+Rule	Syria	1993	only	-	Mar	26	0:00	1:00	S
+Rule	Syria	1993	only	-	Sep	25	0:00	0	-
+# IATA SSIM (1998-02) says 1998-04-02;
+# (1998-09) says 1999-03-29 and 1999-09-29; (1999-02) says 1999-04-02,
+# 2000-04-02, and 2001-04-02; (1999-09) says 2000-03-31 and 2001-03-31;
+# (2006) says 2006-03-31 and 2006-09-22;
+# for now ignore all these claims and go with Shanks & Pottenger,
+# except for the 2006-09-22 claim (which seems right for Ramadan).
+Rule	Syria	1994	1996	-	Apr	 1	0:00	1:00	S
+Rule	Syria	1994	2005	-	Oct	 1	0:00	0	-
+Rule	Syria	1997	1998	-	Mar	lastMon	0:00	1:00	S
+Rule	Syria	1999	max	-	Apr	 1	0:00	1:00	S
+# From Stephen Colebourne (2006-09-18):
+# According to IATA data, Syria will change DST on 21st September [21:00 UTC]
+# this year [only]....  This is probably related to Ramadan, like Egypt.
+Rule	Syria	2006	only	-	Sep	22	0:00	0	-
+Rule	Syria	2007	max	-	Oct	 1	0:00	0	-
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Damascus	2:25:12 -	LMT	1920	# Dimashq
+			2:00	Syria	EE%sT
+
+# Tajikistan
+# From Shanks & Pottenger.
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Dushanbe	4:35:12 -	LMT	1924 May  2
+			5:00	-	DUST	1930 Jun 21 # Dushanbe Time
+			6:00 RussiaAsia DUS%sT	1991 Mar 31 2:00s
+			5:00	1:00	DUSST	1991 Sep  9 2:00s
+			5:00	-	TJT		    # Tajikistan Time
+
+# Thailand
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Bangkok	6:42:04	-	LMT	1880
+			6:42:04	-	BMT	1920 Apr # Bangkok Mean Time
+			7:00	-	ICT
+
+# Turkmenistan
+# From Shanks & Pottenger.
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Ashgabat	3:53:32 -	LMT	1924 May  2 # or Ashkhabad
+			4:00	-	ASHT	1930 Jun 21 # Ashkhabad Time
+			5:00 RussiaAsia	ASH%sT	1991 Mar 31 2:00
+			4:00 RussiaAsia	ASH%sT	1991 Oct 27 # independence
+			4:00 RussiaAsia	TM%sT	1992 Jan 19 2:00
+			5:00	-	TMT
+
+# United Arab Emirates
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Dubai	3:41:12 -	LMT	1920
+			4:00	-	GST
+
+# Uzbekistan
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Samarkand	4:27:12 -	LMT	1924 May  2
+			4:00	-	SAMT	1930 Jun 21 # Samarkand Time
+			5:00	-	SAMT	1981 Apr  1
+			5:00	1:00	SAMST	1981 Oct  1
+			6:00	-	TAST	1982 Apr  1 # Tashkent Time
+			5:00 RussiaAsia	SAM%sT	1991 Sep  1 # independence
+			5:00 RussiaAsia	UZ%sT	1992
+			5:00	-	UZT
+Zone	Asia/Tashkent	4:37:12 -	LMT	1924 May  2
+			5:00	-	TAST	1930 Jun 21 # Tashkent Time
+			6:00 RussiaAsia	TAS%sT	1991 Mar 31 2:00
+			5:00 RussiaAsia	TAS%sT	1991 Sep  1 # independence
+			5:00 RussiaAsia	UZ%sT	1992
+			5:00	-	UZT
+
+# Vietnam
+
+# From Paul Eggert (1993-11-18):
+# Saigon's official name is Thanh-Pho Ho Chi Minh, but it's too long.
+# We'll stick with the traditional name for now.
+
+# From Shanks & Pottenger:
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Saigon	7:06:40 -	LMT	1906 Jun  9
+			7:06:20	-	SMT	1911 Mar 11 0:01 # Saigon MT?
+			7:00	-	ICT	1912 May
+			8:00	-	ICT	1931 May
+			7:00	-	ICT
+
+# Yemen
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Asia/Aden	3:00:48	-	LMT	1950
+			3:00	-	AST
diff --git a/commands/zoneinfo/australasia b/commands/zoneinfo/australasia
new file mode 100644
index 000000000..40b0bf65f
--- /dev/null
+++ b/commands/zoneinfo/australasia
@@ -0,0 +1,1431 @@
+# @(#)australasia	8.6
+# 
+
+# This file also includes Pacific islands.
+
+# Notes are at the end of this file
+
+###############################################################################
+
+# Australia
+
+# Please see the notes below for the controversy about "EST" versus "AEST" etc.
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Aus	1917	only	-	Jan	 1	0:01	1:00	-
+Rule	Aus	1917	only	-	Mar	25	2:00	0	-
+Rule	Aus	1942	only	-	Jan	 1	2:00	1:00	-
+Rule	Aus	1942	only	-	Mar	29	2:00	0	-
+Rule	Aus	1942	only	-	Sep	27	2:00	1:00	-
+Rule	Aus	1943	1944	-	Mar	lastSun	2:00	0	-
+Rule	Aus	1943	only	-	Oct	 3	2:00	1:00	-
+# Go with Whitman and the Australian National Standards Commission, which
+# says W Australia didn't use DST in 1943/1944.  Ignore Whitman's claim that
+# 1944/1945 was just like 1943/1944.
+
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Northern Territory
+Zone Australia/Darwin	 8:43:20 -	LMT	1895 Feb
+			 9:00	-	CST	1899 May
+			 9:30	Aus	CST
+# Western Australia
+#
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	AW	1974	only	-	Oct	lastSun	2:00s	1:00	-
+Rule	AW	1975	only	-	Mar	Sun>=1	2:00s	0	-
+Rule	AW	1983	only	-	Oct	lastSun	2:00s	1:00	-
+Rule	AW	1984	only	-	Mar	Sun>=1	2:00s	0	-
+Rule	AW	1991	only	-	Nov	17	2:00s	1:00	-
+Rule	AW	1992	only	-	Mar	Sun>=1	2:00s	0	-
+Rule	AW	2006	only	-	Dec	 3	2:00s	1:00	-
+Rule	AW	2007	2009	-	Mar	lastSun	2:00s	0	-
+Rule	AW	2007	2008	-	Oct	lastSun	2:00s	1:00	-
+Zone Australia/Perth	 7:43:24 -	LMT	1895 Dec
+			 8:00	Aus	WST	1943 Jul
+			 8:00	AW	WST
+Zone Australia/Eucla	 8:35:28 -	LMT	1895 Dec
+			 8:45	Aus	CWST	1943 Jul
+			 8:45	AW	CWST
+
+# Queensland
+#
+# From Alex Livingston (1996-11-01):
+# I have heard or read more than once that some resort islands off the coast
+# of Queensland chose to keep observing daylight-saving time even after
+# Queensland ceased to.
+#
+# From Paul Eggert (1996-11-22):
+# IATA SSIM (1993-02/1994-09) say that the Holiday Islands (Hayman, Lindeman,
+# Hamilton) observed DST for two years after the rest of Queensland stopped.
+# Hamilton is the largest, but there is also a Hamilton in Victoria,
+# so use Lindeman.
+#
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	AQ	1971	only	-	Oct	lastSun	2:00s	1:00	-
+Rule	AQ	1972	only	-	Feb	lastSun	2:00s	0	-
+Rule	AQ	1989	1991	-	Oct	lastSun	2:00s	1:00	-
+Rule	AQ	1990	1992	-	Mar	Sun>=1	2:00s	0	-
+Rule	Holiday	1992	1993	-	Oct	lastSun	2:00s	1:00	-
+Rule	Holiday	1993	1994	-	Mar	Sun>=1	2:00s	0	-
+Zone Australia/Brisbane	10:12:08 -	LMT	1895
+			10:00	Aus	EST	1971
+			10:00	AQ	EST
+Zone Australia/Lindeman  9:55:56 -	LMT	1895
+			10:00	Aus	EST	1971
+			10:00	AQ	EST	1992 Jul
+			10:00	Holiday	EST
+
+# South Australia
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	AS	1971	1985	-	Oct	lastSun	2:00s	1:00	-
+Rule	AS	1986	only	-	Oct	19	2:00s	1:00	-
+Rule	AS	1987	max	-	Oct	lastSun	2:00s	1:00	-
+Rule	AS	1972	only	-	Feb	27	2:00s	0	-
+Rule	AS	1973	1985	-	Mar	Sun>=1	2:00s	0	-
+Rule	AS	1986	1989	-	Mar	Sun>=15	2:00s	0	-
+Rule	AS	1990	only	-	Mar	Sun>=18	2:00s	0	-
+Rule	AS	1991	only	-	Mar	Sun>=1	2:00s	0	-
+Rule	AS	1992	only	-	Mar	Sun>=18	2:00s	0	-
+Rule	AS	1993	only	-	Mar	Sun>=1	2:00s	0	-
+Rule	AS	1994	only	-	Mar	Sun>=18	2:00s	0	-
+Rule	AS	1995	2005	-	Mar	lastSun	2:00s	0	-
+Rule	AS	2006	only	-	Apr	Sun>=1	2:00s	0	-
+Rule	AS	2007	max	-	Mar	lastSun	2:00s	0	-
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Australia/Adelaide	9:14:20 -	LMT	1895 Feb
+			9:00	-	CST	1899 May
+			9:30	Aus	CST	1971
+			9:30	AS	CST
+
+# Tasmania
+#
+# From Paul Eggert (2005-08-16):
+# 
+# says King Island didn't observe DST from WWII until late 1971.
+#
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	AT	1967	only	-	Oct	Sun>=1	2:00s	1:00	-
+Rule	AT	1968	only	-	Mar	lastSun	2:00s	0	-
+Rule	AT	1968	1985	-	Oct	lastSun	2:00s	1:00	-
+Rule	AT	1969	1971	-	Mar	Sun>=8	2:00s	0	-
+Rule	AT	1972	only	-	Feb	lastSun	2:00s	0	-
+Rule	AT	1973	1981	-	Mar	Sun>=1	2:00s	0	-
+Rule	AT	1982	1983	-	Mar	lastSun	2:00s	0	-
+Rule	AT	1984	1986	-	Mar	Sun>=1	2:00s	0	-
+Rule	AT	1986	only	-	Oct	Sun>=15	2:00s	1:00	-
+Rule	AT	1987	1990	-	Mar	Sun>=15	2:00s	0	-
+Rule	AT	1987	only	-	Oct	Sun>=22	2:00s	1:00	-
+Rule	AT	1988	1990	-	Oct	lastSun	2:00s	1:00	-
+Rule	AT	1991	1999	-	Oct	Sun>=1	2:00s	1:00	-
+Rule	AT	1991	2005	-	Mar	lastSun	2:00s	0	-
+Rule	AT	2000	only	-	Aug	lastSun	2:00s	1:00	-
+Rule	AT	2001	max	-	Oct	Sun>=1	2:00s	1:00	-
+Rule	AT	2006	only	-	Apr	Sun>=1	2:00s	0	-
+Rule	AT	2007	max	-	Mar	lastSun	2:00s	0	-
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Australia/Hobart	9:49:16	-	LMT	1895 Sep
+			10:00	-	EST	1916 Oct 1 2:00
+			10:00	1:00	EST	1917 Feb
+			10:00	Aus	EST	1967
+			10:00	AT	EST
+Zone Australia/Currie	9:35:28	-	LMT	1895 Sep
+			10:00	-	EST	1916 Oct 1 2:00
+			10:00	1:00	EST	1917 Feb
+			10:00	Aus	EST	1971 Jul
+			10:00	AT	EST
+
+# Victoria
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	AV	1971	1985	-	Oct	lastSun	2:00s	1:00	-
+Rule	AV	1972	only	-	Feb	lastSun	2:00s	0	-
+Rule	AV	1973	1985	-	Mar	Sun>=1	2:00s	0	-
+Rule	AV	1986	1990	-	Mar	Sun>=15	2:00s	0	-
+Rule	AV	1986	1987	-	Oct	Sun>=15	2:00s	1:00	-
+Rule	AV	1988	1999	-	Oct	lastSun	2:00s	1:00	-
+Rule	AV	1991	1994	-	Mar	Sun>=1	2:00s	0	-
+Rule	AV	1995	2005	-	Mar	lastSun	2:00s	0	-
+Rule	AV	2000	only	-	Aug	lastSun	2:00s	1:00	-
+Rule	AV	2001	max	-	Oct	lastSun	2:00s	1:00	-
+Rule	AV	2006	only	-	Apr	Sun>=1	2:00s	0	-
+Rule	AV	2007	max	-	Mar	lastSun	2:00s	0	-
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Australia/Melbourne 9:39:52 -	LMT	1895 Feb
+			10:00	Aus	EST	1971
+			10:00	AV	EST
+
+# New South Wales
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	AN	1971	1985	-	Oct	lastSun	2:00s	1:00	-
+Rule	AN	1972	only	-	Feb	27	2:00s	0	-
+Rule	AN	1973	1981	-	Mar	Sun>=1	2:00s	0	-
+Rule	AN	1982	only	-	Apr	Sun>=1	2:00s	0	-
+Rule	AN	1983	1985	-	Mar	Sun>=1	2:00s	0	-
+Rule	AN	1986	1989	-	Mar	Sun>=15	2:00s	0	-
+Rule	AN	1986	only	-	Oct	19	2:00s	1:00	-
+Rule	AN	1987	1999	-	Oct	lastSun	2:00s	1:00	-
+Rule	AN	1990	1995	-	Mar	Sun>=1	2:00s	0	-
+Rule	AN	1996	2005	-	Mar	lastSun	2:00s	0	-
+Rule	AN	2000	only	-	Aug	lastSun	2:00s	1:00	-
+Rule	AN	2001	max	-	Oct	lastSun	2:00s	1:00	-
+Rule	AN	2006	only	-	Apr	Sun>=1	2:00s	0	-
+Rule	AN	2007	max	-	Mar	lastSun	2:00s	0	-
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Australia/Sydney	10:04:52 -	LMT	1895 Feb
+			10:00	Aus	EST	1971
+			10:00	AN	EST
+Zone Australia/Broken_Hill 9:25:48 -	LMT	1895 Feb
+			10:00	-	EST	1896 Aug 23
+			9:00	-	CST	1899 May
+			9:30	Aus	CST	1971
+			9:30	AN	CST	2000
+			9:30	AS	CST
+
+# Lord Howe Island
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	LH	1981	1984	-	Oct	lastSun	2:00	1:00	-
+Rule	LH	1982	1985	-	Mar	Sun>=1	2:00	0	-
+Rule	LH	1985	only	-	Oct	lastSun	2:00	0:30	-
+Rule	LH	1986	1989	-	Mar	Sun>=15	2:00	0	-
+Rule	LH	1986	only	-	Oct	19	2:00	0:30	-
+Rule	LH	1987	1999	-	Oct	lastSun	2:00	0:30	-
+Rule	LH	1990	1995	-	Mar	Sun>=1	2:00	0	-
+Rule	LH	1996	2005	-	Mar	lastSun	2:00	0	-
+Rule	LH	2000	only	-	Aug	lastSun	2:00	0:30	-
+Rule	LH	2001	max	-	Oct	lastSun	2:00	0:30	-
+Rule	LH	2006	only	-	Apr	Sun>=1	2:00	0	-
+Rule	LH	2007	max	-	Mar	lastSun	2:00	0	-
+Zone Australia/Lord_Howe 10:36:20 -	LMT	1895 Feb
+			10:00	-	EST	1981 Mar
+			10:30	LH	LHST
+
+# Australian miscellany
+#
+# Ashmore Is, Cartier
+# no indigenous inhabitants; only seasonal caretakers
+# no times are set
+#
+# Coral Sea Is
+# no indigenous inhabitants; only meteorologists
+# no times are set
+#
+# Macquarie
+# permanent occupation (scientific station) since 1948;
+# sealing and penguin oil station operated 1888/1917
+# like Australia/Hobart
+
+# Christmas
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Indian/Christmas	7:02:52 -	LMT	1895 Feb
+			7:00	-	CXT	# Christmas Island Time
+
+# Cook Is
+# From Shanks & Pottenger:
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Cook	1978	only	-	Nov	12	0:00	0:30	HS
+Rule	Cook	1979	1991	-	Mar	Sun>=1	0:00	0	-
+Rule	Cook	1979	1990	-	Oct	lastSun	0:00	0:30	HS
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Pacific/Rarotonga	-10:39:04 -	LMT	1901		# Avarua
+			-10:30	-	CKT	1978 Nov 12	# Cook Is Time
+			-10:00	Cook	CK%sT
+
+# Cocos
+# These islands were ruled by the Ross family from about 1830 to 1978.
+# We don't know when standard time was introduced; for now, we guess 1900.
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Indian/Cocos	6:27:40	-	LMT	1900
+			6:30	-	CCT	# Cocos Islands Time
+
+# Fiji
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Fiji	1998	1999	-	Nov	Sun>=1	2:00	1:00	S
+Rule	Fiji	1999	2000	-	Feb	lastSun	3:00	0	-
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Pacific/Fiji	11:53:40 -	LMT	1915 Oct 26	# Suva
+			12:00	Fiji	FJ%sT	# Fiji Time
+
+# French Polynesia
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Pacific/Gambier	 -8:59:48 -	LMT	1912 Oct	# Rikitea
+			 -9:00	-	GAMT	# Gambier Time
+Zone	Pacific/Marquesas -9:18:00 -	LMT	1912 Oct
+			 -9:30	-	MART	# Marquesas Time
+Zone	Pacific/Tahiti	 -9:58:16 -	LMT	1912 Oct	# Papeete
+			-10:00	-	TAHT	# Tahiti Time
+# Clipperton (near North America) is administered from French Polynesia;
+# it is uninhabited.
+
+# Guam
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Pacific/Guam	-14:21:00 -	LMT	1844 Dec 31
+			 9:39:00 -	LMT	1901		# Agana
+			10:00	-	GST	2000 Dec 23	# Guam
+			10:00	-	ChST	# Chamorro Standard Time
+
+# Kiribati
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Pacific/Tarawa	 11:32:04 -	LMT	1901		# Bairiki
+			 12:00	-	GILT		 # Gilbert Is Time
+Zone Pacific/Enderbury	-11:24:20 -	LMT	1901
+			-12:00	-	PHOT	1979 Oct # Phoenix Is Time
+			-11:00	-	PHOT	1995
+			 13:00	-	PHOT
+Zone Pacific/Kiritimati	-10:29:20 -	LMT	1901
+			-10:40	-	LINT	1979 Oct # Line Is Time
+			-10:00	-	LINT	1995
+			 14:00	-	LINT
+
+# N Mariana Is
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Pacific/Saipan	-14:17:00 -	LMT	1844 Dec 31
+			 9:43:00 -	LMT	1901
+			 9:00	-	MPT	1969 Oct # N Mariana Is Time
+			10:00	-	MPT	2000 Dec 23
+			10:00	-	ChST	# Chamorro Standard Time
+
+# Marshall Is
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Pacific/Majuro	11:24:48 -	LMT	1901
+			11:00	-	MHT	1969 Oct # Marshall Islands Time
+			12:00	-	MHT
+Zone Pacific/Kwajalein	11:09:20 -	LMT	1901
+			11:00	-	MHT	1969 Oct
+			-12:00	-	KWAT	1993 Aug 20	# Kwajalein Time
+			12:00	-	MHT
+
+# Micronesia
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Pacific/Truk	10:07:08 -	LMT	1901
+			10:00	-	TRUT			# Truk Time
+Zone Pacific/Ponape	10:32:52 -	LMT	1901		# Kolonia
+			11:00	-	PONT			# Ponape Time
+Zone Pacific/Kosrae	10:51:56 -	LMT	1901
+			11:00	-	KOST	1969 Oct	# Kosrae Time
+			12:00	-	KOST	1999
+			11:00	-	KOST
+
+# Nauru
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Pacific/Nauru	11:07:40 -	LMT	1921 Jan 15	# Uaobe
+			11:30	-	NRT	1942 Mar 15	# Nauru Time
+			9:00	-	JST	1944 Aug 15
+			11:30	-	NRT	1979 May
+			12:00	-	NRT
+
+# New Caledonia
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	NC	1977	1978	-	Dec	Sun>=1	0:00	1:00	S
+Rule	NC	1978	1979	-	Feb	27	0:00	0	-
+Rule	NC	1996	only	-	Dec	 1	2:00s	1:00	S
+# Shanks & Pottenger say the following was at 2:00; go with IATA.
+Rule	NC	1997	only	-	Mar	 2	2:00s	0	-
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Pacific/Noumea	11:05:48 -	LMT	1912 Jan 13
+			11:00	NC	NC%sT
+
+
+###############################################################################
+
+# New Zealand
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	NZ	1927	only	-	Nov	 6	2:00	1:00	S
+Rule	NZ	1928	only	-	Mar	 4	2:00	0	M
+Rule	NZ	1928	1933	-	Oct	Sun>=8	2:00	0:30	S
+Rule	NZ	1929	1933	-	Mar	Sun>=15	2:00	0	M
+Rule	NZ	1934	1940	-	Apr	lastSun	2:00	0	M
+Rule	NZ	1934	1940	-	Sep	lastSun	2:00	0:30	S
+Rule	NZ	1946	only	-	Jan	 1	0:00	0	S
+# Since 1957 Chatham has been 45 minutes ahead of NZ, but there's no
+# convenient notation for this so we must duplicate the Rule lines.
+Rule	NZ	1974	only	-	Nov	Sun>=1	2:00s	1:00	D
+Rule	Chatham	1974	only	-	Nov	Sun>=1	2:45s	1:00	D
+Rule	NZ	1975	only	-	Feb	lastSun	2:00s	0	S
+Rule	Chatham	1975	only	-	Feb	lastSun	2:45s	0	S
+Rule	NZ	1975	1988	-	Oct	lastSun	2:00s	1:00	D
+Rule	Chatham	1975	1988	-	Oct	lastSun	2:45s	1:00	D
+Rule	NZ	1976	1989	-	Mar	Sun>=1	2:00s	0	S
+Rule	Chatham	1976	1989	-	Mar	Sun>=1	2:45s	0	S
+Rule	NZ	1989	only	-	Oct	Sun>=8	2:00s	1:00	D
+Rule	Chatham	1989	only	-	Oct	Sun>=8	2:45s	1:00	D
+Rule	NZ	1990	max	-	Oct	Sun>=1	2:00s	1:00	D
+Rule	Chatham	1990	max	-	Oct	Sun>=1	2:45s	1:00	D
+Rule	NZ	1990	max	-	Mar	Sun>=15	2:00s	0	S
+Rule	Chatham	1990	max	-	Mar	Sun>=15	2:45s	0	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Pacific/Auckland	11:39:04 -	LMT	1868 Nov  2
+			11:30	NZ	NZ%sT	1946 Jan  1
+			12:00	NZ	NZ%sT
+Zone Pacific/Chatham	12:13:48 -	LMT	1957 Jan  1
+			12:45	Chatham	CHA%sT
+
+
+# Auckland Is
+# uninhabited; Maori and Moriori, colonial settlers, pastoralists, sealers,
+# and scientific personnel have wintered
+
+# Campbell I
+# minor whaling stations operated 1909/1914
+# scientific station operated 1941/1995;
+# previously whalers, sealers, pastoralists, and scientific personnel wintered
+# was probably like Pacific/Auckland
+
+###############################################################################
+
+
+# Niue
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Pacific/Niue	-11:19:40 -	LMT	1901		# Alofi
+			-11:20	-	NUT	1951	# Niue Time
+			-11:30	-	NUT	1978 Oct 1
+			-11:00	-	NUT
+
+# Norfolk
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Pacific/Norfolk	11:11:52 -	LMT	1901		# Kingston
+			11:12	-	NMT	1951	# Norfolk Mean Time
+			11:30	-	NFT		# Norfolk Time
+
+# Palau (Belau)
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Pacific/Palau	8:57:56 -	LMT	1901		# Koror
+			9:00	-	PWT	# Palau Time
+
+# Papua New Guinea
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Pacific/Port_Moresby 9:48:40 -	LMT	1880
+			9:48:32	-	PMMT	1895	# Port Moresby Mean Time
+			10:00	-	PGT		# Papua New Guinea Time
+
+# Pitcairn
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Pacific/Pitcairn	-8:40:20 -	LMT	1901		# Adamstown
+			-8:30	-	PNT	1998 Apr 27 00:00
+			-8:00	-	PST	# Pitcairn Standard Time
+
+# American Samoa
+Zone Pacific/Pago_Pago	 12:37:12 -	LMT	1879 Jul  5
+			-11:22:48 -	LMT	1911
+			-11:30	-	SAMT	1950		# Samoa Time
+			-11:00	-	NST	1967 Apr	# N=Nome
+			-11:00	-	BST	1983 Nov 30	# B=Bering
+			-11:00	-	SST			# S=Samoa
+
+# Samoa
+Zone Pacific/Apia	 12:33:04 -	LMT	1879 Jul  5
+			-11:26:56 -	LMT	1911
+			-11:30	-	SAMT	1950		# Samoa Time
+			-11:00	-	WST			# Samoa Time
+
+# Solomon Is
+# excludes Bougainville, for which see Papua New Guinea
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Pacific/Guadalcanal 10:39:48 -	LMT	1912 Oct	# Honiara
+			11:00	-	SBT	# Solomon Is Time
+
+# Tokelau Is
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Pacific/Fakaofo	-11:24:56 -	LMT	1901
+			-10:00	-	TKT	# Tokelau Time
+
+# Tonga
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Tonga	1999	only	-	Oct	 7	2:00s	1:00	S
+Rule	Tonga	2000	only	-	Mar	19	2:00s	0	-
+Rule	Tonga	2000	2001	-	Nov	Sun>=1	2:00	1:00	S
+Rule	Tonga	2001	2002	-	Jan	lastSun	2:00	0	-
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Pacific/Tongatapu	12:19:20 -	LMT	1901
+			12:20	-	TOT	1941 # Tonga Time
+			13:00	-	TOT	1999
+			13:00	Tonga	TO%sT
+
+# Tuvalu
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Pacific/Funafuti	11:56:52 -	LMT	1901
+			12:00	-	TVT	# Tuvalu Time
+
+
+# US minor outlying islands
+
+# Howland, Baker
+# uninhabited since World War II
+# no information; was probably like Pacific/Pago_Pago
+
+# Jarvis
+# uninhabited since 1958
+# no information; was probably like Pacific/Kiritimati
+
+# Johnston
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Pacific/Johnston	-10:00	-	HST
+
+# Kingman
+# uninhabited
+
+# Midway
+#
+# From Mark Brader (2005-01-23):
+# [Fallacies and Fantasies of Air Transport History, by R.E.G. Davies,
+# published 1994 by Paladwr Press, McLean, VA, USA; ISBN 0-9626483-5-3]
+# reproduced a Pan American Airways timeables from 1936, for their weekly
+# "Orient Express" flights between San Francisco and Manila, and connecting
+# flights to Chicago and the US East Coast.  As it uses some time zone
+# designations that I've never seen before:....
+# Fri. 6:30A Lv. HONOLOLU (Pearl Harbor), H.I.   H.L.T. Ar. 5:30P Sun.
+#  "   3:00P Ar. MIDWAY ISLAND . . . . . . . . . M.L.T. Lv. 6:00A  "
+#
+Zone Pacific/Midway	-11:49:28 -	LMT	1901
+			-11:00	-	NST	1956 Jun  3
+			-11:00	1:00	NDT	1956 Sep  2
+			-11:00	-	NST	1967 Apr	# N=Nome
+			-11:00	-	BST	1983 Nov 30	# B=Bering
+			-11:00	-	SST			# S=Samoa
+
+# Palmyra
+# uninhabited since World War II; was probably like Pacific/Kiritimati
+
+# Wake
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Pacific/Wake	11:06:28 -	LMT	1901
+			12:00	-	WAKT	# Wake Time
+
+
+# Vanuatu
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Vanuatu	1983	only	-	Sep	25	0:00	1:00	S
+Rule	Vanuatu	1984	1991	-	Mar	Sun>=23	0:00	0	-
+Rule	Vanuatu	1984	only	-	Oct	23	0:00	1:00	S
+Rule	Vanuatu	1985	1991	-	Sep	Sun>=23	0:00	1:00	S
+Rule	Vanuatu	1992	1993	-	Jan	Sun>=23	0:00	0	-
+Rule	Vanuatu	1992	only	-	Oct	Sun>=23	0:00	1:00	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Pacific/Efate	11:13:16 -	LMT	1912 Jan 13		# Vila
+			11:00	Vanuatu	VU%sT	# Vanuatu Time
+
+# Wallis and Futuna
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Pacific/Wallis	12:15:20 -	LMT	1901
+			12:00	-	WFT	# Wallis & Futuna Time
+
+###############################################################################
+
+# NOTES
+
+# This data is by no means authoritative; if you think you know better,
+# go ahead and edit the file (and please send any changes to
+# tz@elsie.nci.nih.gov for general use in the future).
+
+# From Paul Eggert (2006-03-22):
+# A good source for time zone historical data outside the U.S. is
+# Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),
+# San Diego: ACS Publications, Inc. (2003).
+#
+# Gwillim Law writes that a good source
+# for recent time zone data is the International Air Transport
+# Association's Standard Schedules Information Manual (IATA SSIM),
+# published semiannually.  Law sent in several helpful summaries
+# of the IATA's data after 1990.
+#
+# Except where otherwise noted, Shanks & Pottenger is the source for
+# entries through 1990, and IATA SSIM is the source for entries afterwards.
+#
+# Another source occasionally used is Edward W. Whitman, World Time Differences,
+# Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated), which
+# I found in the UCLA library.
+#
+# A reliable and entertaining source about time zones is
+# Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997).
+#
+# I invented the abbreviations marked `*' in the following table;
+# the rest are from earlier versions of this file, or from other sources.
+# Corrections are welcome!
+#		std dst
+#		LMT	Local Mean Time
+#	  8:00	WST WST	Western Australia
+#	  8:45	CWST CWST Central Western Australia*
+#	  9:00	JST	Japan
+#	  9:30	CST CST	Central Australia
+#	 10:00	EST EST	Eastern Australia
+#	 10:00	ChST	Chamorro
+#	 10:30	LHST LHST Lord Howe*
+#	 11:30	NZMT NZST New Zealand through 1945
+#	 12:00	NZST NZDT New Zealand 1946-present
+#	 12:45	CHAST CHADT Chatham*
+#	-11:00	SST	Samoa
+#	-10:00	HST	Hawaii
+#	- 8:00	PST	Pitcairn*
+#
+# See the `northamerica' file for Hawaii.
+# See the `southamerica' file for Easter I and the Galapagos Is.
+
+###############################################################################
+
+# Australia
+
+# From Paul Eggert (2005-12-08):
+# 
+# Implementation Dates of Daylight Saving Time within Australia
+#  summarizes daylight saving issues in Australia.
+
+# From Arthur David Olson (2005-12-12):
+# 
+# Lawlink NSW:Daylight Saving in New South Wales
+#  covers New South Wales in particular.
+
+# From John Mackin (1991-03-06):
+# We in Australia have _never_ referred to DST as `daylight' time.
+# It is called `summer' time.  Now by a happy coincidence, `summer'
+# and `standard' happen to start with the same letter; hence, the
+# abbreviation does _not_ change...
+# The legislation does not actually define abbreviations, at least
+# in this State, but the abbreviation is just commonly taken to be the
+# initials of the phrase, and the legislation here uniformly uses
+# the phrase `summer time' and does not use the phrase `daylight
+# time'.
+# Announcers on the Commonwealth radio network, the ABC (for Australian
+# Broadcasting Commission), use the phrases `Eastern Standard Time'
+# or `Eastern Summer Time'.  (Note, though, that as I say in the
+# current australasia file, there is really no such thing.)  Announcers
+# on its overseas service, Radio Australia, use the same phrases
+# prefixed by the word `Australian' when referring to local times;
+# time announcements on that service, naturally enough, are made in UTC.
+
+# From Arthur David Olson (1992-03-08):
+# Given the above, what's chosen for year-round use is:
+#	CST	for any place operating at a GMTOFF of 9:30
+#	WST	for any place operating at a GMTOFF of 8:00
+#	EST	for any place operating at a GMTOFF of 10:00
+
+# From Chuck Soper (2006-06-01):
+# I recently found this Australian government web page on time zones:
+# 
+# And this government web page lists time zone names and abbreviations:
+# 
+
+# From Paul Eggert (2001-04-05), summarizing a long discussion about "EST"
+# versus "AEST" etc.:
+#
+# I see the following points of dispute:
+#
+# * How important are unique time zone abbreviations?
+#
+#   Here I tend to agree with the point (most recently made by Chris
+#   Newman) that unique abbreviations should not be essential for proper
+#   operation of software.  We have other instances of ambiguity
+#   (e.g. "IST" denoting both "Israel Standard Time" and "Indian
+#   Standard Time"), and they are not likely to go away any time soon.
+#   In the old days, some software mistakenly relied on unique
+#   abbreviations, but this is becoming less true with time, and I don't
+#   think it's that important to cater to such software these days.
+#
+#   On the other hand, there is another motivation for unambiguous
+#   abbreviations: it cuts down on human confusion.  This is
+#   particularly true for Australia, where "EST" can mean one thing for
+#   time T and a different thing for time T plus 1 second.
+#
+# * Does the relevant legislation indicate which abbreviations should be used?
+#
+#   Here I tend to think that things are a mess, just as they are in
+#   many other countries.  We Americans are currently disagreeing about
+#   which abbreviation to use for the newly legislated Chamorro Standard
+#   Time, for example.
+#
+#   Personally, I would prefer to use common practice; I would like to
+#   refer to legislation only for examples of common practice, or as a
+#   tiebreaker.
+#
+# * Do Australians more often use "Eastern Daylight Time" or "Eastern
+#   Summer Time"?  Do they typically prefix the time zone names with
+#   the word "Australian"?
+#
+#   My own impression is that both "Daylight Time" and "Summer Time" are
+#   common and are widely understood, but that "Summer Time" is more
+#   popular; and that the leading "A" is also common but is omitted more
+#   often than not.  I just used AltaVista advanced search and got the
+#   following count of page hits:
+#
+#     1,103 "Eastern Summer Time" AND domain:au
+#       971 "Australian Eastern Summer Time" AND domain:au
+#       613 "Eastern Daylight Time" AND domain:au
+#       127 "Australian Eastern Daylight Time" AND domain:au
+#
+#   Here "Summer" seems quite a bit more popular than "Daylight",
+#   particularly when we know the time zone is Australian and not US,
+#   say.  The "Australian" prefix seems to be popular for Eastern Summer
+#   Time, but unpopular for Eastern Daylight Time.
+#
+#   For abbreviations, tools like AltaVista are less useful because of
+#   ambiguity.  Many hits are not really time zones, unfortunately, and
+#   many hits denote US time zones and not Australian ones.  But here
+#   are the hit counts anyway:
+#
+#     161,304 "EST" and domain:au
+#      25,156 "EDT" and domain:au
+#      18,263 "AEST" and domain:au
+#      10,416 "AEDT" and domain:au
+#
+#      14,538 "CST" and domain:au
+#       5,728 "CDT" and domain:au
+#         176 "ACST" and domain:au
+#          29 "ACDT" and domain:au
+#
+#       7,539 "WST" and domain:au
+#          68 "AWST" and domain:au
+#
+#   This data suggest that Australians tend to omit the "A" prefix in
+#   practice.  The situation for "ST" versus "DT" is less clear, given
+#   the ambiguities involved.
+#
+# * How do Australians feel about the abbreviations in the tz database?
+#
+#   If you just count Australians on this list, I count 2 in favor and 3
+#   against.  One of the "against" votes (David Keegel) counseled delay,
+#   saying that both AEST/AEDT and EST/EST are widely used and
+#   understood in Australia.
+
+# From Paul Eggert (1995-12-19):
+# Shanks & Pottenger report 2:00 for all autumn changes in Australia and NZ.
+# Mark Prior writes that his newspaper
+# reports that NSW's fall 1995 change will occur at 2:00,
+# but Robert Elz says it's been 3:00 in Victoria since 1970
+# and perhaps the newspaper's `2:00' is referring to standard time.
+# For now we'll continue to assume 2:00s for changes since 1960.
+
+# From Eric Ulevik (1998-01-05):
+#
+# Here are some URLs to Australian time legislation. These URLs are stable,
+# and should probably be included in the data file. There are probably more
+# relevant entries in this database.
+#
+# NSW (including LHI and Broken Hill):
+# 
+# Standard Time Act 1987 (updated 1995-04-04)
+# 
+# ACT
+# 
+# Standard Time and Summer Time Act 1972
+# 
+# SA
+# 
+# Standard Time Act, 1898
+# 
+
+# From David Grosz (2005-06-13):
+# It was announced last week that Daylight Saving would be extended by
+# one week next year to allow for the 2006 Commonwealth Games.
+# Daylight Saving is now to end for next year only on the first Sunday
+# in April instead of the last Sunday in March.
+#
+# From Gwillim Law (2005-06-14):
+# I did some Googling and found that all of those states (and territory) plan
+# to extend DST together in 2006.
+# ACT: http://www.cmd.act.gov.au/mediareleases/fileread.cfm?file=86.txt
+# New South Wales: http://www.thecouriermail.news.com.au/common/story_page/0,5936,15538869%255E1702,00.html
+# South Australia: http://www.news.com.au/story/0,10117,15555031-1246,00.html
+# Tasmania: http://www.media.tas.gov.au/release.php?id=14772
+# Victoria: I wasn't able to find anything separate, but the other articles
+# allude to it.
+# But not Queensland
+# http://www.news.com.au/story/0,10117,15564030-1248,00.html.
+
+# Northern Territory
+
+# From George Shepherd via Simon Woodhead via Robert Elz (1991-03-06):
+# # The NORTHERN TERRITORY..  [ Courtesy N.T. Dept of the Chief Minister ]
+# #					[ Nov 1990 ]
+# #	N.T. have never utilised any DST due to sub-tropical/tropical location.
+# ...
+# Zone        Australia/North         9:30    -       CST
+
+# From Bradley White (1991-03-04):
+# A recent excerpt from an Australian newspaper...
+# the Northern Territory do[es] not have daylight saving.
+
+# Western Australia
+
+# From George Shepherd via Simon Woodhead via Robert Elz (1991-03-06):
+# #  The state of WESTERN AUSTRALIA..  [ Courtesy W.A. dept Premier+Cabinet ]
+# #						[ Nov 1990 ]
+# #	W.A. suffers from a great deal of public and political opposition to
+# #	DST in principle. A bill is brought before parliament in most years, but
+# #	usually defeated either in the upper house, or in party caucus
+# #	before reaching parliament.
+# ...
+# Zone	Australia/West		8:00	AW	%sST
+# ...
+# Rule	AW	1974	only	-	Oct	lastSun	2:00	1:00	D
+# Rule	AW	1975	only	-	Mar	Sun>=1	3:00	0	W
+# Rule	AW	1983	only	-	Oct	lastSun	2:00	1:00	D
+# Rule	AW	1984	only	-	Mar	Sun>=1	3:00	0	W
+
+# From Bradley White (1991-03-04):
+# A recent excerpt from an Australian newspaper...
+# Western Australia...do[es] not have daylight saving.
+
+# From John D. Newman via Bradley White (1991-11-02):
+# Western Australia is still on "winter time". Some DH in Sydney
+# rang me at home a few days ago at 6.00am. (He had just arrived at
+# work at 9.00am.)
+# W.A. is switching to Summer Time on Nov 17th just to confuse
+# everybody again.
+
+# From Arthur David Olson (1992-03-08):
+# The 1992 ending date used in the rules is a best guess;
+# it matches what was used in the past.
+
+# 
+# The Australian Bureau of Meteorology FAQ
+#  (1999-09-27) writes that Giles Meteorological Station uses
+# South Australian time even though it's located in Western Australia.
+
+# Queensland
+# From George Shepherd via Simon Woodhead via Robert Elz (1991-03-06):
+# #   The state of QUEENSLAND.. [ Courtesy Qld. Dept Premier Econ&Trade Devel ]
+# #						[ Dec 1990 ]
+# ...
+# Zone	Australia/Queensland	10:00	AQ	%sST
+# ...
+# Rule	AQ	1971	only	-	Oct	lastSun	2:00	1:00	D
+# Rule	AQ	1972	only	-	Feb	lastSun	3:00	0	E
+# Rule	AQ	1989	max	-	Oct	lastSun	2:00	1:00	D
+# Rule	AQ	1990	max	-	Mar	Sun>=1	3:00	0	E
+
+# From Bradley White (1989-12-24):
+# "Australia/Queensland" now observes daylight time (i.e. from
+# October 1989).
+
+# From Bradley White (1991-03-04):
+# A recent excerpt from an Australian newspaper...
+# ...Queensland...[has] agreed to end daylight saving
+# at 3am tomorrow (March 3)...
+
+# From John Mackin (1991-03-06):
+# I can certainly confirm for my part that Daylight Saving in NSW did in fact
+# end on Sunday, 3 March.  I don't know at what hour, though.  (It surprised
+# me.)
+
+# From Bradley White (1992-03-08):
+# ...there was recently a referendum in Queensland which resulted
+# in the experimental daylight saving system being abandoned. So, ...
+# ...
+# Rule	QLD	1989	1991	-	Oct	lastSun	2:00	1:00	D
+# Rule	QLD	1990	1992	-	Mar	Sun>=1	3:00	0	S
+# ...
+
+# From Arthur David Olson (1992-03-08):
+# The chosen rules the union of the 1971/1972 change and the 1989-1992 changes.
+
+# From Christopher Hunt (2006-11-21), after an advance warning
+# from Jesper Norgaard Welen (2006-11-01):
+# WA are trialing DST for three years.
+# 
+
+# From Rives McDow (2002-04-09):
+# The most interesting region I have found consists of three towns on the
+# southern coast....  South Australia observes daylight saving time; Western
+# Australia does not.  The two states are one and a half hours apart.  The
+# residents decided to forget about this nonsense of changing the clock so
+# much and set the local time 20 hours and 45 minutes from the
+# international date line, or right in the middle of the time of South
+# Australia and Western Australia....
+#
+# From Paul Eggert (2002-04-09):
+# This is confirmed by the section entitled
+# "What's the deal with time zones???" in
+# .
+#
+# From Alex Livingston (2006-12-07):
+# ... it was just on four years ago that I drove along the Eyre Highway,
+# which passes through eastern Western Australia close to the southern
+# coast of the continent.
+#
+# I paid particular attention to the time kept there. There can be no
+# dispute that UTC+08:45 was considered "the time" from the border
+# village just inside the border with South Australia to as far west
+# as just east of Caiguna. There can also be no dispute that Eucla is
+# the largest population centre in this zone....
+#
+# Now that Western Australia is observing daylight saving, the
+# question arose whether this part of the state would follow suit. I
+# just called the border village and confirmed that indeed they have,
+# meaning that they are now observing UTC+09:45.
+#
+# (2006-12-09):
+# I personally doubt that either experimentation with daylight saving
+# in WA or its introduction in SA had anything to do with the genesis
+# of this time zone.  My hunch is that it's been around since well
+# before 1975.  I remember seeing it noted on road maps decades ago.
+
+# From Paul Eggert (2006-12-15):
+# For lack of better info, assume the tradition dates back to the
+# introduction of standard time in 1895.
+
+
+# South Australia, Tasmania, Victoria
+
+# From Arthur David Olson (1992-03-08):
+# The rules from version 7.1 follow.
+# There are lots of differences between these rules and
+# the Shepherd et al. rules.  Since the Shepherd et al. rules
+# and Bradley White's newspaper article are in agreement on
+# current DST ending dates, no worries.
+#
+# Rule	Oz	1971	1985	-	Oct	lastSun	2:00	1:00	-
+# Rule	Oz	1986	max	-	Oct	Sun>=18	2:00	1:00	-
+# Rule	Oz	1972	only	-	Feb	27	3:00	0	-
+# Rule	Oz	1973	1986	-	Mar	Sun>=1	3:00	0	-
+# Rule	Oz	1987	max	-	Mar	Sun>=15	3:00	0	-
+# Zone	Australia/Tasmania	10:00	Oz	EST
+# Zone	Australia/South		9:30	Oz	CST
+# Zone	Australia/Victoria	10:00	Oz	EST	1985 Oct lastSun 2:00
+#				10:00	1:00	EST	1986 Mar Sun>=15 3:00
+#				10:00	Oz	EST
+
+# From Robert Elz (1991-03-06):
+# I believe that the current start date for DST is "lastSun" in Oct...
+# that changed Oct 89.  That is, we're back to the
+# original rule, and that rule currently applies in all the states
+# that have dst, incl Qld.  (Certainly it was true in Vic).
+# The file I'm including says that happened in 1988, I think
+# that's incorrect, but I'm not 100% certain.
+
+# South Australia
+
+# From Bradley White (1991-03-04):
+# A recent excerpt from an Australian newspaper...
+# ...South Australia...[has] agreed to end daylight saving
+# at 3am tomorrow (March 3)...
+
+# From George Shepherd via Simon Woodhead via Robert Elz (1991-03-06):
+# #   The state of SOUTH AUSTRALIA....[ Courtesy of S.A. Dept of Labour ]
+# #						[ Nov 1990 ]
+# ...
+# Zone	Australia/South		9:30	AS	%sST
+# ...
+# Rule	 AS	1971	max	-	Oct	lastSun	2:00	1:00	D
+# Rule	 AS	1972	1985	-	Mar	Sun>=1	3:00	0	C
+# Rule	 AS	1986	1990	-	Mar	Sun>=15	3:00	0	C
+# Rule	 AS	1991	max	-	Mar	Sun>=1	3:00	0	C
+
+# From Bradley White (1992-03-11):
+# Recent correspondence with a friend in Adelaide
+# contained the following exchange:  "Due to the Adelaide Festival,
+# South Australia delays setting back our clocks for a few weeks."
+
+# From Robert Elz (1992-03-13):
+# I heard that apparently (or at least, it appears that)
+# South Aus will have an extra 3 weeks daylight saving every even
+# numbered year (from 1990).  That's when the Adelaide Festival
+# is on...
+
+# From Robert Elz (1992-03-16, 00:57:07 +1000):
+# DST didn't end in Adelaide today (yesterday)....
+# But whether it's "4th Sunday" or "2nd last Sunday" I have no idea whatever...
+# (it's just as likely to be "the Sunday we pick for this year"...).
+
+# From Bradley White (1994-04-11):
+# If Sun, 15 March, 1992 was at +1030 as kre asserts, but yet Sun, 20 March,
+# 1994 was at +0930 as John Connolly's customer seems to assert, then I can
+# only conclude that the actual rule is more complicated....
+
+# From John Warburton (1994-10-07):
+# The new Daylight Savings dates for South Australia ...
+# was gazetted in the Government Hansard on Sep 26 1994....
+# start on last Sunday in October and end in last sunday in March.
+
+# Tasmania
+
+# The rules for 1967 through 1991 were reported by George Shepherd
+# via Simon Woodhead via Robert Elz (1991-03-06):
+# #  The state of TASMANIA.. [Courtesy Tasmanian Dept of Premier + Cabinet ]
+# #					[ Nov 1990 ]
+
+# From Bill Hart via Guy Harris (1991-10-10):
+# Oh yes, the new daylight savings rules are uniquely tasmanian, we have
+# 6 weeks a year now when we are out of sync with the rest of Australia
+# (but nothing new about that).
+
+# From Alex Livingston (1999-10-04):
+# I heard on the ABC (Australian Broadcasting Corporation) radio news on the
+# (long) weekend that Tasmania, which usually goes its own way in this regard,
+# has decided to join with most of NSW, the ACT, and most of Victoria
+# (Australia) and start daylight saving on the last Sunday in August in 2000
+# instead of the first Sunday in October.
+
+# Sim Alam (2000-07-03) reported a legal citation for the 2000/2001 rules:
+# http://www.thelaw.tas.gov.au/fragview/42++1968+GS3A@EN+2000070300
+
+# Victoria
+
+# The rules for 1971 through 1991 were reported by George Shepherd
+# via Simon Woodhead via Robert Elz (1991-03-06):
+# #   The state of VICTORIA.. [ Courtesy of Vic. Dept of Premier + Cabinet ]
+# #						[ Nov 1990 ]
+
+# From Scott Harrington (2001-08-29):
+# On KQED's "City Arts and Lectures" program last night I heard an
+# interesting story about daylight savings time.  Dr. John Heilbron was
+# discussing his book "The Sun in the Church: Cathedrals as Solar
+# Observatories"[1], and in particular the Shrine of Remembrance[2] located
+# in Melbourne, Australia.
+#
+# Apparently the shrine's main purpose is a beam of sunlight which
+# illuminates a special spot on the floor at the 11th hour of the 11th day
+# of the 11th month (Remembrance Day) every year in memory of Australia's
+# fallen WWI soldiers.  And if you go there on Nov. 11, at 11am local time,
+# you will indeed see the sunbeam illuminate the special spot at the
+# expected time.
+#
+# However, that is only because of some special mirror contraption that had
+# to be employed, since due to daylight savings time, the true solar time of
+# the remembrance moment occurs one hour later (or earlier?).  Perhaps
+# someone with more information on this jury-rig can tell us more.
+#
+# [1] http://www.hup.harvard.edu/catalog/HEISUN.html
+# [2] http://www.shrine.org.au
+
+# New South Wales
+
+# From Arthur David Olson:
+# New South Wales and subjurisdictions have their own ideas of a fun time.
+# Based on law library research by John Mackin,
+# who notes:
+#	In Australia, time is not legislated federally, but rather by the
+#	individual states.  Thus, while such terms as ``Eastern Standard Time''
+#	[I mean, of course, Australian EST, not any other kind] are in common
+#	use, _they have NO REAL MEANING_, as they are not defined in the
+#	legislation.  This is very important to understand.
+#	I have researched New South Wales time only...
+
+# From Eric Ulevik (1999-05-26):
+# DST will start in NSW on the last Sunday of August, rather than the usual
+# October in 2000.  [See: Matthew Moore,
+# 
+# Two months more daylight saving
+# 
+# Sydney Morning Herald (1999-05-26).]
+
+# From Paul Eggert (1999-09-27):
+# See the following official NSW source:
+# 
+# Daylight Saving in New South Wales.
+# 
+#
+# Narrabri Shire (NSW) council has announced it will ignore the extension of
+# daylight saving next year.  See:
+# 
+# Narrabri Council to ignore daylight saving
+#  (1999-07-22).  For now, we'll wait to see if this really happens.
+#
+# Victoria will following NSW.  See:
+# 
+# Vic to extend daylight saving
+#  (1999-07-28).
+#
+# However, South Australia rejected the DST request.  See:
+# 
+# South Australia rejects Olympics daylight savings request
+#  (1999-07-19).
+#
+# Queensland also will not observe DST for the Olympics.  See:
+# 
+# Qld says no to daylight savings for Olympics
+#  (1999-06-01), which quotes Queensland Premier Peter Beattie as saying
+# ``Look you've got to remember in my family when this came up last time
+# I voted for it, my wife voted against it and she said to me it's all very
+# well for you, you don't have to worry about getting the children out of
+# bed, getting them to school, getting them to sleep at night.
+# I've been through all this argument domestically...my wife rules.''
+#
+# Broken Hill will stick with South Australian time in 2000.  See:
+# 
+# Broken Hill to be behind the times
+#  (1999-07-21).
+
+# IATA SSIM (1998-09) says that the spring 2000 change for Australian
+# Capital Territory, New South Wales except Lord Howe Island and Broken
+# Hill, and Victoria will be August 27, presumably due to the Sydney Olympics.
+
+# From Eric Ulevik, referring to Sydney's Sun Herald (2000-08-13), page 29:
+# The Queensland Premier Peter Beattie is encouraging northern NSW
+# towns to use Queensland time.
+
+# Yancowinna
+
+# From John Mackin (1989-01-04):
+# `Broken Hill' means the County of Yancowinna.
+
+# From George Shepherd via Simon Woodhead via Robert Elz (1991-03-06):
+# # YANCOWINNA..  [ Confirmation courtesy of Broken Hill Postmaster ]
+# #					[ Dec 1990 ]
+# ...
+# # Yancowinna uses Central Standard Time, despite [its] location on the
+# # New South Wales side of the S.A. border. Most business and social dealings
+# # are with CST zones, therefore CST is legislated by local government
+# # although the switch to Summer Time occurs in line with N.S.W. There have
+# # been years when this did not apply, but the historical data is not
+# # presently available.
+# Zone	Australia/Yancowinna	9:30	 AY	%sST
+# ...
+# Rule	 AY	1971	1985	-	Oct	lastSun	2:00	1:00	D
+# Rule	 AY	1972	only	-	Feb	lastSun	3:00	0	C
+# [followed by other Rules]
+
+# Lord Howe Island
+
+# From George Shepherd via Simon Woodhead via Robert Elz (1991-03-06):
+# LHI...		[ Courtesy of Pauline Van Winsen ]
+#					[ Dec 1990 ]
+# Lord Howe Island is located off the New South Wales coast, and is half an
+# hour ahead of NSW time.
+
+# From James Lonergan, Secretary, Lord Howe Island Board (2000-01-27):
+# Lord Howe Island summer time in 2000/2001 will commence on the same
+# date as the rest of NSW (i.e. 2000-08-27).  For your information the
+# Lord Howe Island Board (controlling authority for the Island) is
+# seeking the community's views on various options for summer time
+# arrangements on the Island, e.g. advance clocks by 1 full hour
+# instead of only 30 minutes.  Dependant on the wishes of residents
+# the Board may approach the NSW government to change the existing
+# arrangements.  The starting date for summer time on the Island will
+# however always coincide with the rest of NSW.
+
+# From James Lonergan, Secretary, Lord Howe Island Board (2000-10-25):
+# Lord Howe Island advances clocks by 30 minutes during DST in NSW and retards
+# clocks by 30 minutes when DST finishes. Since DST was most recently
+# introduced in NSW, the "changeover" time on the Island has been 02:00 as
+# shown on clocks on LHI. I guess this means that for 30 minutes at the start
+# of DST, LHI is actually 1 hour ahead of the rest of NSW.
+
+# From Paul Eggert (2006-03-22):
+# For Lord Howe dates we use Shanks & Pottenger through 1989, and
+# Lonergan thereafter.  For times we use Lonergan.
+
+###############################################################################
+
+# New Zealand
+
+# From Mark Davies (1990-10-03):
+# the 1989/90 year was a trial of an extended "daylight saving" period.
+# This trial was deemed successful and the extended period adopted for
+# subsequent years (with the addition of a further week at the start).
+# source -- phone call to Ministry of Internal Affairs Head Office.
+
+# From George Shepherd via Simon Woodhead via Robert Elz (1991-03-06):
+# # The Country of New Zealand   (Australia's east island -) Gee they hate that!
+# #				   or is Australia the west island of N.Z.
+# #	[ courtesy of Geoff Tribble.. Auckland N.Z. ]
+# #				[ Nov 1990 ]
+# ...
+# Rule	NZ      1974    1988	-	Oct	lastSun	2:00	1:00	D
+# Rule	NZ	1989	max	-	Oct	Sun>=1	2:00	1:00	D
+# Rule	NZ      1975    1989	-	Mar	Sun>=1	3:00	0	S
+# Rule	NZ	1990	max	-	Mar	lastSun	3:00	0	S
+# ...
+# Zone	NZ			12:00	NZ		NZ%sT	# New Zealand
+# Zone	NZ-CHAT			12:45	-		NZ-CHAT # Chatham Island
+
+# From Arthur David Olson (1992-03-08):
+# The chosen rules use the Davies October 8 values for the start of DST in 1989
+# rather than the October 1 value.
+
+# From Paul Eggert (1995-12-19);
+# Shank & Pottenger report 2:00 for all autumn changes in Australia and NZ.
+# Robert Uzgalis writes that the New Zealand Daylight
+# Savings Time Order in Council dated 1990-06-18 specifies 2:00 standard
+# time on both the first Sunday in October and the third Sunday in March.
+# As with Australia, we'll assume the tradition is 2:00s, not 2:00.
+#
+# From Paul Eggert (2006-03-22):
+# The Department of Internal Affairs (DIA) maintains a brief history,
+# as does Carol Squires; see tz-link.htm for the full references.
+# Use these sources in preference to Shanks & Pottenger.
+#
+# For Chatham, IATA SSIM (1991/1999) gives the NZ rules but with
+# transitions at 2:45 local standard time; this confirms that Chatham
+# is always exactly 45 minutes ahead of Auckland.
+
+###############################################################################
+
+
+# Fiji
+
+# Howse writes (p 153) that in 1879 the British governor of Fiji
+# enacted an ordinance standardizing the islands on Antipodean Time
+# instead of the American system (which was one day behind).
+
+# From Rives McDow (1998-10-08):
+# Fiji will introduce DST effective 0200 local time, 1998-11-01
+# until 0300 local time 1999-02-28.  Each year the DST period will
+# be from the first Sunday in November until the last Sunday in February.
+
+# From Paul Eggert (2000-01-08):
+# IATA SSIM (1999-09) says DST ends 0100 local time.  Go with McDow.
+
+# From the BBC World Service (1998-10-31 11:32 UTC):
+# The Fijiian government says the main reasons for the time change is to
+# improve productivity and reduce road accidents.  But correspondents say it
+# also hopes the move will boost Fiji's ability to compete with other pacific
+# islands in the effort to attract tourists to witness the dawning of the new
+# millenium.
+
+# http://www.fiji.gov.fj/press/2000_09/2000_09_13-05.shtml (2000-09-13)
+# reports that Fiji has discontinued DST.
+
+# Johnston
+
+# Johnston data is from usno1995.
+
+
+# Kiribati
+
+# From Paul Eggert (1996-01-22):
+# Today's _Wall Street Journal_ (page 1) reports that Kiribati
+# ``declared it the same day throught the country as of Jan. 1, 1995''
+# as part of the competition to be first into the 21st century.
+
+
+# Kwajalein
+
+# In comp.risks 14.87 (26 August 1993), Peter Neumann writes:
+# I wonder what happened in Kwajalein, where there was NO Friday,
+# 1993-08-20.  Thursday night at midnight Kwajalein switched sides with
+# respect to the International Date Line, to rejoin its fellow islands,
+# going from 11:59 p.m. Thursday to 12:00 m. Saturday in a blink.
+
+
+# N Mariana Is, Guam
+
+# Howse writes (p 153) ``The Spaniards, on the other hand, reached the
+# Philippines and the Ladrones from America,'' and implies that the Ladrones
+# (now called the Marianas) kept American date for quite some time.
+# For now, we assume the Ladrones switched at the same time as the Philippines;
+# see Asia/Manila.
+
+# US Public Law 106-564 (2000-12-23) made UTC+10 the official standard time,
+# under the name "Chamorro Standard Time".  There is no official abbreviation,
+# but Congressman Robert A. Underwood, author of the bill that became law,
+# wrote in a press release (2000-12-27) that he will seek the use of "ChST".
+
+
+# Micronesia
+
+# Alan Eugene Davis writes (1996-03-16),
+# ``I am certain, having lived there for the past decade, that "Truk"
+# (now properly known as Chuuk) ... is in the time zone GMT+10.''
+#
+# Shanks & Pottenger write that Truk switched from UTC+10 to UTC+11
+# on 1978-10-01; ignore this for now.
+
+# From Paul Eggert (1999-10-29):
+# The Federated States of Micronesia Visitors Board writes in
+# 
+# The Federated States of Micronesia - Visitor Information
+#  (1999-01-26)
+# that Truk and Yap are UTC+10, and Ponape and Kosrae are UTC+11.
+# We don't know when Kosrae switched from UTC+12; assume January 1 for now.
+
+
+# Midway
+
+# From Charles T O'Connor, KMTH DJ (1956),
+# quoted in the KTMH section of the Radio Heritage Collection
+#  (2002-12-31):
+# For the past two months we've been on what is known as Daylight
+# Saving Time.  This time has put us on air at 5am in the morning,
+# your time down there in New Zealand.  Starting September 2, 1956
+# we'll again go back to Standard Time.  This'll mean that we'll go to
+# air at 6am your time.
+#
+# From Paul Eggert (2003-03-23):
+# We don't know the date of that quote, but we'll guess they
+# started DST on June 3.  Possibly DST was observed other years
+# in Midway, but we have no record of it.
+
+
+# Pitcairn
+
+# From Rives McDow (1999-11-08):
+# A Proclamation was signed by the Governor of Pitcairn on the 27th March 1998
+# with regard to Pitcairn Standard Time.  The Proclamation is as follows.
+#
+#	The local time for general purposes in the Islands shall be
+#	Co-ordinated Universal time minus 8 hours and shall be known
+#	as Pitcairn Standard Time.
+#
+# ... I have also seen Pitcairn listed as UTC minus 9 hours in several
+# references, and can only assume that this was an error in interpretation
+# somehow in light of this proclamation.
+
+# From Rives McDow (1999-11-09):
+# The Proclamation regarding Pitcairn time came into effect on 27 April 1998
+# ... at midnight.
+
+# From Howie Phelps (1999-11-10), who talked to a Pitcairner via shortwave:
+# Betty Christian told me yesterday that their local time is the same as
+# Pacific Standard Time. They used to be 1/2 hour different from us here in
+# Sacramento but it was changed a couple of years ago.
+
+
+# Samoa
+
+# Howse writes (p 153, citing p 10 of the 1883-11-18 New York Herald)
+# that in 1879 the King of Samoa decided to change
+# ``the date in his kingdom from the Antipodean to the American system,
+# ordaining -- by a masterpiece of diplomatic flattery -- that
+# the Fourth of July should be celebrated twice in that year.''
+
+
+# Tonga
+
+# From Paul Eggert (1996-01-22):
+# Today's _Wall Street Journal_ (p 1) reports that ``Tonga has been plotting
+# to sneak ahead of [New Zealanders] by introducing daylight-saving time.''
+# Since Kiribati has moved the Date Line it's not clear what Tonga will do.
+
+# Don Mundell writes in the 1997-02-20 Tonga Chronicle
+# 
+# How Tonga became `The Land where Time Begins'
+# :
+
+# Until 1941 Tonga maintained a standard time 50 minutes ahead of NZST
+# 12 hours and 20 minutes ahead of GMT.  When New Zealand adjusted its
+# standard time in 1940s, Tonga had the choice of subtracting from its
+# local time to come on the same standard time as New Zealand or of
+# advancing its time to maintain the differential of 13 degrees
+# (approximately 50 minutes ahead of New Zealand time).
+#
+# Because His Majesty King Taufa'ahau Tupou IV, then Crown Prince
+# Tungi, preferred to ensure Tonga's title as the land where time
+# begins, the Legislative Assembly approved the latter change.
+#
+# But some of the older, more conservative members from the outer
+# islands objected. "If at midnight on Dec. 31, we move ahead 40
+# minutes, as your Royal Highness wishes, what becomes of the 40
+# minutes we have lost?"
+#
+# The Crown Prince, presented an unanswerable argument: "Remember that
+# on the World Day of Prayer, you would be the first people on Earth
+# to say your prayers in the morning."
+
+# From Paul Eggert (2006-03-22):
+# Shanks & Pottenger say the transition was on 1968-10-01; go with Mundell.
+
+# From Eric Ulevik (1999-05-03):
+# Tonga's director of tourism, who is also secretary of the National Millenium
+# Committee, has a plan to get Tonga back in front.
+# He has proposed a one-off move to tropical daylight saving for Tonga from
+# October to March, which has won approval in principle from the Tongan
+# Government.
+
+# From Steffen Thorsen (1999-09-09):
+# * Tonga will introduce DST in November
+#
+# I was given this link by John Letts:
+# 
+# http://news.bbc.co.uk/hi/english/world/asia-pacific/newsid_424000/424764.stm
+# 
+#
+# I have not been able to find exact dates for the transition in November
+# yet. By reading this article it seems like Fiji will be 14 hours ahead
+# of UTC as well, but as far as I know Fiji will only be 13 hours ahead
+# (12 + 1 hour DST).
+
+# From Arthur David Olson (1999-09-20):
+# According to  (2005-08-31):
+# Before 1920, all ships kept local apparent time on the high seas by setting
+# their clocks at night or at the morning sight so that, given the ship's
+# speed and direction, it would be 12 o'clock when the Sun crossed the ship's
+# meridian (12 o'clock = local apparent noon).  During 1917, at the
+# Anglo-French Conference on Time-keeping at Sea, it was recommended that all
+# ships, both military and civilian, should adopt hourly standard time zones
+# on the high seas.  Whenever a ship was within the territorial waters of any
+# nation it would use that nation's standard time.  The captain was permitted
+# to change his ship's clocks at a time of his choice following his ship's
+# entry into another zone time--he often chose midnight.  These zones were
+# adopted by all major fleets between 1920 and 1925 but not by many
+# independent merchant ships until World War II.
+
+# From Paul Eggert, using references suggested by Oscar van Vlijmen
+# (2005-03-20):
+#
+# The American Practical Navigator (2002)
+# 
+# talks only about the 180-degree meridian with respect to ships in
+# international waters; it ignores the international date line.
diff --git a/commands/zoneinfo/backward b/commands/zoneinfo/backward
new file mode 100644
index 000000000..7c922604e
--- /dev/null
+++ b/commands/zoneinfo/backward
@@ -0,0 +1,109 @@
+# @(#)backward	8.3
+
+# This file provides links between current names for time zones
+# and their old names.  Many names changed in late 1993.
+
+Link	Africa/Asmara		Africa/Asmera
+Link	Africa/Bamako		Africa/Timbuktu
+Link	America/Argentina/Catamarca	America/Argentina/ComodRivadavia
+Link	America/Adak		America/Atka
+Link	America/Argentina/Buenos_Aires	America/Buenos_Aires
+Link	America/Argentina/Catamarca	America/Catamarca
+Link	America/Atikokan	America/Coral_Harbour
+Link	America/Argentina/Cordoba	America/Cordoba
+Link	America/Tijuana		America/Ensenada
+Link	America/Indiana/Indianapolis	America/Fort_Wayne
+Link	America/Indiana/Indianapolis	America/Indianapolis
+Link	America/Argentina/Jujuy	America/Jujuy
+Link	America/Indiana/Knox	America/Knox_IN
+Link	America/Kentucky/Louisville	America/Louisville
+Link	America/Argentina/Mendoza	America/Mendoza
+Link	America/Rio_Branco	America/Porto_Acre
+Link	America/Argentina/Cordoba	America/Rosario
+Link	America/St_Thomas	America/Virgin
+Link	Asia/Ashgabat		Asia/Ashkhabad
+Link	Asia/Chongqing		Asia/Chungking
+Link	Asia/Dhaka		Asia/Dacca
+Link	Asia/Macau		Asia/Macao
+Link	Asia/Jerusalem		Asia/Tel_Aviv
+Link	Asia/Thimphu		Asia/Thimbu
+Link	Asia/Makassar		Asia/Ujung_Pandang
+Link	Asia/Ulaanbaatar	Asia/Ulan_Bator
+Link	Atlantic/Faroe		Atlantic/Faeroe
+Link	Australia/Sydney	Australia/ACT
+Link	Australia/Sydney	Australia/Canberra
+Link	Australia/Lord_Howe	Australia/LHI
+Link	Australia/Sydney	Australia/NSW
+Link	Australia/Darwin	Australia/North
+Link	Australia/Brisbane	Australia/Queensland
+Link	Australia/Adelaide	Australia/South
+Link	Australia/Hobart	Australia/Tasmania
+Link	Australia/Melbourne	Australia/Victoria
+Link	Australia/Perth		Australia/West
+Link	Australia/Broken_Hill	Australia/Yancowinna
+Link	America/Rio_Branco	Brazil/Acre
+Link	America/Noronha		Brazil/DeNoronha
+Link	America/Sao_Paulo	Brazil/East
+Link	America/Manaus		Brazil/West
+Link	America/Halifax		Canada/Atlantic
+Link	America/Winnipeg	Canada/Central
+Link	America/Regina		Canada/East-Saskatchewan
+Link	America/Toronto		Canada/Eastern
+Link	America/Edmonton	Canada/Mountain
+Link	America/St_Johns	Canada/Newfoundland
+Link	America/Vancouver	Canada/Pacific
+Link	America/Regina		Canada/Saskatchewan
+Link	America/Whitehorse	Canada/Yukon
+Link	America/Santiago	Chile/Continental
+Link	Pacific/Easter		Chile/EasterIsland
+Link	America/Havana		Cuba
+Link	Africa/Cairo		Egypt
+Link	Europe/Dublin		Eire
+Link	Europe/London		Europe/Belfast
+Link	Europe/Chisinau		Europe/Tiraspol
+Link	Europe/London		GB
+Link	Europe/London		GB-Eire
+Link	Etc/GMT			GMT+0
+Link	Etc/GMT			GMT-0
+Link	Etc/GMT			GMT0
+Link	Etc/GMT			Greenwich
+Link	Asia/Hong_Kong		Hongkong
+Link	Atlantic/Reykjavik	Iceland
+Link	Asia/Tehran		Iran
+Link	Asia/Jerusalem		Israel
+Link	America/Jamaica		Jamaica
+Link	Asia/Tokyo		Japan
+Link	Pacific/Kwajalein	Kwajalein
+Link	Africa/Tripoli		Libya
+Link	America/Tijuana		Mexico/BajaNorte
+Link	America/Mazatlan	Mexico/BajaSur
+Link	America/Mexico_City	Mexico/General
+Link	Pacific/Auckland	NZ
+Link	Pacific/Chatham		NZ-CHAT
+Link	America/Denver		Navajo
+Link	Asia/Shanghai		PRC
+Link	Pacific/Pago_Pago	Pacific/Samoa
+Link	Pacific/Truk		Pacific/Yap
+Link	Europe/Warsaw		Poland
+Link	Europe/Lisbon		Portugal
+Link	Asia/Taipei		ROC
+Link	Asia/Seoul		ROK
+Link	Asia/Singapore		Singapore
+Link	Europe/Istanbul		Turkey
+Link	Etc/UCT			UCT
+Link	America/Anchorage	US/Alaska
+Link	America/Adak		US/Aleutian
+Link	America/Phoenix		US/Arizona
+Link	America/Chicago		US/Central
+Link	America/Indiana/Indianapolis	US/East-Indiana
+Link	America/New_York	US/Eastern
+Link	Pacific/Honolulu	US/Hawaii
+Link	America/Indiana/Knox	US/Indiana-Starke
+Link	America/Detroit		US/Michigan
+Link	America/Denver		US/Mountain
+Link	America/Los_Angeles	US/Pacific
+Link	Pacific/Pago_Pago	US/Samoa
+Link	Etc/UTC			UTC
+Link	Etc/UTC			Universal
+Link	Europe/Moscow		W-SU
+Link	Etc/UTC			Zulu
diff --git a/commands/zoneinfo/checktab.awk b/commands/zoneinfo/checktab.awk
new file mode 100644
index 000000000..6d532141e
--- /dev/null
+++ b/commands/zoneinfo/checktab.awk
@@ -0,0 +1,159 @@
+# Check tz tables for consistency.
+
+# @(#)checktab.awk	1.7
+
+# Contributed by Paul Eggert.
+
+BEGIN {
+	FS = "\t"
+
+	if (!iso_table) iso_table = "iso3166.tab"
+	if (!zone_table) zone_table = "zone.tab"
+	if (!want_warnings) want_warnings = -1
+
+	while (getline >"/dev/stderr"
+			status = 1
+		}
+		cc = $1
+		name = $2
+		if (cc !~ /^[A-Z][A-Z]$/) {
+			printf "%s:%d: invalid country code `%s'\n", \
+				iso_table, iso_NR, cc >>"/dev/stderr"
+			status = 1
+		}
+		if (cc <= cc0) {
+			if (cc == cc0) {
+				s = "duplicate";
+			} else {
+				s = "out of order";
+			}
+
+			printf "%s:%d: country code `%s' is %s\n", \
+				iso_table, iso_NR, cc, s \
+				>>"/dev/stderr"
+			status = 1
+		}
+		cc0 = cc
+		if (name2cc[name]) {
+			printf "%s:%d: `%s' and `%s' have the sname name\n", \
+				iso_table, iso_NR, name2cc[name], cc \
+				>>"/dev/stderr"
+			status = 1
+		}
+		name2cc[name] = cc
+		cc2name[cc] = name
+		cc2NR[cc] = iso_NR
+	}
+
+	zone_table = "zone.tab"
+	cc0 = ""
+
+	while (getline >"/dev/stderr"
+			status = 1
+		}
+		cc = $1
+		coordinates = $2
+		tz = $3
+		comments = $4
+		if (cc < cc0) {
+			printf "%s:%d: country code `%s' is out of order\n", \
+				zone_table, zone_NR, cc >>"/dev/stderr"
+			status = 1
+		}
+		cc0 = cc
+		if (tz2cc[tz]) {
+			printf "%s:%d: %s: duplicate TZ column\n", \
+				zone_table, zone_NR, tz >>"/dev/stderr"
+			status = 1
+		}
+		tz2cc[tz] = cc
+		tz2comments[tz] = comments
+		tz2NR[tz] = zone_NR
+		if (cc2name[cc]) {
+			cc_used[cc]++
+		} else {
+			printf "%s:%d: %s: unknown country code\n", \
+				zone_table, zone_NR, cc >>"/dev/stderr"
+			status = 1
+		}
+		if (coordinates !~ /^[-+][0-9][0-9][0-5][0-9][-+][01][0-9][0-9][0-5][0-9]$/ \
+		    && coordinates !~ /^[-+][0-9][0-9][0-5][0-9][0-5][0-9][-+][01][0-9][0-9][0-5][0-9][0-5][0-9]$/) {
+			printf "%s:%d: %s: invalid coordinates\n", \
+				zone_table, zone_NR, coordinates >>"/dev/stderr"
+			status = 1
+		}
+	}
+
+	for (tz in tz2cc) {
+		if (cc_used[tz2cc[tz]] == 1) {
+			if (tz2comments[tz]) {
+				printf "%s:%d: unnecessary comment `%s'\n", \
+					zone_table, tz2NR[tz], tz2comments[tz] \
+					>>"/dev/stderr"
+				status = 1
+			}
+		} else {
+			if (!tz2comments[tz]) {
+				printf "%s:%d: missing comment\n", \
+					zone_table, tz2NR[tz] >>"/dev/stderr"
+				status = 1
+			}
+		}
+	}
+
+	FS = " "
+}
+
+{
+	tz = ""
+	if ($1 == "Zone") tz = $2
+	if ($1 == "Link") {
+		# Ignore Link commands if source and destination basenames
+		# are identical, e.g. Europe/Istanbul versus Asia/Istanbul.
+		src = $2
+		dst = $3
+		while ((i = index(src, "/"))) src = substr(src, i+1)
+		while ((i = index(dst, "/"))) dst = substr(dst, i+1)
+		if (src != dst) tz = $3
+	}
+	if (tz && tz ~ /\//) {
+		if (!tz2cc[tz]) {
+			printf "%s: no data for `%s'\n", zone_table, tz \
+				>>"/dev/stderr"
+			status = 1
+		}
+		zoneSeen[tz] = 1
+	}
+}
+
+END {
+	for (tz in tz2cc) {
+		if (!zoneSeen[tz]) {
+			printf "%s:%d: no Zone table for `%s'\n", \
+				zone_table, tz2NR[tz], tz >>"/dev/stderr"
+			status = 1
+		}
+	}
+
+	if (0 < want_warnings) {
+		for (cc in cc2name) {
+			if (!cc_used[cc]) {
+				printf "%s:%d: warning: " \
+					"no Zone entries for %s (%s)\n", \
+					iso_table, cc2NR[cc], cc, cc2name[cc]
+			}
+		}
+	}
+
+	exit status
+}
diff --git a/commands/zoneinfo/date.1 b/commands/zoneinfo/date.1
new file mode 100644
index 000000000..78e3500a2
--- /dev/null
+++ b/commands/zoneinfo/date.1
@@ -0,0 +1,175 @@
+.TH DATE 1
+.SH NAME
+date \- show and set date and time
+.SH SYNOPSIS
+.if n .nh
+.if n .na
+.B date
+[
+.B \-u
+] [
+.B \-c
+] [
+.B \-n
+] [
+.B \-d
+dsttype
+] [
+.B \-t
+minutes-west
+] [
+\fB\-a \fR[\fB+\fR|\fB-]\fIsss\fB.\fIfff\fR
+] [
+.BI + format
+] [
+\fR[\fIyyyy\fR]\fImmddhhmm\fR[\fIyy\fR][\fB.\fIss\fR]
+]
+.SH DESCRIPTION
+.I Date
+without arguments writes the date and time to the standard output in
+the form
+.ce 1
+Wed Mar  8 14:54:40 EST 1989
+.br
+with
+.B EST
+replaced by the local time zone's abbreviation
+(or by the abbreviation for the time zone specified in the
+.B TZ
+environment variable if set).
+The exact output format depends on the locale.
+.PP
+If a command-line argument starts with a plus sign
+.RB (` + '),
+the rest of the argument is used as a
+.I format
+that controls what appears in the output.
+In the format, when a percent sign
+.RB (` % ')
+appears,
+it and the character after it are not output,
+but rather identify part of the date or time
+to be output in a particular way
+(or identify a special character to output):
+.nf
+.sp
+.if t .in +.5i
+.if n .in +2
+.ta \w'%M\0\0'u +\w'Wed Mar  8 14:54:40 EST 1989\0\0'u
+	Sample output	Explanation
+%a	Wed	Abbreviated weekday name*
+%A	Wednesday	Full weekday name*
+%b	Mar	Abbreviated month name*
+%B	March	Full month name*
+%c	Wed Mar 08 14:54:40 1989	Date and time*
+%C	19	Century
+%d	08	Day of month (always two digits)
+%D	03/08/89	Month/day/year (eight characters)
+%e	 8	Day of month (leading zero blanked)
+%h	Mar	Abbreviated month name*
+%H	14	24-hour-clock hour (two digits)
+%I	02	12-hour-clock hour (two digits)
+%j	067	Julian day number (three digits)
+%k	 2	12-hour-clock hour (leading zero blanked)
+%l	14	24-hour-clock hour (leading zero blanked)
+%m	03	Month number (two digits)
+%M	54	Minute (two digits)
+%n	\\n	newline character
+%p	PM	AM/PM designation
+%r	02:54:40 PM	Hour:minute:second AM/PM designation
+%R	14:54	Hour:minute
+%S	40	Second (two digits)
+%t	\\t	tab character
+%T	14:54:40	Hour:minute:second
+%U	10	Sunday-based week number (two digits)
+%w	3	Day number (one digit, Sunday is 0)
+%W	10	Monday-based week number (two digits)
+%x	03/08/89	Date*
+%X	14:54:40	Time*
+%y	89	Last two digits of year
+%Y	1989	Year in full
+%Z	EST	Time zone abbreviation
+%+	Wed Mar  8 14:54:40 EST 1989	Default output format*
+.if t .in -.5i
+.if n .in -2
+* The exact output depends on the locale.
+.sp
+.fi
+If a character other than one of those shown above appears after
+a percent sign in the format,
+that following character is output.
+All other characters in the format are copied unchanged to the output;
+a newline character is always added at the end of the output.
+.PP
+In Sunday-based week numbering,
+the first Sunday of the year begins week 1;
+days preceding it are part of ``week 0.''
+In Monday-based week numbering,
+the first Monday of the year begins week 1.
+.PP
+To set the date, use a command line argument with one of the following forms:
+.nf
+.if t .in +.5i
+.if n .in +2
+.ta \w'198903081454\0'u
+1454	24-hour-clock hours (first two digits) and minutes
+081454	Month day (first two digits), hours, and minutes
+03081454	Month (two digits, January is 01), month day, hours, minutes
+8903081454	Year, month, month day, hours, minutes
+0308145489	Month, month day, hours, minutes, year
+	(on System V-compatible systems)
+030814541989	Month, month day, hours, minutes, four-digit year
+198903081454	Four-digit year, month, month day, hours, minutes
+.if t .in -.5i
+.if n .in -2
+.fi
+If the century, year, month, or month day is not given,
+the current value is used.
+Any of the above forms may be followed by a period and two digits that give
+the seconds part of the new time; if no seconds are given, zero is assumed.
+.PP
+These options are available:
+.TP
+.BR \-u " or " \-c
+Use UTC when setting and showing the date and time.
+.TP
+.B \-n
+Do not notify other networked systems of the time change.
+.TP
+.BI "\-d " dsttype
+Set the kernel-stored Daylight Saving Time type to the given value.
+(The kernel-stored DST type is used mostly by ``old'' binaries.)
+.TP
+.BI "\-t " minutes-west
+Set the kernel-stored ``minutes west of UTC'' value to the one given on the
+command line.
+(The kernel-stored DST type is used mostly by ``old'' binaries.)
+.TP
+.BI "\-a " adjustment
+Change the time forward (or backward) by the number of seconds
+(and fractions thereof) specified in the
+.I adjustment\^
+argument.
+Either the seconds part or the fractions part of the argument (but not both)
+may be omitted.
+On BSD-based systems,
+the adjustment is made by changing the rate at which time advances;
+on System-V-based systems, the adjustment is made by changing the time.
+.SH FILES
+.ta \w'/usr/local/etc/zoneinfo/posixrules\0\0'u
+/usr/lib/locale/\f2L\fP/LC_TIME	description of time locale \f2L\fP
+.br
+/usr/local/etc/zoneinfo	time zone information directory
+.br
+/usr/local/etc/zoneinfo/localtime	local time zone file
+.br
+/usr/local/etc/zoneinfo/posixrules	used with POSIX-style TZ's
+.br
+/usr/local/etc/zoneinfo/GMT	for UTC leap seconds
+.sp
+If
+.B /usr/local/etc/zoneinfo/GMT
+is absent,
+UTC leap seconds are loaded from
+.BR /usr/local/etc/zoneinfo/posixrules .
+.\" @(#)date.1	7.4
diff --git a/commands/zoneinfo/date.1.txt b/commands/zoneinfo/date.1.txt
new file mode 100644
index 000000000..7a28c0af3
--- /dev/null
+++ b/commands/zoneinfo/date.1.txt
@@ -0,0 +1,128 @@
+NAME
+
+     date - show and set date and time
+
+SYNOPSIS
+     date [ -u ] [ -c ] [ -n ] [ -d dsttype ] [ -t minutes-west ]
+     [ -a [+|-]sss.fff ] [ +format ] [ [yyyy]mmddhhmm[yy][.ss] ]
+
+DESCRIPTION
+     Date without arguments writes the date and time to the
+     standard output in the form
+                     Wed Mar  8 14:54:40 EST 1989
+     with EST replaced by the local time zone's abbreviation (or
+     by the abbreviation for the time zone specified in the TZ
+     environment variable if set).  The exact output format
+     depends on the locale.
+
+     If a command-line argument starts with a plus sign (`+'),
+     the rest of the argument is used as a format that controls
+     what appears in the output.  In the format, when a percent
+     sign (`%') appears, it and the character after it are not
+     output, but rather identify part of the date or time to be
+     output in a particular way (or identify a special character
+     to output):
+
+           Sample output                 Explanation
+       %a  Wed                           Abbreviated weekday name*
+       %A  Wednesday                     Full weekday name*
+       %b  Mar                           Abbreviated month name*
+       %B  March                         Full month name*
+       %c  Wed Mar 08 14:54:40 1989      Date and time*
+       %C  19                            Century
+       %d  08                            Day of month (always two digits)
+       %D  03/08/89                      Month/day/year (eight characters)
+       %e   8                            Day of month (leading zero blanked)
+       %h  Mar                           Abbreviated month name*
+       %H  14                            24-hour-clock hour (two digits)
+       %I  02                            12-hour-clock hour (two digits)
+       %j  067                           Julian day number (three digits)
+       %k   2                            12-hour-clock hour (leading zero blanked)
+       %l  14                            24-hour-clock hour (leading zero blanked)
+       %m  03                            Month number (two digits)
+       %M  54                            Minute (two digits)
+       %n  \n                            newline character
+       %p  PM                            AM/PM designation
+       %r  02:54:40 PM                   Hour:minute:second AM/PM designation
+       %R  14:54                         Hour:minute
+       %S  40                            Second (two digits)
+       %t  \t                            tab character
+       %T  14:54:40                      Hour:minute:second
+       %U  10                            Sunday-based week number (two digits)
+       %w  3                             Day number (one digit, Sunday is 0)
+       %W  10                            Monday-based week number (two digits)
+       %x  03/08/89                      Date*
+       %X  14:54:40                      Time*
+       %y  89                            Last two digits of year
+       %Y  1989                          Year in full
+       %Z  EST                           Time zone abbreviation
+       %+  Wed Mar  8 14:54:40 EST 1989  Default output format*
+     * The exact output depends on the locale.
+
+     If a character other than one of those shown above appears
+     after a percent sign in the format, that following character
+     is output.  All other characters in the format are copied
+     unchanged to the output; a newline character is always added
+     at the end of the output.
+
+     In Sunday-based week numbering, the first Sunday of the year
+     begins week 1; days preceding it are part of ``week 0.''  In
+     Monday-based week numbering, the first Monday of the year
+     begins week 1.
+
+     To set the date, use a command line argument with one of the
+     following forms:
+       1454         24-hour-clock hours (first two digits) and minutes
+       081454       Month day (first two digits), hours, and minutes
+       03081454     Month (two digits, January is 01), month day, hours, minutes
+       8903081454   Year, month, month day, hours, minutes
+       0308145489   Month, month day, hours, minutes, year
+                    (on System V-compatible systems)
+       030814541989 Month, month day, hours, minutes, four-digit year
+       198903081454 Four-digit year, month, month day, hours, minutes
+     If the century, year, month, or month day is not given, the
+     current value is used.  Any of the above forms may be
+     followed by a period and two digits that give the seconds
+     part of the new time; if no seconds are given, zero is
+     assumed.
+
+     These options are available:
+
+     -u or -c
+          Use UTC when setting and showing the date and time.
+
+     -n   Do not notify other networked systems of the time
+          change.
+
+     -d dsttype
+          Set the kernel-stored Daylight Saving Time type to the
+          given value.  (The kernel-stored DST type is used
+          mostly by ``old'' binaries.)
+
+     -t minutes-west
+          Set the kernel-stored ``minutes west of UTC'' value to
+          the one given on the command line.  (The kernel-stored
+          DST type is used mostly by ``old'' binaries.)
+
+     -a adjustment
+          Change the time forward (or backward) by the number of
+          seconds (and fractions thereof) specified in the
+          adjustment argument.  Either the seconds part or the
+          fractions part of the argument (but not both) may be
+          omitted.  On BSD-based systems, the adjustment is made
+          by changing the rate at which time advances; on
+          System-V-based systems, the adjustment is made by
+          changing the time.
+
+FILES
+     /usr/lib/locale/L/LC_TIME           description of time
+     locale L
+     /usr/local/etc/zoneinfo             time zone information
+     directory
+     /usr/local/etc/zoneinfo/localtime   local time zone file
+     /usr/local/etc/zoneinfo/posixrules  used with POSIX-style
+     TZ's
+     /usr/local/etc/zoneinfo/GMT         for UTC leap seconds
+
+     If /usr/local/etc/zoneinfo/GMT is absent, UTC leap seconds
+     are loaded from /usr/local/etc/zoneinfo/posixrules.
diff --git a/commands/zoneinfo/date.c b/commands/zoneinfo/date.c
new file mode 100644
index 000000000..f89259bf8
--- /dev/null
+++ b/commands/zoneinfo/date.c
@@ -0,0 +1,974 @@
+#ifndef lint
+#ifndef NOID
+static char	elsieid[] = "@(#)date.c	7.45";
+/*
+** Modified from the UCB version with the SCCS ID appearing below.
+*/
+#endif /* !defined NOID */
+#endif /* !defined lint */
+
+/*
+ * Copyright (c) 1985, 1987, 1988 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley.  The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANT[A]BILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#ifndef lint
+char copyright[] =
+"@(#) Copyright (c) 1985, 1987, 1988 The Regents of the University of California.\n\
+ All rights reserved.\n";
+#endif /* not lint */
+
+#ifndef lint
+static char sccsid[] = "@(#)date.c	4.23 (Berkeley) 9/20/88";
+#endif /* not lint */
+
+#include "private.h"
+#if HAVE_ADJTIME || HAVE_SETTIMEOFDAY
+#include "sys/time.h"	/* for struct timeval, struct timezone */
+#endif /* HAVE_ADJTIME || HAVE_SETTIMEOFDAY */
+#include "locale.h"
+#include "utmp.h"	/* for OLD_TIME (or its absence) */
+#if HAVE_UTMPX_H
+#include "utmpx.h"
+#endif
+
+#ifndef OTIME_MSG
+#define OTIME_MSG "old time"
+#endif
+#ifndef NTIME_MSG
+#define NTIME_MSG "new time"
+#endif
+
+/*
+** The two things date knows about time are. . .
+*/
+
+#ifndef TM_YEAR_BASE
+#define TM_YEAR_BASE	1900
+#endif /* !defined TM_YEAR_BASE */
+
+#ifndef SECSPERMIN
+#define SECSPERMIN	60
+#endif /* !defined SECSPERMIN */
+
+extern double		atof();
+extern char **		environ;
+extern char *		getlogin();
+extern time_t		mktime();
+extern char *		optarg;
+extern int		optind;
+extern char *		strchr();
+extern time_t		time();
+extern char *		tzname[2];
+
+static int		retval = EXIT_SUCCESS;
+
+static void		checkfinal P((const char *, int, time_t, time_t));
+static int		comptm P((const struct tm *, const struct tm *));
+static time_t		convert P((const char *, int, time_t));
+static void		display P((const char *));
+static void		dogmt P((void));
+static void		errensure P((void));
+static void		iffy P((time_t, time_t, const char *, const char *));
+int			main P((int, char**));
+static const char *	nondigit P((const char *));
+static void		oops P((const char *));
+static void		reset P((time_t, int));
+static void		timeout P((FILE *, const char *, const struct tm *));
+static void		usage P((void));
+static void		wildinput P((const char *, const char *,
+				const char *));
+
+int
+main(argc, argv)
+const int	argc;
+char *		argv[];
+{
+	register const char *	format;
+	register const char *	value;
+	register const char *	cp;
+	register int		ch;
+	register int		dousg;
+	register int		aflag = 0;
+	register int		dflag = 0;
+	register int		nflag = 0;
+	register int		tflag = 0;
+	register int		minuteswest;
+	register int		dsttime;
+	register double		adjust;
+	time_t			now;
+	time_t			t;
+
+	INITIALIZE(dousg);
+	INITIALIZE(minuteswest);
+	INITIALIZE(dsttime);
+	INITIALIZE(adjust);
+	INITIALIZE(t);
+#ifdef LC_ALL
+	(void) setlocale(LC_ALL, "");
+#endif /* defined(LC_ALL) */
+#if HAVE_GETTEXT
+#ifdef TZ_DOMAINDIR
+	(void) bindtextdomain(TZ_DOMAIN, TZ_DOMAINDIR);
+#endif /* defined(TEXTDOMAINDIR) */
+	(void) textdomain(TZ_DOMAIN);
+#endif /* HAVE_GETTEXT */
+	(void) time(&now);
+	format = value = NULL;
+	while ((ch = getopt(argc, argv, "ucnd:t:a:")) != EOF && ch != -1) {
+		switch (ch) {
+		default:
+			usage();
+		case 'u':		/* do it in UTC */
+		case 'c':
+			dogmt();
+			break;
+		case 'n':		/* don't set network */
+			nflag = 1;
+			break;
+		case 'd':		/* daylight saving time */
+			if (dflag) {
+				(void) fprintf(stderr,
+					_("date: error: multiple -d's used"));
+				usage();
+			}
+			dflag = 1;
+			cp = optarg;
+			dsttime = atoi(cp);
+			if (*cp == '\0' || *nondigit(cp) != '\0')
+				wildinput(_("-t value"), optarg,
+					_("must be a non-negative number"));
+			break;
+		case 't':		/* minutes west of UTC */
+			if (tflag) {
+				(void) fprintf(stderr,
+					_("date: error: multiple -t's used"));
+				usage();
+			}
+			tflag = 1;
+			cp = optarg;
+			minuteswest = atoi(cp);
+			if (*cp == '+' || *cp == '-')
+				++cp;
+			if (*cp == '\0' || *nondigit(cp) != '\0')
+				wildinput(_("-d value"), optarg,
+					_("must be a number"));
+			break;
+		case 'a':		/* adjustment */
+			if (aflag) {
+				(void) fprintf(stderr,
+					_("date: error: multiple -a's used"));
+				usage();
+			}
+			aflag = 1;
+			cp = optarg;
+			adjust = atof(cp);
+			if (*cp == '+' || *cp == '-')
+				++cp;
+			if (*cp == '\0' || strcmp(cp, ".") == 0)
+				wildinput(_("-a value"), optarg,
+					_("must be a number"));
+			cp = nondigit(cp);
+			if (*cp == '.')
+				++cp;
+			if (*nondigit(cp) != '\0')
+				wildinput(_("-a value"), optarg,
+					_("must be a number"));
+			break;
+		}
+	}
+	while (optind < argc) {
+		cp = argv[optind++];
+		if (*cp == '+')
+			if (format == NULL)
+				format = cp + 1;
+			else {
+				(void) fprintf(stderr,
+_("date: error: multiple formats in command line\n"));
+				usage();
+			}
+		else	if (value == NULL)
+				value = cp;
+			else {
+				(void) fprintf(stderr,
+_("date: error: multiple values in command line\n"));
+				usage();
+			}
+	}
+	if (value != NULL) {
+		/*
+		** This order ensures that "reasonable" twelve-digit inputs
+		** (such as 120203042006) won't be misinterpreted
+		** even if time_t's range all the way back to the thirteenth
+		** century.  Do not change the order.
+		*/
+		t = convert(value, (dousg = TRUE), now);
+		if (t == -1)
+			t = convert(value, (dousg = FALSE), now);
+		if (t == -1) {
+			/*
+			** Out of range values,
+			** or time that falls in a DST transition hole?
+			*/
+			if ((cp = strchr(value, '.')) != NULL) {
+				/*
+				** Ensure that the failure of
+				**	TZ=America/New_York date 8712312359.60
+				** doesn't get misdiagnosed.  (It was
+				**	TZ=America/New_York date 8712311859.60
+				** when the leap second was inserted.)
+				** The normal check won't work since
+				** the given time is valid in UTC.
+				*/
+				if (atoi(cp + 1) >= SECSPERMIN)
+					wildinput(_("time"), value,
+					    _("out of range seconds given"));
+			}
+			dogmt();
+			t = convert(value, FALSE, now);
+			if (t == -1)
+				t = convert(value, TRUE, now);
+			wildinput(_("time"), value,
+				(t == -1) ?
+				_("out of range value given") :
+				_("time skipped when clock springs forward"));
+		}
+	}
+	/*
+	** Entire command line has now been checked.
+	*/
+	if (aflag) {
+#if HAVE_ADJTIME
+		struct timeval	tv;
+
+		tv.tv_sec = (int) adjust;
+		tv.tv_usec = (int) ((adjust - tv.tv_sec) * 1000000L);
+		if (adjtime(&tv, (struct timeval *) NULL) != 0)
+			oops("adjtime");
+#endif /* HAVE_ADJTIME */
+#if !HAVE_ADJTIME
+		reset((time_t) (now + adjust), nflag);
+#endif /* !HAVE_ADJTIME */
+		/*
+		** Sun silently ignores everything else; we follow suit.
+		*/
+		exit(retval);
+	}
+	if (dflag || tflag) {
+#if HAVE_SETTIMEOFDAY == 2
+		struct timezone	tz;
+
+		if (!dflag || !tflag)
+			if (gettimeofday((struct timeval *) NULL, &tz) != 0)
+				oops("gettimeofday");
+		if (dflag)
+			tz.tz_dsttime = dsttime;
+		if (tflag)
+			tz.tz_minuteswest = minuteswest;
+		if (settimeofday((struct timeval *) NULL, &tz) != 0)
+			oops("settimeofday");
+#endif /* HAVE_SETTIMEOFDAY == 2 */
+#if HAVE_SETTIMEOFDAY != 2
+		(void) fprintf(stderr,
+_("date: warning: kernel doesn't keep -d/-t information, option ignored\n"));
+#endif /* HAVE_SETTIMEOFDAY != 2 */
+	}
+
+	if (value == NULL)
+		display(format);
+
+	reset(t, nflag);
+
+	checkfinal(value, dousg, t, now);
+
+#ifdef EBUG
+	{
+		struct tm	tm;
+
+		tm = *localtime(&t);
+		timeout(stdout, "%c\n", &tm);
+		exit(retval);
+	}
+#endif /* defined EBUG */
+
+	display(format);
+
+	/* gcc -Wall pacifier */
+	for ( ; ; )
+		continue;
+}
+
+static void
+dogmt()
+{
+	static char **	fakeenv;
+
+	if (fakeenv == NULL) {
+		register int	from;
+		register int	to;
+		register int	n;
+		static char	tzegmt0[] = "TZ=GMT0";
+
+		for (n = 0;  environ[n] != NULL;  ++n)
+			continue;
+		fakeenv = (char **) malloc((size_t) (n + 2) * sizeof *fakeenv);
+		if (fakeenv == NULL) {
+			(void) perror(_("Memory exhausted"));
+			errensure();
+			exit(retval);
+		}
+		to = 0;
+		fakeenv[to++] = tzegmt0;
+		for (from = 1; environ[from] != NULL; ++from)
+			if (strncmp(environ[from], "TZ=", 3) != 0)
+				fakeenv[to++] = environ[from];
+		fakeenv[to] = NULL;
+		environ = fakeenv;
+	}
+}
+
+#ifdef OLD_TIME
+
+/*
+** We assume we're on a System-V-based system,
+** should use stime,
+** should write System-V-format utmp entries,
+** and don't have network notification to worry about.
+*/
+
+#include "fcntl.h"	/* for O_WRONLY, O_APPEND */
+
+/*ARGSUSED*/
+static void
+#if __STDC__
+reset(const time_t newt, const int nflag)
+#else /* !__STDC__ */
+reset(newt, nflag)
+const time_t	newt;
+const int	nflag;
+#endif /* !__STDC__ */
+{
+	register int		fid;
+	time_t			oldt;
+	static struct {
+		struct utmp	before;
+		struct utmp	after;
+	} s;
+#if HAVE_UTMPX_H
+	static struct {
+		struct utmpx	before;
+		struct utmpx	after;
+	} sx;
+#endif
+
+	/*
+	** Wouldn't it be great if stime returned the old time?
+	*/
+	(void) time(&oldt);
+	if (stime(&newt) != 0)
+		oops("stime");
+	s.before.ut_type = OLD_TIME;
+	s.before.ut_time = oldt;
+	(void) strcpy(s.before.ut_line, OTIME_MSG);
+	s.after.ut_type = NEW_TIME;
+	s.after.ut_time = newt;
+	(void) strcpy(s.after.ut_line, NTIME_MSG);
+	fid = open(WTMP_FILE, O_WRONLY | O_APPEND);
+	if (fid < 0)
+		oops(_("log file open"));
+	if (write(fid, (char *) &s, sizeof s) != sizeof s)
+		oops(_("log file write"));
+	if (close(fid) != 0)
+		oops(_("log file close"));
+#if !HAVE_UTMPX_H
+	pututline(&s.before);
+	pututline(&s.after);
+#endif /* !HAVE_UTMPX_H */
+#if HAVE_UTMPX_H
+	sx.before.ut_type = OLD_TIME;
+	sx.before.ut_tv.tv_sec = oldt;
+	(void) strcpy(sx.before.ut_line, OTIME_MSG);
+	sx.after.ut_type = NEW_TIME;
+	sx.after.ut_tv.tv_sec = newt;
+	(void) strcpy(sx.after.ut_line, NTIME_MSG);
+#if !SUPPRESS_WTMPX_FILE_UPDATE
+	/* In Solaris 2.5 (and presumably other systems),
+	   `date' does not update /var/adm/wtmpx.
+	   This must be a bug.  If you'd like to reproduce the bug,
+	   define SUPPRESS_WTMPX_FILE_UPDATE to be nonzero.  */
+	fid = open(WTMPX_FILE, O_WRONLY | O_APPEND);
+	if (fid < 0)
+		oops(_("log file open"));
+	if (write(fid, (char *) &sx, sizeof sx) != sizeof sx)
+		oops(_("log file write"));
+	if (close(fid) != 0)
+		oops(_("log file close"));
+#endif /* !SUPPRESS_WTMPX_FILE_UPDATE */
+	pututxline(&sx.before);
+	pututxline(&sx.after);
+#endif /* HAVE_UTMPX_H */
+}
+
+#endif /* defined OLD_TIME */
+#ifndef OLD_TIME
+
+/*
+** We assume we're on a BSD-based system,
+** should use settimeofday,
+** should write BSD-format utmp entries (using logwtmp),
+** and may get to worry about network notification.
+** The "time name" changes between 4.3-tahoe and 4.4;
+** we include sys/param.h to determine which we should use.
+*/
+
+#ifndef TIME_NAME
+#include "sys/param.h"
+#ifdef BSD4_4
+#define TIME_NAME	"date"
+#endif /* defined BSD4_4 */
+#ifndef BSD4_4
+#define TIME_NAME	""
+#endif /* !defined BSD4_4 */
+#endif /* !defined TIME_NAME */
+
+#include "syslog.h"
+#include "sys/socket.h"
+#include "netinet/in.h"
+#include "netdb.h"
+#define TSPTYPES
+#include "protocols/timed.h"
+
+extern int		logwtmp();
+
+#if HAVE_SETTIMEOFDAY == 1
+#define settimeofday(t, tz) (settimeofday)(t)
+#endif /* HAVE_SETTIMEOFDAY == 1 */
+
+#ifndef TSP_SETDATE
+/*ARGSUSED*/
+#endif /* !defined TSP_SETDATE */
+static void
+reset(newt, nflag)
+const time_t	newt;
+const int	nflag;
+{
+	register const char *	username;
+	static struct timeval	tv;	/* static so tv_usec is 0 */
+
+#ifdef EBUG
+	return;
+#endif /* defined EBUG */
+	username = getlogin();
+	if (username == NULL || *username == '\0') /* single-user or no tty */
+		username = "root";
+	tv.tv_sec = newt;
+#ifdef TSP_SETDATE
+	if (nflag || !netsettime(tv))
+#endif /* defined TSP_SETDATE */
+	{
+		/*
+		** "old" entry is always written, for compatibility.
+		*/
+		logwtmp("|", TIME_NAME, "");
+		if (settimeofday(&tv, (struct timezone *) NULL) == 0) {
+			logwtmp("{", TIME_NAME, "");	/* } */
+			syslog(LOG_AUTH | LOG_NOTICE, _("date set by %s"),
+				username);
+		} else	oops("settimeofday");
+	}
+}
+
+#endif /* !defined OLD_TIME */
+
+static void
+wildinput(item, value, reason)
+const char * const	item;
+const char * const	value;
+const char * const	reason;
+{
+	(void) fprintf(stderr,
+		_("date: error: bad command line %s \"%s\", %s\n"),
+		item, value, reason);
+	usage();
+}
+
+static void
+errensure P((void))
+{
+	if (retval == EXIT_SUCCESS)
+		retval = EXIT_FAILURE;
+}
+
+static const char *
+nondigit(cp)
+register const char *	cp;
+{
+	while (is_digit(*cp))
+		++cp;
+	return cp;
+}
+
+static void
+usage P((void))
+{
+	(void) fprintf(stderr, _("date: usage is date [-u] [-c] [-n] [-d dst] \
+[-t min-west] [-a sss.fff] [[yyyy]mmddhhmm[yyyy][.ss]] [+format]\n"));
+	errensure();
+	exit(retval);
+}
+
+static void
+oops(string)
+const char * const	string;
+{
+	int		e = errno;
+
+	(void) fprintf(stderr, _("date: error: "));
+	errno = e;
+	(void) perror(string);
+	errensure();
+	display((char *) NULL);
+}
+
+static void
+display(format)
+const char * const	format;
+{
+	struct tm	tm;
+	time_t		now;
+
+	(void) time(&now);
+	tm = *localtime(&now);
+	timeout(stdout, format ? format : "%+", &tm);
+	(void) putchar('\n');
+	(void) fflush(stdout);
+	(void) fflush(stderr);
+	if (ferror(stdout) || ferror(stderr)) {
+		(void) fprintf(stderr,
+			_("date: error: couldn't write results\n"));
+		errensure();
+	}
+	exit(retval);
+}
+
+extern size_t	strftime();
+
+#define INCR	1024
+
+static void
+timeout(fp, format, tmp)
+FILE * const		fp;
+const char * const	format;
+const struct tm * const	tmp;
+{
+	char *	cp;
+	size_t	result;
+	size_t	size;
+
+	if (*format == '\0')
+		return;
+	size = INCR;
+	cp = malloc((size_t) size);
+	for ( ; ; ) {
+		if (cp == NULL) {
+			(void) fprintf(stderr,
+				_("date: error: can't get memory\n"));
+			errensure();
+			exit(retval);
+		}
+		cp[0] = '\1';
+		result = strftime(cp, size, format, tmp);
+		if (result != 0 || cp[0] == '\0')
+			break;
+		size += INCR;
+		cp = realloc(cp, (size_t) size);
+	}
+	(void) fwrite(cp, 1, result, fp);
+	free(cp);
+}
+
+static int
+comptm(atmp, btmp)
+register const struct tm * const atmp;
+register const struct tm * const btmp;
+{
+	register int	result;
+
+	if ((result = (atmp->tm_year - btmp->tm_year)) == 0 &&
+		(result = (atmp->tm_mon - btmp->tm_mon)) == 0 &&
+		(result = (atmp->tm_mday - btmp->tm_mday)) == 0 &&
+		(result = (atmp->tm_hour - btmp->tm_hour)) == 0 &&
+		(result = (atmp->tm_min - btmp->tm_min)) == 0)
+			result = atmp->tm_sec - btmp->tm_sec;
+	return result;
+}
+
+/*
+** convert --
+**	convert user's input into a time_t.
+*/
+
+#define ATOI2(ar)	(ar[0] - '0') * 10 + (ar[1] - '0'); ar += 2;
+
+static time_t
+#if __STDC__
+convert(register const char * const value, const int dousg, const time_t t)
+#else /* !__STDC__ */
+convert(value, dousg, t)
+register const char * const	value;
+const int			dousg;
+const time_t			t;
+#endif /* !__STDC__ */
+{
+	register const char *	cp;
+	register const char *	dotp;
+	register int	cent, year_in_cent, month, hour, day, mins, secs;
+	struct tm	tm, outtm;
+	time_t		outt;
+
+	tm = *localtime(&t);
+#define DIVISOR	100
+	year_in_cent = tm.tm_year % DIVISOR + TM_YEAR_BASE % DIVISOR;
+	cent = tm.tm_year / DIVISOR + TM_YEAR_BASE / DIVISOR +
+		year_in_cent / DIVISOR;
+	year_in_cent %= DIVISOR;
+	if (year_in_cent < 0) {
+		year_in_cent += DIVISOR;
+		--cent;
+	}
+	month = tm.tm_mon + 1;
+	day = tm.tm_mday;
+	hour = tm.tm_hour;
+	mins = tm.tm_min;
+	secs = 0;
+
+	dotp = strchr(value, '.');
+	for (cp = value; *cp != '\0'; ++cp)
+		if (!is_digit(*cp) && cp != dotp)
+			wildinput(_("time"), value, _("contains a nondigit"));
+
+	if (dotp == NULL)
+		dotp = strchr(value, '\0');
+	else {
+		cp = dotp + 1;
+		if (strlen(cp) != 2)
+			wildinput(_("time"), value,
+				_("seconds part is not two digits"));
+		secs = ATOI2(cp);
+	}
+
+	cp = value;
+	switch (dotp - cp) {
+		default:
+			wildinput(_("time"), value,
+				_("main part is wrong length"));
+		case 12:
+			if (!dousg) {
+				cent = ATOI2(cp);
+				year_in_cent = ATOI2(cp);
+			}
+			month = ATOI2(cp);
+			day = ATOI2(cp);
+			hour = ATOI2(cp);
+			mins = ATOI2(cp);
+			if (dousg) {
+				cent = ATOI2(cp);
+				year_in_cent = ATOI2(cp);
+			}
+			break;
+		case 8:	/* mmddhhmm */
+			month = ATOI2(cp);
+			/* fall through to. . . */
+		case 6:	/* ddhhmm */
+			day = ATOI2(cp);
+			/* fall through to. . . */
+		case 4:	/* hhmm */
+			hour = ATOI2(cp);
+			mins = ATOI2(cp);
+			break;
+		case 10:
+			if (!dousg) {
+				year_in_cent = ATOI2(cp);
+			}
+			month = ATOI2(cp);
+			day = ATOI2(cp);
+			hour = ATOI2(cp);
+			mins = ATOI2(cp);
+			if (dousg) {
+				year_in_cent = ATOI2(cp);
+			}
+			break;
+	}
+
+	tm.tm_year = cent * 100 + year_in_cent - TM_YEAR_BASE;
+	tm.tm_mon = month - 1;
+	tm.tm_mday = day;
+	tm.tm_hour = hour;
+	tm.tm_min = mins;
+	tm.tm_sec = secs;
+	tm.tm_isdst = -1;
+	outtm = tm;
+	outt = mktime(&outtm);
+	return (comptm(&tm, &outtm) == 0) ? outt : -1;
+}
+
+/*
+** Code from here on out is either based on code provided by UCB
+** or is only called just before the program exits.
+*/
+
+/*
+** Check for iffy input.
+*/
+
+static void
+#if __STDC__
+checkfinal(const char * const	value,
+	   const int		didusg,
+	   const time_t		t,
+	   const time_t		oldnow)
+#else /* !__STDC__ */
+checkfinal(value, didusg, t, oldnow)
+const char * const	value;
+const int		didusg;
+const time_t		t;
+const time_t		oldnow;
+#endif /* !__STDC__ */
+{
+	time_t		othert;
+	struct tm	tm;
+	struct tm	othertm;
+	register int	pass;
+	register long	offset;
+
+	/*
+	** See if there's both a USG and a BSD interpretation.
+	*/
+	othert = convert(value, !didusg, oldnow);
+	if (othert != -1 && othert != t)
+		iffy(t, othert, value, _("year could be at start or end"));
+	/*
+	** See if there's both a DST and a STD version.
+	*/
+	tm = *localtime(&t);
+	othertm = tm;
+	othertm.tm_isdst = !tm.tm_isdst;
+	othert = mktime(&othertm);
+	if (othert != -1 && othertm.tm_isdst != tm.tm_isdst &&
+		comptm(&tm, &othertm) == 0)
+			iffy(t, othert, value,
+			    _("both standard and summer time versions exist"));
+/*
+** Final check.
+**
+** If a jurisdiction shifts time *without* shifting whether time is
+** summer or standard (as Hawaii, the United Kingdom, and Saudi Arabia
+** have done), routine checks for iffy times may not work.
+** So we perform this final check, deferring it until after the time has
+** been set--it may take a while, and we don't want to introduce an unnecessary
+** lag between the time the user enters their command and the time that
+** stime/settimeofday is called.
+**
+** We just check nearby times to see if any have the same representation
+** as the time that convert returned.  We work our way out from the center
+** for quick response in solar time situations.  We only handle common cases--
+** offsets of at most a minute, and offsets of exact numbers of minutes
+** and at most an hour.
+*/
+	for (offset = 1; offset <= 60; ++offset)
+		for (pass = 1; pass <= 4; ++pass) {
+			if (pass == 1)
+				othert = t + offset;
+			else if (pass == 2)
+				othert = t - offset;
+			else if (pass == 3)
+				othert = t + 60 * offset;
+			else	othert = t - 60 * offset;
+			othertm = *localtime(&othert);
+			if (comptm(&tm, &othertm) == 0)
+				iffy(t, othert, value,
+					_("multiple matching times exist"));
+		}
+}
+
+static void
+#if __STDC__
+iffy(const time_t thist, const time_t thatt,
+	const char * const value, const char * const reason)
+#else /* !__STDC__ */
+iffy(thist, thatt, value, reason)
+const time_t		thist;
+const time_t		thatt;
+const char * const	value;
+const char * const	reason;
+#endif /* !__STDC__ */
+{
+	struct tm	tm;
+
+	(void) fprintf(stderr, _("date: warning: ambiguous time \"%s\", %s.\n"),
+		value, reason);
+	tm = *gmtime(&thist);
+	/*
+	** Avoid running afoul of SCCS!
+	*/
+	timeout(stderr, _("Time was set as if you used\n\tdate -u %m%d%H\
+%M\
+%Y.%S\n"), &tm);
+	tm = *localtime(&thist);
+	timeout(stderr, _("to get %c"), &tm);
+	(void) fprintf(stderr, _(" (%s).  Use\n"),
+		tm.tm_isdst ? _("summer time") : _("standard time"));
+	tm = *gmtime(&thatt);
+	timeout(stderr, _("\tdate -u %m%d%H\
+%M\
+%Y.%S\n"), &tm);
+	tm = *localtime(&thatt);
+	timeout(stderr, _("to get %c"), &tm);
+	(void) fprintf(stderr, _(" (%s).\n"),
+		tm.tm_isdst ? _("summer time") : _("standard time"));
+	errensure();
+	exit(retval);
+}
+
+#ifdef TSP_SETDATE
+#define WAITACK		2	/* seconds */
+#define WAITDATEACK	5	/* seconds */
+
+/*
+ * Set the date in the machines controlled by timedaemons
+ * by communicating the new date to the local timedaemon.
+ * If the timedaemon is in the master state, it performs the
+ * correction on all slaves.  If it is in the slave state, it
+ * notifies the master that a correction is needed.
+ * Returns 1 on success, 0 on failure.
+ */
+netsettime(ntv)
+	struct timeval ntv;
+{
+	int s, length, port, timed_ack, found, err;
+	long waittime;
+	fd_set ready;
+	char hostname[MAXHOSTNAMELEN];
+	struct timeval tout;
+	struct servent *sp;
+	struct tsp msg;
+	struct sockaddr_in sin, dest, from;
+
+	sp = getservbyname("timed", "udp");
+	if (sp == 0) {
+		fputs(_("udp/timed: unknown service\n"), stderr);
+		retval = 2;
+		return (0);
+	}
+	dest.sin_port = sp->s_port;
+	dest.sin_family = AF_INET;
+	dest.sin_addr.s_addr = htonl((u_long)INADDR_ANY);
+	s = socket(AF_INET, SOCK_DGRAM, 0);
+	if (s < 0) {
+		if (errno != EPROTONOSUPPORT)
+			perror("date: socket");
+		goto bad;
+	}
+	bzero((char *)&sin, sizeof (sin));
+	sin.sin_family = AF_INET;
+	for (port = IPPORT_RESERVED - 1; port > IPPORT_RESERVED / 2; port--) {
+		sin.sin_port = htons((u_short)port);
+		if (bind(s, (struct sockaddr *)&sin, sizeof (sin)) >= 0)
+			break;
+		if (errno != EADDRINUSE) {
+			if (errno != EADDRNOTAVAIL)
+				perror("date: bind");
+			goto bad;
+		}
+	}
+	if (port == IPPORT_RESERVED / 2) {
+		fputs(_("date: All ports in use\n"), stderr);
+		goto bad;
+	}
+	msg.tsp_type = TSP_SETDATE;
+	msg.tsp_vers = TSPVERSION;
+	if (gethostname(hostname, sizeof (hostname))) {
+		perror("gethostname");
+		goto bad;
+	}
+	(void) strncpy(msg.tsp_name, hostname, sizeof (hostname));
+	msg.tsp_seq = htons((u_short)0);
+	msg.tsp_time.tv_sec = htonl((u_long)ntv.tv_sec);
+	msg.tsp_time.tv_usec = htonl((u_long)ntv.tv_usec);
+	length = sizeof (struct sockaddr_in);
+	if (connect(s, &dest, length) < 0) {
+		perror("date: connect");
+		goto bad;
+	}
+	if (send(s, (char *)&msg, sizeof (struct tsp), 0) < 0) {
+		if (errno != ECONNREFUSED)
+			perror("date: send");
+		goto bad;
+	}
+	timed_ack = -1;
+	waittime = WAITACK;
+loop:
+	tout.tv_sec = waittime;
+	tout.tv_usec = 0;
+	FD_ZERO(&ready);
+	FD_SET(s, &ready);
+	found = select(FD_SETSIZE, &ready, (fd_set *)0, (fd_set *)0, &tout);
+	length = sizeof err;
+	if (getsockopt(s, SOL_SOCKET, SO_ERROR, (char *)&err, &length) == 0
+	    && err) {
+		errno = err;
+		if (errno != ECONNREFUSED)
+			perror(_("date: send (delayed error)"));
+		goto bad;
+	}
+	if (found > 0 && FD_ISSET(s, &ready)) {
+		length = sizeof (struct sockaddr_in);
+		if (recvfrom(s, (char *)&msg, sizeof (struct tsp), 0, &from,
+		    &length) < 0) {
+			if (errno != ECONNREFUSED)
+				perror("date: recvfrom");
+			goto bad;
+		}
+		msg.tsp_seq = ntohs(msg.tsp_seq);
+		msg.tsp_time.tv_sec = ntohl(msg.tsp_time.tv_sec);
+		msg.tsp_time.tv_usec = ntohl(msg.tsp_time.tv_usec);
+		switch (msg.tsp_type) {
+
+		case TSP_ACK:
+			timed_ack = TSP_ACK;
+			waittime = WAITDATEACK;
+			goto loop;
+
+		case TSP_DATEACK:
+			(void)close(s);
+			return (1);
+
+		default:
+			fprintf(stderr,
+				_("date: Wrong ack received from timed: %s\n"),
+				tsptype[msg.tsp_type]);
+			timed_ack = -1;
+			break;
+		}
+	}
+	if (timed_ack == -1)
+		fputs(_("date: Can't reach time daemon, time set locally.\n"),
+			stderr);
+bad:
+	(void)close(s);
+	retval = 2;
+	return (0);
+}
+#endif /* defined TSP_SETDATE */
diff --git a/commands/zoneinfo/difftime.c b/commands/zoneinfo/difftime.c
new file mode 100644
index 000000000..c5efbcae7
--- /dev/null
+++ b/commands/zoneinfo/difftime.c
@@ -0,0 +1,65 @@
+/*
+** This file is in the public domain, so clarified as of
+** 1996-06-05 by Arthur David Olson.
+*/
+
+#ifndef lint
+#ifndef NOID
+static char	elsieid[] = "@(#)difftime.c	7.19";
+#endif /* !defined NOID */
+#endif /* !defined lint */
+
+/*LINTLIBRARY*/
+
+#include "private.h"	/* for time_t, TYPE_INTEGRAL, and TYPE_SIGNED */
+
+double
+difftime(time1, time0)
+const time_t	time1;
+const time_t	time0;
+{
+	/*
+	** If (sizeof (double) > sizeof (time_t)) simply convert and subtract
+	** (assuming that the larger type has more precision).
+	** This is the common real-world case circa 2004.
+	*/
+	if (sizeof (double) > sizeof (time_t))
+		return (double) time1 - (double) time0;
+	if (!TYPE_INTEGRAL(time_t)) {
+		/*
+		** time_t is floating.
+		*/
+		return time1 - time0;
+	}
+	if (!TYPE_SIGNED(time_t)) {
+		/*
+		** time_t is integral and unsigned.
+		** The difference of two unsigned values can't overflow
+		** if the minuend is greater than or equal to the subtrahend.
+		*/
+		if (time1 >= time0)
+			return time1 - time0;
+		else	return -((double) (time0 - time1));
+	}
+	/*
+	** time_t is integral and signed.
+	** Handle cases where both time1 and time0 have the same sign
+	** (meaning that their difference cannot overflow).
+	*/
+	if ((time1 < 0) == (time0 < 0))
+		return time1 - time0;
+	/*
+	** time1 and time0 have opposite signs.
+	** Punt if unsigned long is too narrow.
+	*/
+	if (sizeof (unsigned long) < sizeof (time_t))
+		return (double) time1 - (double) time0;
+	/*
+	** Stay calm...decent optimizers will eliminate the complexity below.
+	*/
+	if (time1 >= 0 /* && time0 < 0 */)
+		return (unsigned long) time1 +
+			(unsigned long) (-(time0 + 1)) + 1;
+	return -(double) ((unsigned long) time0 +
+		(unsigned long) (-(time1 + 1)) + 1);
+}
diff --git a/commands/zoneinfo/etcetera b/commands/zoneinfo/etcetera
new file mode 100644
index 000000000..cddbe8a29
--- /dev/null
+++ b/commands/zoneinfo/etcetera
@@ -0,0 +1,80 @@
+# @(#)etcetera	8.1
+
+# These entries are mostly present for historical reasons, so that
+# people in areas not otherwise covered by the tz files could "zic -l"
+# to a time zone that was right for their area.  These days, the
+# tz files cover almost all the inhabited world, and the only practical
+# need now for the entries that are not on UTC are for ships at sea
+# that cannot use POSIX TZ settings.
+
+Zone	Etc/GMT		0	-	GMT
+Zone	Etc/UTC		0	-	UTC
+Zone	Etc/UCT		0	-	UCT
+
+# The following link uses older naming conventions,
+# but it belongs here, not in the file `backward',
+# as functions like gmtime load the "GMT" file to handle leap seconds properly.
+# We want this to work even on installations that omit the other older names.
+Link	Etc/GMT				GMT
+
+Link	Etc/UTC				Etc/Universal
+Link	Etc/UTC				Etc/Zulu
+
+Link	Etc/GMT				Etc/Greenwich
+Link	Etc/GMT				Etc/GMT-0
+Link	Etc/GMT				Etc/GMT+0
+Link	Etc/GMT				Etc/GMT0
+
+# We use POSIX-style signs in the Zone names and the output abbreviations,
+# even though this is the opposite of what many people expect.
+# POSIX has positive signs west of Greenwich, but many people expect
+# positive signs east of Greenwich.  For example, TZ='Etc/GMT+4' uses
+# the abbreviation "GMT+4" and corresponds to 4 hours behind UTC
+# (i.e. west of Greenwich) even though many people would expect it to
+# mean 4 hours ahead of UTC (i.e. east of Greenwich).
+#
+# In the draft 5 of POSIX 1003.1-200x, the angle bracket notation
+# (which is not yet supported by the tz code) allows for
+# TZ='+4'; if you want time zone abbreviations conforming to
+# ISO 8601 you can use TZ='<-0400>+4'.  Thus the commonly-expected
+# offset is kept within the angle bracket (and is used for display)
+# while the POSIX sign is kept outside the angle bracket (and is used
+# for calculation).
+#
+# Do not use a TZ setting like TZ='GMT+4', which is four hours behind
+# GMT but uses the completely misleading abbreviation "GMT".
+
+# Earlier incarnations of this package were not POSIX-compliant,
+# and had lines such as
+#		Zone	GMT-12		-12	-	GMT-1200
+# We did not want things to change quietly if someone accustomed to the old
+# way does a
+#		zic -l GMT-12
+# so we moved the names into the Etc subdirectory.
+
+Zone	Etc/GMT-14	14	-	GMT-14	# 14 hours ahead of GMT
+Zone	Etc/GMT-13	13	-	GMT-13
+Zone	Etc/GMT-12	12	-	GMT-12
+Zone	Etc/GMT-11	11	-	GMT-11
+Zone	Etc/GMT-10	10	-	GMT-10
+Zone	Etc/GMT-9	9	-	GMT-9
+Zone	Etc/GMT-8	8	-	GMT-8
+Zone	Etc/GMT-7	7	-	GMT-7
+Zone	Etc/GMT-6	6	-	GMT-6
+Zone	Etc/GMT-5	5	-	GMT-5
+Zone	Etc/GMT-4	4	-	GMT-4
+Zone	Etc/GMT-3	3	-	GMT-3
+Zone	Etc/GMT-2	2	-	GMT-2
+Zone	Etc/GMT-1	1	-	GMT-1
+Zone	Etc/GMT+1	-1	-	GMT+1
+Zone	Etc/GMT+2	-2	-	GMT+2
+Zone	Etc/GMT+3	-3	-	GMT+3
+Zone	Etc/GMT+4	-4	-	GMT+4
+Zone	Etc/GMT+5	-5	-	GMT+5
+Zone	Etc/GMT+6	-6	-	GMT+6
+Zone	Etc/GMT+7	-7	-	GMT+7
+Zone	Etc/GMT+8	-8	-	GMT+8
+Zone	Etc/GMT+9	-9	-	GMT+9
+Zone	Etc/GMT+10	-10	-	GMT+10
+Zone	Etc/GMT+11	-11	-	GMT+11
+Zone	Etc/GMT+12	-12	-	GMT+12
diff --git a/commands/zoneinfo/europe b/commands/zoneinfo/europe
new file mode 100644
index 000000000..79c068ee5
--- /dev/null
+++ b/commands/zoneinfo/europe
@@ -0,0 +1,2519 @@
+# @(#)europe	8.10
+# 
+
+# This data is by no means authoritative; if you think you know better,
+# go ahead and edit the file (and please send any changes to
+# tz@elsie.nci.nih.gov for general use in the future).
+
+# From Paul Eggert (2006-03-22):
+# A good source for time zone historical data outside the U.S. is
+# Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),
+# San Diego: ACS Publications, Inc. (2003).
+#
+# Gwillim Law writes that a good source
+# for recent time zone data is the International Air Transport
+# Association's Standard Schedules Information Manual (IATA SSIM),
+# published semiannually.  Law sent in several helpful summaries
+# of the IATA's data after 1990.
+#
+# Except where otherwise noted, Shanks & Pottenger is the source for
+# entries through 1991, and IATA SSIM is the source for entries afterwards.
+#
+# Other sources occasionally used include:
+#
+#	Edward W. Whitman, World Time Differences,
+#	Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated),
+#	which I found in the UCLA library.
+#
+#	
+#	William Willett, The Waste of Daylight, 19th edition
+#	 (1914-03)
+#
+#	Brazil's Departamento Servico da Hora (DSH),
+#	
+#	History of Summer Time
+#	 (1998-09-21, in Portuguese)
+
+#
+# I invented the abbreviations marked `*' in the following table;
+# the rest are from earlier versions of this file, or from other sources.
+# Corrections are welcome!
+#                   std dst  2dst
+#                   LMT           Local Mean Time
+#       -4:00       AST ADT       Atlantic
+#       -3:00       WGT WGST      Western Greenland*
+#       -1:00       EGT EGST      Eastern Greenland*
+#        0:00       GMT BST  BDST Greenwich, British Summer
+#        0:00       GMT IST       Greenwich, Irish Summer
+#        0:00       WET WEST WEMT Western Europe
+#        0:19:32.13 AMT NST       Amsterdam, Netherlands Summer (1835-1937)*
+#        0:20       NET NEST      Netherlands (1937-1940)*
+#        1:00       CET CEST CEMT Central Europe
+#        1:00:14    SET           Swedish (1879-1899)*
+#        2:00       EET EEST      Eastern Europe
+#        3:00       MSK MSD       Moscow
+#
+# A reliable and entertaining source about time zones, especially in Britain,
+# Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997).
+
+# From Peter Ilieve (1994-12-04),
+# The original six [EU members]: Belgium, France, (West) Germany, Italy,
+# Luxembourg, the Netherlands.
+# Plus, from 1 Jan 73: Denmark, Ireland, United Kingdom.
+# Plus, from 1 Jan 81: Greece.
+# Plus, from 1 Jan 86: Spain, Portugal.
+# Plus, from 1 Jan 95: Austria, Finland, Sweden. (Norway negotiated terms for
+# entry but in a referendum on 28 Nov 94 the people voted No by 52.2% to 47.8%
+# on a turnout of 88.6%. This was almost the same result as Norway's previous
+# referendum in 1972, they are the only country to have said No twice.
+# Referendums in the other three countries voted Yes.)
+# ...
+# Estonia ... uses EU dates but not at 01:00 GMT, they use midnight GMT.
+# I don't think they know yet what they will do from 1996 onwards.
+# ...
+# There shouldn't be any [current members who are not using EU rules].
+# A Directive has the force of law, member states are obliged to enact
+# national law to implement it. The only contentious issue was the
+# different end date for the UK and Ireland, and this was always allowed
+# in the Directive.
+
+
+###############################################################################
+
+# Britain (United Kingdom) and Ireland (Eire)
+
+# From Peter Ilieve (1994-07-06):
+#
+# On 17 Jan 1994 the Independent, a UK quality newspaper, had a piece about
+# historical vistas along the Thames in west London. There was a photo
+# and a sketch map showing some of the sightlines involved. One paragraph
+# of the text said:
+#
+# `An old stone obelisk marking a forgotten terrestrial meridian stands
+# beside the river at Kew. In the 18th century, before time and longitude
+# was standardised by the Royal Observatory in Greenwich, scholars observed
+# this stone and the movement of stars from Kew Observatory nearby. They
+# made their calculations and set the time for the Horse Guards and Parliament,
+# but now the stone is obscured by scrubwood and can only be seen by walking
+# along the towpath within a few yards of it.'
+#
+# I have a one inch to one mile map of London and my estimate of the stone's
+# position is 51 deg. 28' 30" N, 0 deg. 18' 45" W. The longitude should
+# be within about +-2". The Ordnance Survey grid reference is TQ172761.
+#
+# [This yields GMTOFF = -0:01:15 for London LMT in the 18th century.]
+
+# From Paul Eggert (1993-11-18):
+#
+# Howse writes that Britain was the first country to use standard time.
+# The railways cared most about the inconsistencies of local mean time,
+# and it was they who forced a uniform time on the country.
+# The original idea was credited to Dr. William Hyde Wollaston (1766-1828)
+# and was popularized by Abraham Follett Osler (1808-1903).
+# The first railway to adopt London time was the Great Western Railway
+# in November 1840; other railways followed suit, and by 1847 most
+# (though not all) railways used London time.  On 1847-09-22 the
+# Railway Clearing House, an industry standards body, recommended that GMT be
+# adopted at all stations as soon as the General Post Office permitted it.
+# The transition occurred on 12-01 for the L&NW, the Caledonian,
+# and presumably other railways; the January 1848 Bradshaw's lists many
+# railways as using GMT.  By 1855 the vast majority of public
+# clocks in Britain were set to GMT (though some, like the great clock
+# on Tom Tower at Christ Church, Oxford, were fitted with two minute hands,
+# one for local time and one for GMT).  The last major holdout was the legal
+# system, which stubbornly stuck to local time for many years, leading
+# to oddities like polls opening at 08:13 and closing at 16:13.
+# The legal system finally switched to GMT when the Statutes (Definition
+# of Time) Act took effect; it received the Royal Assent on 1880-08-02.
+#
+# In the tables below, we condense this complicated story into a single
+# transition date for London, namely 1847-12-01.  We don't know as much
+# about Dublin, so we use 1880-08-02, the legal transition time.
+
+# From Paul Eggert (2003-09-27):
+# Summer Time was first seriously proposed by William Willett (1857-1915),
+# a London builder and member of the Royal Astronomical Society
+# who circulated a pamphlet ``The Waste of Daylight'' (1907)
+# that proposed advancing clocks 20 minutes on each of four Sundays in April,
+# and retarding them by the same amount on four Sundays in September.
+# A bill was drafted in 1909 and introduced in Parliament several times,
+# but it met with ridicule and opposition, especially from farming interests.
+# Later editions of the pamphlet proposed one-hour summer time, and
+# it was eventually adopted as a wartime measure in 1916.
+# See: Summer Time Arrives Early, The Times (2000-05-18).
+# A monument to Willett was unveiled on 1927-05-21, in an open space in
+# a 45-acre wood near Chislehurst, Kent that was purchased by popular
+# subscription and open to the public.  On the south face of the monolith,
+# designed by G. W. Miller, is the the William Willett Memorial Sundial,
+# which is permanently set to Summer Time.
+
+# From Winston Churchill (1934-04-28):
+# It is one of the paradoxes of history that we should owe the boon of
+# summer time, which gives every year to the people of this country
+# between 160 and 170 hours more daylight leisure, to a war which
+# plunged Europe into darkness for four years, and shook the
+# foundations of civilization throughout the world.
+#	-- 
+#	"A Silent Toast to William Willett", Pictorial Weekly
+#	
+
+# From Paul Eggert (1996-09-03):
+# The OED Supplement says that the English originally said ``Daylight Saving''
+# when they were debating the adoption of DST in 1908; but by 1916 this
+# term appears only in quotes taken from DST's opponents, whereas the
+# proponents (who eventually won the argument) are quoted as using ``Summer''.
+
+# From Arthur David Olson (1989-01-19):
+#
+# A source at the British Information Office in New York avers that it's
+# known as "British" Summer Time in all parts of the United Kingdom.
+
+# Date: 4 Jan 89 08:57:25 GMT (Wed)
+# From: Jonathan Leffler
+# [British Summer Time] is fixed annually by Act of Parliament.
+# If you can predict what Parliament will do, you should be in
+# politics making a fortune, not computing.
+
+# From Chris Carrier (1996-06-14):
+# I remember reading in various wartime issues of the London Times the
+# acronym BDST for British Double Summer Time.  Look for the published
+# time of sunrise and sunset in The Times, when BDST was in effect, and
+# if you find a zone reference it will say, "All times B.D.S.T."
+
+# From Joseph S. Myers (1999-09-02):
+# ... some military cables (WO 219/4100 - this is a copy from the
+# main SHAEF archives held in the US National Archives, SHAEF/5252/8/516)
+# agree that the usage is BDST (this appears in a message dated 17 Feb 1945).
+
+# From Joseph S. Myers (2000-10-03):
+# On 18th April 1941, Sir Stephen Tallents of the BBC wrote to Sir
+# Alexander Maxwell of the Home Office asking whether there was any
+# official designation; the reply of the 21st was that there wasn't
+# but he couldn't think of anything better than the "Double British
+# Summer Time" that the BBC had been using informally.
+# http://student.cusu.cam.ac.uk/~jsm28/british-time/bbc-19410418.png
+# http://student.cusu.cam.ac.uk/~jsm28/british-time/ho-19410421.png
+
+# From Sir Alexander Maxwell in the above-mentioned letter (1941-04-21):
+# [N]o official designation has as far as I know been adopted for the time
+# which is to be introduced in May....
+# I cannot think of anything better than "Double British Summer Time"
+# which could not be said to run counter to any official description.
+
+# From Paul Eggert (2000-10-02):
+# Howse writes (p 157) `DBST' too, but `BDST' seems to have been common
+# and follows the more usual convention of putting the location name first,
+# so we use `BDST'.
+
+# Peter Ilieve (1998-04-19) described at length
+# the history of summer time legislation in the United Kingdom.
+# Since 1998 Joseph S. Myers has been updating
+# and extending this list, which can be found in
+# 
+# History of legal time in Britain
+# 
+
+# From Joseph S. Myers (1998-01-06):
+#
+# The legal time in the UK outside of summer time is definitely GMT, not UTC;
+# see Lord Tanlaw's speech
+# 
+# (Lords Hansard 11 June 1997 columns 964 to 976)
+# .
+
+# From Paul Eggert (2006-03-22):
+#
+# For lack of other data, follow Shanks & Pottenger for Eire in 1940-1948.
+#
+# Given Ilieve and Myers's data, the following claims by Shanks & Pottenger
+# are incorrect:
+#     * Wales did not switch from GMT to daylight saving time until
+#	1921 Apr 3, when they began to conform with the rest of Great Britain.
+# Actually, Wales was identical after 1880.
+#     * Eire had two transitions on 1916 Oct 1.
+# It actually just had one transition.
+#     * Northern Ireland used single daylight saving time throughout WW II.
+# Actually, it conformed to Britain.
+#     * GB-Eire changed standard time to 1 hour ahead of GMT on 1968-02-18.
+# Actually, that date saw the usual switch to summer time.
+# Standard time was not changed until 1968-10-27 (the clocks didn't change).
+#
+# Here is another incorrect claim by Shanks & Pottenger:
+#     * Jersey, Guernsey, and the Isle of Man did not switch from GMT
+#	to daylight saving time until 1921 Apr 3, when they began to
+#	conform with Great Britain.
+# S.R.&O. 1916, No. 382 and HO 45/10811/312364 (quoted above) say otherwise.
+#
+# The following claim by Shanks & Pottenger is possible though doubtful;
+# we'll ignore it for now.
+#     * Dublin's 1971-10-31 switch was at 02:00, even though London's was 03:00.
+#
+#
+# Whitman says Dublin Mean Time was -0:25:21, which is more precise than
+# Shanks & Pottenger.
+# Perhaps this was Dunsink Observatory Time, as Dunsink Observatory
+# (8 km NW of Dublin's center) seemingly was to Dublin as Greenwich was
+# to London.  For example:
+#
+#   "Timeball on the ballast office is down.  Dunsink time."
+#   -- James Joyce, Ulysses
+
+# From Joseph S. Myers (2005-01-26):
+# Irish laws are available online at www.irishstatutebook.ie.  These include
+# various relating to legal time, for example:
+#
+# ZZA13Y1923.html ZZA12Y1924.html ZZA8Y1925.html ZZSIV20PG1267.html
+#
+# ZZSI71Y1947.html ZZSI128Y1948.html ZZSI23Y1949.html ZZSI41Y1950.html
+# ZZSI27Y1951.html ZZSI73Y1952.html
+#
+# ZZSI11Y1961.html ZZSI232Y1961.html ZZSI182Y1962.html
+# ZZSI167Y1963.html ZZSI257Y1964.html ZZSI198Y1967.html
+# ZZA23Y1968.html ZZA17Y1971.html
+#
+# ZZSI67Y1981.html ZZSI212Y1982.html ZZSI45Y1986.html
+# ZZSI264Y1988.html ZZSI52Y1990.html ZZSI371Y1992.html
+# ZZSI395Y1994.html ZZSI484Y1997.html ZZSI506Y2001.html
+#
+# [These are all relative to the root, e.g., the first is
+# .]
+#
+# (These are those I found, but there could be more.  In any case these
+# should allow various updates to the comments in the europe file to cover
+# the laws applicable in Ireland.)
+#
+# (Note that the time in the Republic of Ireland since 1968 has been defined
+# in terms of standard time being GMT+1 with a period of winter time when it
+# is GMT, rather than standard time being GMT with a period of summer time
+# being GMT+1.)
+
+# From Paul Eggert (1999-03-28):
+# Clive Feather (, 1997-03-31)
+# reports that Folkestone (Cheriton) Shuttle Terminal uses Concession Time
+# (CT), equivalent to French civil time.
+# Julian Hill (, 1998-09-30) reports that
+# trains between Dollands Moor (the freight facility next door)
+# and Frethun run in CT.
+# My admittedly uninformed guess is that the terminal has two authorities,
+# the French concession operators and the British civil authorities,
+# and that the time depends on who you're talking to.
+# If, say, the British police were called to the station for some reason,
+# I would expect the official police report to use GMT/BST and not CET/CEST.
+# This is a borderline case, but for now let's stick to GMT/BST.
+
+# From an anonymous contributor (1996-06-02):
+# The law governing time in Ireland is under Statutory Instrument SI 395/94,
+# which gives force to European Union 7th Council Directive # 94/21/EC.
+# Under this directive, the Minister for Justice in Ireland makes appropriate
+# regulations. I spoke this morning with the Secretary of the Department of
+# Justice (tel +353 1 678 9711) who confirmed to me that the correct name is
+# "Irish Summer Time", abbreviated to "IST".
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Summer Time Act, 1916
+Rule	GB-Eire	1916	only	-	May	21	2:00s	1:00	BST
+Rule	GB-Eire	1916	only	-	Oct	 1	2:00s	0	GMT
+# S.R.&O. 1917, No. 358
+Rule	GB-Eire	1917	only	-	Apr	 8	2:00s	1:00	BST
+Rule	GB-Eire	1917	only	-	Sep	17	2:00s	0	GMT
+# S.R.&O. 1918, No. 274
+Rule	GB-Eire	1918	only	-	Mar	24	2:00s	1:00	BST
+Rule	GB-Eire	1918	only	-	Sep	30	2:00s	0	GMT
+# S.R.&O. 1919, No. 297
+Rule	GB-Eire	1919	only	-	Mar	30	2:00s	1:00	BST
+Rule	GB-Eire	1919	only	-	Sep	29	2:00s	0	GMT
+# S.R.&O. 1920, No. 458
+Rule	GB-Eire	1920	only	-	Mar	28	2:00s	1:00	BST
+# S.R.&O. 1920, No. 1844
+Rule	GB-Eire	1920	only	-	Oct	25	2:00s	0	GMT
+# S.R.&O. 1921, No. 363
+Rule	GB-Eire	1921	only	-	Apr	 3	2:00s	1:00	BST
+Rule	GB-Eire	1921	only	-	Oct	 3	2:00s	0	GMT
+# S.R.&O. 1922, No. 264
+Rule	GB-Eire	1922	only	-	Mar	26	2:00s	1:00	BST
+Rule	GB-Eire	1922	only	-	Oct	 8	2:00s	0	GMT
+# The Summer Time Act, 1922
+Rule	GB-Eire	1923	only	-	Apr	Sun>=16	2:00s	1:00	BST
+Rule	GB-Eire	1923	1924	-	Sep	Sun>=16	2:00s	0	GMT
+Rule	GB-Eire	1924	only	-	Apr	Sun>=9	2:00s	1:00	BST
+Rule	GB-Eire	1925	1926	-	Apr	Sun>=16	2:00s	1:00	BST
+# The Summer Time Act, 1925
+Rule	GB-Eire	1925	1938	-	Oct	Sun>=2	2:00s	0	GMT
+Rule	GB-Eire	1927	only	-	Apr	Sun>=9	2:00s	1:00	BST
+Rule	GB-Eire	1928	1929	-	Apr	Sun>=16	2:00s	1:00	BST
+Rule	GB-Eire	1930	only	-	Apr	Sun>=9	2:00s	1:00	BST
+Rule	GB-Eire	1931	1932	-	Apr	Sun>=16	2:00s	1:00	BST
+Rule	GB-Eire	1933	only	-	Apr	Sun>=9	2:00s	1:00	BST
+Rule	GB-Eire	1934	only	-	Apr	Sun>=16	2:00s	1:00	BST
+Rule	GB-Eire	1935	only	-	Apr	Sun>=9	2:00s	1:00	BST
+Rule	GB-Eire	1936	1937	-	Apr	Sun>=16	2:00s	1:00	BST
+Rule	GB-Eire	1938	only	-	Apr	Sun>=9	2:00s	1:00	BST
+Rule	GB-Eire	1939	only	-	Apr	Sun>=16	2:00s	1:00	BST
+# S.R.&O. 1939, No. 1379
+Rule	GB-Eire	1939	only	-	Nov	Sun>=16	2:00s	0	GMT
+# S.R.&O. 1940, No. 172 and No. 1883
+Rule	GB-Eire	1940	only	-	Feb	Sun>=23	2:00s	1:00	BST
+# S.R.&O. 1941, No. 476
+Rule	GB-Eire	1941	only	-	May	Sun>=2	1:00s	2:00	BDST
+Rule	GB-Eire	1941	1943	-	Aug	Sun>=9	1:00s	1:00	BST
+# S.R.&O. 1942, No. 506
+Rule	GB-Eire	1942	1944	-	Apr	Sun>=2	1:00s	2:00	BDST
+# S.R.&O. 1944, No. 932
+Rule	GB-Eire	1944	only	-	Sep	Sun>=16	1:00s	1:00	BST
+# S.R.&O. 1945, No. 312
+Rule	GB-Eire	1945	only	-	Apr	Mon>=2	1:00s	2:00	BDST
+Rule	GB-Eire	1945	only	-	Jul	Sun>=9	1:00s	1:00	BST
+# S.R.&O. 1945, No. 1208
+Rule	GB-Eire	1945	1946	-	Oct	Sun>=2	2:00s	0	GMT
+Rule	GB-Eire	1946	only	-	Apr	Sun>=9	2:00s	1:00	BST
+# The Summer Time Act, 1947
+Rule	GB-Eire	1947	only	-	Mar	16	2:00s	1:00	BST
+Rule	GB-Eire	1947	only	-	Apr	13	1:00s	2:00	BDST
+Rule	GB-Eire	1947	only	-	Aug	10	1:00s	1:00	BST
+Rule	GB-Eire	1947	only	-	Nov	 2	2:00s	0	GMT
+# Summer Time Order, 1948 (S.I. 1948/495)
+Rule	GB-Eire	1948	only	-	Mar	14	2:00s	1:00	BST
+Rule	GB-Eire	1948	only	-	Oct	31	2:00s	0	GMT
+# Summer Time Order, 1949 (S.I. 1949/373)
+Rule	GB-Eire	1949	only	-	Apr	 3	2:00s	1:00	BST
+Rule	GB-Eire	1949	only	-	Oct	30	2:00s	0	GMT
+# Summer Time Order, 1950 (S.I. 1950/518)
+# Summer Time Order, 1951 (S.I. 1951/430)
+# Summer Time Order, 1952 (S.I. 1952/451)
+Rule	GB-Eire	1950	1952	-	Apr	Sun>=14	2:00s	1:00	BST
+Rule	GB-Eire	1950	1952	-	Oct	Sun>=21	2:00s	0	GMT
+# revert to the rules of the Summer Time Act, 1925
+Rule	GB-Eire	1953	only	-	Apr	Sun>=16	2:00s	1:00	BST
+Rule	GB-Eire	1953	1960	-	Oct	Sun>=2	2:00s	0	GMT
+Rule	GB-Eire	1954	only	-	Apr	Sun>=9	2:00s	1:00	BST
+Rule	GB-Eire	1955	1956	-	Apr	Sun>=16	2:00s	1:00	BST
+Rule	GB-Eire	1957	only	-	Apr	Sun>=9	2:00s	1:00	BST
+Rule	GB-Eire	1958	1959	-	Apr	Sun>=16	2:00s	1:00	BST
+Rule	GB-Eire	1960	only	-	Apr	Sun>=9	2:00s	1:00	BST
+# Summer Time Order, 1961 (S.I. 1961/71)
+# Summer Time (1962) Order, 1961 (S.I. 1961/2465)
+# Summer Time Order, 1963 (S.I. 1963/81)
+Rule	GB-Eire	1961	1963	-	Mar	lastSun	2:00s	1:00	BST
+Rule	GB-Eire	1961	1968	-	Oct	Sun>=23	2:00s	0	GMT
+# Summer Time (1964) Order, 1963 (S.I. 1963/2101)
+# Summer Time Order, 1964 (S.I. 1964/1201)
+# Summer Time Order, 1967 (S.I. 1967/1148)
+Rule	GB-Eire	1964	1967	-	Mar	Sun>=19	2:00s	1:00	BST
+# Summer Time Order, 1968 (S.I. 1968/117)
+Rule	GB-Eire	1968	only	-	Feb	18	2:00s	1:00	BST
+# The British Standard Time Act, 1968
+#	(no summer time)
+# The Summer Time Act, 1972
+Rule	GB-Eire	1972	1980	-	Mar	Sun>=16	2:00s	1:00	BST
+Rule	GB-Eire	1972	1980	-	Oct	Sun>=23	2:00s	0	GMT
+# Summer Time Order, 1980 (S.I. 1980/1089)
+# Summer Time Order, 1982 (S.I. 1982/1673)
+# Summer Time Order, 1986 (S.I. 1986/223)
+# Summer Time Order, 1988 (S.I. 1988/931)
+Rule	GB-Eire	1981	1995	-	Mar	lastSun	1:00u	1:00	BST
+Rule	GB-Eire 1981	1989	-	Oct	Sun>=23	1:00u	0	GMT
+# Summer Time Order, 1989 (S.I. 1989/985)
+# Summer Time Order, 1992 (S.I. 1992/1729)
+# Summer Time Order 1994 (S.I. 1994/2798)
+Rule	GB-Eire 1990	1995	-	Oct	Sun>=22	1:00u	0	GMT
+# Summer Time Order 1997 (S.I. 1997/2982)
+# See EU for rules starting in 1996.
+
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Europe/London	-0:01:15 -	LMT	1847 Dec  1 0:00s
+			 0:00	GB-Eire	%s	1968 Oct 27
+			 1:00	-	BST	1971 Oct 31 2:00u
+			 0:00	GB-Eire	%s	1996
+			 0:00	EU	GMT/BST
+Link	Europe/London	Europe/Jersey
+Link	Europe/London	Europe/Guernsey
+Link	Europe/London	Europe/Isle_of_Man
+Zone	Europe/Dublin	-0:25:00 -	LMT	1880 Aug  2
+			-0:25:21 -	DMT	1916 May 21 2:00
+			-0:25:21 1:00	IST	1916 Oct  1 2:00s
+			 0:00	GB-Eire	%s	1921 Dec  6 # independence
+			 0:00	GB-Eire	GMT/IST	1940 Feb 25 2:00
+			 0:00	1:00	IST	1946 Oct  6 2:00
+			 0:00	-	GMT	1947 Mar 16 2:00
+			 0:00	1:00	IST	1947 Nov  2 2:00
+			 0:00	-	GMT	1948 Apr 18 2:00
+			 0:00	GB-Eire	GMT/IST	1968 Oct 27
+			 1:00	-	IST	1971 Oct 31 2:00u
+			 0:00	GB-Eire	GMT/IST	1996
+			 0:00	EU	GMT/IST
+
+###############################################################################
+
+# Continental Europe
+
+# EU rules are for the European Union, previously known as the EC, EEC,
+# Common Market, etc.
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	EU	1977	1980	-	Apr	Sun>=1	 1:00u	1:00	S
+Rule	EU	1977	only	-	Sep	lastSun	 1:00u	0	-
+Rule	EU	1978	only	-	Oct	 1	 1:00u	0	-
+Rule	EU	1979	1995	-	Sep	lastSun	 1:00u	0	-
+Rule	EU	1981	max	-	Mar	lastSun	 1:00u	1:00	S
+Rule	EU	1996	max	-	Oct	lastSun	 1:00u	0	-
+# The most recent directive covers the years starting in 2002.  See:
+# 
+
+# W-Eur differs from EU only in that W-Eur uses standard time.
+Rule	W-Eur	1977	1980	-	Apr	Sun>=1	 1:00s	1:00	S
+Rule	W-Eur	1977	only	-	Sep	lastSun	 1:00s	0	-
+Rule	W-Eur	1978	only	-	Oct	 1	 1:00s	0	-
+Rule	W-Eur	1979	1995	-	Sep	lastSun	 1:00s	0	-
+Rule	W-Eur	1981	max	-	Mar	lastSun	 1:00s	1:00	S
+Rule	W-Eur	1996	max	-	Oct	lastSun	 1:00s	0	-
+
+# Older C-Eur rules are for convenience in the tables.
+# From 1977 on, C-Eur differs from EU only in that C-Eur uses standard time.
+Rule	C-Eur	1916	only	-	Apr	30	23:00	1:00	S
+Rule	C-Eur	1916	only	-	Oct	 1	 1:00	0	-
+Rule	C-Eur	1917	1918	-	Apr	Mon>=15	 2:00s	1:00	S
+Rule	C-Eur	1917	1918	-	Sep	Mon>=15	 2:00s	0	-
+Rule	C-Eur	1940	only	-	Apr	 1	 2:00s	1:00	S
+Rule	C-Eur	1942	only	-	Nov	 2	 2:00s	0	-
+Rule	C-Eur	1943	only	-	Mar	29	 2:00s	1:00	S
+Rule	C-Eur	1943	only	-	Oct	 4	 2:00s	0	-
+Rule	C-Eur	1944	only	-	Apr	 3	 2:00s	1:00	S
+# Whitman gives 1944 Oct 7; go with Shanks & Pottenger.
+Rule	C-Eur	1944	only	-	Oct	 2	 2:00s	0	-
+Rule	C-Eur	1977	1980	-	Apr	Sun>=1	 2:00s	1:00	S
+Rule	C-Eur	1977	only	-	Sep	lastSun	 2:00s	0	-
+Rule	C-Eur	1978	only	-	Oct	 1	 2:00s	0	-
+Rule	C-Eur	1979	1995	-	Sep	lastSun	 2:00s	0	-
+Rule	C-Eur	1981	max	-	Mar	lastSun	 2:00s	1:00	S
+Rule	C-Eur	1996	max	-	Oct	lastSun	 2:00s	0	-
+
+# E-Eur differs from EU only in that E-Eur switches at midnight local time.
+Rule	E-Eur	1977	1980	-	Apr	Sun>=1	 0:00	1:00	S
+Rule	E-Eur	1977	only	-	Sep	lastSun	 0:00	0	-
+Rule	E-Eur	1978	only	-	Oct	 1	 0:00	0	-
+Rule	E-Eur	1979	1995	-	Sep	lastSun	 0:00	0	-
+Rule	E-Eur	1981	max	-	Mar	lastSun	 0:00	1:00	S
+Rule	E-Eur	1996	max	-	Oct	lastSun	 0:00	0	-
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Russia	1917	only	-	Jul	 1	23:00	1:00	MST	# Moscow Summer Time
+Rule	Russia	1917	only	-	Dec	28	 0:00	0	MMT	# Moscow Mean Time
+Rule	Russia	1918	only	-	May	31	22:00	2:00	MDST	# Moscow Double Summer Time
+Rule	Russia	1918	only	-	Sep	16	 1:00	1:00	MST
+Rule	Russia	1919	only	-	May	31	23:00	2:00	MDST
+Rule	Russia	1919	only	-	Jul	 1	 2:00	1:00	S
+Rule	Russia	1919	only	-	Aug	16	 0:00	0	-
+Rule	Russia	1921	only	-	Feb	14	23:00	1:00	S
+Rule	Russia	1921	only	-	Mar	20	23:00	2:00	M # Midsummer
+Rule	Russia	1921	only	-	Sep	 1	 0:00	1:00	S
+Rule	Russia	1921	only	-	Oct	 1	 0:00	0	-
+# Act No.925 of the Council of Ministers of the USSR (1980-10-24):
+Rule	Russia	1981	1984	-	Apr	 1	 0:00	1:00	S
+Rule	Russia	1981	1983	-	Oct	 1	 0:00	0	-
+# Act No.967 of the Council of Ministers of the USSR (1984-09-13), repeated in
+# Act No.227 of the Council of Ministers of the USSR (1989-03-14):
+Rule	Russia	1984	1991	-	Sep	lastSun	 2:00s	0	-
+Rule	Russia	1985	1991	-	Mar	lastSun	 2:00s	1:00	S
+#
+Rule	Russia	1992	only	-	Mar	lastSat	 23:00	1:00	S
+Rule	Russia	1992	only	-	Sep	lastSat	 23:00	0	-
+Rule	Russia	1993	max	-	Mar	lastSun	 2:00s	1:00	S
+Rule	Russia	1993	1995	-	Sep	lastSun	 2:00s	0	-
+Rule	Russia	1996	max	-	Oct	lastSun	 2:00s	0	-
+
+# These are for backward compatibility with older versions.
+
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	WET		0:00	EU	WE%sT
+Zone	CET		1:00	C-Eur	CE%sT
+Zone	MET		1:00	C-Eur	ME%sT
+Zone	EET		2:00	EU	EE%sT
+
+# Previous editions of this database used abbreviations like MET DST
+# for Central European Summer Time, but this didn't agree with common usage.
+
+# From Markus Kuhn (1996-07-12):
+# The official German names ... are
+#
+#	Mitteleuropaeische Zeit (MEZ)         = UTC+01:00
+#	Mitteleuropaeische Sommerzeit (MESZ)  = UTC+02:00
+#
+# as defined in the German Time Act (Gesetz ueber die Zeitbestimmung (ZeitG),
+# 1978-07-25, Bundesgesetzblatt, Jahrgang 1978, Teil I, S. 1110-1111)....
+# I wrote ... to the German Federal Physical-Technical Institution
+#
+#	Physikalisch-Technische Bundesanstalt (PTB)
+#	Laboratorium 4.41 "Zeiteinheit"
+#	Postfach 3345
+#	D-38023 Braunschweig
+#	phone: +49 531 592-0
+#
+# ... I received today an answer letter from Dr. Peter Hetzel, head of the PTB
+# department for time and frequency transmission.  He explained that the
+# PTB translates MEZ and MESZ into English as
+#
+#	Central European Time (CET)         = UTC+01:00
+#	Central European Summer Time (CEST) = UTC+02:00
+
+
+# Albania
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Albania	1940	only	-	Jun	16	0:00	1:00	S
+Rule	Albania	1942	only	-	Nov	 2	3:00	0	-
+Rule	Albania	1943	only	-	Mar	29	2:00	1:00	S
+Rule	Albania	1943	only	-	Apr	10	3:00	0	-
+Rule	Albania	1974	only	-	May	 4	0:00	1:00	S
+Rule	Albania	1974	only	-	Oct	 2	0:00	0	-
+Rule	Albania	1975	only	-	May	 1	0:00	1:00	S
+Rule	Albania	1975	only	-	Oct	 2	0:00	0	-
+Rule	Albania	1976	only	-	May	 2	0:00	1:00	S
+Rule	Albania	1976	only	-	Oct	 3	0:00	0	-
+Rule	Albania	1977	only	-	May	 8	0:00	1:00	S
+Rule	Albania	1977	only	-	Oct	 2	0:00	0	-
+Rule	Albania	1978	only	-	May	 6	0:00	1:00	S
+Rule	Albania	1978	only	-	Oct	 1	0:00	0	-
+Rule	Albania	1979	only	-	May	 5	0:00	1:00	S
+Rule	Albania	1979	only	-	Sep	30	0:00	0	-
+Rule	Albania	1980	only	-	May	 3	0:00	1:00	S
+Rule	Albania	1980	only	-	Oct	 4	0:00	0	-
+Rule	Albania	1981	only	-	Apr	26	0:00	1:00	S
+Rule	Albania	1981	only	-	Sep	27	0:00	0	-
+Rule	Albania	1982	only	-	May	 2	0:00	1:00	S
+Rule	Albania	1982	only	-	Oct	 3	0:00	0	-
+Rule	Albania	1983	only	-	Apr	18	0:00	1:00	S
+Rule	Albania	1983	only	-	Oct	 1	0:00	0	-
+Rule	Albania	1984	only	-	Apr	 1	0:00	1:00	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Europe/Tirane	1:19:20 -	LMT	1914
+			1:00	-	CET	1940 Jun 16
+			1:00	Albania	CE%sT	1984 Jul
+			1:00	EU	CE%sT
+
+# Andorra
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Europe/Andorra	0:06:04 -	LMT	1901
+			0:00	-	WET	1946 Sep 30
+			1:00	-	CET	1985 Mar 31 2:00
+			1:00	EU	CE%sT
+
+# Austria
+
+# From Paul Eggert (2006-03-22): Shanks & Pottenger give 1918-06-16 and
+# 1945-11-18, but the Austrian Federal Office of Metrology and
+# Surveying (BEV) gives 1918-09-16 and for Vienna gives the "alleged"
+# date of 1945-04-12 with no time.  For the 1980-04-06 transition
+# Shanks & Pottenger give 02:00, the BEV 00:00.  Go with the BEV,
+# and guess 02:00 for 1945-04-12.
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Austria	1920	only	-	Apr	 5	2:00s	1:00	S
+Rule	Austria	1920	only	-	Sep	13	2:00s	0	-
+Rule	Austria	1946	only	-	Apr	14	2:00s	1:00	S
+Rule	Austria	1946	1948	-	Oct	Sun>=1	2:00s	0	-
+Rule	Austria	1947	only	-	Apr	 6	2:00s	1:00	S
+Rule	Austria	1948	only	-	Apr	18	2:00s	1:00	S
+Rule	Austria	1980	only	-	Apr	 6	0:00	1:00	S
+Rule	Austria	1980	only	-	Sep	28	0:00	0	-
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Europe/Vienna	1:05:20 -	LMT	1893 Apr
+			1:00	C-Eur	CE%sT	1920
+			1:00	Austria	CE%sT	1940 Apr  1 2:00s
+			1:00	C-Eur	CE%sT	1945 Apr  2 2:00s
+			1:00	1:00	CEST	1945 Apr 12 2:00s
+			1:00	-	CET	1946
+			1:00	Austria	CE%sT	1981
+			1:00	EU	CE%sT
+
+# Belarus
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Europe/Minsk	1:50:16 -	LMT	1880
+			1:50	-	MMT	1924 May 2 # Minsk Mean Time
+			2:00	-	EET	1930 Jun 21
+			3:00	-	MSK	1941 Jun 28
+			1:00	C-Eur	CE%sT	1944 Jul  3
+			3:00	Russia	MSK/MSD	1990
+			3:00	-	MSK	1991 Mar 31 2:00s
+			2:00	1:00	EEST	1991 Sep 29 2:00s
+			2:00	-	EET	1992 Mar 29 0:00s
+			2:00	1:00	EEST	1992 Sep 27 0:00s
+			2:00	Russia	EE%sT
+
+# Belgium
+#
+# From Paul Eggert (1997-07-02):
+# Entries from 1918 through 1991 are taken from:
+#	Annuaire de L'Observatoire Royal de Belgique,
+#	Avenue Circulaire, 3, B-1180 BRUXELLES, CLVIIe annee, 1991
+#	(Imprimerie HAYEZ, s.p.r.l., Rue Fin, 4, 1080 BRUXELLES, MCMXC),
+#	pp 8-9.
+# LMT before 1892 was 0:17:30, according to the official journal of Belgium:
+#	Moniteur Belge, Samedi 30 Avril 1892, N.121.
+# Thanks to Pascal Delmoitie for these references.
+# The 1918 rules are listed for completeness; they apply to unoccupied Belgium.
+# Assume Brussels switched to WET in 1918 when the armistice took effect.
+#
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Belgium	1918	only	-	Mar	 9	 0:00s	1:00	S
+Rule	Belgium	1918	1919	-	Oct	Sat>=1	23:00s	0	-
+Rule	Belgium	1919	only	-	Mar	 1	23:00s	1:00	S
+Rule	Belgium	1920	only	-	Feb	14	23:00s	1:00	S
+Rule	Belgium	1920	only	-	Oct	23	23:00s	0	-
+Rule	Belgium	1921	only	-	Mar	14	23:00s	1:00	S
+Rule	Belgium	1921	only	-	Oct	25	23:00s	0	-
+Rule	Belgium	1922	only	-	Mar	25	23:00s	1:00	S
+Rule	Belgium	1922	1927	-	Oct	Sat>=1	23:00s	0	-
+Rule	Belgium	1923	only	-	Apr	21	23:00s	1:00	S
+Rule	Belgium	1924	only	-	Mar	29	23:00s	1:00	S
+Rule	Belgium	1925	only	-	Apr	 4	23:00s	1:00	S
+# DSH writes that a royal decree of 1926-02-22 specified the Sun following 3rd
+# Sat in Apr (except if it's Easter, in which case it's one Sunday earlier),
+# to Sun following 1st Sat in Oct, and that a royal decree of 1928-09-15
+# changed the transition times to 02:00 GMT.
+Rule	Belgium	1926	only	-	Apr	17	23:00s	1:00	S
+Rule	Belgium	1927	only	-	Apr	 9	23:00s	1:00	S
+Rule	Belgium	1928	only	-	Apr	14	23:00s	1:00	S
+Rule	Belgium	1928	1938	-	Oct	Sun>=2	 2:00s	0	-
+Rule	Belgium	1929	only	-	Apr	21	 2:00s	1:00	S
+Rule	Belgium	1930	only	-	Apr	13	 2:00s	1:00	S
+Rule	Belgium	1931	only	-	Apr	19	 2:00s	1:00	S
+Rule	Belgium	1932	only	-	Apr	 3	 2:00s	1:00	S
+Rule	Belgium	1933	only	-	Mar	26	 2:00s	1:00	S
+Rule	Belgium	1934	only	-	Apr	 8	 2:00s	1:00	S
+Rule	Belgium	1935	only	-	Mar	31	 2:00s	1:00	S
+Rule	Belgium	1936	only	-	Apr	19	 2:00s	1:00	S
+Rule	Belgium	1937	only	-	Apr	 4	 2:00s	1:00	S
+Rule	Belgium	1938	only	-	Mar	27	 2:00s	1:00	S
+Rule	Belgium	1939	only	-	Apr	16	 2:00s	1:00	S
+Rule	Belgium	1939	only	-	Nov	19	 2:00s	0	-
+Rule	Belgium	1940	only	-	Feb	25	 2:00s	1:00	S
+Rule	Belgium	1944	only	-	Sep	17	 2:00s	0	-
+Rule	Belgium	1945	only	-	Apr	 2	 2:00s	1:00	S
+Rule	Belgium	1945	only	-	Sep	16	 2:00s	0	-
+Rule	Belgium	1946	only	-	May	19	 2:00s	1:00	S
+Rule	Belgium	1946	only	-	Oct	 7	 2:00s	0	-
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Europe/Brussels	0:17:30 -	LMT	1880
+			0:17:30	-	BMT	1892 May  1 12:00 # Brussels MT
+			0:00	-	WET	1914 Nov  8
+			1:00	-	CET	1916 May  1  0:00
+			1:00	C-Eur	CE%sT	1918 Nov 11 11:00u
+			0:00	Belgium	WE%sT	1940 May 20  2:00s
+			1:00	C-Eur	CE%sT	1944 Sep  3
+			1:00	Belgium	CE%sT	1977
+			1:00	EU	CE%sT
+
+# Bosnia and Herzegovina
+# see Serbia
+
+# Bulgaria
+#
+# From Plamen Simenov via Steffen Thorsen (1999-09-09):
+# A document of Government of Bulgaria (No.94/1997) says:
+# EET --> EETDST is in 03:00 Local time in last Sunday of March ...
+# EETDST --> EET is in 04:00 Local time in last Sunday of October
+#
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Bulg	1979	only	-	Mar	31	23:00	1:00	S
+Rule	Bulg	1979	only	-	Oct	 1	 1:00	0	-
+Rule	Bulg	1980	1982	-	Apr	Sat>=1	23:00	1:00	S
+Rule	Bulg	1980	only	-	Sep	29	 1:00	0	-
+Rule	Bulg	1981	only	-	Sep	27	 2:00	0	-
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Europe/Sofia	1:33:16 -	LMT	1880
+			1:56:56	-	IMT	1894 Nov 30 # Istanbul MT?
+			2:00	-	EET	1942 Nov  2  3:00
+			1:00	C-Eur	CE%sT	1945 Apr  2  3:00
+			2:00	-	EET	1979 Mar 31 23:00
+			2:00	Bulg	EE%sT	1982 Sep 26  2:00
+			2:00	C-Eur	EE%sT	1991
+			2:00	E-Eur	EE%sT	1997
+			2:00	EU	EE%sT
+
+# Croatia
+# see Serbia
+
+# Cyprus
+# Please see the `asia' file for Asia/Nicosia.
+
+# Czech Republic
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Czech	1945	only	-	Apr	 8	2:00s	1:00	S
+Rule	Czech	1945	only	-	Nov	18	2:00s	0	-
+Rule	Czech	1946	only	-	May	 6	2:00s	1:00	S
+Rule	Czech	1946	1949	-	Oct	Sun>=1	2:00s	0	-
+Rule	Czech	1947	only	-	Apr	20	2:00s	1:00	S
+Rule	Czech	1948	only	-	Apr	18	2:00s	1:00	S
+Rule	Czech	1949	only	-	Apr	 9	2:00s	1:00	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Europe/Prague	0:57:44 -	LMT	1850
+			0:57:44	-	PMT	1891 Oct     # Prague Mean Time
+			1:00	C-Eur	CE%sT	1944 Sep 17 2:00s
+			1:00	Czech	CE%sT	1979
+			1:00	EU	CE%sT
+
+# Denmark, Faroe Islands, and Greenland
+
+# From Jesper Norgaard Welen (2005-04-26):
+# http://www.hum.aau.dk/~poe/tid/tine/DanskTid.htm says that the law
+# [introducing standard time] was in effect from 1894-01-01....
+# The page http://www.retsinfo.dk/_GETDOCI_/ACCN/A18930008330-REGL
+# confirms this, and states that the law was put forth 1893-03-29.
+#
+# The EU treaty with effect from 1973:
+# http://www.retsinfo.dk/_GETDOCI_/ACCN/A19722110030-REGL
+#
+# This provoked a new law from 1974 to make possible summer time changes
+# in subsequenet decrees with the law
+# http://www.retsinfo.dk/_GETDOCI_/ACCN/A19740022330-REGL
+#
+# It seems however that no decree was set forward until 1980.  I have
+# not found any decree, but in another related law, the effecting DST
+# changes are stated explicitly to be from 1980-04-06 at 02:00 to
+# 1980-09-28 at 02:00.  If this is true, this differs slightly from
+# the EU rule in that DST runs to 02:00, not 03:00.  We don't know
+# when Denmark began using the EU rule correctly, but we have only
+# confirmation of the 1980-time, so I presume it was correct in 1981:
+# The law is about the management of the extra hour, concerning
+# working hours reported and effect on obligatory-rest rules (which
+# was suspended on that night):
+# http://www.retsinfo.dk/_GETDOCI_/ACCN/C19801120554-REGL
+
+# From Jesper Norgaard Welen (2005-06-11):
+# The Herning Folkeblad (1980-09-26) reported that the night between
+# Saturday and Sunday the clock is set back from three to two.
+
+# From Paul Eggert (2005-06-11):
+# Hence the "02:00" of the 1980 law refers to standard time, not
+# wall-clock time, and so the EU rules were in effect in 1980.
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Denmark	1916	only	-	May	14	23:00	1:00	S
+Rule	Denmark	1916	only	-	Sep	30	23:00	0	-
+Rule	Denmark	1940	only	-	May	15	 0:00	1:00	S
+Rule	Denmark	1945	only	-	Apr	 2	 2:00s	1:00	S
+Rule	Denmark	1945	only	-	Aug	15	 2:00s	0	-
+Rule	Denmark	1946	only	-	May	 1	 2:00s	1:00	S
+Rule	Denmark	1946	only	-	Sep	 1	 2:00s	0	-
+Rule	Denmark	1947	only	-	May	 4	 2:00s	1:00	S
+Rule	Denmark	1947	only	-	Aug	10	 2:00s	0	-
+Rule	Denmark	1948	only	-	May	 9	 2:00s	1:00	S
+Rule	Denmark	1948	only	-	Aug	 8	 2:00s	0	-
+#
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Europe/Copenhagen	 0:50:20 -	LMT	1890
+			 0:50:20 -	CMT	1894 Jan  1 # Copenhagen MT
+			 1:00	Denmark	CE%sT	1942 Nov  2 2:00s
+			 1:00	C-Eur	CE%sT	1945 Apr  2 2:00
+			 1:00	Denmark	CE%sT	1980
+			 1:00	EU	CE%sT
+Zone Atlantic/Faroe	-0:27:04 -	LMT	1908 Jan 11	# Torshavn
+			 0:00	-	WET	1981
+			 0:00	EU	WE%sT
+#
+# From Paul Eggert (2004-10-31):
+# During World War II, Germany maintained secret manned weather stations in
+# East Greenland and Franz Josef Land, but we don't know their time zones.
+# My source for this is Wilhelm Dege's book mentioned under Svalbard.
+#
+# From Paul Eggert (2006-03-22):
+# Greenland joined the EU as part of Denmark, obtained home rule on 1979-05-01,
+# and left the EU on 1985-02-01.  It therefore should have been using EU
+# rules at least through 1984.  Shanks & Pottenger say Scoresbysund and Godthab
+# used C-Eur rules after 1980, but IATA SSIM (1991/1996) says they use EU
+# rules since at least 1991.  Assume EU rules since 1980.
+
+# From Gwillin Law (2001-06-06), citing
+#  (2001-03-15),
+# and with translations corrected by Steffen Thorsen:
+#
+# Greenland has four local times, and the relation to UTC
+# is according to the following time line:
+#
+# The military zone near Thule	UTC-4
+# Standard Greenland time	UTC-3
+# Scoresbysund			UTC-1
+# Danmarkshavn			UTC
+#
+# In the military area near Thule and in Danmarkshavn DST will not be
+# introduced.
+
+# From Rives McDow (2001-11-01):
+#
+# I correspond regularly with the Dansk Polarcenter, and wrote them at
+# the time to clarify the situation in Thule.  Unfortunately, I have
+# not heard back from them regarding my recent letter.  [But I have
+# info from earlier correspondence.]
+#
+# According to the center, a very small local time zone around Thule
+# Air Base keeps the time according to UTC-4, implementing daylight
+# savings using North America rules, changing the time at 02:00 local time....
+#
+# The east coast of Greenland north of the community of Scoresbysund
+# uses UTC in the same way as in Iceland, year round, with no dst.
+# There are just a few stations on this coast, including the
+# Danmarkshavn ICAO weather station mentioned in your September 29th
+# email.  The other stations are two sledge patrol stations in
+# Mestersvig and Daneborg, the air force base at Station Nord, and the
+# DPC research station at Zackenberg.
+#
+# Scoresbysund and two small villages nearby keep time UTC-1 and use
+# the same daylight savings time period as in West Greenland (Godthab).
+#
+# The rest of Greenland, including Godthab (this area, although it
+# includes central Greenland, is known as west Greenland), keeps time
+# UTC-3, with daylight savings methods according to European rules.
+#
+# It is common procedure to use UTC 0 in the wilderness of East and
+# North Greenland, because it is mainly Icelandic aircraft operators
+# maintaining traffic in these areas.  However, the official status of
+# this area is that it sticks with Godthab time.  This area might be
+# considered a dual time zone in some respects because of this.
+
+# From Rives McDow (2001-11-19):
+# I heard back from someone stationed at Thule; the time change took place
+# there at 2:00 AM.
+
+# From Paul Eggert (2006-03-22):
+# From 1997 on the CIA map shows Danmarkshavn on GMT;
+# the 1995 map as like Godthab.
+# For lack of better info, assume they were like Godthab before 1996.
+# startkart.no says Thule does not observe DST, but this is clearly an error,
+# so go with Shanks & Pottenger for Thule transitions until this year.
+# For 2007 on assume Thule will stay in sync with US DST rules.
+#
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Thule	1991	1992	-	Mar	lastSun	2:00	1:00	D
+Rule	Thule	1991	1992	-	Sep	lastSun	2:00	0	S
+Rule	Thule	1993	2006	-	Apr	Sun>=1	2:00	1:00	D
+Rule	Thule	1993	2006	-	Oct	lastSun	2:00	0	S
+Rule	Thule	2007	max	-	Mar	Sun>=8	2:00	1:00	D
+Rule	Thule	2007	max	-	Nov	Sun>=1	2:00	0	S
+#
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Danmarkshavn -1:14:40 -	LMT	1916 Jul 28
+			-3:00	-	WGT	1980 Apr  6 2:00
+			-3:00	EU	WG%sT	1996
+			0:00	-	GMT
+Zone America/Scoresbysund -1:27:52 -	LMT	1916 Jul 28 # Ittoqqortoormiit
+			-2:00	-	CGT	1980 Apr  6 2:00
+			-2:00	C-Eur	CG%sT	1981 Mar 29
+			-1:00	EU	EG%sT
+Zone America/Godthab	-3:26:56 -	LMT	1916 Jul 28 # Nuuk
+			-3:00	-	WGT	1980 Apr  6 2:00
+			-3:00	EU	WG%sT
+Zone America/Thule	-4:35:08 -	LMT	1916 Jul 28 # Pituffik air base
+			-4:00	Thule	A%sT
+
+# Estonia
+# From Peter Ilieve (1994-10-15):
+# A relative in Tallinn confirms the accuracy of the data for 1989 onwards
+# [through 1994] and gives the legal authority for it,
+# a regulation of the Government of Estonia, No. 111 of 1989....
+#
+# From Peter Ilieve (1996-10-28):
+# [IATA SSIM (1992/1996) claims that the Baltic republics switch at 01:00s,
+# but a relative confirms that Estonia still switches at 02:00s, writing:]
+# ``I do not [know] exactly but there are some little different
+# (confusing) rules for International Air and Railway Transport Schedules
+# conversion in Sunday connected with end of summer time in Estonia....
+# A discussion is running about the summer time efficiency and effect on
+# human physiology.  It seems that Estonia maybe will not change to
+# summer time next spring.''
+
+# From Peter Ilieve (1998-11-04), heavily edited:
+# 
+# The 1998-09-22 Estonian time law
+# 
+# refers to the Eighth Directive and cites the association agreement between
+# the EU and Estonia, ratified by the Estonian law (RT II 1995, 22--27, 120).
+#
+# I also asked [my relative] whether they use any standard abbreviation
+# for their standard and summer times. He says no, they use "suveaeg"
+# (summer time) and "talveaeg" (winter time).
+
+# From The Baltic Times (1999-09-09)
+# via Steffen Thorsen:
+# This year will mark the last time Estonia shifts to summer time,
+# a council of the ruling coalition announced Sept. 6....
+# But what this could mean for Estonia's chances of joining the European
+# Union are still unclear.  In 1994, the EU declared summer time compulsory
+# for all member states until 2001.  Brussels has yet to decide what to do
+# after that.
+
+# From Mart Oruaas (2000-01-29):
+# Regulation no. 301 (1999-10-12) obsoletes previous regulation
+# no. 206 (1998-09-22) and thus sticks Estonia to +02:00 GMT for all
+# the year round.  The regulation is effective 1999-11-01.
+
+# From Toomas Soome (2002-02-21):
+# The Estonian government has changed once again timezone politics.
+# Now we are using again EU rules.
+#
+# From Urmet Jaanes (2002-03-28):
+# The legislative reference is Government decree No. 84 on 2002-02-21.
+
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Europe/Tallinn	1:39:00	-	LMT	1880
+			1:39:00	-	TMT	1918 Feb # Tallinn Mean Time
+			1:00	C-Eur	CE%sT	1919 Jul
+			1:39:00	-	TMT	1921 May
+			2:00	-	EET	1940 Aug  6
+			3:00	-	MSK	1941 Sep 15
+			1:00	C-Eur	CE%sT	1944 Sep 22
+			3:00	Russia	MSK/MSD	1989 Mar 26 2:00s
+			2:00	1:00	EEST	1989 Sep 24 2:00s
+			2:00	C-Eur	EE%sT	1998 Sep 22
+			2:00	EU	EE%sT	1999 Nov  1
+			2:00	-	EET	2002 Feb 21
+			2:00	EU	EE%sT
+
+# Finland
+#
+# From Hannu Strang (1994-09-25 06:03:37 UTC):
+# Well, here in Helsinki we're just changing from summer time to regular one,
+# and it's supposed to change at 4am...
+#
+# From Paul Eggert (2006-03-22):
+# Shanks & Pottenger say Finland has switched at 02:00 standard time
+# since 1981.  Go with Strang instead.
+#
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Finland	1942	only	-	Apr	3	0:00	1:00	S
+Rule	Finland	1942	only	-	Oct	3	0:00	0	-
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Europe/Helsinki	1:39:52 -	LMT	1878 May 31
+			1:39:52	-	HMT	1921 May    # Helsinki Mean Time
+			2:00	Finland	EE%sT	1981 Mar 29 2:00
+			2:00	EU	EE%sT
+
+# Aaland Is
+Link	Europe/Helsinki	Europe/Mariehamn
+
+
+# France
+
+# From Ciro Discepolo (2000-12-20):
+#
+# Henri Le Corre, Regimes Horaires pour le monde entier, Editions
+# Traditionnelles - Paris 2 books, 1993
+#
+# Gabriel, Traite de l'heure dans le monde, Guy Tredaniel editeur,
+# Paris, 1991
+#
+# Francoise Gauquelin, Problemes de l'heure resolus en astrologie,
+# Guy tredaniel, Paris 1987
+
+
+#
+# Shank & Pottenger seem to use `24:00' ambiguously; resolve it with Whitman.
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	France	1916	only	-	Jun	14	23:00s	1:00	S
+Rule	France	1916	1919	-	Oct	Sun>=1	23:00s	0	-
+Rule	France	1917	only	-	Mar	24	23:00s	1:00	S
+Rule	France	1918	only	-	Mar	 9	23:00s	1:00	S
+Rule	France	1919	only	-	Mar	 1	23:00s	1:00	S
+Rule	France	1920	only	-	Feb	14	23:00s	1:00	S
+Rule	France	1920	only	-	Oct	23	23:00s	0	-
+Rule	France	1921	only	-	Mar	14	23:00s	1:00	S
+Rule	France	1921	only	-	Oct	25	23:00s	0	-
+Rule	France	1922	only	-	Mar	25	23:00s	1:00	S
+# DSH writes that a law of 1923-05-24 specified 3rd Sat in Apr at 23:00 to 1st
+# Sat in Oct at 24:00; and that in 1930, because of Easter, the transitions
+# were Apr 12 and Oct 5.  Go with Shanks & Pottenger.
+Rule	France	1922	1938	-	Oct	Sat>=1	23:00s	0	-
+Rule	France	1923	only	-	May	26	23:00s	1:00	S
+Rule	France	1924	only	-	Mar	29	23:00s	1:00	S
+Rule	France	1925	only	-	Apr	 4	23:00s	1:00	S
+Rule	France	1926	only	-	Apr	17	23:00s	1:00	S
+Rule	France	1927	only	-	Apr	 9	23:00s	1:00	S
+Rule	France	1928	only	-	Apr	14	23:00s	1:00	S
+Rule	France	1929	only	-	Apr	20	23:00s	1:00	S
+Rule	France	1930	only	-	Apr	12	23:00s	1:00	S
+Rule	France	1931	only	-	Apr	18	23:00s	1:00	S
+Rule	France	1932	only	-	Apr	 2	23:00s	1:00	S
+Rule	France	1933	only	-	Mar	25	23:00s	1:00	S
+Rule	France	1934	only	-	Apr	 7	23:00s	1:00	S
+Rule	France	1935	only	-	Mar	30	23:00s	1:00	S
+Rule	France	1936	only	-	Apr	18	23:00s	1:00	S
+Rule	France	1937	only	-	Apr	 3	23:00s	1:00	S
+Rule	France	1938	only	-	Mar	26	23:00s	1:00	S
+Rule	France	1939	only	-	Apr	15	23:00s	1:00	S
+Rule	France	1939	only	-	Nov	18	23:00s	0	-
+Rule	France	1940	only	-	Feb	25	 2:00	1:00	S
+# The French rules for 1941-1944 were not used in Paris, but Shanks & Pottenger
+# write that they were used in Monaco and in many French locations.
+# Le Corre writes that the upper limit of the free zone was Arneguy, Orthez,
+# Mont-de-Marsan, Bazas, Langon, Lamotte-Montravel, Marouil, La
+# Rochefoucault, Champagne-Mouton, La Roche-Posay, La Haye-Decartes,
+# Loches, Montrichard, Vierzon, Bourges, Moulins, Digoin,
+# Paray-le-Monial, Montceau-les-Mines, Chalons-sur-Saone, Arbois,
+# Dole, Morez, St-Claude, and Collognes (Haute-Savioe).
+Rule	France	1941	only	-	May	 5	 0:00	2:00	M # Midsummer
+# Shanks & Pottenger say this transition occurred at Oct 6 1:00,
+# but go with Denis Excoffier (1997-12-12),
+# who quotes the Ephemerides Astronomiques for 1998 from Bureau des Longitudes
+# as saying 5/10/41 22hUT.
+Rule	France	1941	only	-	Oct	 6	 0:00	1:00	S
+Rule	France	1942	only	-	Mar	 9	 0:00	2:00	M
+Rule	France	1942	only	-	Nov	 2	 3:00	1:00	S
+Rule	France	1943	only	-	Mar	29	 2:00	2:00	M
+Rule	France	1943	only	-	Oct	 4	 3:00	1:00	S
+Rule	France	1944	only	-	Apr	 3	 2:00	2:00	M
+Rule	France	1944	only	-	Oct	 8	 1:00	1:00	S
+Rule	France	1945	only	-	Apr	 2	 2:00	2:00	M
+Rule	France	1945	only	-	Sep	16	 3:00	0	-
+# Shanks & Pottenger give Mar 28 2:00 and Sep 26 3:00;
+# go with Excoffier's 28/3/76 0hUT and 25/9/76 23hUT.
+Rule	France	1976	only	-	Mar	28	 1:00	1:00	S
+Rule	France	1976	only	-	Sep	26	 1:00	0	-
+# Shanks & Pottenger give 0:09:20 for Paris Mean Time, and Whitman 0:09:05,
+# but Howse quotes the actual French legislation as saying 0:09:21.
+# Go with Howse.  Howse writes that the time in France was officially based
+# on PMT-0:09:21 until 1978-08-09, when the time base finally switched to UTC.
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Europe/Paris	0:09:21 -	LMT	1891 Mar 15  0:01
+			0:09:21	-	PMT	1911 Mar 11  0:01  # Paris MT
+# Shanks & Pottenger give 1940 Jun 14 0:00; go with Excoffier and Le Corre.
+			0:00	France	WE%sT	1940 Jun 14 23:00
+# Le Corre says Paris stuck with occupied-France time after the liberation;
+# go with Shanks & Pottenger.
+			1:00	C-Eur	CE%sT	1944 Aug 25
+			0:00	France	WE%sT	1945 Sep 16  3:00
+			1:00	France	CE%sT	1977
+			1:00	EU	CE%sT
+
+# Germany
+
+# From Markus Kuhn (1998-09-29):
+# The German time zone web site by the Physikalisch-Technische
+# Bundesanstalt contains DST information back to 1916.
+# [See tz-link.htm for the URL.]
+
+# From Joerg Schilling (2002-10-23):
+# In 1945, Berlin was switched to Moscow Summer time (GMT+4) by 
+# General [Nikolai] Bersarin.
+
+# From Paul Eggert (2003-03-08):
+# 
+# says that Bersarin issued an order to use Moscow time on May 20.
+# However, Moscow did not observe daylight saving in 1945, so
+# this was equivalent to CEMT (GMT+3), not GMT+4.
+
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Germany	1945	only	-	Apr	 2	2:00s	1:00	S
+Rule	Germany	1945	only	-	May	24	2:00	2:00	M # Midsummer
+Rule	Germany	1945	only	-	Sep	24	3:00	1:00	S
+Rule	Germany	1945	only	-	Nov	18	2:00s	0	-
+Rule	Germany	1946	only	-	Apr	14	2:00s	1:00	S
+Rule	Germany	1946	only	-	Oct	 7	2:00s	0	-
+Rule	Germany	1947	1949	-	Oct	Sun>=1	2:00s	0	-
+Rule	Germany	1947	only	-	Apr	 6	2:00s	1:00	S
+Rule	Germany	1947	only	-	May	11	2:00s	2:00	M
+Rule	Germany	1947	only	-	Jun	29	3:00	1:00	S
+Rule	Germany	1948	only	-	Apr	18	2:00s	1:00	S
+Rule	Germany	1949	only	-	Apr	10	2:00s	1:00	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Europe/Berlin	0:53:28 -	LMT	1893 Apr
+			1:00	C-Eur	CE%sT	1945 Apr 2 2:00
+			1:00	Germany	CE%sT	1980
+			1:00	EU	CE%sT
+
+# Georgia
+# Please see the "asia" file for Asia/Tbilisi.
+# Herodotus (Histories, IV.45) says Georgia north of the Phasis (now Rioni)
+# is in Europe.  Our reference location Tbilisi is in the Asian part.
+
+# Gibraltar
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Europe/Gibraltar	-0:21:24 -	LMT	1880 Aug  2 0:00s
+			0:00	GB-Eire	%s	1957 Apr 14 2:00
+			1:00	-	CET	1982
+			1:00	EU	CE%sT
+
+# Greece
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Whitman gives 1932 Jul 5 - Nov 1; go with Shanks & Pottenger.
+Rule	Greece	1932	only	-	Jul	 7	0:00	1:00	S
+Rule	Greece	1932	only	-	Sep	 1	0:00	0	-
+# Whitman gives 1941 Apr 25 - ?; go with Shanks & Pottenger.
+Rule	Greece	1941	only	-	Apr	 7	0:00	1:00	S
+# Whitman gives 1942 Feb 2 - ?; go with Shanks & Pottenger.
+Rule	Greece	1942	only	-	Nov	 2	3:00	0	-
+Rule	Greece	1943	only	-	Mar	30	0:00	1:00	S
+Rule	Greece	1943	only	-	Oct	 4	0:00	0	-
+# Whitman gives 1944 Oct 3 - Oct 31; go with Shanks & Pottenger.
+Rule	Greece	1952	only	-	Jul	 1	0:00	1:00	S
+Rule	Greece	1952	only	-	Nov	 2	0:00	0	-
+Rule	Greece	1975	only	-	Apr	12	0:00s	1:00	S
+Rule	Greece	1975	only	-	Nov	26	0:00s	0	-
+Rule	Greece	1976	only	-	Apr	11	2:00s	1:00	S
+Rule	Greece	1976	only	-	Oct	10	2:00s	0	-
+Rule	Greece	1977	1978	-	Apr	Sun>=1	2:00s	1:00	S
+Rule	Greece	1977	only	-	Sep	26	2:00s	0	-
+Rule	Greece	1978	only	-	Sep	24	4:00	0	-
+Rule	Greece	1979	only	-	Apr	 1	9:00	1:00	S
+Rule	Greece	1979	only	-	Sep	29	2:00	0	-
+Rule	Greece	1980	only	-	Apr	 1	0:00	1:00	S
+Rule	Greece	1980	only	-	Sep	28	0:00	0	-
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Europe/Athens	1:34:52 -	LMT	1895 Sep 14
+			1:34:52	-	AMT	1916 Jul 28 0:01     # Athens MT
+			2:00	Greece	EE%sT	1941 Apr 30
+			1:00	Greece	CE%sT	1944 Apr  4
+			2:00	Greece	EE%sT	1981
+			# Shanks & Pottenger say it switched to C-Eur in 1981;
+			# go with EU instead, since Greece joined it on Jan 1.
+			2:00	EU	EE%sT
+
+# Hungary
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Hungary	1918	only	-	Apr	 1	 3:00	1:00	S
+Rule	Hungary	1918	only	-	Sep	29	 3:00	0	-
+Rule	Hungary	1919	only	-	Apr	15	 3:00	1:00	S
+Rule	Hungary	1919	only	-	Sep	15	 3:00	0	-
+Rule	Hungary	1920	only	-	Apr	 5	 3:00	1:00	S
+Rule	Hungary	1920	only	-	Sep	30	 3:00	0	-
+Rule	Hungary	1945	only	-	May	 1	23:00	1:00	S
+Rule	Hungary	1945	only	-	Nov	 3	 0:00	0	-
+Rule	Hungary	1946	only	-	Mar	31	 2:00s	1:00	S
+Rule	Hungary	1946	1949	-	Oct	Sun>=1	 2:00s	0	-
+Rule	Hungary	1947	1949	-	Apr	Sun>=4	 2:00s	1:00	S
+Rule	Hungary	1950	only	-	Apr	17	 2:00s	1:00	S
+Rule	Hungary	1950	only	-	Oct	23	 2:00s	0	-
+Rule	Hungary	1954	1955	-	May	23	 0:00	1:00	S
+Rule	Hungary	1954	1955	-	Oct	 3	 0:00	0	-
+Rule	Hungary	1956	only	-	Jun	Sun>=1	 0:00	1:00	S
+Rule	Hungary	1956	only	-	Sep	lastSun	 0:00	0	-
+Rule	Hungary	1957	only	-	Jun	Sun>=1	 1:00	1:00	S
+Rule	Hungary	1957	only	-	Sep	lastSun	 3:00	0	-
+Rule	Hungary	1980	only	-	Apr	 6	 1:00	1:00	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Europe/Budapest	1:16:20 -	LMT	1890 Oct
+			1:00	C-Eur	CE%sT	1918
+			1:00	Hungary	CE%sT	1941 Apr  6  2:00
+			1:00	C-Eur	CE%sT	1945 May  1 23:00
+			1:00	Hungary	CE%sT	1980 Sep 28  2:00s
+			1:00	EU	CE%sT
+
+# Iceland
+#
+# From Adam David (1993-11-06):
+# The name of the timezone in Iceland for system / mail / news purposes is GMT.
+#
+# (1993-12-05):
+# This material is paraphrased from the 1988 edition of the University of
+# Iceland Almanak.
+#
+# From January 1st, 1908 the whole of Iceland was standardised at 1 hour
+# behind GMT. Previously, local mean solar time was used in different parts
+# of Iceland, the almanak had been based on Reykjavik mean solar time which
+# was 1 hour and 28 minutes behind GMT.
+#
+# "first day of winter" referred to [below] means the first day of the 26 weeks
+# of winter, according to the old icelandic calendar that dates back to the
+# time the norsemen first settled Iceland.  The first day of winter is always
+# Saturday, but is not dependent on the Julian or Gregorian calendars.
+#
+# (1993-12-10):
+# I have a reference from the Oxford Icelandic-English dictionary for the
+# beginning of winter, which ties it to the ecclesiastical calendar (and thus
+# to the julian/gregorian calendar) over the period in question.
+#	the winter begins on the Saturday next before St. Luke's day
+#	(old style), or on St. Luke's day, if a Saturday.
+# St. Luke's day ought to be traceable from ecclesiastical sources. "old style"
+# might be a reference to the Julian calendar as opposed to Gregorian, or it
+# might mean something else (???).
+#
+# From Paul Eggert (2006-03-22):
+# The Iceland Almanak, Shanks & Pottenger, and Whitman disagree on many points.
+# We go with the Almanak, except for one claim from Shanks & Pottenger, namely
+# that Reykavik was 21W57 from 1837 to 1908, local mean time before that.
+#
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Iceland	1917	1918	-	Feb	19	23:00	1:00	S
+Rule	Iceland	1917	only	-	Oct	21	 1:00	0	-
+Rule	Iceland	1918	only	-	Nov	16	 1:00	0	-
+Rule	Iceland	1939	only	-	Apr	29	23:00	1:00	S
+Rule	Iceland	1939	only	-	Nov	29	 2:00	0	-
+Rule	Iceland	1940	only	-	Feb	25	 2:00	1:00	S
+Rule	Iceland	1940	only	-	Nov	 3	 2:00	0	-
+Rule	Iceland	1941	only	-	Mar	 2	 1:00s	1:00	S
+Rule	Iceland	1941	only	-	Nov	 2	 1:00s	0	-
+Rule	Iceland	1942	only	-	Mar	 8	 1:00s	1:00	S
+Rule	Iceland	1942	only	-	Oct	25	 1:00s	0	-
+# 1943-1946 - first Sunday in March until first Sunday in winter
+Rule	Iceland	1943	1946	-	Mar	Sun>=1	 1:00s	1:00	S
+Rule	Iceland	1943	1948	-	Oct	Sun>=22	 1:00s	0	-
+# 1947-1967 - first Sunday in April until first Sunday in winter
+Rule	Iceland	1947	1967	-	Apr	Sun>=1	 1:00s	1:00	S
+# 1949 Oct transition delayed by 1 week
+Rule	Iceland	1949	only	-	Oct	30	 1:00s	0	-
+Rule	Iceland	1950	1966	-	Oct	Sun>=22	 1:00s	0	-
+Rule	Iceland	1967	only	-	Oct	29	 1:00s	0	-
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Atlantic/Reykjavik	-1:27:24 -	LMT	1837
+			-1:27:48 -	RMT	1908 # Reykjavik Mean Time?
+			-1:00	Iceland	IS%sT	1968 Apr 7 1:00s
+			 0:00	-	GMT
+
+# Italy
+#
+# From Paul Eggert (2001-03-06):
+# Sicily and Sardinia each had their own time zones from 1866 to 1893,
+# called Palermo Time (+00:53:28) and Cagliari Time (+00:36:32).
+# During World War II, German-controlled Italy used German time.
+# But these events all occurred before the 1970 cutoff,
+# so record only the time in Rome.
+#
+# From Paul Eggert (2006-03-22):
+# For Italian DST we have three sources: Shanks & Pottenger, Whitman, and
+# F. Pollastri
+# 
+# Day-light Saving Time in Italy (2006-02-03)
+# 
+# (`FP' below), taken from an Italian National Electrotechnical Institute
+# publication. When the three sources disagree, guess who's right, as follows:
+#
+# year	FP	Shanks&P. (S)	Whitman (W)	Go with:
+# 1916	06-03	06-03 24:00	06-03 00:00	FP & W
+#	09-30	09-30 24:00	09-30 01:00	FP; guess 24:00s
+# 1917	04-01	03-31 24:00	03-31 00:00	FP & S
+#	09-30	09-29 24:00	09-30 01:00	FP & W
+# 1918	03-09	03-09 24:00	03-09 00:00	FP & S
+#	10-06	10-05 24:00	10-06 01:00	FP & W
+# 1919	03-01	03-01 24:00	03-01 00:00	FP & S
+#	10-04	10-04 24:00	10-04 01:00	FP; guess 24:00s
+# 1920	03-20	03-20 24:00	03-20 00:00	FP & S
+#	09-18	09-18 24:00	10-01 01:00	FP; guess 24:00s
+# 1944	04-02	04-03 02:00			S (see C-Eur)
+#	09-16	10-02 03:00			FP; guess 24:00s
+# 1945	09-14	09-16 24:00			FP; guess 24:00s
+# 1970	05-21	05-31 00:00			S
+#	09-20	09-27 00:00			S
+#
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Italy	1916	only	-	Jun	 3	0:00s	1:00	S
+Rule	Italy	1916	only	-	Oct	 1	0:00s	0	-
+Rule	Italy	1917	only	-	Apr	 1	0:00s	1:00	S
+Rule	Italy	1917	only	-	Sep	30	0:00s	0	-
+Rule	Italy	1918	only	-	Mar	10	0:00s	1:00	S
+Rule	Italy	1918	1919	-	Oct	Sun>=1	0:00s	0	-
+Rule	Italy	1919	only	-	Mar	 2	0:00s	1:00	S
+Rule	Italy	1920	only	-	Mar	21	0:00s	1:00	S
+Rule	Italy	1920	only	-	Sep	19	0:00s	0	-
+Rule	Italy	1940	only	-	Jun	15	0:00s	1:00	S
+Rule	Italy	1944	only	-	Sep	17	0:00s	0	-
+Rule	Italy	1945	only	-	Apr	 2	2:00	1:00	S
+Rule	Italy	1945	only	-	Sep	15	0:00s	0	-
+Rule	Italy	1946	only	-	Mar	17	2:00s	1:00	S
+Rule	Italy	1946	only	-	Oct	 6	2:00s	0	-
+Rule	Italy	1947	only	-	Mar	16	0:00s	1:00	S
+Rule	Italy	1947	only	-	Oct	 5	0:00s	0	-
+Rule	Italy	1948	only	-	Feb	29	2:00s	1:00	S
+Rule	Italy	1948	only	-	Oct	 3	2:00s	0	-
+Rule	Italy	1966	1968	-	May	Sun>=22	0:00	1:00	S
+Rule	Italy	1966	1969	-	Sep	Sun>=22	0:00	0	-
+Rule	Italy	1969	only	-	Jun	 1	0:00	1:00	S
+Rule	Italy	1970	only	-	May	31	0:00	1:00	S
+Rule	Italy	1970	only	-	Sep	lastSun	0:00	0	-
+Rule	Italy	1971	1972	-	May	Sun>=22	0:00	1:00	S
+Rule	Italy	1971	only	-	Sep	lastSun	1:00	0	-
+Rule	Italy	1972	only	-	Oct	 1	0:00	0	-
+Rule	Italy	1973	only	-	Jun	 3	0:00	1:00	S
+Rule	Italy	1973	1974	-	Sep	lastSun	0:00	0	-
+Rule	Italy	1974	only	-	May	26	0:00	1:00	S
+Rule	Italy	1975	only	-	Jun	 1	0:00s	1:00	S
+Rule	Italy	1975	1977	-	Sep	lastSun	0:00s	0	-
+Rule	Italy	1976	only	-	May	30	0:00s	1:00	S
+Rule	Italy	1977	1979	-	May	Sun>=22	0:00s	1:00	S
+Rule	Italy	1978	only	-	Oct	 1	0:00s	0	-
+Rule	Italy	1979	only	-	Sep	30	0:00s	0	-
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Europe/Rome	0:49:56 -	LMT	1866 Sep 22
+			0:49:56	-	RMT	1893 Nov  1 0:00s # Rome Mean
+			1:00	Italy	CE%sT	1942 Nov  2 2:00s
+			1:00	C-Eur	CE%sT	1944 Jul
+			1:00	Italy	CE%sT	1980
+			1:00	EU	CE%sT
+
+Link	Europe/Rome	Europe/Vatican
+Link	Europe/Rome	Europe/San_Marino
+
+# Latvia
+
+# From Liene Kanepe (1998-09-17):
+
+# I asked about this matter Scientific Secretary of the Institute of Astronomy
+# of The University of Latvia Dr. paed Mr. Ilgonis Vilks. I also searched the
+# correct data in juridical acts and I found some juridical documents about
+# changes in the counting of time in Latvia from 1981....
+#
+# Act No.35 of the Council of Ministers of Latvian SSR of 1981-01-22 ...
+# according to the Act No.925 of the Council of Ministers of USSR of 1980-10-24
+# ...: all year round the time of 2nd time zone + 1 hour, in addition turning
+# the hands of the clock 1 hour forward on 1 April at 00:00 (GMT 31 March 21:00)
+# and 1 hour backward on the 1 October at 00:00 (GMT 30 September 20:00).
+#
+# Act No.592 of the Council of Ministers of Latvian SSR of 1984-09-24 ...
+# according to the Act No.967 of the Council of Ministers of USSR of 1984-09-13
+# ...: all year round the time of 2nd time zone + 1 hour, in addition turning
+# the hands of the clock 1 hour forward on the last Sunday of March at 02:00
+# (GMT 23:00 on the previous day) and 1 hour backward on the last Sunday of
+# September at 03:00 (GMT 23:00 on the previous day).
+#
+# Act No.81 of the Council of Ministers of Latvian SSR of 1989-03-22 ...
+# according to the Act No.227 of the Council of Ministers of USSR of 1989-03-14
+# ...: since the last Sunday of March 1989 in Lithuanian SSR, Latvian SSR,
+# Estonian SSR and Kaliningrad region of Russian Federation all year round the
+# time of 2nd time zone (Moscow time minus one hour). On the territory of Latvia
+# transition to summer time is performed on the last Sunday of March at 02:00
+# (GMT 00:00), turning the hands of the clock 1 hour forward.  The end of
+# daylight saving time is performed on the last Sunday of September at 03:00
+# (GMT 00:00), turning the hands of the clock 1 hour backward. Exception is
+# 1989-03-26, when we must not turn the hands of the clock....
+#
+# The Regulations of the Cabinet of Ministers of the Republic of Latvia of
+# 1997-01-21 on transition to Summer time ... established the same order of
+# daylight savings time settings as in the States of the European Union.
+
+# From Andrei Ivanov (2000-03-06):
+# This year Latvia will not switch to Daylight Savings Time (as specified in
+# 
+# The Regulations of the Cabinet of Ministers of the Rep. of Latvia of
+# 29-Feb-2000 (#79), in Latvian for subscribers only).
+
+# 
+# From RFE/RL Newsline (2001-01-03), noted after a heads-up by Rives McDow:
+# 
+# The Latvian government on 2 January decided that the country will
+# institute daylight-saving time this spring, LETA reported.
+# Last February the three Baltic states decided not to turn back their
+# clocks one hour in the spring....
+# Minister of Economy Aigars Kalvitis noted that Latvia had too few
+# daylight hours and thus decided to comply with a draft European
+# Commission directive that provides for instituting daylight-saving
+# time in EU countries between 2002 and 2006. The Latvian government
+# urged Lithuania and Estonia to adopt a similar time policy, but it
+# appears that they will not do so....
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Latvia	1989	1996	-	Mar	lastSun	 2:00s	1:00	S
+Rule	Latvia	1989	1996	-	Sep	lastSun	 2:00s	0	-
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Europe/Riga	1:36:24	-	LMT	1880
+			1:36:24	-	RMT	1918 Apr 15 2:00 #Riga Mean Time
+			1:36:24	1:00	LST	1918 Sep 16 3:00 #Latvian Summer
+			1:36:24	-	RMT	1919 Apr  1 2:00
+			1:36:24	1:00	LST	1919 May 22 3:00
+			1:36:24	-	RMT	1926 May 11
+			2:00	-	EET	1940 Aug  5
+			3:00	-	MSK	1941 Jul
+			1:00	C-Eur	CE%sT	1944 Oct 13
+			3:00	Russia	MSK/MSD	1989 Mar lastSun 2:00s
+			2:00	1:00	EEST	1989 Sep lastSun 2:00s
+			2:00	Latvia	EE%sT	1997 Jan 21
+			2:00	EU	EE%sT	2000 Feb 29
+			2:00	-	EET	2001 Jan  2
+			2:00	EU	EE%sT
+
+# Liechtenstein
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Europe/Vaduz	0:38:04 -	LMT	1894 Jun
+			1:00	-	CET	1981
+			1:00	EU	CE%sT
+
+# Lithuania
+
+# From Paul Eggert (1996-11-22):
+# IATA SSIM (1992/1996) says Lithuania uses W-Eur rules, but since it is
+# known to be wrong about Estonia and Latvia, assume it's wrong here too.
+
+# From Marius Gedminas (1998-08-07):
+# I would like to inform that in this year Lithuanian time zone
+# (Europe/Vilnius) was changed.
+
+# From ELTA No. 972 (2582) (1999-09-29),
+# via Steffen Thorsen:
+# Lithuania has shifted back to the second time zone (GMT plus two hours)
+# to be valid here starting from October 31,
+# as decided by the national government on Wednesday....
+# The Lithuanian government also announced plans to consider a
+# motion to give up shifting to summer time in spring, as it was
+# already done by Estonia.
+
+# From the 
+# Fact File, Lithuanian State Department of Tourism
+#  (2000-03-27): Local time is GMT+2 hours ..., no daylight saving.
+
+# From a user via Klaus Marten (2003-02-07):
+# As a candidate for membership of the European Union, Lithuania will
+# observe Summer Time in 2003, changing its clocks at the times laid
+# down in EU Directive 2000/84 of 19.I.01 (i.e. at the same times as its
+# neighbour Latvia). The text of the Lithuanian government Order of
+# 7.XI.02 to this effect can be found at
+# http://www.lrvk.lt/nut/11/n1749.htm
+
+
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Europe/Vilnius	1:41:16	-	LMT	1880
+			1:24:00	-	WMT	1917	    # Warsaw Mean Time
+			1:35:36	-	KMT	1919 Oct 10 # Kaunas Mean Time
+			1:00	-	CET	1920 Jul 12
+			2:00	-	EET	1920 Oct  9
+			1:00	-	CET	1940 Aug  3
+			3:00	-	MSK	1941 Jun 24
+			1:00	C-Eur	CE%sT	1944 Aug
+			3:00	Russia	MSK/MSD	1991 Mar 31 2:00s
+			2:00	1:00	EEST	1991 Sep 29 2:00s
+			2:00	C-Eur	EE%sT	1998
+			2:00	-	EET	1998 Mar 29 1:00u
+			1:00	EU	CE%sT	1999 Oct 31 1:00u
+			2:00	-	EET	2003 Jan  1
+			2:00	EU	EE%sT
+
+# Luxembourg
+# Whitman disagrees with most of these dates in minor ways;
+# go with Shanks & Pottenger.
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Lux	1916	only	-	May	14	23:00	1:00	S
+Rule	Lux	1916	only	-	Oct	 1	 1:00	0	-
+Rule	Lux	1917	only	-	Apr	28	23:00	1:00	S
+Rule	Lux	1917	only	-	Sep	17	 1:00	0	-
+Rule	Lux	1918	only	-	Apr	Mon>=15	 2:00s	1:00	S
+Rule	Lux	1918	only	-	Sep	Mon>=15	 2:00s	0	-
+Rule	Lux	1919	only	-	Mar	 1	23:00	1:00	S
+Rule	Lux	1919	only	-	Oct	 5	 3:00	0	-
+Rule	Lux	1920	only	-	Feb	14	23:00	1:00	S
+Rule	Lux	1920	only	-	Oct	24	 2:00	0	-
+Rule	Lux	1921	only	-	Mar	14	23:00	1:00	S
+Rule	Lux	1921	only	-	Oct	26	 2:00	0	-
+Rule	Lux	1922	only	-	Mar	25	23:00	1:00	S
+Rule	Lux	1922	only	-	Oct	Sun>=2	 1:00	0	-
+Rule	Lux	1923	only	-	Apr	21	23:00	1:00	S
+Rule	Lux	1923	only	-	Oct	Sun>=2	 2:00	0	-
+Rule	Lux	1924	only	-	Mar	29	23:00	1:00	S
+Rule	Lux	1924	1928	-	Oct	Sun>=2	 1:00	0	-
+Rule	Lux	1925	only	-	Apr	 5	23:00	1:00	S
+Rule	Lux	1926	only	-	Apr	17	23:00	1:00	S
+Rule	Lux	1927	only	-	Apr	 9	23:00	1:00	S
+Rule	Lux	1928	only	-	Apr	14	23:00	1:00	S
+Rule	Lux	1929	only	-	Apr	20	23:00	1:00	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Europe/Luxembourg	0:24:36 -	LMT	1904 Jun
+			1:00	Lux	CE%sT	1918 Nov 25
+			0:00	Lux	WE%sT	1929 Oct  6 2:00s
+			0:00	Belgium	WE%sT	1940 May 14 3:00
+			1:00	C-Eur	WE%sT	1944 Sep 18 3:00
+			1:00	Belgium	CE%sT	1977
+			1:00	EU	CE%sT
+
+# Macedonia
+# see Serbia
+
+# Malta
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Malta	1973	only	-	Mar	31	0:00s	1:00	S
+Rule	Malta	1973	only	-	Sep	29	0:00s	0	-
+Rule	Malta	1974	only	-	Apr	21	0:00s	1:00	S
+Rule	Malta	1974	only	-	Sep	16	0:00s	0	-
+Rule	Malta	1975	1979	-	Apr	Sun>=15	2:00	1:00	S
+Rule	Malta	1975	1980	-	Sep	Sun>=15	2:00	0	-
+Rule	Malta	1980	only	-	Mar	31	2:00	1:00	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Europe/Malta	0:58:04 -	LMT	1893 Nov  2 0:00s # Valletta
+			1:00	Italy	CE%sT	1942 Nov  2 2:00s
+			1:00	C-Eur	CE%sT	1945 Apr  2 2:00s
+			1:00	Italy	CE%sT	1973 Mar 31
+			1:00	Malta	CE%sT	1981
+			1:00	EU	CE%sT
+
+# Moldova
+
+# From Paul Eggert (2006-03-22):
+# A previous version of this database followed Shanks & Pottenger, who write
+# that Tiraspol switched to Moscow time on 1992-01-19 at 02:00.
+# However, this is most likely an error, as Moldova declared independence
+# on 1991-08-27 (the 1992-01-19 date is that of a Russian decree).
+# In early 1992 there was large-scale interethnic violence in the area
+# and it's possible that some Russophones continued to observe Moscow time.
+# But [two people] separately reported via
+# Jesper Norgaard that as of 2001-01-24 Tiraspol was like Chisinau.
+# The Tiraspol entry has therefore been removed for now.
+
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Europe/Chisinau	1:55:20 -	LMT	1880
+			1:55	-	CMT	1918 Feb 15 # Chisinau MT
+			1:44:24	-	BMT	1931 Jul 24 # Bucharest MT
+			2:00	Romania	EE%sT	1940 Aug 15
+			2:00	1:00	EEST	1941 Jul 17
+			1:00	C-Eur	CE%sT	1944 Aug 24
+			3:00	Russia	MSK/MSD	1990
+			3:00	-	MSK	1990 May 6
+			2:00	-	EET	1991
+			2:00	Russia	EE%sT	1992
+			2:00	E-Eur	EE%sT	1997
+# See Romania commentary for the guessed 1997 transition to EU rules.
+			2:00	EU	EE%sT
+
+# Monaco
+# Shanks & Pottenger give 0:09:20 for Paris Mean Time; go with Howse's
+# more precise 0:09:21.
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Europe/Monaco	0:29:32 -	LMT	1891 Mar 15
+			0:09:21	-	PMT	1911 Mar 11    # Paris Mean Time
+			0:00	France	WE%sT	1945 Sep 16 3:00
+			1:00	France	CE%sT	1977
+			1:00	EU	CE%sT
+
+# Montenegro
+# see Serbia
+
+# Netherlands
+
+# Howse writes that the Netherlands' railways used GMT between 1892 and 1940,
+# but for other purposes the Netherlands used Amsterdam mean time.
+
+# However, Robert H. van Gent writes (2001-04-01):
+# Howse's statement is only correct up to 1909. From 1909-05-01 (00:00:00
+# Amsterdam mean time) onwards, the whole of the Netherlands (including
+# the Dutch railways) was required by law to observe Amsterdam mean time
+# (19 minutes 32.13 seconds ahead of GMT). This had already been the
+# common practice (except for the railways) for many decades but it was
+# not until 1909 when the Dutch government finally defined this by law.
+# On 1937-07-01 this was changed to 20 minutes (exactly) ahead of GMT and
+# was generally known as Dutch Time ("Nederlandse Tijd").
+#
+# (2001-04-08):
+# 1892-05-01 was the date when the Dutch railways were by law required to
+# observe GMT while the remainder of the Netherlands adhered to the common
+# practice of following Amsterdam mean time.
+#
+# (2001-04-09):
+# In 1835 the authorities of the province of North Holland requested the
+# municipal authorities of the towns and cities in the province to observe
+# Amsterdam mean time but I do not know in how many cases this request was
+# actually followed.
+#
+# From 1852 onwards the Dutch telegraph offices were by law required to
+# observe Amsterdam mean time. As the time signals from the observatory of
+# Leiden were also distributed by the telegraph system, I assume that most
+# places linked up with the telegraph (and railway) system automatically
+# adopted Amsterdam mean time.
+#
+# Although the early Dutch railway companies initially observed a variety
+# of times, most of them had adopted Amsterdam mean time by 1858 but it
+# was not until 1866 when they were all required by law to observe
+# Amsterdam mean time.
+
+# The data before 1945 are taken from
+# .
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Neth	1916	only	-	May	 1	0:00	1:00	NST	# Netherlands Summer Time
+Rule	Neth	1916	only	-	Oct	 1	0:00	0	AMT	# Amsterdam Mean Time
+Rule	Neth	1917	only	-	Apr	16	2:00s	1:00	NST
+Rule	Neth	1917	only	-	Sep	17	2:00s	0	AMT
+Rule	Neth	1918	1921	-	Apr	Mon>=1	2:00s	1:00	NST
+Rule	Neth	1918	1921	-	Sep	lastMon	2:00s	0	AMT
+Rule	Neth	1922	only	-	Mar	lastSun	2:00s	1:00	NST
+Rule	Neth	1922	1936	-	Oct	Sun>=2	2:00s	0	AMT
+Rule	Neth	1923	only	-	Jun	Fri>=1	2:00s	1:00	NST
+Rule	Neth	1924	only	-	Mar	lastSun	2:00s	1:00	NST
+Rule	Neth	1925	only	-	Jun	Fri>=1	2:00s	1:00	NST
+# From 1926 through 1939 DST began 05-15, except that it was delayed by a week
+# in years when 05-15 fell in the Pentecost weekend.
+Rule	Neth	1926	1931	-	May	15	2:00s	1:00	NST
+Rule	Neth	1932	only	-	May	22	2:00s	1:00	NST
+Rule	Neth	1933	1936	-	May	15	2:00s	1:00	NST
+Rule	Neth	1937	only	-	May	22	2:00s	1:00	NST
+Rule	Neth	1937	only	-	Jul	 1	0:00	1:00	S
+Rule	Neth	1937	1939	-	Oct	Sun>=2	2:00s	0	-
+Rule	Neth	1938	1939	-	May	15	2:00s	1:00	S
+Rule	Neth	1945	only	-	Apr	 2	2:00s	1:00	S
+Rule	Neth	1945	only	-	Sep	16	2:00s	0	-
+#
+# Amsterdam Mean Time was +00:19:32.13 exactly, but the .13 is omitted
+# below because the current format requires GMTOFF to be an integer.
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Europe/Amsterdam	0:19:32 -	LMT	1835
+			0:19:32	Neth	%s	1937 Jul  1
+			0:20	Neth	NE%sT	1940 May 16 0:00 # Dutch Time
+			1:00	C-Eur	CE%sT	1945 Apr  2 2:00
+			1:00	Neth	CE%sT	1977
+			1:00	EU	CE%sT
+
+# Norway
+# http://met.no/met/met_lex/q_u/sommertid.html (2004-01) agrees with Shanks &
+# Pottenger.
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Norway	1916	only	-	May	22	1:00	1:00	S
+Rule	Norway	1916	only	-	Sep	30	0:00	0	-
+Rule	Norway	1945	only	-	Apr	 2	2:00s	1:00	S
+Rule	Norway	1945	only	-	Oct	 1	2:00s	0	-
+Rule	Norway	1959	1964	-	Mar	Sun>=15	2:00s	1:00	S
+Rule	Norway	1959	1965	-	Sep	Sun>=15	2:00s	0	-
+Rule	Norway	1965	only	-	Apr	25	2:00s	1:00	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Europe/Oslo	0:43:00 -	LMT	1895 Jan  1
+			1:00	Norway	CE%sT	1940 Aug 10 23:00
+			1:00	C-Eur	CE%sT	1945 Apr  2  2:00
+			1:00	Norway	CE%sT	1980
+			1:00	EU	CE%sT
+
+# Svalbard & Jan Mayen
+
+# From Steffen Thorsen (2001-05-01):
+# Although I could not find it explicitly, it seems that Jan Mayen and
+# Svalbard have been using the same time as Norway at least since the
+# time they were declared as parts of Norway.  Svalbard was declared
+# as a part of Norway by law of 1925-07-17 no 11, section 4 and Jan
+# Mayen by law of 1930-02-27 no 2, section 2. (From
+# http://www.lovdata.no/all/nl-19250717-011.html and
+# http://www.lovdata.no/all/nl-19300227-002.html).  The law/regulation
+# for normal/standard time in Norway is from 1894-06-29 no 1 (came
+# into operation on 1895-01-01) and Svalbard/Jan Mayen seem to be a
+# part of this law since 1925/1930. (From
+# http://www.lovdata.no/all/nl-18940629-001.html ) I have not been
+# able to find if Jan Mayen used a different time zone (e.g. -0100)
+# before 1930. Jan Mayen has only been "inhabitated" since 1921 by
+# Norwegian meteorologists and maybe used the same time as Norway ever
+# since 1921.  Svalbard (Arctic/Longyearbyen) has been inhabited since
+# before 1895, and therefore probably changed the local time somewhere
+# between 1895 and 1925 (inclusive).
+
+# From Paul Eggert (2001-05-01):
+#
+# Actually, Jan Mayen was never occupied by Germany during World War II,
+# so it must have diverged from Oslo time during the war, as Oslo was
+# keeping Berlin time.
+#
+#  says that the meteorologists
+# burned down their station in 1940 and left the island, but returned in
+# 1941 with a small Norwegian garrison and continued operations despite
+# frequent air ttacks from Germans.  In 1943 the Americans established a
+# radiolocating station on the island, called "Atlantic City".  Possibly
+# the UTC offset changed during the war, but I think it unlikely that
+# Jan Mayen used German daylight-saving rules.
+#
+# Svalbard is more complicated, as it was raided in August 1941 by an
+# Allied party that evacuated the civilian population to England (says
+# ).  The Svalbard FAQ
+#  says that the Germans were
+# expelled on 1942-05-14.  However, small parties of Germans did return,
+# and according to Wilhelm Dege's book "War North of 80" (1954)
+# 
+# the German armed forces at the Svalbard weather station code-named
+# Haudegen did not surrender to the Allies until September 1945.
+#
+# All these events predate our cutoff date of 1970.  Unless we can
+# come up with more definitive info about the timekeeping during the
+# war years it's probably best just do do the following for now:
+Link	Europe/Oslo	Arctic/Longyearbyen
+Link	Europe/Oslo	Atlantic/Jan_Mayen
+
+# Poland
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Poland	1918	1919	-	Sep	16	2:00s	0	-
+Rule	Poland	1919	only	-	Apr	15	2:00s	1:00	S
+Rule	Poland	1944	only	-	Apr	 3	2:00s	1:00	S
+# Whitman gives 1944 Nov 30; go with Shanks & Pottenger.
+Rule	Poland	1944	only	-	Oct	 4	2:00	0	-
+# For 1944-1948 Whitman gives the previous day; go with Shanks & Pottenger.
+Rule	Poland	1945	only	-	Apr	29	0:00	1:00	S
+Rule	Poland	1945	only	-	Nov	 1	0:00	0	-
+# For 1946 on the source is Kazimierz Borkowski,
+# Torun Center for Astronomy, Dept. of Radio Astronomy, Nicolaus Copernicus U.,
+# 
+# Thanks to Przemyslaw Augustyniak (2005-05-28) for this reference.
+# He also gives these further references:
+# Mon Pol nr 13, poz 162 (1995) 
+# Druk nr 2180 (2003) 
+Rule	Poland	1946	only	-	Apr	14	0:00s	1:00	S
+Rule	Poland	1946	only	-	Oct	 7	2:00s	0	-
+Rule	Poland	1947	only	-	May	 4	2:00s	1:00	S
+Rule	Poland	1947	1949	-	Oct	Sun>=1	2:00s	0	-
+Rule	Poland	1948	only	-	Apr	18	2:00s	1:00	S
+Rule	Poland	1949	only	-	Apr	10	2:00s	1:00	S
+Rule	Poland	1957	only	-	Jun	 2	1:00s	1:00	S
+Rule	Poland	1957	1958	-	Sep	lastSun	1:00s	0	-
+Rule	Poland	1958	only	-	Mar	30	1:00s	1:00	S
+Rule	Poland	1959	only	-	May	31	1:00s	1:00	S
+Rule	Poland	1959	1961	-	Oct	Sun>=1	1:00s	0	-
+Rule	Poland	1960	only	-	Apr	 3	1:00s	1:00	S
+Rule	Poland	1961	1964	-	May	lastSun	1:00s	1:00	S
+Rule	Poland	1962	1964	-	Sep	lastSun	1:00s	0	-
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Europe/Warsaw	1:24:00 -	LMT	1880
+			1:24:00	-	WMT	1915 Aug  5   # Warsaw Mean Time
+			1:00	C-Eur	CE%sT	1918 Sep 16 3:00
+			2:00	Poland	EE%sT	1922 Jun
+			1:00	Poland	CE%sT	1940 Jun 23 2:00
+			1:00	C-Eur	CE%sT	1944 Oct
+			1:00	Poland	CE%sT	1977
+			1:00	W-Eur	CE%sT	1988
+			1:00	EU	CE%sT
+
+# Portugal
+#
+# From Rui Pedro Salgueiro (1992-11-12):
+# Portugal has recently (September, 27) changed timezone
+# (from WET to MET or CET) to harmonize with EEC.
+#
+# Martin Bruckmann (1996-02-29) reports via Peter Ilieve
+# that Portugal is reverting to 0:00 by not moving its clocks this spring.
+# The new Prime Minister was fed up with getting up in the dark in the winter.
+#
+# From Paul Eggert (1996-11-12):
+# IATA SSIM (1991-09) reports several 1991-09 and 1992-09 transitions
+# at 02:00u, not 01:00u.  Assume that these are typos.
+# IATA SSIM (1991/1992) reports that the Azores were at -1:00.
+# IATA SSIM (1993-02) says +0:00; later issues (through 1996-09) say -1:00.
+# Guess that the Azores changed to EU rules in 1992 (since that's when Portugal
+# harmonized with the EU), and that they stayed +0:00 that winter.
+#
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# DSH writes that despite Decree 1,469 (1915), the change to the clocks was not
+# done every year, depending on what Spain did, because of railroad schedules.
+# Go with Shanks & Pottenger.
+Rule	Port	1916	only	-	Jun	17	23:00	1:00	S
+# Whitman gives 1916 Oct 31; go with Shanks & Pottenger.
+Rule	Port	1916	only	-	Nov	 1	 1:00	0	-
+Rule	Port	1917	only	-	Feb	28	23:00s	1:00	S
+Rule	Port	1917	1921	-	Oct	14	23:00s	0	-
+Rule	Port	1918	only	-	Mar	 1	23:00s	1:00	S
+Rule	Port	1919	only	-	Feb	28	23:00s	1:00	S
+Rule	Port	1920	only	-	Feb	29	23:00s	1:00	S
+Rule	Port	1921	only	-	Feb	28	23:00s	1:00	S
+Rule	Port	1924	only	-	Apr	16	23:00s	1:00	S
+Rule	Port	1924	only	-	Oct	14	23:00s	0	-
+Rule	Port	1926	only	-	Apr	17	23:00s	1:00	S
+Rule	Port	1926	1929	-	Oct	Sat>=1	23:00s	0	-
+Rule	Port	1927	only	-	Apr	 9	23:00s	1:00	S
+Rule	Port	1928	only	-	Apr	14	23:00s	1:00	S
+Rule	Port	1929	only	-	Apr	20	23:00s	1:00	S
+Rule	Port	1931	only	-	Apr	18	23:00s	1:00	S
+# Whitman gives 1931 Oct 8; go with Shanks & Pottenger.
+Rule	Port	1931	1932	-	Oct	Sat>=1	23:00s	0	-
+Rule	Port	1932	only	-	Apr	 2	23:00s	1:00	S
+Rule	Port	1934	only	-	Apr	 7	23:00s	1:00	S
+# Whitman gives 1934 Oct 5; go with Shanks & Pottenger.
+Rule	Port	1934	1938	-	Oct	Sat>=1	23:00s	0	-
+# Shanks & Pottenger give 1935 Apr 30; go with Whitman.
+Rule	Port	1935	only	-	Mar	30	23:00s	1:00	S
+Rule	Port	1936	only	-	Apr	18	23:00s	1:00	S
+# Whitman gives 1937 Apr 2; go with Shanks & Pottenger.
+Rule	Port	1937	only	-	Apr	 3	23:00s	1:00	S
+Rule	Port	1938	only	-	Mar	26	23:00s	1:00	S
+Rule	Port	1939	only	-	Apr	15	23:00s	1:00	S
+# Whitman gives 1939 Oct 7; go with Shanks & Pottenger.
+Rule	Port	1939	only	-	Nov	18	23:00s	0	-
+Rule	Port	1940	only	-	Feb	24	23:00s	1:00	S
+# Shanks & Pottenger give 1940 Oct 7; go with Whitman.
+Rule	Port	1940	1941	-	Oct	 5	23:00s	0	-
+Rule	Port	1941	only	-	Apr	 5	23:00s	1:00	S
+Rule	Port	1942	1945	-	Mar	Sat>=8	23:00s	1:00	S
+Rule	Port	1942	only	-	Apr	25	22:00s	2:00	M # Midsummer
+Rule	Port	1942	only	-	Aug	15	22:00s	1:00	S
+Rule	Port	1942	1945	-	Oct	Sat>=24	23:00s	0	-
+Rule	Port	1943	only	-	Apr	17	22:00s	2:00	M
+Rule	Port	1943	1945	-	Aug	Sat>=25	22:00s	1:00	S
+Rule	Port	1944	1945	-	Apr	Sat>=21	22:00s	2:00	M
+Rule	Port	1946	only	-	Apr	Sat>=1	23:00s	1:00	S
+Rule	Port	1946	only	-	Oct	Sat>=1	23:00s	0	-
+Rule	Port	1947	1949	-	Apr	Sun>=1	 2:00s	1:00	S
+Rule	Port	1947	1949	-	Oct	Sun>=1	 2:00s	0	-
+# Shanks & Pottenger say DST was observed in 1950; go with Whitman.
+# Whitman gives Oct lastSun for 1952 on; go with Shanks & Pottenger.
+Rule	Port	1951	1965	-	Apr	Sun>=1	 2:00s	1:00	S
+Rule	Port	1951	1965	-	Oct	Sun>=1	 2:00s	0	-
+Rule	Port	1977	only	-	Mar	27	 0:00s	1:00	S
+Rule	Port	1977	only	-	Sep	25	 0:00s	0	-
+Rule	Port	1978	1979	-	Apr	Sun>=1	 0:00s	1:00	S
+Rule	Port	1978	only	-	Oct	 1	 0:00s	0	-
+Rule	Port	1979	1982	-	Sep	lastSun	 1:00s	0	-
+Rule	Port	1980	only	-	Mar	lastSun	 0:00s	1:00	S
+Rule	Port	1981	1982	-	Mar	lastSun	 1:00s	1:00	S
+Rule	Port	1983	only	-	Mar	lastSun	 2:00s	1:00	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Shanks & Pottenger say the transition from LMT to WET occurred 1911-05-24;
+# Willett says 1912-01-01.  Go with Willett.
+Zone	Europe/Lisbon	-0:36:32 -	LMT	1884
+			-0:36:32 -	LMT	1912 Jan  1  # Lisbon Mean Time
+			 0:00	Port	WE%sT	1966 Apr  3 2:00
+			 1:00	-	CET	1976 Sep 26 1:00
+			 0:00	Port	WE%sT	1983 Sep 25 1:00s
+			 0:00	W-Eur	WE%sT	1992 Sep 27 1:00s
+			 1:00	EU	CE%sT	1996 Mar 31 1:00u
+			 0:00	EU	WE%sT
+Zone Atlantic/Azores	-1:42:40 -	LMT	1884		# Ponta Delgada
+			-1:54:32 -	HMT	1911 May 24  # Horta Mean Time
+			-2:00	Port	AZO%sT	1966 Apr  3 2:00 # Azores Time
+			-1:00	Port	AZO%sT	1983 Sep 25 1:00s
+			-1:00	W-Eur	AZO%sT	1992 Sep 27 1:00s
+			 0:00	EU	WE%sT	1993 Mar 28 1:00u
+			-1:00	EU	AZO%sT
+Zone Atlantic/Madeira	-1:07:36 -	LMT	1884		# Funchal
+			-1:07:36 -	FMT	1911 May 24  # Funchal Mean Time
+			-1:00	Port	MAD%sT	1966 Apr  3 2:00 # Madeira Time
+			 0:00	Port	WE%sT	1983 Sep 25 1:00s
+			 0:00	EU	WE%sT
+
+# Romania
+#
+# From Paul Eggert (1999-10-07):
+# 
+# Nine O'clock (1998-10-23) reports that the switch occurred at
+# 04:00 local time in fall 1998.  For lack of better info,
+# assume that Romania and Moldova switched to EU rules in 1997,
+# the same year as Bulgaria.
+#
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Romania	1932	only	-	May	21	 0:00s	1:00	S
+Rule	Romania	1932	1939	-	Oct	Sun>=1	 0:00s	0	-
+Rule	Romania	1933	1939	-	Apr	Sun>=2	 0:00s	1:00	S
+Rule	Romania	1979	only	-	May	27	 0:00	1:00	S
+Rule	Romania	1979	only	-	Sep	lastSun	 0:00	0	-
+Rule	Romania	1980	only	-	Apr	 5	23:00	1:00	S
+Rule	Romania	1980	only	-	Sep	lastSun	 1:00	0	-
+Rule	Romania	1991	1993	-	Mar	lastSun	 0:00s	1:00	S
+Rule	Romania	1991	1993	-	Sep	lastSun	 0:00s	0	-
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Europe/Bucharest	1:44:24 -	LMT	1891 Oct
+			1:44:24	-	BMT	1931 Jul 24	# Bucharest MT
+			2:00	Romania	EE%sT	1981 Mar 29 2:00s
+			2:00	C-Eur	EE%sT	1991
+			2:00	Romania	EE%sT	1994
+			2:00	E-Eur	EE%sT	1997
+			2:00	EU	EE%sT
+
+# Russia
+
+# From Paul Eggert (2006-03-22):
+# Except for Moscow after 1919-07-01, I invented the time zone abbreviations.
+# Moscow time zone abbreviations after 1919-07-01, and Moscow rules after 1991,
+# are from Andrey A. Chernov.  The rest is from Shanks & Pottenger,
+# except we follow Chernov's report that 1992 DST transitions were Sat
+# 23:00, not Sun 02:00s.
+#
+# From Stanislaw A. Kuzikowski (1994-06-29):
+# But now it is some months since Novosibirsk is 3 hours ahead of Moscow!
+# I do not know why they have decided to make this change;
+# as far as I remember it was done exactly during winter->summer switching
+# so we (Novosibirsk) simply did not switch.
+#
+# From Andrey A. Chernov (1996-10-04):
+# `MSK' and `MSD' were born and used initially on Moscow computers with
+# UNIX-like OSes by several developer groups (e.g. Demos group, Kiae group)....
+# The next step was the UUCP network, the Relcom predecessor
+# (used mainly for mail), and MSK/MSD was actively used there.
+#
+# From Chris Carrier (1996-10-30):
+# According to a friend of mine who rode the Trans-Siberian Railroad from
+# Moscow to Irkutsk in 1995, public air and rail transport in Russia ...
+# still follows Moscow time, no matter where in Russia it is located.
+#
+# For Grozny, Chechnya, we have the following story from
+# John Daniszewski, "Scavengers in the Rubble", Los Angeles Times (2001-02-07):
+# News--often false--is spread by word of mouth.  A rumor that it was
+# time to move the clocks back put this whole city out of sync with
+# the rest of Russia for two weeks--even soldiers stationed here began
+# enforcing curfew at the wrong time.
+#
+# From Gwillim Law (2001-06-05):
+# There's considerable evidence that Sakhalin Island used to be in
+# UTC+11, and has changed to UTC+10, in this decade.  I start with the
+# SSIM, which listed Yuzhno-Sakhalinsk in zone RU10 along with Magadan
+# until February 1997, and then in RU9 with Khabarovsk and Vladivostok
+# since September 1997....  Although the Kuril Islands are
+# administratively part of Sakhalin oblast', they appear to have
+# remained on UTC+11 along with Magadan.
+#
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+#
+# Kaliningradskaya oblast'.
+Zone Europe/Kaliningrad	 1:22:00 -	LMT	1893 Apr
+			 1:00	C-Eur	CE%sT	1945
+			 2:00	Poland	CE%sT	1946
+			 3:00	Russia	MSK/MSD	1991 Mar 31 2:00s
+			 2:00	Russia	EE%sT
+#
+# From Oscar van Vlijmen (2001-08-25): [This region consists of]
+# Respublika Adygeya, Arkhangel'skaya oblast',
+# Belgorodskaya oblast', Bryanskaya oblast', Vladimirskaya oblast',
+# Vologodskaya oblast', Voronezhskaya oblast',
+# Respublika Dagestan, Ivanovskaya oblast', Respublika Ingushetiya,
+# Kabarbino-Balkarskaya Respublika, Respublika Kalmykiya,
+# Kalyzhskaya oblast', Respublika Karachaevo-Cherkessiya,
+# Respublika Kareliya, Respublika Komi,
+# Kostromskaya oblast', Krasnodarskij kraj, Kurskaya oblast',
+# Leningradskaya oblast', Lipetskaya oblast', Respublika Marij El,
+# Respublika Mordoviya, Moskva, Moskovskaya oblast',
+# Murmanskaya oblast', Nenetskij avtonomnyj okrug,
+# Nizhegorodskaya oblast', Novgorodskaya oblast', Orlovskaya oblast',
+# Penzenskaya oblast', Pskovskaya oblast', Rostovskaya oblast',
+# Ryazanskaya oblast', Sankt-Peterburg,
+# Respublika Severnaya Osetiya, Smolenskaya oblast',
+# Stavropol'skij kraj, Tambovskaya oblast', Respublika Tatarstan,
+# Tverskaya oblast', Tyl'skaya oblast', Ul'yanovskaya oblast',
+# Chechenskaya Respublika, Chuvashskaya oblast',
+# Yaroslavskaya oblast'
+Zone Europe/Moscow	 2:30:20 -	LMT	1880
+			 2:30	-	MMT	1916 Jul  3 # Moscow Mean Time
+			 2:30:48 Russia	%s	1919 Jul  1 2:00
+			 3:00	Russia	MSK/MSD	1922 Oct
+			 2:00	-	EET	1930 Jun 21
+			 3:00	Russia	MSK/MSD	1991 Mar 31 2:00s
+			 2:00	Russia	EE%sT	1992 Jan 19 2:00s
+			 3:00	Russia	MSK/MSD
+#
+# Astrakhanskaya oblast', Kirovskaya oblast', Saratovskaya oblast',
+# Volgogradskaya oblast'.  Shanks & Pottenger say Kirov is still at +0400
+# but Wikipedia (2006-05-09) says +0300.  Perhaps it switched after the
+# others?  But we have no data.
+Zone Europe/Volgograd	 2:57:40 -	LMT	1920 Jan  3
+			 3:00	-	TSAT	1925 Apr  6 # Tsaritsyn Time
+			 3:00	-	STAT	1930 Jun 21 # Stalingrad Time
+			 4:00	-	STAT	1961 Nov 11
+			 4:00	Russia	VOL%sT	1989 Mar 26 2:00s # Volgograd T
+			 3:00	Russia	VOL%sT	1991 Mar 31 2:00s
+			 4:00	-	VOLT	1992 Mar 29 2:00s
+			 3:00	Russia	VOL%sT
+#
+# From Oscar van Vlijmen (2001-08-25): [This region consists of]
+# Samarskaya oblast', Udmyrtskaya respublika
+Zone Europe/Samara	 3:20:36 -	LMT	1919 Jul  1 2:00
+			 3:00	-	SAMT	1930 Jun 21
+			 4:00	-	SAMT	1935 Jan 27
+			 4:00	Russia	KUY%sT	1989 Mar 26 2:00s # Kuybyshev
+			 3:00	Russia	KUY%sT	1991 Mar 31 2:00s
+			 2:00	Russia	KUY%sT	1991 Sep 29 2:00s
+			 3:00	-	KUYT	1991 Oct 20 3:00
+			 4:00	Russia	SAM%sT	# Samara Time
+#
+# From Oscar van Vlijmen (2001-08-25): [This region consists of]
+# Respublika Bashkortostan, Komi-Permyatskij avtonomnyj okrug,
+# Kurganskaya oblast', Orenburgskaya oblast', Permskaya oblast',
+# Sverdlovskaya oblast', Tyumenskaya oblast',
+# Khanty-Manskijskij avtonomnyj okrug, Chelyabinskaya oblast',
+# Yamalo-Nenetskij avtonomnyj okrug.
+Zone Asia/Yekaterinburg	 4:02:24 -	LMT	1919 Jul 15 4:00
+			 4:00	-	SVET	1930 Jun 21 # Sverdlovsk Time
+			 5:00	Russia	SVE%sT	1991 Mar 31 2:00s
+			 4:00	Russia	SVE%sT	1992 Jan 19 2:00s
+			 5:00	Russia	YEK%sT	# Yekaterinburg Time
+#
+# From Oscar van Vlijmen (2001-08-25): [This region consists of]
+# Respublika Altaj, Altajskij kraj, Omskaya oblast'.
+Zone Asia/Omsk		 4:53:36 -	LMT	1919 Nov 14
+			 5:00	-	OMST	1930 Jun 21 # Omsk TIme
+			 6:00	Russia	OMS%sT	1991 Mar 31 2:00s
+			 5:00	Russia	OMS%sT	1992 Jan 19 2:00s
+			 6:00	Russia	OMS%sT
+#
+# From Paul Eggert (2006-08-19): I'm guessing about Tomsk here; it's
+# not clear when it switched from +7 to +6.
+# Novosibirskaya oblast', Tomskaya oblast'.
+Zone Asia/Novosibirsk	 5:31:40 -	LMT	1919 Dec 14 6:00
+			 6:00	-	NOVT	1930 Jun 21 # Novosibirsk Time
+			 7:00	Russia	NOV%sT	1991 Mar 31 2:00s
+			 6:00	Russia	NOV%sT	1992 Jan 19 2:00s
+			 7:00	Russia	NOV%sT	1993 May 23 # say Shanks & P.
+			 6:00	Russia	NOV%sT
+#
+# From Oscar van Vlijmen (2001-08-25): [This region consists of]
+# Kemerovskaya oblast', Krasnoyarskij kraj,
+# Tajmyrskij (Dolgano-Nenetskij) avtonomnyj okrug,
+# Respublika Tuva, Respublika Khakasiya, Evenkijskij avtonomnyj okrug.
+Zone Asia/Krasnoyarsk	 6:11:20 -	LMT	1920 Jan  6
+			 6:00	-	KRAT	1930 Jun 21 # Krasnoyarsk Time
+			 7:00	Russia	KRA%sT	1991 Mar 31 2:00s
+			 6:00	Russia	KRA%sT	1992 Jan 19 2:00s
+			 7:00	Russia	KRA%sT
+#
+# From Oscar van Vlijmen (2001-08-25): [This region consists of]
+# Respublika Buryatiya, Irkutskaya oblast',
+# Ust'-Ordynskij Buryatskij avtonomnyj okrug.
+Zone Asia/Irkutsk	 6:57:20 -	LMT	1880
+			 6:57:20 -	IMT	1920 Jan 25 # Irkutsk Mean Time
+			 7:00	-	IRKT	1930 Jun 21 # Irkutsk Time
+			 8:00	Russia	IRK%sT	1991 Mar 31 2:00s
+			 7:00	Russia	IRK%sT	1992 Jan 19 2:00s
+			 8:00	Russia	IRK%sT
+#
+# From Oscar van Vlijmen (2003-10-18): [This region consists of]
+# Aginskij Buryatskij avtonomnyj okrug, Amurskaya oblast',
+# [parts of] Respublika Sakha (Yakutiya), Chitinskaya oblast'.
+# The Sakha districts are: Aldanskij, Amginskij, Anabarskij,
+# Bulunskij, Verkhnekolymskij, Verkhnevilyujskij, Vilyujskij, Gornyj,
+# Zhiganskij, Kobyajskij, Lenskij, Megino-Kangalasskij, Mirninskij,
+# Namskij, Nyurbinskij, Olenekskij, Olekminskij, Srednekolymskij,
+# Suntarskij, Tattinskij, Ust'-Aldanskij, Khangalasskij,
+# Churapchinskij, Eveno-Bytantajskij.
+Zone Asia/Yakutsk	 8:38:40 -	LMT	1919 Dec 15
+			 8:00	-	YAKT	1930 Jun 21 # Yakutsk Time
+			 9:00	Russia	YAK%sT	1991 Mar 31 2:00s
+			 8:00	Russia	YAK%sT	1992 Jan 19 2:00s
+			 9:00	Russia	YAK%sT
+#
+# From Oscar van Vlijmen (2003-10-18): [This region consists of]
+# Evrejskaya avtonomnaya oblast', Khabarovskij kraj, Primorskij kraj,
+# [parts of] Respublika Sakha (Yakutiya).
+# The Sakha districts are: Verkhoyanskij, Tomponskij, Ust'-Majskij,
+# Ust'-Yanskij.
+Zone Asia/Vladivostok	 8:47:44 -	LMT	1922 Nov 15
+			 9:00	-	VLAT	1930 Jun 21 # Vladivostok Time
+			10:00	Russia	VLA%sT	1991 Mar 31 2:00s
+			 9:00	Russia	VLA%sST	1992 Jan 19 2:00s
+			10:00	Russia	VLA%sT
+#
+# Sakhalinskaya oblast'.
+# The Zone name should be Yuzhno-Sakhalinsk, but that's too long.
+Zone Asia/Sakhalin	 9:30:48 -	LMT	1905 Aug 23
+			 9:00	-	CJT	1938
+			 9:00	-	JST	1945 Aug 25
+			11:00	Russia	SAK%sT	1991 Mar 31 2:00s # Sakhalin T.
+			10:00	Russia	SAK%sT	1992 Jan 19 2:00s
+			11:00	Russia	SAK%sT	1997 Mar lastSun 2:00s
+			10:00	Russia	SAK%sT
+#
+# From Oscar van Vlijmen (2003-10-18): [This region consists of]
+# Magadanskaya oblast', Respublika Sakha (Yakutiya).
+# Probably also: Kuril Islands.
+# The Sakha districts are: Abyjskij, Allaikhovskij, Momskij,
+# Nizhnekolymskij, Ojmyakonskij.
+Zone Asia/Magadan	10:03:12 -	LMT	1924 May  2
+			10:00	-	MAGT	1930 Jun 21 # Magadan Time
+			11:00	Russia	MAG%sT	1991 Mar 31 2:00s
+			10:00	Russia	MAG%sT	1992 Jan 19 2:00s
+			11:00	Russia	MAG%sT
+#
+# From Oscar van Vlijmen (2001-08-25): [This region consists of]
+# Kamchatskaya oblast', Koryakskij avtonomnyj okrug.
+#
+# The Zone name should be Asia/Petropavlovsk-Kamchatski, but that's too long.
+Zone Asia/Kamchatka	10:34:36 -	LMT	1922 Nov 10
+			11:00	-	PETT	1930 Jun 21 # P-K Time
+			12:00	Russia	PET%sT	1991 Mar 31 2:00s
+			11:00	Russia	PET%sT	1992 Jan 19 2:00s
+			12:00	Russia	PET%sT
+#
+# Chukotskij avtonomnyj okrug
+Zone Asia/Anadyr	11:49:56 -	LMT	1924 May  2
+			12:00	-	ANAT	1930 Jun 21 # Anadyr Time
+			13:00	Russia	ANA%sT	1982 Apr  1 0:00s
+			12:00	Russia	ANA%sT	1991 Mar 31 2:00s
+			11:00	Russia	ANA%sT	1992 Jan 19 2:00s
+			12:00	Russia	ANA%sT
+
+# Serbia
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Europe/Belgrade	1:22:00	-	LMT	1884
+			1:00	-	CET	1941 Apr 18 23:00
+			1:00	C-Eur	CE%sT	1945 May  8  2:00s
+			1:00	1:00	CEST	1945 Sep 16  2:00s
+# Metod Kozelj reports that the legal date of
+# transition to EU rules was 1982-11-27, for all of Yugoslavia at the time.
+# Shanks & Pottenger don't give as much detail, so go with Kozelj.
+			1:00	-	CET	1982 Nov 27
+			1:00	EU	CE%sT
+Link Europe/Belgrade Europe/Ljubljana	# Slovenia
+Link Europe/Belgrade Europe/Podgorica	# Montenegro
+Link Europe/Belgrade Europe/Sarajevo	# Bosnia and Herzegovina
+Link Europe/Belgrade Europe/Skopje	# Macedonia
+Link Europe/Belgrade Europe/Zagreb	# Croatia
+
+# Slovakia
+Link Europe/Prague Europe/Bratislava
+
+# Slovenia
+# see Serbia
+
+# Spain
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# For 1917-1919 Whitman gives Apr Sat>=1 - Oct Sat>=1;
+# go with Shanks & Pottenger.
+Rule	Spain	1917	only	-	May	 5	23:00s	1:00	S
+Rule	Spain	1917	1919	-	Oct	 6	23:00s	0	-
+Rule	Spain	1918	only	-	Apr	15	23:00s	1:00	S
+Rule	Spain	1919	only	-	Apr	 5	23:00s	1:00	S
+# Whitman gives 1921 Feb 28 - Oct 14; go with Shanks & Pottenger.
+Rule	Spain	1924	only	-	Apr	16	23:00s	1:00	S
+# Whitman gives 1924 Oct 14; go with Shanks & Pottenger.
+Rule	Spain	1924	only	-	Oct	 4	23:00s	0	-
+Rule	Spain	1926	only	-	Apr	17	23:00s	1:00	S
+# Whitman says no DST in 1929; go with Shanks & Pottenger.
+Rule	Spain	1926	1929	-	Oct	Sat>=1	23:00s	0	-
+Rule	Spain	1927	only	-	Apr	 9	23:00s	1:00	S
+Rule	Spain	1928	only	-	Apr	14	23:00s	1:00	S
+Rule	Spain	1929	only	-	Apr	20	23:00s	1:00	S
+# Whitman gives 1937 Jun 16, 1938 Apr 16, 1940 Apr 13;
+# go with Shanks & Pottenger.
+Rule	Spain	1937	only	-	May	22	23:00s	1:00	S
+Rule	Spain	1937	1939	-	Oct	Sat>=1	23:00s	0	-
+Rule	Spain	1938	only	-	Mar	22	23:00s	1:00	S
+Rule	Spain	1939	only	-	Apr	15	23:00s	1:00	S
+Rule	Spain	1940	only	-	Mar	16	23:00s	1:00	S
+# Whitman says no DST 1942-1945; go with Shanks & Pottenger.
+Rule	Spain	1942	only	-	May	 2	22:00s	2:00	M # Midsummer
+Rule	Spain	1942	only	-	Sep	 1	22:00s	1:00	S
+Rule	Spain	1943	1946	-	Apr	Sat>=13	22:00s	2:00	M
+Rule	Spain	1943	only	-	Oct	 3	22:00s	1:00	S
+Rule	Spain	1944	only	-	Oct	10	22:00s	1:00	S
+Rule	Spain	1945	only	-	Sep	30	 1:00	1:00	S
+Rule	Spain	1946	only	-	Sep	30	 0:00	0	-
+Rule	Spain	1949	only	-	Apr	30	23:00	1:00	S
+Rule	Spain	1949	only	-	Sep	30	 1:00	0	-
+Rule	Spain	1974	1975	-	Apr	Sat>=13	23:00	1:00	S
+Rule	Spain	1974	1975	-	Oct	Sun>=1	 1:00	0	-
+Rule	Spain	1976	only	-	Mar	27	23:00	1:00	S
+Rule	Spain	1976	1977	-	Sep	lastSun	 1:00	0	-
+Rule	Spain	1977	1978	-	Apr	 2	23:00	1:00	S
+Rule	Spain	1978	only	-	Oct	 1	 1:00	0	-
+# The following rules are copied from Morocco from 1967 through 1978.
+Rule SpainAfrica 1967	only	-	Jun	 3	12:00	1:00	S
+Rule SpainAfrica 1967	only	-	Oct	 1	 0:00	0	-
+Rule SpainAfrica 1974	only	-	Jun	24	 0:00	1:00	S
+Rule SpainAfrica 1974	only	-	Sep	 1	 0:00	0	-
+Rule SpainAfrica 1976	1977	-	May	 1	 0:00	1:00	S
+Rule SpainAfrica 1976	only	-	Aug	 1	 0:00	0	-
+Rule SpainAfrica 1977	only	-	Sep	28	 0:00	0	-
+Rule SpainAfrica 1978	only	-	Jun	 1	 0:00	1:00	S
+Rule SpainAfrica 1978	only	-	Aug	 4	 0:00	0	-
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Europe/Madrid	-0:14:44 -	LMT	1901 Jan  1  0:00s
+			 0:00	Spain	WE%sT	1946 Sep 30
+			 1:00	Spain	CE%sT	1979
+			 1:00	EU	CE%sT
+Zone	Africa/Ceuta	-0:21:16 -	LMT	1901
+			 0:00	-	WET	1918 May  6 23:00
+			 0:00	1:00	WEST	1918 Oct  7 23:00
+			 0:00	-	WET	1924
+			 0:00	Spain	WE%sT	1929
+			 0:00 SpainAfrica WE%sT 1984 Mar 16
+			 1:00	-	CET	1986
+			 1:00	EU	CE%sT
+Zone	Atlantic/Canary	-1:01:36 -	LMT	1922 Mar # Las Palmas de Gran C.
+			-1:00	-	CANT	1946 Sep 30 1:00 # Canaries Time
+			 0:00	-	WET	1980 Apr  6 0:00s
+			 0:00	1:00	WEST	1980 Sep 28 0:00s
+			 0:00	EU	WE%sT
+# IATA SSIM (1996-09) says the Canaries switch at 2:00u, not 1:00u.
+# Ignore this for now, as the Canaries are part of the EU.
+
+# Sweden
+
+# From Ivan Nilsson (2001-04-13), superseding Shanks & Pottenger:
+#
+# The law "Svensk forfattningssamling 1878, no 14" about standard time in 1879:
+# From the beginning of 1879 (that is 01-01 00:00) the time for all
+# places in the country is "the mean solar time for the meridian at
+# three degrees, or twelve minutes of time, to the west of the
+# meridian of the Observatory of Stockholm".  The law is dated 1878-05-31.
+#
+# The observatory at that time had the meridian 18 degrees 03' 30"
+# eastern longitude = 01:12:14 in time.  Less 12 minutes gives the
+# national standard time as 01:00:14 ahead of GMT....
+#
+# About the beginning of CET in Sweden. The lawtext ("Svensk
+# forfattningssamling 1899, no 44") states, that "from the beginning
+# of 1900... ... the same as the mean solar time for the meridian at
+# the distance of one hour of time from the meridian of the English
+# observatory at Greenwich, or at 12 minutes 14 seconds to the west
+# from the meridian of the Observatory of Stockholm". The law is dated
+# 1899-06-16.  In short: At 1900-01-01 00:00:00 the new standard time
+# in Sweden is 01:00:00 ahead of GMT.
+#
+# 1916: The lawtext ("Svensk forfattningssamling 1916, no 124") states
+# that "1916-05-15 is considered to begin one hour earlier". It is
+# pretty obvious that at 05-14 23:00 the clocks are set to 05-15 00:00....
+# Further the law says, that "1916-09-30 is considered to end one hour later".
+#
+# The laws regulating [DST] are available on the site of the Swedish
+# Parliament beginning with 1985 - the laws regulating 1980/1984 are
+# not available on the site (to my knowledge they are only available
+# in Swedish):  (type
+# "sommartid" without the quotes in the field "Fritext" and then click
+# the Sok-button).
+#
+# (2001-05-13):
+#
+# I have now found a newspaper stating that at 1916-10-01 01:00
+# summertime the church-clocks etc were set back one hour to show
+# 1916-10-01 00:00 standard time.  The article also reports that some
+# people thought the switch to standard time would take place already
+# at 1916-10-01 00:00 summer time, but they had to wait for another
+# hour before the event took place.
+#
+# Source: The newspaper "Dagens Nyheter", 1916-10-01, page 7 upper left.
+
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Europe/Stockholm	1:12:12 -	LMT	1879 Jan  1
+			1:00:14	-	SET	1900 Jan  1	# Swedish Time
+			1:00	-	CET	1916 May 14 23:00
+			1:00	1:00	CEST	1916 Oct  1 01:00
+			1:00	-	CET	1980
+			1:00	EU	CE%sT
+
+# Switzerland
+# From Howse:
+# By the end of the 18th century clocks and watches became commonplace
+# and their performance improved enormously.  Communities began to keep
+# mean time in preference to apparent time -- Geneva from 1780 ....
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# From Whitman (who writes ``Midnight?''):
+Rule	Swiss	1940	only	-	Nov	 2	0:00	1:00	S
+Rule	Swiss	1940	only	-	Dec	31	0:00	0	-
+# From Shanks & Pottenger:
+Rule	Swiss	1941	1942	-	May	Sun>=1	2:00	1:00	S
+Rule	Swiss	1941	1942	-	Oct	Sun>=1	0:00	0	-
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Europe/Zurich	0:34:08 -	LMT	1848 Sep 12
+			0:29:44	-	BMT	1894 Jun # Bern Mean Time
+			1:00	Swiss	CE%sT	1981
+			1:00	EU	CE%sT
+
+# Turkey
+
+# From Amar Devegowda (2007-01-03):
+# The time zone rules for Istanbul, Turkey have not been changed for years now.
+# ... The latest rules are available at -
+# http://www.timeanddate.com/worldclock/timezone.html?n=107
+# From Steffen Thorsen (2007-01-03):
+# I have been able to find press records back to 1996 which all say that
+# DST started 01:00 local time and end at 02:00 local time.  I am not sure
+# what happened before that.  One example for each year from 1996 to 2001:
+# http://newspot.byegm.gov.tr/arsiv/1996/21/N4.htm
+# http://www.byegm.gov.tr/YAYINLARIMIZ/CHR/ING97/03/97X03X25.TXT
+# http://www.byegm.gov.tr/YAYINLARIMIZ/CHR/ING98/03/98X03X02.HTM
+# http://www.byegm.gov.tr/YAYINLARIMIZ/CHR/ING99/10/99X10X26.HTM#%2016
+# http://www.byegm.gov.tr/YAYINLARIMIZ/CHR/ING2000/03/00X03X06.HTM#%2021
+# http://www.byegm.gov.tr/YAYINLARIMIZ/CHR/ING2001/03/23x03x01.HTM#%2027
+# From Paul Eggert (2007-01-03):
+# Prefer the above source to Shanks & Pottenger for time stamps after 1990.
+
+# From Steffen Thorsen (2007-03-09):
+# Starting 2007 though, it seems that they are adopting EU's 1:00 UTC
+# start/end time, according to the following page (2007-03-07):
+# http://www.ntvmsnbc.com/news/402029.asp
+# The official document is located here - it is in Turkish...:
+# http://rega.basbakanlik.gov.tr/eskiler/2007/03/20070307-7.htm
+# I was able to locate the following seemingly official document
+# (on a non-government server though) describing dates between 2002 and 2006:
+# http://www.alomaliye.com/bkk_2002_3769.htm
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Turkey	1916	only	-	May	 1	0:00	1:00	S
+Rule	Turkey	1916	only	-	Oct	 1	0:00	0	-
+Rule	Turkey	1920	only	-	Mar	28	0:00	1:00	S
+Rule	Turkey	1920	only	-	Oct	25	0:00	0	-
+Rule	Turkey	1921	only	-	Apr	 3	0:00	1:00	S
+Rule	Turkey	1921	only	-	Oct	 3	0:00	0	-
+Rule	Turkey	1922	only	-	Mar	26	0:00	1:00	S
+Rule	Turkey	1922	only	-	Oct	 8	0:00	0	-
+# Whitman gives 1923 Apr 28 - Sep 16 and no DST in 1924-1925;
+# go with Shanks & Pottenger.
+Rule	Turkey	1924	only	-	May	13	0:00	1:00	S
+Rule	Turkey	1924	1925	-	Oct	 1	0:00	0	-
+Rule	Turkey	1925	only	-	May	 1	0:00	1:00	S
+Rule	Turkey	1940	only	-	Jun	30	0:00	1:00	S
+Rule	Turkey	1940	only	-	Oct	 5	0:00	0	-
+Rule	Turkey	1940	only	-	Dec	 1	0:00	1:00	S
+Rule	Turkey	1941	only	-	Sep	21	0:00	0	-
+Rule	Turkey	1942	only	-	Apr	 1	0:00	1:00	S
+# Whitman omits the next two transition and gives 1945 Oct 1;
+# go with Shanks & Pottenger.
+Rule	Turkey	1942	only	-	Nov	 1	0:00	0	-
+Rule	Turkey	1945	only	-	Apr	 2	0:00	1:00	S
+Rule	Turkey	1945	only	-	Oct	 8	0:00	0	-
+Rule	Turkey	1946	only	-	Jun	 1	0:00	1:00	S
+Rule	Turkey	1946	only	-	Oct	 1	0:00	0	-
+Rule	Turkey	1947	1948	-	Apr	Sun>=16	0:00	1:00	S
+Rule	Turkey	1947	1950	-	Oct	Sun>=2	0:00	0	-
+Rule	Turkey	1949	only	-	Apr	10	0:00	1:00	S
+Rule	Turkey	1950	only	-	Apr	19	0:00	1:00	S
+Rule	Turkey	1951	only	-	Apr	22	0:00	1:00	S
+Rule	Turkey	1951	only	-	Oct	 8	0:00	0	-
+Rule	Turkey	1962	only	-	Jul	15	0:00	1:00	S
+Rule	Turkey	1962	only	-	Oct	 8	0:00	0	-
+Rule	Turkey	1964	only	-	May	15	0:00	1:00	S
+Rule	Turkey	1964	only	-	Oct	 1	0:00	0	-
+Rule	Turkey	1970	1972	-	May	Sun>=2	0:00	1:00	S
+Rule	Turkey	1970	1972	-	Oct	Sun>=2	0:00	0	-
+Rule	Turkey	1973	only	-	Jun	 3	1:00	1:00	S
+Rule	Turkey	1973	only	-	Nov	 4	3:00	0	-
+Rule	Turkey	1974	only	-	Mar	31	2:00	1:00	S
+Rule	Turkey	1974	only	-	Nov	 3	5:00	0	-
+Rule	Turkey	1975	only	-	Mar	30	0:00	1:00	S
+Rule	Turkey	1975	1976	-	Oct	lastSun	0:00	0	-
+Rule	Turkey	1976	only	-	Jun	 1	0:00	1:00	S
+Rule	Turkey	1977	1978	-	Apr	Sun>=1	0:00	1:00	S
+Rule	Turkey	1977	only	-	Oct	16	0:00	0	-
+Rule	Turkey	1979	1980	-	Apr	Sun>=1	3:00	1:00	S
+Rule	Turkey	1979	1982	-	Oct	Mon>=11	0:00	0	-
+Rule	Turkey	1981	1982	-	Mar	lastSun	3:00	1:00	S
+Rule	Turkey	1983	only	-	Jul	31	0:00	1:00	S
+Rule	Turkey	1983	only	-	Oct	 2	0:00	0	-
+Rule	Turkey	1985	only	-	Apr	20	0:00	1:00	S
+Rule	Turkey	1985	only	-	Sep	28	0:00	0	-
+Rule	Turkey	1986	1990	-	Mar	lastSun	2:00s	1:00	S
+Rule	Turkey	1986	1990	-	Sep	lastSun	2:00s	0	-
+Rule	Turkey	1991	2006	-	Mar	lastSun	1:00s	1:00	S
+Rule	Turkey	1991	1995	-	Sep	lastSun	1:00s	0	-
+Rule	Turkey	1996	2006	-	Oct	lastSun	1:00s	0	-
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	Europe/Istanbul	1:55:52 -	LMT	1880
+			1:56:56	-	IMT	1910 Oct # Istanbul Mean Time?
+			2:00	Turkey	EE%sT	1978 Oct 15
+			3:00	Turkey	TR%sT	1985 Apr 20 # Turkey Time
+			2:00	Turkey	EE%sT	2007
+			2:00	EU	EE%sT
+Link	Europe/Istanbul	Asia/Istanbul	# Istanbul is in both continents.
+
+# Ukraine
+#
+# From Igor Karpov, who works for the Ukranian Ministry of Justice,
+# via Garrett Wollman (2003-01-27):
+# BTW, I've found the official document on this matter. It's goverment
+# regulations number 509, May 13, 1996. In my poor translation it says:
+# "Time in Ukraine is set to second timezone (Kiev time). Each last Sunday
+# of March at 3am the time is changing to 4am and each last Sunday of
+# October the time at 4am is changing to 3am"
+
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Most of Ukraine since 1970 has been like Kiev.
+Zone Europe/Kiev	2:02:04 -	LMT	1880
+			2:02:04	-	KMT	1924 May  2 # Kiev Mean Time
+			2:00	-	EET	1930 Jun 21
+			3:00	-	MSK	1941 Sep 20
+			1:00	C-Eur	CE%sT	1943 Nov  6
+			3:00	Russia	MSK/MSD	1990
+			3:00	-	MSK	1990 Jul  1 2:00
+			2:00	-	EET	1992
+			2:00	E-Eur	EE%sT	1995
+			2:00	EU	EE%sT
+# Ruthenia used CET 1990/1991.
+Zone Europe/Uzhgorod	1:29:12 -	LMT	1890 Oct
+			1:00	-	CET	1940
+			1:00	C-Eur	CE%sT	1944 Oct
+			1:00	1:00	CEST	1944 Oct 26
+			1:00	-	CET	1945 Jun 29
+			3:00	Russia	MSK/MSD	1990
+			3:00	-	MSK	1990 Jul  1 2:00
+			1:00	-	CET	1991 Mar 31 3:00
+			2:00	-	EET	1992
+			2:00	E-Eur	EE%sT	1995
+			2:00	EU	EE%sT
+# Zaporozh'ye and eastern Lugansk oblasts observed DST 1990/1991.
+# Zaporozh'ye has an apostrophe, but Posix file names can't have apostrophes.
+Zone Europe/Zaporozhye	2:20:40 -	LMT	1880
+			2:20	-	CUT	1924 May  2 # Central Ukraine T
+			2:00	-	EET	1930 Jun 21
+			3:00	-	MSK	1941 Aug 25
+			1:00	C-Eur	CE%sT	1943 Oct 25
+			3:00	Russia	MSK/MSD	1991 Mar 31 2:00
+			2:00	E-Eur	EE%sT	1995
+			2:00	EU	EE%sT
+# Central Crimea used Moscow time 1994/1997.
+Zone Europe/Simferopol	2:16:24 -	LMT	1880
+			2:16	-	SMT	1924 May  2 # Simferopol Mean T
+			2:00	-	EET	1930 Jun 21
+			3:00	-	MSK	1941 Nov
+			1:00	C-Eur	CE%sT	1944 Apr 13
+			3:00	Russia	MSK/MSD	1990
+			3:00	-	MSK	1990 Jul  1 2:00
+			2:00	-	EET	1992
+# From Paul Eggert (2006-03-22):
+# The _Economist_ (1994-05-28, p 45) reports that central Crimea switched
+# from Kiev to Moscow time sometime after the January 1994 elections.
+# Shanks (1999) says ``date of change uncertain'', but implies that it happened
+# sometime between the 1994 DST switches.  Shanks & Pottenger simply say
+# 1994-09-25 03:00, but that can't be right.  For now, guess it
+# changed in May.
+			2:00	E-Eur	EE%sT	1994 May
+# From IATA SSIM (1994/1997), which also says that Kerch is still like Kiev.
+			3:00	E-Eur	MSK/MSD	1996 Mar 31 3:00s
+			3:00	1:00	MSD	1996 Oct 27 3:00s
+# IATA SSIM (1997-09) says Crimea switched to EET/EEST.
+# Assume it happened in March by not changing the clocks.
+			3:00	Russia	MSK/MSD	1997
+			3:00	-	MSK	1997 Mar lastSun 1:00u
+			2:00	EU	EE%sT
+
+###############################################################################
+
+# One source shows that Bulgaria, Cyprus, Finland, and Greece observe DST from
+# the last Sunday in March to the last Sunday in September in 1986.
+# The source shows Romania changing a day later than everybody else.
+#
+# According to Bernard Sieloff's source, Poland is in the MET time zone but
+# uses the WE DST rules.  The Western USSR uses EET+1 and ME DST rules.
+# Bernard Sieloff's source claims Romania switches on the same day, but at
+# 00:00 standard time (i.e., 01:00 DST).  It also claims that Turkey
+# switches on the same day, but switches on at 01:00 standard time
+# and off at 00:00 standard time (i.e., 01:00 DST)
+
+# ...
+# Date: Wed, 28 Jan 87 16:56:27 -0100
+# From: Tom Hofmann
+# ...
+#
+# ...the European time rules are...standardized since 1981, when
+# most European coun[tr]ies started DST.  Before that year, only
+# a few countries (UK, France, Italy) had DST, each according
+# to own national rules.  In 1981, however, DST started on
+# 'Apr firstSun', and not on 'Mar lastSun' as in the following
+# years...
+# But also since 1981 there are some more national exceptions
+# than listed in 'europe': Switzerland, for example, joined DST
+# one year later, Denmark ended DST on 'Oct 1' instead of 'Sep
+# lastSun' in 1981---I don't know how they handle now.
+#
+# Finally, DST ist always from 'Apr 1' to 'Oct 1' in the
+# Soviet Union (as far as I know).
+#
+# Tom Hofmann, Scientific Computer Center, CIBA-GEIGY AG,
+# 4002 Basle, Switzerland
+# ...
+
+# ...
+# Date: Wed, 4 Feb 87 22:35:22 +0100
+# From: Dik T. Winter
+# ...
+#
+# The information from Tom Hofmann is (as far as I know) not entirely correct.
+# After a request from chongo at amdahl I tried to retrieve all information
+# about DST in Europe.  I was able to find all from about 1969.
+#
+# ...standardization on DST in Europe started in about 1977 with switches on
+# first Sunday in April and last Sunday in September...
+# In 1981 UK joined Europe insofar that
+# the starting day for both shifted to last Sunday in March.  And from 1982
+# the whole of Europe used DST, with switch dates April 1 and October 1 in
+# the Sov[i]et Union.  In 1985 the SU reverted to standard Europe[a]n switch
+# dates...
+#
+# It should also be remembered that time-zones are not constants; e.g.
+# Portugal switched in 1976 from MET (or CET) to WET with DST...
+# Note also that though there were rules for switch dates not
+# all countries abided to these dates, and many individual deviations
+# occurred, though not since 1982 I believe.  Another note: it is always
+# assumed that DST is 1 hour ahead of normal time, this need not be the
+# case; at least in the Netherlands there have been times when DST was 2 hours
+# in advance of normal time.
+#
+# ...
+# dik t. winter, cwi, amsterdam, nederland
+# ...
+
+# From Bob Devine (1988-01-28):
+# ...
+# Greece: Last Sunday in April to last Sunday in September (iffy on dates).
+# Since 1978.  Change at midnight.
+# ...
+# Monaco: has same DST as France.
+# ...
diff --git a/commands/zoneinfo/factory b/commands/zoneinfo/factory
new file mode 100644
index 000000000..946063c0d
--- /dev/null
+++ b/commands/zoneinfo/factory
@@ -0,0 +1,8 @@
+# @(#)factory	8.1
+
+# For companies who don't want to put time zone specification in
+# their installation procedures.  When users run date, they'll get the message.
+# Also useful for the "comp.sources" version.
+
+# Zone	NAME	GMTOFF	RULES	FORMAT
+Zone	Factory	0	- "Local time zone must be set--see zic manual page"
diff --git a/commands/zoneinfo/ialloc.c b/commands/zoneinfo/ialloc.c
new file mode 100644
index 000000000..36e0b8150
--- /dev/null
+++ b/commands/zoneinfo/ialloc.c
@@ -0,0 +1,99 @@
+#
+
+/*LINTLIBRARY*/
+
+#include "stdio.h"
+
+#ifndef lint
+#ifndef NOID
+static char	sccsid[] = "@(#)ialloc.c	7.14";
+#endif /* !NOID */
+#endif /* !lint */
+
+#ifndef alloc_t
+#define alloc_t	unsigned
+#endif /* !alloc_t */
+
+#ifdef MAL
+#define NULLMAL(x)	((x) == NULL || (x) == MAL)
+#else /* !MAL */
+#define NULLMAL(x)	((x) == NULL)
+#endif /* !MAL */
+
+extern char *	calloc();
+extern char *	malloc();
+extern char *	realloc();
+extern char *	strcpy();
+
+char *
+imalloc(n)
+{
+#ifdef MAL
+	register char *	result;
+
+	if (n == 0)
+		n = 1;
+	result = malloc((alloc_t) n);
+	return (result == MAL) ? NULL : result;
+#else /* !MAL */
+	if (n == 0)
+		n = 1;
+	return malloc((alloc_t) n);
+#endif /* !MAL */
+}
+
+char *
+icalloc(nelem, elsize)
+{
+	if (nelem == 0 || elsize == 0)
+		nelem = elsize = 1;
+	return calloc((alloc_t) nelem, (alloc_t) elsize);
+}
+
+char *
+irealloc(pointer, size)
+char *	pointer;
+{
+	if (NULLMAL(pointer))
+		return imalloc(size);
+	if (size == 0)
+		size = 1;
+	return realloc(pointer, (alloc_t) size);
+}
+
+char *
+icatalloc(old, new)
+char *	old;
+char *	new;
+{
+	register char *	result;
+	register	oldsize, newsize;
+
+	oldsize = NULLMAL(old) ? 0 : strlen(old);
+	newsize = NULLMAL(new) ? 0 : strlen(new);
+	if ((result = irealloc(old, oldsize + newsize + 1)) != NULL)
+		if (!NULLMAL(new))
+			(void) strcpy(result + oldsize, new);
+	return result;
+}
+
+char *
+icpyalloc(string)
+char *	string;
+{
+	return icatalloc((char *) NULL, string);
+}
+
+ifree(p)
+char *	p;
+{
+	if (!NULLMAL(p))
+		free(p);
+}
+
+icfree(p)
+char *	p;
+{
+	if (!NULLMAL(p))
+		free(p);
+}
diff --git a/commands/zoneinfo/iso3166.tab b/commands/zoneinfo/iso3166.tab
new file mode 100644
index 000000000..0e985e95b
--- /dev/null
+++ b/commands/zoneinfo/iso3166.tab
@@ -0,0 +1,267 @@
+# ISO 3166 alpha-2 country codes
+#
+# @(#)iso3166.tab	8.4
+#
+# From Paul Eggert (2006-09-27):
+#
+# This file contains a table with the following columns:
+# 1.  ISO 3166-1 alpha-2 country code, current as of
+#     ISO 3166-1 Newsletter No. V-12 (2006-09-26).  See:
+#     
+#     ISO 3166 Maintenance agency (ISO 3166/MA)
+#     .
+# 2.  The usual English name for the country,
+#     chosen so that alphabetic sorting of subsets produces helpful lists.
+#     This is not the same as the English name in the ISO 3166 tables.
+#
+# Columns are separated by a single tab.
+# The table is sorted by country code.
+#
+# Lines beginning with `#' are comments.
+#
+#country-
+#code	country name
+AD	Andorra
+AE	United Arab Emirates
+AF	Afghanistan
+AG	Antigua & Barbuda
+AI	Anguilla
+AL	Albania
+AM	Armenia
+AN	Netherlands Antilles
+AO	Angola
+AQ	Antarctica
+AR	Argentina
+AS	Samoa (American)
+AT	Austria
+AU	Australia
+AW	Aruba
+AX	Aaland Islands
+AZ	Azerbaijan
+BA	Bosnia & Herzegovina
+BB	Barbados
+BD	Bangladesh
+BE	Belgium
+BF	Burkina Faso
+BG	Bulgaria
+BH	Bahrain
+BI	Burundi
+BJ	Benin
+BM	Bermuda
+BN	Brunei
+BO	Bolivia
+BR	Brazil
+BS	Bahamas
+BT	Bhutan
+BV	Bouvet Island
+BW	Botswana
+BY	Belarus
+BZ	Belize
+CA	Canada
+CC	Cocos (Keeling) Islands
+CD	Congo (Dem. Rep.)
+CF	Central African Rep.
+CG	Congo (Rep.)
+CH	Switzerland
+CI	Cote d'Ivoire
+CK	Cook Islands
+CL	Chile
+CM	Cameroon
+CN	China
+CO	Colombia
+CR	Costa Rica
+CU	Cuba
+CV	Cape Verde
+CX	Christmas Island
+CY	Cyprus
+CZ	Czech Republic
+DE	Germany
+DJ	Djibouti
+DK	Denmark
+DM	Dominica
+DO	Dominican Republic
+DZ	Algeria
+EC	Ecuador
+EE	Estonia
+EG	Egypt
+EH	Western Sahara
+ER	Eritrea
+ES	Spain
+ET	Ethiopia
+FI	Finland
+FJ	Fiji
+FK	Falkland Islands
+FM	Micronesia
+FO	Faroe Islands
+FR	France
+GA	Gabon
+GB	Britain (UK)
+GD	Grenada
+GE	Georgia
+GF	French Guiana
+GG	Guernsey
+GH	Ghana
+GI	Gibraltar
+GL	Greenland
+GM	Gambia
+GN	Guinea
+GP	Guadeloupe
+GQ	Equatorial Guinea
+GR	Greece
+GS	South Georgia & the South Sandwich Islands
+GT	Guatemala
+GU	Guam
+GW	Guinea-Bissau
+GY	Guyana
+HK	Hong Kong
+HM	Heard Island & McDonald Islands
+HN	Honduras
+HR	Croatia
+HT	Haiti
+HU	Hungary
+ID	Indonesia
+IE	Ireland
+IL	Israel
+IM	Isle of Man
+IN	India
+IO	British Indian Ocean Territory
+IQ	Iraq
+IR	Iran
+IS	Iceland
+IT	Italy
+JE	Jersey
+JM	Jamaica
+JO	Jordan
+JP	Japan
+KE	Kenya
+KG	Kyrgyzstan
+KH	Cambodia
+KI	Kiribati
+KM	Comoros
+KN	St Kitts & Nevis
+KP	Korea (North)
+KR	Korea (South)
+KW	Kuwait
+KY	Cayman Islands
+KZ	Kazakhstan
+LA	Laos
+LB	Lebanon
+LC	St Lucia
+LI	Liechtenstein
+LK	Sri Lanka
+LR	Liberia
+LS	Lesotho
+LT	Lithuania
+LU	Luxembourg
+LV	Latvia
+LY	Libya
+MA	Morocco
+MC	Monaco
+MD	Moldova
+ME	Montenegro
+MG	Madagascar
+MH	Marshall Islands
+MK	Macedonia
+ML	Mali
+MM	Myanmar (Burma)
+MN	Mongolia
+MO	Macau
+MP	Northern Mariana Islands
+MQ	Martinique
+MR	Mauritania
+MS	Montserrat
+MT	Malta
+MU	Mauritius
+MV	Maldives
+MW	Malawi
+MX	Mexico
+MY	Malaysia
+MZ	Mozambique
+NA	Namibia
+NC	New Caledonia
+NE	Niger
+NF	Norfolk Island
+NG	Nigeria
+NI	Nicaragua
+NL	Netherlands
+NO	Norway
+NP	Nepal
+NR	Nauru
+NU	Niue
+NZ	New Zealand
+OM	Oman
+PA	Panama
+PE	Peru
+PF	French Polynesia
+PG	Papua New Guinea
+PH	Philippines
+PK	Pakistan
+PL	Poland
+PM	St Pierre & Miquelon
+PN	Pitcairn
+PR	Puerto Rico
+PS	Palestine
+PT	Portugal
+PW	Palau
+PY	Paraguay
+QA	Qatar
+RE	Reunion
+RO	Romania
+RS	Serbia
+RU	Russia
+RW	Rwanda
+SA	Saudi Arabia
+SB	Solomon Islands
+SC	Seychelles
+SD	Sudan
+SE	Sweden
+SG	Singapore
+SH	St Helena
+SI	Slovenia
+SJ	Svalbard & Jan Mayen
+SK	Slovakia
+SL	Sierra Leone
+SM	San Marino
+SN	Senegal
+SO	Somalia
+SR	Suriname
+ST	Sao Tome & Principe
+SV	El Salvador
+SY	Syria
+SZ	Swaziland
+TC	Turks & Caicos Is
+TD	Chad
+TF	French Southern & Antarctic Lands
+TG	Togo
+TH	Thailand
+TJ	Tajikistan
+TK	Tokelau
+TL	East Timor
+TM	Turkmenistan
+TN	Tunisia
+TO	Tonga
+TR	Turkey
+TT	Trinidad & Tobago
+TV	Tuvalu
+TW	Taiwan
+TZ	Tanzania
+UA	Ukraine
+UG	Uganda
+UM	US minor outlying islands
+US	United States
+UY	Uruguay
+UZ	Uzbekistan
+VA	Vatican City
+VC	St Vincent
+VE	Venezuela
+VG	Virgin Islands (UK)
+VI	Virgin Islands (US)
+VN	Vietnam
+VU	Vanuatu
+WF	Wallis & Futuna
+WS	Samoa (western)
+YE	Yemen
+YT	Mayotte
+ZA	South Africa
+ZM	Zambia
+ZW	Zimbabwe
diff --git a/commands/zoneinfo/itca.jpg b/commands/zoneinfo/itca.jpg
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diff --git a/commands/zoneinfo/leapseconds b/commands/zoneinfo/leapseconds
new file mode 100644
index 000000000..6b9903778
--- /dev/null
+++ b/commands/zoneinfo/leapseconds
@@ -0,0 +1,82 @@
+# @(#)leapseconds	8.3
+
+# Allowance for leapseconds added to each timezone file.
+
+# The International Earth Rotation Service periodically uses leap seconds
+# to keep UTC to within 0.9 s of UT1
+# (which measures the true angular orientation of the earth in space); see
+# Terry J Quinn, The BIPM and the accurate measure of time,
+# Proc IEEE 79, 7 (July 1991), 894-905.
+# There were no leap seconds before 1972, because the official mechanism
+# accounting for the discrepancy between atomic time and the earth's rotation
+# did not exist until the early 1970s.
+
+# The correction (+ or -) is made at the given time, so lines
+# will typically look like:
+#	Leap	YEAR	MON	DAY	23:59:60	+	R/S
+# or
+#	Leap	YEAR	MON	DAY	23:59:59	-	R/S
+
+# If the leapsecond is Rolling (R) the given time is local time
+# If the leapsecond is Stationary (S) the given time is UTC
+
+# Leap	YEAR	MONTH	DAY	HH:MM:SS	CORR	R/S
+Leap	1972	Jun	30	23:59:60	+	S
+Leap	1972	Dec	31	23:59:60	+	S
+Leap	1973	Dec	31	23:59:60	+	S
+Leap	1974	Dec	31	23:59:60	+	S
+Leap	1975	Dec	31	23:59:60	+	S
+Leap	1976	Dec	31	23:59:60	+	S
+Leap	1977	Dec	31	23:59:60	+	S
+Leap	1978	Dec	31	23:59:60	+	S
+Leap	1979	Dec	31	23:59:60	+	S
+Leap	1981	Jun	30	23:59:60	+	S
+Leap	1982	Jun	30	23:59:60	+	S
+Leap	1983	Jun	30	23:59:60	+	S
+Leap	1985	Jun	30	23:59:60	+	S
+Leap	1987	Dec	31	23:59:60	+	S
+Leap	1989	Dec	31	23:59:60	+	S
+Leap	1990	Dec	31	23:59:60	+	S
+Leap	1992	Jun	30	23:59:60	+	S
+Leap	1993	Jun	30	23:59:60	+	S
+Leap	1994	Jun	30	23:59:60	+	S
+Leap	1995	Dec	31	23:59:60	+	S
+Leap	1997	Jun	30	23:59:60	+	S
+Leap	1998	Dec	31	23:59:60	+	S
+Leap	2005	Dec	31	23:59:60	+	S
+
+# ...
+# Sent: Thursday, February 01, 2007 9:49 AM
+# ...
+# Subject: Bulletin C number 33
+#
+# 	INTERNATIONAL EARTH ROTATION AND REFERENCE SYSTEMS SERVICE (IERS)
+#
+# SERVICE INTERNATIONAL DE LA ROTATION TERRESTRE ET DES SYSTEMES DE REFERENCE
+#
+# SERVICE DE LA ROTATION TERRESTRE
+# OBSERVATOIRE DE PARIS
+# 61, Av. de l'Observatoire 75014 PARIS (France)
+# ...
+#
+#                                                Paris, 1 February 2007
+#                                                Bulletin C 33
+#                                                To authorities responsible
+#                                                for the measurement and
+#                                                distribution of time
+#
+#                           INFORMATION ON UTC - TAI
+#
+# NO positive leap second will be introduced at the end of June 2007.
+# The difference between Coordinated Universal Time UTC and the
+# International Atomic Time TAI is:
+#      from 2006 January 1, 0h UTC, until further notice : UTC-TAI = -33 s
+# Leap seconds can be introduced in UTC at the end of the months of
+# December  or June,  depending on the evolution of UT1-TAI. Bulletin C is
+# mailed every  six months, either to announce a time step in UTC, or to
+# confirm that there  will be no time step at the next possible date.
+#
+# 				Daniel GAMBIS
+# 				Director
+# 				Earth Orientation Center of IERS
+# 				Observatoire de Paris, France
diff --git a/commands/zoneinfo/localtime.c b/commands/zoneinfo/localtime.c
new file mode 100644
index 000000000..023ca22ba
--- /dev/null
+++ b/commands/zoneinfo/localtime.c
@@ -0,0 +1,1914 @@
+/*
+** This file is in the public domain, so clarified as of
+** 1996-06-05 by Arthur David Olson.
+*/
+
+#ifndef lint
+#ifndef NOID
+static char	elsieid[] = "@(#)localtime.c	7.99";
+#endif /* !defined NOID */
+#endif /* !defined lint */
+
+/*
+** Leap second handling from Bradley White.
+** POSIX-style TZ environment variable handling from Guy Harris.
+*/
+
+/*LINTLIBRARY*/
+
+#include "private.h"
+#include "tzfile.h"
+#include "fcntl.h"
+#include "float.h"	/* for FLT_MAX and DBL_MAX */
+
+#ifndef TZ_ABBR_MAX_LEN
+#define TZ_ABBR_MAX_LEN	16
+#endif /* !defined TZ_ABBR_MAX_LEN */
+
+#ifndef TZ_ABBR_CHAR_SET
+#define TZ_ABBR_CHAR_SET \
+	"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789 :+-._"
+#endif /* !defined TZ_ABBR_CHAR_SET */
+
+#ifndef TZ_ABBR_ERR_CHAR
+#define TZ_ABBR_ERR_CHAR	'_'
+#endif /* !defined TZ_ABBR_ERR_CHAR */
+
+/*
+** SunOS 4.1.1 headers lack O_BINARY.
+*/
+
+#ifdef O_BINARY
+#define OPEN_MODE	(O_RDONLY | O_BINARY)
+#endif /* defined O_BINARY */
+#ifndef O_BINARY
+#define OPEN_MODE	O_RDONLY
+#endif /* !defined O_BINARY */
+
+#ifndef WILDABBR
+/*
+** Someone might make incorrect use of a time zone abbreviation:
+**	1.	They might reference tzname[0] before calling tzset (explicitly
+**		or implicitly).
+**	2.	They might reference tzname[1] before calling tzset (explicitly
+**		or implicitly).
+**	3.	They might reference tzname[1] after setting to a time zone
+**		in which Daylight Saving Time is never observed.
+**	4.	They might reference tzname[0] after setting to a time zone
+**		in which Standard Time is never observed.
+**	5.	They might reference tm.TM_ZONE after calling offtime.
+** What's best to do in the above cases is open to debate;
+** for now, we just set things up so that in any of the five cases
+** WILDABBR is used. Another possibility: initialize tzname[0] to the
+** string "tzname[0] used before set", and similarly for the other cases.
+** And another: initialize tzname[0] to "ERA", with an explanation in the
+** manual page of what this "time zone abbreviation" means (doing this so
+** that tzname[0] has the "normal" length of three characters).
+*/
+#define WILDABBR	"   "
+#endif /* !defined WILDABBR */
+
+static char		wildabbr[] = WILDABBR;
+
+static const char	gmt[] = "GMT";
+
+/*
+** The DST rules to use if TZ has no rules and we can't load TZDEFRULES.
+** We default to US rules as of 1999-08-17.
+** POSIX 1003.1 section 8.1.1 says that the default DST rules are
+** implementation dependent; for historical reasons, US rules are a
+** common default.
+*/
+#ifndef TZDEFRULESTRING
+#define TZDEFRULESTRING ",M4.1.0,M10.5.0"
+#endif /* !defined TZDEFDST */
+
+struct ttinfo {				/* time type information */
+	long		tt_gmtoff;	/* UTC offset in seconds */
+	int		tt_isdst;	/* used to set tm_isdst */
+	int		tt_abbrind;	/* abbreviation list index */
+	int		tt_ttisstd;	/* TRUE if transition is std time */
+	int		tt_ttisgmt;	/* TRUE if transition is UTC */
+};
+
+struct lsinfo {				/* leap second information */
+	time_t		ls_trans;	/* transition time */
+	long		ls_corr;	/* correction to apply */
+};
+
+#define BIGGEST(a, b)	(((a) > (b)) ? (a) : (b))
+
+#ifdef TZNAME_MAX
+#define MY_TZNAME_MAX	TZNAME_MAX
+#endif /* defined TZNAME_MAX */
+#ifndef TZNAME_MAX
+#define MY_TZNAME_MAX	255
+#endif /* !defined TZNAME_MAX */
+
+struct state {
+	int		leapcnt;
+	int		timecnt;
+	int		typecnt;
+	int		charcnt;
+	time_t		ats[TZ_MAX_TIMES];
+	unsigned char	types[TZ_MAX_TIMES];
+	struct ttinfo	ttis[TZ_MAX_TYPES];
+	char		chars[BIGGEST(BIGGEST(TZ_MAX_CHARS + 1, sizeof gmt),
+				(2 * (MY_TZNAME_MAX + 1)))];
+	struct lsinfo	lsis[TZ_MAX_LEAPS];
+};
+
+struct rule {
+	int		r_type;		/* type of rule--see below */
+	int		r_day;		/* day number of rule */
+	int		r_week;		/* week number of rule */
+	int		r_mon;		/* month number of rule */
+	long		r_time;		/* transition time of rule */
+};
+
+#define JULIAN_DAY		0	/* Jn - Julian day */
+#define DAY_OF_YEAR		1	/* n - day of year */
+#define MONTH_NTH_DAY_OF_WEEK	2	/* Mm.n.d - month, week, day of week */
+
+/*
+** Prototypes for static functions.
+*/
+
+static long		detzcode P((const char * codep));
+static const char *	getzname P((const char * strp));
+static const char *	getqzname P((const char * strp, const char delim));
+static const char *	getnum P((const char * strp, int * nump, int min,
+				int max));
+static const char *	getsecs P((const char * strp, long * secsp));
+static const char *	getoffset P((const char * strp, long * offsetp));
+static const char *	getrule P((const char * strp, struct rule * rulep));
+static void		gmtload P((struct state * sp));
+static struct tm *	gmtsub P((const time_t * timep, long offset,
+				struct tm * tmp));
+static struct tm *	localsub P((const time_t * timep, long offset,
+				struct tm * tmp));
+static int		increment_overflow P((int * number, int delta));
+static int		leaps_thru_end_of P((int y));
+static int		long_increment_overflow P((long * number, int delta));
+static int		long_normalize_overflow P((long * tensptr,
+				int * unitsptr, int base));
+static int		normalize_overflow P((int * tensptr, int * unitsptr,
+				int base));
+static void		settzname P((void));
+static time_t		time1 P((struct tm * tmp,
+				struct tm * (*funcp) P((const time_t *,
+				long, struct tm *)),
+				long offset));
+static time_t		time2 P((struct tm *tmp,
+				struct tm * (*funcp) P((const time_t *,
+				long, struct tm*)),
+				long offset, int * okayp));
+static time_t		time2sub P((struct tm *tmp,
+				struct tm * (*funcp) P((const time_t *,
+				long, struct tm*)),
+				long offset, int * okayp, int do_norm_secs));
+static struct tm *	timesub P((const time_t * timep, long offset,
+				const struct state * sp, struct tm * tmp));
+static int		tmcomp P((const struct tm * atmp,
+				const struct tm * btmp));
+static time_t		transtime P((time_t janfirst, int year,
+				const struct rule * rulep, long offset));
+static int		tzload P((const char * name, struct state * sp));
+static int		tzparse P((const char * name, struct state * sp,
+				int lastditch));
+
+#ifdef ALL_STATE
+static struct state *	lclptr;
+static struct state *	gmtptr;
+#endif /* defined ALL_STATE */
+
+#ifndef ALL_STATE
+static struct state	lclmem;
+static struct state	gmtmem;
+#define lclptr		(&lclmem)
+#define gmtptr		(&gmtmem)
+#endif /* State Farm */
+
+#ifndef TZ_STRLEN_MAX
+#define TZ_STRLEN_MAX 255
+#endif /* !defined TZ_STRLEN_MAX */
+
+static char		lcl_TZname[TZ_STRLEN_MAX + 1];
+static int		lcl_is_set;
+static int		gmt_is_set;
+
+char *			tzname[2] = {
+	wildabbr,
+	wildabbr
+};
+
+/*
+** Section 4.12.3 of X3.159-1989 requires that
+**	Except for the strftime function, these functions [asctime,
+**	ctime, gmtime, localtime] return values in one of two static
+**	objects: a broken-down time structure and an array of char.
+** Thanks to Paul Eggert for noting this.
+*/
+
+static struct tm	tm;
+
+#ifdef USG_COMPAT
+time_t			timezone = 0;
+int			daylight = 0;
+#endif /* defined USG_COMPAT */
+
+#ifdef ALTZONE
+time_t			altzone = 0;
+#endif /* defined ALTZONE */
+
+static long
+detzcode(codep)
+const char * const	codep;
+{
+	register long	result;
+	register int	i;
+
+	result = (codep[0] & 0x80) ? ~0L : 0L;
+	for (i = 0; i < 4; ++i)
+		result = (result << 8) | (codep[i] & 0xff);
+	return result;
+}
+
+static void
+settzname P((void))
+{
+	register struct state * const	sp = lclptr;
+	register int			i;
+
+	tzname[0] = wildabbr;
+	tzname[1] = wildabbr;
+#ifdef USG_COMPAT
+	daylight = 0;
+	timezone = 0;
+#endif /* defined USG_COMPAT */
+#ifdef ALTZONE
+	altzone = 0;
+#endif /* defined ALTZONE */
+#ifdef ALL_STATE
+	if (sp == NULL) {
+		tzname[0] = tzname[1] = gmt;
+		return;
+	}
+#endif /* defined ALL_STATE */
+	for (i = 0; i < sp->typecnt; ++i) {
+		register const struct ttinfo * const	ttisp = &sp->ttis[i];
+
+		tzname[ttisp->tt_isdst] =
+			&sp->chars[ttisp->tt_abbrind];
+#ifdef USG_COMPAT
+		if (ttisp->tt_isdst)
+			daylight = 1;
+		if (i == 0 || !ttisp->tt_isdst)
+			timezone = -(ttisp->tt_gmtoff);
+#endif /* defined USG_COMPAT */
+#ifdef ALTZONE
+		if (i == 0 || ttisp->tt_isdst)
+			altzone = -(ttisp->tt_gmtoff);
+#endif /* defined ALTZONE */
+	}
+	/*
+	** And to get the latest zone names into tzname. . .
+	*/
+	for (i = 0; i < sp->timecnt; ++i) {
+		register const struct ttinfo * const	ttisp =
+							&sp->ttis[
+								sp->types[i]];
+
+		tzname[ttisp->tt_isdst] =
+			&sp->chars[ttisp->tt_abbrind];
+	}
+	/*
+	** Finally, scrub the abbreviations.
+	** First, replace bogus characters.
+	*/
+	for (i = 0; i < sp->charcnt; ++i)
+		if (strchr(TZ_ABBR_CHAR_SET, sp->chars[i]) == NULL)
+			sp->chars[i] = TZ_ABBR_ERR_CHAR;
+	/*
+	** Second, truncate long abbreviations.
+	*/
+	for (i = 0; i < sp->typecnt; ++i) {
+		register const struct ttinfo * const	ttisp = &sp->ttis[i];
+		register char *				cp = &sp->chars[ttisp->tt_abbrind];
+
+		if (strlen(cp) > TZ_ABBR_MAX_LEN &&
+			strcmp(cp, GRANDPARENTED) != 0)
+				*(cp + TZ_ABBR_MAX_LEN) = '\0';
+	}
+}
+
+static int
+tzload(name, sp)
+register const char *		name;
+register struct state * const	sp;
+{
+	register const char *	p;
+	register int		i;
+	register int		fid;
+
+	if (name == NULL && (name = TZDEFAULT) == NULL)
+		return -1;
+	{
+		register int	doaccess;
+		/*
+		** Section 4.9.1 of the C standard says that
+		** "FILENAME_MAX expands to an integral constant expression
+		** that is the size needed for an array of char large enough
+		** to hold the longest file name string that the implementation
+		** guarantees can be opened."
+		*/
+		char		fullname[FILENAME_MAX + 1];
+
+		if (name[0] == ':')
+			++name;
+		doaccess = name[0] == '/';
+		if (!doaccess) {
+			if ((p = TZDIR) == NULL)
+				return -1;
+			if ((strlen(p) + strlen(name) + 1) >= sizeof fullname)
+				return -1;
+			(void) strcpy(fullname, p);
+			(void) strcat(fullname, "/");
+			(void) strcat(fullname, name);
+			/*
+			** Set doaccess if '.' (as in "../") shows up in name.
+			*/
+			if (strchr(name, '.') != NULL)
+				doaccess = TRUE;
+			name = fullname;
+		}
+		if (doaccess && access(name, R_OK) != 0)
+			return -1;
+		if ((fid = open(name, OPEN_MODE)) == -1)
+			return -1;
+	}
+	{
+		struct tzhead *	tzhp;
+		union {
+			struct tzhead	tzhead;
+			char		buf[sizeof *sp + sizeof *tzhp];
+		} u;
+		int		ttisstdcnt;
+		int		ttisgmtcnt;
+
+		i = read(fid, u.buf, sizeof u.buf);
+		if (close(fid) != 0)
+			return -1;
+		ttisstdcnt = (int) detzcode(u.tzhead.tzh_ttisstdcnt);
+		ttisgmtcnt = (int) detzcode(u.tzhead.tzh_ttisgmtcnt);
+		sp->leapcnt = (int) detzcode(u.tzhead.tzh_leapcnt);
+		sp->timecnt = (int) detzcode(u.tzhead.tzh_timecnt);
+		sp->typecnt = (int) detzcode(u.tzhead.tzh_typecnt);
+		sp->charcnt = (int) detzcode(u.tzhead.tzh_charcnt);
+		p = u.tzhead.tzh_charcnt + sizeof u.tzhead.tzh_charcnt;
+		if (sp->leapcnt < 0 || sp->leapcnt > TZ_MAX_LEAPS ||
+			sp->typecnt <= 0 || sp->typecnt > TZ_MAX_TYPES ||
+			sp->timecnt < 0 || sp->timecnt > TZ_MAX_TIMES ||
+			sp->charcnt < 0 || sp->charcnt > TZ_MAX_CHARS ||
+			(ttisstdcnt != sp->typecnt && ttisstdcnt != 0) ||
+			(ttisgmtcnt != sp->typecnt && ttisgmtcnt != 0))
+				return -1;
+		if (i - (p - u.buf) < sp->timecnt * 4 +	/* ats */
+			sp->timecnt +			/* types */
+			sp->typecnt * (4 + 2) +		/* ttinfos */
+			sp->charcnt +			/* chars */
+			sp->leapcnt * (4 + 4) +		/* lsinfos */
+			ttisstdcnt +			/* ttisstds */
+			ttisgmtcnt)			/* ttisgmts */
+				return -1;
+		for (i = 0; i < sp->timecnt; ++i) {
+			sp->ats[i] = detzcode(p);
+			p += 4;
+		}
+		for (i = 0; i < sp->timecnt; ++i) {
+			sp->types[i] = (unsigned char) *p++;
+			if (sp->types[i] >= sp->typecnt)
+				return -1;
+		}
+		for (i = 0; i < sp->typecnt; ++i) {
+			register struct ttinfo *	ttisp;
+
+			ttisp = &sp->ttis[i];
+			ttisp->tt_gmtoff = detzcode(p);
+			p += 4;
+			ttisp->tt_isdst = (unsigned char) *p++;
+			if (ttisp->tt_isdst != 0 && ttisp->tt_isdst != 1)
+				return -1;
+			ttisp->tt_abbrind = (unsigned char) *p++;
+			if (ttisp->tt_abbrind < 0 ||
+				ttisp->tt_abbrind > sp->charcnt)
+					return -1;
+		}
+		for (i = 0; i < sp->charcnt; ++i)
+			sp->chars[i] = *p++;
+		sp->chars[i] = '\0';	/* ensure '\0' at end */
+		for (i = 0; i < sp->leapcnt; ++i) {
+			register struct lsinfo *	lsisp;
+
+			lsisp = &sp->lsis[i];
+			lsisp->ls_trans = detzcode(p);
+			p += 4;
+			lsisp->ls_corr = detzcode(p);
+			p += 4;
+		}
+		for (i = 0; i < sp->typecnt; ++i) {
+			register struct ttinfo *	ttisp;
+
+			ttisp = &sp->ttis[i];
+			if (ttisstdcnt == 0)
+				ttisp->tt_ttisstd = FALSE;
+			else {
+				ttisp->tt_ttisstd = *p++;
+				if (ttisp->tt_ttisstd != TRUE &&
+					ttisp->tt_ttisstd != FALSE)
+						return -1;
+			}
+		}
+		for (i = 0; i < sp->typecnt; ++i) {
+			register struct ttinfo *	ttisp;
+
+			ttisp = &sp->ttis[i];
+			if (ttisgmtcnt == 0)
+				ttisp->tt_ttisgmt = FALSE;
+			else {
+				ttisp->tt_ttisgmt = *p++;
+				if (ttisp->tt_ttisgmt != TRUE &&
+					ttisp->tt_ttisgmt != FALSE)
+						return -1;
+			}
+		}
+		/*
+		** Out-of-sort ats should mean we're running on a
+		** signed time_t system but using a data file with
+		** unsigned values (or vice versa).
+		*/
+		for (i = 0; i < sp->timecnt - 2; ++i)
+			if (sp->ats[i] > sp->ats[i + 1]) {
+				++i;
+				if (TYPE_SIGNED(time_t)) {
+					/*
+					** Ignore the end (easy).
+					*/
+					sp->timecnt = i;
+				} else {
+					/*
+					** Ignore the beginning (harder).
+					*/
+					register int	j;
+
+					for (j = 0; j + i < sp->timecnt; ++j) {
+						sp->ats[j] = sp->ats[j + i];
+						sp->types[j] = sp->types[j + i];
+					}
+					sp->timecnt = j;
+				}
+				break;
+			}
+	}
+	return 0;
+}
+
+static const int	mon_lengths[2][MONSPERYEAR] = {
+	{ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 },
+	{ 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }
+};
+
+static const int	year_lengths[2] = {
+	DAYSPERNYEAR, DAYSPERLYEAR
+};
+
+/*
+** Given a pointer into a time zone string, scan until a character that is not
+** a valid character in a zone name is found. Return a pointer to that
+** character.
+*/
+
+static const char *
+getzname(strp)
+register const char *	strp;
+{
+	register char	c;
+
+	while ((c = *strp) != '\0' && !is_digit(c) && c != ',' && c != '-' &&
+		c != '+')
+			++strp;
+	return strp;
+}
+
+/*
+** Given a pointer into an extended time zone string, scan until the ending
+** delimiter of the zone name is located.   Return a pointer to the delimiter.
+**
+** As with getzname above, the legal character set is actually quite
+** restricted, with other characters producing undefined results.
+** We choose not to care - allowing almost anything to be in the zone abbrev.
+*/
+
+static const char *
+#if __STDC__
+getqzname(register const char *strp, const char delim)
+#else /* !__STDC__ */
+getqzname(strp, delim)
+register const char *	strp;
+const char		delim;
+#endif /* !__STDC__ */
+{
+	register char	c;
+
+	while ((c = *strp) != '\0' && c != delim)
+		++strp;
+	return strp;
+}
+
+/*
+** Given a pointer into a time zone string, extract a number from that string.
+** Check that the number is within a specified range; if it is not, return
+** NULL.
+** Otherwise, return a pointer to the first character not part of the number.
+*/
+
+static const char *
+getnum(strp, nump, min, max)
+register const char *	strp;
+int * const		nump;
+const int		min;
+const int		max;
+{
+	register char	c;
+	register int	num;
+
+	if (strp == NULL || !is_digit(c = *strp))
+		return NULL;
+	num = 0;
+	do {
+		num = num * 10 + (c - '0');
+		if (num > max)
+			return NULL;	/* illegal value */
+		c = *++strp;
+	} while (is_digit(c));
+	if (num < min)
+		return NULL;		/* illegal value */
+	*nump = num;
+	return strp;
+}
+
+/*
+** Given a pointer into a time zone string, extract a number of seconds,
+** in hh[:mm[:ss]] form, from the string.
+** If any error occurs, return NULL.
+** Otherwise, return a pointer to the first character not part of the number
+** of seconds.
+*/
+
+static const char *
+getsecs(strp, secsp)
+register const char *	strp;
+long * const		secsp;
+{
+	int	num;
+
+	/*
+	** `HOURSPERDAY * DAYSPERWEEK - 1' allows quasi-Posix rules like
+	** "M10.4.6/26", which does not conform to Posix,
+	** but which specifies the equivalent of
+	** ``02:00 on the first Sunday on or after 23 Oct''.
+	*/
+	strp = getnum(strp, &num, 0, HOURSPERDAY * DAYSPERWEEK - 1);
+	if (strp == NULL)
+		return NULL;
+	*secsp = num * (long) SECSPERHOUR;
+	if (*strp == ':') {
+		++strp;
+		strp = getnum(strp, &num, 0, MINSPERHOUR - 1);
+		if (strp == NULL)
+			return NULL;
+		*secsp += num * SECSPERMIN;
+		if (*strp == ':') {
+			++strp;
+			/* `SECSPERMIN' allows for leap seconds. */
+			strp = getnum(strp, &num, 0, SECSPERMIN);
+			if (strp == NULL)
+				return NULL;
+			*secsp += num;
+		}
+	}
+	return strp;
+}
+
+/*
+** Given a pointer into a time zone string, extract an offset, in
+** [+-]hh[:mm[:ss]] form, from the string.
+** If any error occurs, return NULL.
+** Otherwise, return a pointer to the first character not part of the time.
+*/
+
+static const char *
+getoffset(strp, offsetp)
+register const char *	strp;
+long * const		offsetp;
+{
+	register int	neg = 0;
+
+	if (*strp == '-') {
+		neg = 1;
+		++strp;
+	} else if (*strp == '+')
+		++strp;
+	strp = getsecs(strp, offsetp);
+	if (strp == NULL)
+		return NULL;		/* illegal time */
+	if (neg)
+		*offsetp = -*offsetp;
+	return strp;
+}
+
+/*
+** Given a pointer into a time zone string, extract a rule in the form
+** date[/time]. See POSIX section 8 for the format of "date" and "time".
+** If a valid rule is not found, return NULL.
+** Otherwise, return a pointer to the first character not part of the rule.
+*/
+
+static const char *
+getrule(strp, rulep)
+const char *			strp;
+register struct rule * const	rulep;
+{
+	if (*strp == 'J') {
+		/*
+		** Julian day.
+		*/
+		rulep->r_type = JULIAN_DAY;
+		++strp;
+		strp = getnum(strp, &rulep->r_day, 1, DAYSPERNYEAR);
+	} else if (*strp == 'M') {
+		/*
+		** Month, week, day.
+		*/
+		rulep->r_type = MONTH_NTH_DAY_OF_WEEK;
+		++strp;
+		strp = getnum(strp, &rulep->r_mon, 1, MONSPERYEAR);
+		if (strp == NULL)
+			return NULL;
+		if (*strp++ != '.')
+			return NULL;
+		strp = getnum(strp, &rulep->r_week, 1, 5);
+		if (strp == NULL)
+			return NULL;
+		if (*strp++ != '.')
+			return NULL;
+		strp = getnum(strp, &rulep->r_day, 0, DAYSPERWEEK - 1);
+	} else if (is_digit(*strp)) {
+		/*
+		** Day of year.
+		*/
+		rulep->r_type = DAY_OF_YEAR;
+		strp = getnum(strp, &rulep->r_day, 0, DAYSPERLYEAR - 1);
+	} else	return NULL;		/* invalid format */
+	if (strp == NULL)
+		return NULL;
+	if (*strp == '/') {
+		/*
+		** Time specified.
+		*/
+		++strp;
+		strp = getsecs(strp, &rulep->r_time);
+	} else	rulep->r_time = 2 * SECSPERHOUR;	/* default = 2:00:00 */
+	return strp;
+}
+
+/*
+** Given the Epoch-relative time of January 1, 00:00:00 UTC, in a year, the
+** year, a rule, and the offset from UTC at the time that rule takes effect,
+** calculate the Epoch-relative time that rule takes effect.
+*/
+
+static time_t
+transtime(janfirst, year, rulep, offset)
+const time_t				janfirst;
+const int				year;
+register const struct rule * const	rulep;
+const long				offset;
+{
+	register int	leapyear;
+	register time_t	value;
+	register int	i;
+	int		d, m1, yy0, yy1, yy2, dow;
+
+	INITIALIZE(value);
+	leapyear = isleap(year);
+	switch (rulep->r_type) {
+
+	case JULIAN_DAY:
+		/*
+		** Jn - Julian day, 1 == January 1, 60 == March 1 even in leap
+		** years.
+		** In non-leap years, or if the day number is 59 or less, just
+		** add SECSPERDAY times the day number-1 to the time of
+		** January 1, midnight, to get the day.
+		*/
+		value = janfirst + (rulep->r_day - 1) * SECSPERDAY;
+		if (leapyear && rulep->r_day >= 60)
+			value += SECSPERDAY;
+		break;
+
+	case DAY_OF_YEAR:
+		/*
+		** n - day of year.
+		** Just add SECSPERDAY times the day number to the time of
+		** January 1, midnight, to get the day.
+		*/
+		value = janfirst + rulep->r_day * SECSPERDAY;
+		break;
+
+	case MONTH_NTH_DAY_OF_WEEK:
+		/*
+		** Mm.n.d - nth "dth day" of month m.
+		*/
+		value = janfirst;
+		for (i = 0; i < rulep->r_mon - 1; ++i)
+			value += mon_lengths[leapyear][i] * SECSPERDAY;
+
+		/*
+		** Use Zeller's Congruence to get day-of-week of first day of
+		** month.
+		*/
+		m1 = (rulep->r_mon + 9) % 12 + 1;
+		yy0 = (rulep->r_mon <= 2) ? (year - 1) : year;
+		yy1 = yy0 / 100;
+		yy2 = yy0 % 100;
+		dow = ((26 * m1 - 2) / 10 +
+			1 + yy2 + yy2 / 4 + yy1 / 4 - 2 * yy1) % 7;
+		if (dow < 0)
+			dow += DAYSPERWEEK;
+
+		/*
+		** "dow" is the day-of-week of the first day of the month. Get
+		** the day-of-month (zero-origin) of the first "dow" day of the
+		** month.
+		*/
+		d = rulep->r_day - dow;
+		if (d < 0)
+			d += DAYSPERWEEK;
+		for (i = 1; i < rulep->r_week; ++i) {
+			if (d + DAYSPERWEEK >=
+				mon_lengths[leapyear][rulep->r_mon - 1])
+					break;
+			d += DAYSPERWEEK;
+		}
+
+		/*
+		** "d" is the day-of-month (zero-origin) of the day we want.
+		*/
+		value += d * SECSPERDAY;
+		break;
+	}
+
+	/*
+	** "value" is the Epoch-relative time of 00:00:00 UTC on the day in
+	** question. To get the Epoch-relative time of the specified local
+	** time on that day, add the transition time and the current offset
+	** from UTC.
+	*/
+	return value + rulep->r_time + offset;
+}
+
+/*
+** Given a POSIX section 8-style TZ string, fill in the rule tables as
+** appropriate.
+*/
+
+static int
+tzparse(name, sp, lastditch)
+const char *			name;
+register struct state * const	sp;
+const int			lastditch;
+{
+	const char *			stdname;
+	const char *			dstname;
+	size_t				stdlen;
+	size_t				dstlen;
+	long				stdoffset;
+	long				dstoffset;
+	register time_t *		atp;
+	register unsigned char *	typep;
+	register char *			cp;
+	register int			load_result;
+
+	INITIALIZE(dstname);
+	stdname = name;
+	if (lastditch) {
+		stdlen = strlen(name);	/* length of standard zone name */
+		name += stdlen;
+		if (stdlen >= sizeof sp->chars)
+			stdlen = (sizeof sp->chars) - 1;
+		stdoffset = 0;
+	} else {
+		if (*name == '<') {
+			name++;
+			stdname = name;
+			name = getqzname(name, '>');
+			if (*name != '>')
+				return (-1);
+			stdlen = name - stdname;
+			name++;
+		} else {
+			name = getzname(name);
+			stdlen = name - stdname;
+		}
+		if (*name == '\0')
+			return -1;
+		name = getoffset(name, &stdoffset);
+		if (name == NULL)
+			return -1;
+	}
+	load_result = tzload(TZDEFRULES, sp);
+	if (load_result != 0)
+		sp->leapcnt = 0;		/* so, we're off a little */
+	if (*name != '\0') {
+		if (*name == '<') {
+			dstname = ++name;
+			name = getqzname(name, '>');
+			if (*name != '>')
+				return -1;
+			dstlen = name - dstname;
+			name++;
+		} else {
+			dstname = name;
+			name = getzname(name);
+			dstlen = name - dstname; /* length of DST zone name */
+		}
+		if (*name != '\0' && *name != ',' && *name != ';') {
+			name = getoffset(name, &dstoffset);
+			if (name == NULL)
+				return -1;
+		} else	dstoffset = stdoffset - SECSPERHOUR;
+		if (*name == '\0' && load_result != 0)
+			name = TZDEFRULESTRING;
+		if (*name == ',' || *name == ';') {
+			struct rule	start;
+			struct rule	end;
+			register int	year;
+			register time_t	janfirst;
+			time_t		starttime;
+			time_t		endtime;
+
+			++name;
+			if ((name = getrule(name, &start)) == NULL)
+				return -1;
+			if (*name++ != ',')
+				return -1;
+			if ((name = getrule(name, &end)) == NULL)
+				return -1;
+			if (*name != '\0')
+				return -1;
+			sp->typecnt = 2;	/* standard time and DST */
+			/*
+			** Two transitions per year, from EPOCH_YEAR to 2037.
+			*/
+			sp->timecnt = 2 * (2037 - EPOCH_YEAR + 1);
+			if (sp->timecnt > TZ_MAX_TIMES)
+				return -1;
+			sp->ttis[0].tt_gmtoff = -dstoffset;
+			sp->ttis[0].tt_isdst = 1;
+			sp->ttis[0].tt_abbrind = stdlen + 1;
+			sp->ttis[1].tt_gmtoff = -stdoffset;
+			sp->ttis[1].tt_isdst = 0;
+			sp->ttis[1].tt_abbrind = 0;
+			atp = sp->ats;
+			typep = sp->types;
+			janfirst = 0;
+			for (year = EPOCH_YEAR; year <= 2037; ++year) {
+				starttime = transtime(janfirst, year, &start,
+					stdoffset);
+				endtime = transtime(janfirst, year, &end,
+					dstoffset);
+				if (starttime > endtime) {
+					*atp++ = endtime;
+					*typep++ = 1;	/* DST ends */
+					*atp++ = starttime;
+					*typep++ = 0;	/* DST begins */
+				} else {
+					*atp++ = starttime;
+					*typep++ = 0;	/* DST begins */
+					*atp++ = endtime;
+					*typep++ = 1;	/* DST ends */
+				}
+				janfirst += year_lengths[isleap(year)] *
+					SECSPERDAY;
+			}
+		} else {
+			register long	theirstdoffset;
+			register long	theirdstoffset;
+			register long	theiroffset;
+			register int	isdst;
+			register int	i;
+			register int	j;
+
+			if (*name != '\0')
+				return -1;
+			/*
+			** Initial values of theirstdoffset and theirdstoffset.
+			*/
+			theirstdoffset = 0;
+			for (i = 0; i < sp->timecnt; ++i) {
+				j = sp->types[i];
+				if (!sp->ttis[j].tt_isdst) {
+					theirstdoffset =
+						-sp->ttis[j].tt_gmtoff;
+					break;
+				}
+			}
+			theirdstoffset = 0;
+			for (i = 0; i < sp->timecnt; ++i) {
+				j = sp->types[i];
+				if (sp->ttis[j].tt_isdst) {
+					theirdstoffset =
+						-sp->ttis[j].tt_gmtoff;
+					break;
+				}
+			}
+			/*
+			** Initially we're assumed to be in standard time.
+			*/
+			isdst = FALSE;
+			theiroffset = theirstdoffset;
+			/*
+			** Now juggle transition times and types
+			** tracking offsets as you do.
+			*/
+			for (i = 0; i < sp->timecnt; ++i) {
+				j = sp->types[i];
+				sp->types[i] = sp->ttis[j].tt_isdst;
+				if (sp->ttis[j].tt_ttisgmt) {
+					/* No adjustment to transition time */
+				} else {
+					/*
+					** If summer time is in effect, and the
+					** transition time was not specified as
+					** standard time, add the summer time
+					** offset to the transition time;
+					** otherwise, add the standard time
+					** offset to the transition time.
+					*/
+					/*
+					** Transitions from DST to DDST
+					** will effectively disappear since
+					** POSIX provides for only one DST
+					** offset.
+					*/
+					if (isdst && !sp->ttis[j].tt_ttisstd) {
+						sp->ats[i] += dstoffset -
+							theirdstoffset;
+					} else {
+						sp->ats[i] += stdoffset -
+							theirstdoffset;
+					}
+				}
+				theiroffset = -sp->ttis[j].tt_gmtoff;
+				if (sp->ttis[j].tt_isdst)
+					theirdstoffset = theiroffset;
+				else	theirstdoffset = theiroffset;
+			}
+			/*
+			** Finally, fill in ttis.
+			** ttisstd and ttisgmt need not be handled.
+			*/
+			sp->ttis[0].tt_gmtoff = -stdoffset;
+			sp->ttis[0].tt_isdst = FALSE;
+			sp->ttis[0].tt_abbrind = 0;
+			sp->ttis[1].tt_gmtoff = -dstoffset;
+			sp->ttis[1].tt_isdst = TRUE;
+			sp->ttis[1].tt_abbrind = stdlen + 1;
+			sp->typecnt = 2;
+		}
+	} else {
+		dstlen = 0;
+		sp->typecnt = 1;		/* only standard time */
+		sp->timecnt = 0;
+		sp->ttis[0].tt_gmtoff = -stdoffset;
+		sp->ttis[0].tt_isdst = 0;
+		sp->ttis[0].tt_abbrind = 0;
+	}
+	sp->charcnt = stdlen + 1;
+	if (dstlen != 0)
+		sp->charcnt += dstlen + 1;
+	if ((size_t) sp->charcnt > sizeof sp->chars)
+		return -1;
+	cp = sp->chars;
+	(void) strncpy(cp, stdname, stdlen);
+	cp += stdlen;
+	*cp++ = '\0';
+	if (dstlen != 0) {
+		(void) strncpy(cp, dstname, dstlen);
+		*(cp + dstlen) = '\0';
+	}
+	return 0;
+}
+
+static void
+gmtload(sp)
+struct state * const	sp;
+{
+	if (tzload(gmt, sp) != 0)
+		(void) tzparse(gmt, sp, TRUE);
+}
+
+#ifndef STD_INSPIRED
+/*
+** A non-static declaration of tzsetwall in a system header file
+** may cause a warning about this upcoming static declaration...
+*/
+static
+#endif /* !defined STD_INSPIRED */
+void
+tzsetwall P((void))
+{
+	if (lcl_is_set < 0)
+		return;
+	lcl_is_set = -1;
+
+#ifdef ALL_STATE
+	if (lclptr == NULL) {
+		lclptr = (struct state *) malloc(sizeof *lclptr);
+		if (lclptr == NULL) {
+			settzname();	/* all we can do */
+			return;
+		}
+	}
+#endif /* defined ALL_STATE */
+	if (tzload((char *) NULL, lclptr) != 0)
+		gmtload(lclptr);
+	settzname();
+}
+
+void
+tzset P((void))
+{
+	register const char *	name;
+
+	name = getenv("TZ");
+	if (name == NULL) {
+		tzsetwall();
+		return;
+	}
+
+	if (lcl_is_set > 0 && strcmp(lcl_TZname, name) == 0)
+		return;
+	lcl_is_set = strlen(name) < sizeof lcl_TZname;
+	if (lcl_is_set)
+		(void) strcpy(lcl_TZname, name);
+
+#ifdef ALL_STATE
+	if (lclptr == NULL) {
+		lclptr = (struct state *) malloc(sizeof *lclptr);
+		if (lclptr == NULL) {
+			settzname();	/* all we can do */
+			return;
+		}
+	}
+#endif /* defined ALL_STATE */
+	if (*name == '\0') {
+		/*
+		** User wants it fast rather than right.
+		*/
+		lclptr->leapcnt = 0;		/* so, we're off a little */
+		lclptr->timecnt = 0;
+		lclptr->typecnt = 0;
+		lclptr->ttis[0].tt_isdst = 0;
+		lclptr->ttis[0].tt_gmtoff = 0;
+		lclptr->ttis[0].tt_abbrind = 0;
+		(void) strcpy(lclptr->chars, gmt);
+	} else if (tzload(name, lclptr) != 0)
+		if (name[0] == ':' || tzparse(name, lclptr, FALSE) != 0)
+			(void) gmtload(lclptr);
+	settzname();
+}
+
+/*
+** The easy way to behave "as if no library function calls" localtime
+** is to not call it--so we drop its guts into "localsub", which can be
+** freely called. (And no, the PANS doesn't require the above behavior--
+** but it *is* desirable.)
+**
+** The unused offset argument is for the benefit of mktime variants.
+*/
+
+/*ARGSUSED*/
+static struct tm *
+localsub(timep, offset, tmp)
+const time_t * const	timep;
+const long		offset;
+struct tm * const	tmp;
+{
+	register struct state *		sp;
+	register const struct ttinfo *	ttisp;
+	register int			i;
+	register struct tm *		result;
+	const time_t			t = *timep;
+
+	sp = lclptr;
+#ifdef ALL_STATE
+	if (sp == NULL)
+		return gmtsub(timep, offset, tmp);
+#endif /* defined ALL_STATE */
+	if (sp->timecnt == 0 || t < sp->ats[0]) {
+		i = 0;
+		while (sp->ttis[i].tt_isdst)
+			if (++i >= sp->typecnt) {
+				i = 0;
+				break;
+			}
+	} else {
+		for (i = 1; i < sp->timecnt; ++i)
+			if (t < sp->ats[i])
+				break;
+		i = (int) sp->types[i - 1];
+	}
+	ttisp = &sp->ttis[i];
+	/*
+	** To get (wrong) behavior that's compatible with System V Release 2.0
+	** you'd replace the statement below with
+	**	t += ttisp->tt_gmtoff;
+	**	timesub(&t, 0L, sp, tmp);
+	*/
+	result = timesub(&t, ttisp->tt_gmtoff, sp, tmp);
+	tmp->tm_isdst = ttisp->tt_isdst;
+	tzname[tmp->tm_isdst] = &sp->chars[ttisp->tt_abbrind];
+#ifdef TM_ZONE
+	tmp->TM_ZONE = &sp->chars[ttisp->tt_abbrind];
+#endif /* defined TM_ZONE */
+	return result;
+}
+
+struct tm *
+localtime(timep)
+const time_t * const	timep;
+{
+	tzset();
+	return localsub(timep, 0L, &tm);
+}
+
+/*
+** Re-entrant version of localtime.
+*/
+
+struct tm *
+localtime_r(timep, tmp)
+const time_t * const	timep;
+struct tm *		tmp;
+{
+	return localsub(timep, 0L, tmp);
+}
+
+/*
+** gmtsub is to gmtime as localsub is to localtime.
+*/
+
+static struct tm *
+gmtsub(timep, offset, tmp)
+const time_t * const	timep;
+const long		offset;
+struct tm * const	tmp;
+{
+	register struct tm *	result;
+
+	if (!gmt_is_set) {
+		gmt_is_set = TRUE;
+#ifdef ALL_STATE
+		gmtptr = (struct state *) malloc(sizeof *gmtptr);
+		if (gmtptr != NULL)
+#endif /* defined ALL_STATE */
+			gmtload(gmtptr);
+	}
+	result = timesub(timep, offset, gmtptr, tmp);
+#ifdef TM_ZONE
+	/*
+	** Could get fancy here and deliver something such as
+	** "UTC+xxxx" or "UTC-xxxx" if offset is non-zero,
+	** but this is no time for a treasure hunt.
+	*/
+	if (offset != 0)
+		tmp->TM_ZONE = wildabbr;
+	else {
+#ifdef ALL_STATE
+		if (gmtptr == NULL)
+			tmp->TM_ZONE = gmt;
+		else	tmp->TM_ZONE = gmtptr->chars;
+#endif /* defined ALL_STATE */
+#ifndef ALL_STATE
+		tmp->TM_ZONE = gmtptr->chars;
+#endif /* State Farm */
+	}
+#endif /* defined TM_ZONE */
+	return result;
+}
+
+struct tm *
+gmtime(timep)
+const time_t * const	timep;
+{
+	return gmtsub(timep, 0L, &tm);
+}
+
+/*
+* Re-entrant version of gmtime.
+*/
+
+struct tm *
+gmtime_r(timep, tmp)
+const time_t * const	timep;
+struct tm *		tmp;
+{
+	return gmtsub(timep, 0L, tmp);
+}
+
+#ifdef STD_INSPIRED
+
+struct tm *
+offtime(timep, offset)
+const time_t * const	timep;
+const long		offset;
+{
+	return gmtsub(timep, offset, &tm);
+}
+
+#endif /* defined STD_INSPIRED */
+
+/*
+** Return the number of leap years through the end of the given year
+** where, to make the math easy, the answer for year zero is defined as zero.
+*/
+
+static int
+leaps_thru_end_of(y)
+register const int	y;
+{
+	return (y >= 0) ? (y / 4 - y / 100 + y / 400) :
+		-(leaps_thru_end_of(-(y + 1)) + 1);
+}
+
+static struct tm *
+timesub(timep, offset, sp, tmp)
+const time_t * const			timep;
+const long				offset;
+register const struct state * const	sp;
+register struct tm * const		tmp;
+{
+	register const struct lsinfo *	lp;
+	register time_t			tdays;
+	register int			idays;	/* unsigned would be so 2003 */
+	register long			rem;
+	int				y;
+	register const int *		ip;
+	register long			corr;
+	register int			hit;
+	register int			i;
+
+	corr = 0;
+	hit = 0;
+#ifdef ALL_STATE
+	i = (sp == NULL) ? 0 : sp->leapcnt;
+#endif /* defined ALL_STATE */
+#ifndef ALL_STATE
+	i = sp->leapcnt;
+#endif /* State Farm */
+	while (--i >= 0) {
+		lp = &sp->lsis[i];
+		if (*timep >= lp->ls_trans) {
+			if (*timep == lp->ls_trans) {
+				hit = ((i == 0 && lp->ls_corr > 0) ||
+					lp->ls_corr > sp->lsis[i - 1].ls_corr);
+				if (hit)
+					while (i > 0 &&
+						sp->lsis[i].ls_trans ==
+						sp->lsis[i - 1].ls_trans + 1 &&
+						sp->lsis[i].ls_corr ==
+						sp->lsis[i - 1].ls_corr + 1) {
+							++hit;
+							--i;
+					}
+			}
+			corr = lp->ls_corr;
+			break;
+		}
+	}
+	y = EPOCH_YEAR;
+	tdays = *timep / SECSPERDAY;
+	rem = *timep - tdays * SECSPERDAY;
+	while (tdays < 0 || tdays >= year_lengths[isleap(y)]) {
+		int		newy;
+		register time_t	tdelta;
+		register int	idelta;
+		register int	leapdays;
+
+		tdelta = tdays / DAYSPERLYEAR;
+		idelta = tdelta;
+		if (tdelta - idelta >= 1 || idelta - tdelta >= 1)
+			return NULL;
+		if (idelta == 0)
+			idelta = (tdays < 0) ? -1 : 1;
+		newy = y;
+		if (increment_overflow(&newy, idelta))
+			return NULL;
+		leapdays = leaps_thru_end_of(newy - 1) -
+			leaps_thru_end_of(y - 1);
+		tdays -= ((time_t) newy - y) * DAYSPERNYEAR;
+		tdays -= leapdays;
+		y = newy;
+	}
+	{
+		register long	seconds;
+
+		seconds = tdays * SECSPERDAY + 0.5;
+		tdays = seconds / SECSPERDAY;
+		rem += seconds - tdays * SECSPERDAY;
+	}
+	/*
+	** Given the range, we can now fearlessly cast...
+	*/
+	idays = tdays;
+	rem += offset - corr;
+	while (rem < 0) {
+		rem += SECSPERDAY;
+		--idays;
+	}
+	while (rem >= SECSPERDAY) {
+		rem -= SECSPERDAY;
+		++idays;
+	}
+	while (idays < 0) {
+		if (increment_overflow(&y, -1))
+			return NULL;
+		idays += year_lengths[isleap(y)];
+	}
+	while (idays >= year_lengths[isleap(y)]) {
+		idays -= year_lengths[isleap(y)];
+		if (increment_overflow(&y, 1))
+			return NULL;
+	}
+	tmp->tm_year = y;
+	if (increment_overflow(&tmp->tm_year, -TM_YEAR_BASE))
+		return NULL;
+	tmp->tm_yday = idays;
+	/*
+	** The "extra" mods below avoid overflow problems.
+	*/
+	tmp->tm_wday = EPOCH_WDAY +
+		((y - EPOCH_YEAR) % DAYSPERWEEK) *
+		(DAYSPERNYEAR % DAYSPERWEEK) +
+		leaps_thru_end_of(y - 1) -
+		leaps_thru_end_of(EPOCH_YEAR - 1) +
+		idays;
+	tmp->tm_wday %= DAYSPERWEEK;
+	if (tmp->tm_wday < 0)
+		tmp->tm_wday += DAYSPERWEEK;
+	tmp->tm_hour = (int) (rem / SECSPERHOUR);
+	rem %= SECSPERHOUR;
+	tmp->tm_min = (int) (rem / SECSPERMIN);
+	/*
+	** A positive leap second requires a special
+	** representation. This uses "... ??:59:60" et seq.
+	*/
+	tmp->tm_sec = (int) (rem % SECSPERMIN) + hit;
+	ip = mon_lengths[isleap(y)];
+	for (tmp->tm_mon = 0; idays >= ip[tmp->tm_mon]; ++(tmp->tm_mon))
+		idays -= ip[tmp->tm_mon];
+	tmp->tm_mday = (int) (idays + 1);
+	tmp->tm_isdst = 0;
+#ifdef TM_GMTOFF
+	tmp->TM_GMTOFF = offset;
+#endif /* defined TM_GMTOFF */
+	return tmp;
+}
+
+char *
+ctime(timep)
+const time_t * const	timep;
+{
+/*
+** Section 4.12.3.2 of X3.159-1989 requires that
+**	The ctime function converts the calendar time pointed to by timer
+**	to local time in the form of a string. It is equivalent to
+**		asctime(localtime(timer))
+*/
+	return asctime(localtime(timep));
+}
+
+char *
+ctime_r(timep, buf)
+const time_t * const	timep;
+char *			buf;
+{
+	struct tm	mytm;
+
+	return asctime_r(localtime_r(timep, &mytm), buf);
+}
+
+/*
+** Adapted from code provided by Robert Elz, who writes:
+**	The "best" way to do mktime I think is based on an idea of Bob
+**	Kridle's (so its said...) from a long time ago.
+**	It does a binary search of the time_t space. Since time_t's are
+**	just 32 bits, its a max of 32 iterations (even at 64 bits it
+**	would still be very reasonable).
+*/
+
+#ifndef WRONG
+#define WRONG	(-1)
+#endif /* !defined WRONG */
+
+/*
+** Simplified normalize logic courtesy Paul Eggert.
+*/
+
+static int
+increment_overflow(number, delta)
+int *	number;
+int	delta;
+{
+	int	number0;
+
+	number0 = *number;
+	*number += delta;
+	return (*number < number0) != (delta < 0);
+}
+
+static int
+long_increment_overflow(number, delta)
+long *	number;
+int	delta;
+{
+	long	number0;
+
+	number0 = *number;
+	*number += delta;
+	return (*number < number0) != (delta < 0);
+}
+
+static int
+normalize_overflow(tensptr, unitsptr, base)
+int * const	tensptr;
+int * const	unitsptr;
+const int	base;
+{
+	register int	tensdelta;
+
+	tensdelta = (*unitsptr >= 0) ?
+		(*unitsptr / base) :
+		(-1 - (-1 - *unitsptr) / base);
+	*unitsptr -= tensdelta * base;
+	return increment_overflow(tensptr, tensdelta);
+}
+
+static int
+long_normalize_overflow(tensptr, unitsptr, base)
+long * const	tensptr;
+int * const	unitsptr;
+const int	base;
+{
+	register int	tensdelta;
+
+	tensdelta = (*unitsptr >= 0) ?
+		(*unitsptr / base) :
+		(-1 - (-1 - *unitsptr) / base);
+	*unitsptr -= tensdelta * base;
+	return long_increment_overflow(tensptr, tensdelta);
+}
+
+static int
+tmcomp(atmp, btmp)
+register const struct tm * const atmp;
+register const struct tm * const btmp;
+{
+	register int	result;
+
+	if ((result = (atmp->tm_year - btmp->tm_year)) == 0 &&
+		(result = (atmp->tm_mon - btmp->tm_mon)) == 0 &&
+		(result = (atmp->tm_mday - btmp->tm_mday)) == 0 &&
+		(result = (atmp->tm_hour - btmp->tm_hour)) == 0 &&
+		(result = (atmp->tm_min - btmp->tm_min)) == 0)
+			result = atmp->tm_sec - btmp->tm_sec;
+	return result;
+}
+
+static time_t
+time2sub(tmp, funcp, offset, okayp, do_norm_secs)
+struct tm * const	tmp;
+struct tm * (* const	funcp) P((const time_t*, long, struct tm*));
+const long		offset;
+int * const		okayp;
+const int		do_norm_secs;
+{
+	register const struct state *	sp;
+	register int			dir;
+	register int			i, j;
+	register int			saved_seconds;
+	register long			li;
+	register time_t			lo;
+	register time_t			hi;
+	long				y;
+	time_t				newt;
+	time_t				t;
+	struct tm			yourtm, mytm;
+
+	*okayp = FALSE;
+	yourtm = *tmp;
+	if (do_norm_secs) {
+		if (normalize_overflow(&yourtm.tm_min, &yourtm.tm_sec,
+			SECSPERMIN))
+				return WRONG;
+	}
+	if (normalize_overflow(&yourtm.tm_hour, &yourtm.tm_min, MINSPERHOUR))
+		return WRONG;
+	if (normalize_overflow(&yourtm.tm_mday, &yourtm.tm_hour, HOURSPERDAY))
+		return WRONG;
+	y = yourtm.tm_year;
+	if (long_normalize_overflow(&y, &yourtm.tm_mon, MONSPERYEAR))
+		return WRONG;
+	/*
+	** Turn y into an actual year number for now.
+	** It is converted back to an offset from TM_YEAR_BASE later.
+	*/
+	if (long_increment_overflow(&y, TM_YEAR_BASE))
+		return WRONG;
+	while (yourtm.tm_mday <= 0) {
+		if (long_increment_overflow(&y, -1))
+			return WRONG;
+		li = y + (1 < yourtm.tm_mon);
+		yourtm.tm_mday += year_lengths[isleap(li)];
+	}
+	while (yourtm.tm_mday > DAYSPERLYEAR) {
+		li = y + (1 < yourtm.tm_mon);
+		yourtm.tm_mday -= year_lengths[isleap(li)];
+		if (long_increment_overflow(&y, 1))
+			return WRONG;
+	}
+	for ( ; ; ) {
+		i = mon_lengths[isleap(y)][yourtm.tm_mon];
+		if (yourtm.tm_mday <= i)
+			break;
+		yourtm.tm_mday -= i;
+		if (++yourtm.tm_mon >= MONSPERYEAR) {
+			yourtm.tm_mon = 0;
+			if (long_increment_overflow(&y, 1))
+				return WRONG;
+		}
+	}
+	if (long_increment_overflow(&y, -TM_YEAR_BASE))
+		return WRONG;
+	yourtm.tm_year = y;
+	if (yourtm.tm_year != y)
+		return WRONG;
+	if (yourtm.tm_sec >= 0 && yourtm.tm_sec < SECSPERMIN)
+		saved_seconds = 0;
+	else if (y + TM_YEAR_BASE < EPOCH_YEAR) {
+		/*
+		** We can't set tm_sec to 0, because that might push the
+		** time below the minimum representable time.
+		** Set tm_sec to 59 instead.
+		** This assumes that the minimum representable time is
+		** not in the same minute that a leap second was deleted from,
+		** which is a safer assumption than using 58 would be.
+		*/
+		if (increment_overflow(&yourtm.tm_sec, 1 - SECSPERMIN))
+			return WRONG;
+		saved_seconds = yourtm.tm_sec;
+		yourtm.tm_sec = SECSPERMIN - 1;
+	} else {
+		saved_seconds = yourtm.tm_sec;
+		yourtm.tm_sec = 0;
+	}
+	/*
+	** Do a binary search (this works whatever time_t's type is).
+	*/
+	if (!TYPE_SIGNED(time_t)) {
+		lo = 0;
+		hi = lo - 1;
+	} else if (!TYPE_INTEGRAL(time_t)) {
+		if (sizeof(time_t) > sizeof(float))
+			hi = (time_t) DBL_MAX;
+		else	hi = (time_t) FLT_MAX;
+		lo = -hi;
+	} else {
+		lo = 1;
+		for (i = 0; i < (int) TYPE_BIT(time_t) - 1; ++i)
+			lo *= 2;
+		hi = -(lo + 1);
+	}
+	for ( ; ; ) {
+		t = lo / 2 + hi / 2;
+		if (t < lo)
+			t = lo;
+		else if (t > hi)
+			t = hi;
+		if ((*funcp)(&t, offset, &mytm) == NULL) {
+			/*
+			** Assume that t is too extreme to be represented in
+			** a struct tm; arrange things so that it is less
+			** extreme on the next pass.
+			*/
+			dir = (t > 0) ? 1 : -1;
+		} else	dir = tmcomp(&mytm, &yourtm);
+		if (dir != 0) {
+			if (t == lo) {
+				++t;
+				if (t <= lo)
+					return WRONG;
+				++lo;
+			} else if (t == hi) {
+				--t;
+				if (t >= hi)
+					return WRONG;
+				--hi;
+			}
+			if (lo > hi)
+				return WRONG;
+			if (dir > 0)
+				hi = t;
+			else	lo = t;
+			continue;
+		}
+		if (yourtm.tm_isdst < 0 || mytm.tm_isdst == yourtm.tm_isdst)
+			break;
+		/*
+		** Right time, wrong type.
+		** Hunt for right time, right type.
+		** It's okay to guess wrong since the guess
+		** gets checked.
+		*/
+		/*
+		** The (void *) casts are the benefit of SunOS 3.3 on Sun 2's.
+		*/
+		sp = (const struct state *)
+			(((void *) funcp == (void *) localsub) ?
+			lclptr : gmtptr);
+#ifdef ALL_STATE
+		if (sp == NULL)
+			return WRONG;
+#endif /* defined ALL_STATE */
+		for (i = sp->typecnt - 1; i >= 0; --i) {
+			if (sp->ttis[i].tt_isdst != yourtm.tm_isdst)
+				continue;
+			for (j = sp->typecnt - 1; j >= 0; --j) {
+				if (sp->ttis[j].tt_isdst == yourtm.tm_isdst)
+					continue;
+				newt = t + sp->ttis[j].tt_gmtoff -
+					sp->ttis[i].tt_gmtoff;
+				if ((*funcp)(&newt, offset, &mytm) == NULL)
+					continue;
+				if (tmcomp(&mytm, &yourtm) != 0)
+					continue;
+				if (mytm.tm_isdst != yourtm.tm_isdst)
+					continue;
+				/*
+				** We have a match.
+				*/
+				t = newt;
+				goto label;
+			}
+		}
+		return WRONG;
+	}
+label:
+	newt = t + saved_seconds;
+	if ((newt < t) != (saved_seconds < 0))
+		return WRONG;
+	t = newt;
+	if ((*funcp)(&t, offset, tmp))
+		*okayp = TRUE;
+	return t;
+}
+
+static time_t
+time2(tmp, funcp, offset, okayp)
+struct tm * const	tmp;
+struct tm * (* const	funcp) P((const time_t*, long, struct tm*));
+const long		offset;
+int * const		okayp;
+{
+	time_t	t;
+
+	/*
+	** First try without normalization of seconds
+	** (in case tm_sec contains a value associated with a leap second).
+	** If that fails, try with normalization of seconds.
+	*/
+	t = time2sub(tmp, funcp, offset, okayp, FALSE);
+	return *okayp ? t : time2sub(tmp, funcp, offset, okayp, TRUE);
+}
+
+static time_t
+time1(tmp, funcp, offset)
+struct tm * const	tmp;
+struct tm * (* const	funcp) P((const time_t *, long, struct tm *));
+const long		offset;
+{
+	register time_t			t;
+	register const struct state *	sp;
+	register int			samei, otheri;
+	register int			sameind, otherind;
+	register int			i;
+	register int			nseen;
+	int				seen[TZ_MAX_TYPES];
+	int				types[TZ_MAX_TYPES];
+	int				okay;
+
+	if (tmp->tm_isdst > 1)
+		tmp->tm_isdst = 1;
+	t = time2(tmp, funcp, offset, &okay);
+#ifdef PCTS
+	/*
+	** PCTS code courtesy Grant Sullivan.
+	*/
+	if (okay)
+		return t;
+	if (tmp->tm_isdst < 0)
+		tmp->tm_isdst = 0;	/* reset to std and try again */
+#endif /* defined PCTS */
+#ifndef PCTS
+	if (okay || tmp->tm_isdst < 0)
+		return t;
+#endif /* !defined PCTS */
+	/*
+	** We're supposed to assume that somebody took a time of one type
+	** and did some math on it that yielded a "struct tm" that's bad.
+	** We try to divine the type they started from and adjust to the
+	** type they need.
+	*/
+	/*
+	** The (void *) casts are the benefit of SunOS 3.3 on Sun 2's.
+	*/
+	sp = (const struct state *) (((void *) funcp == (void *) localsub) ?
+		lclptr : gmtptr);
+#ifdef ALL_STATE
+	if (sp == NULL)
+		return WRONG;
+#endif /* defined ALL_STATE */
+	for (i = 0; i < sp->typecnt; ++i)
+		seen[i] = FALSE;
+	nseen = 0;
+	for (i = sp->timecnt - 1; i >= 0; --i)
+		if (!seen[sp->types[i]]) {
+			seen[sp->types[i]] = TRUE;
+			types[nseen++] = sp->types[i];
+		}
+	for (sameind = 0; sameind < nseen; ++sameind) {
+		samei = types[sameind];
+		if (sp->ttis[samei].tt_isdst != tmp->tm_isdst)
+			continue;
+		for (otherind = 0; otherind < nseen; ++otherind) {
+			otheri = types[otherind];
+			if (sp->ttis[otheri].tt_isdst == tmp->tm_isdst)
+				continue;
+			tmp->tm_sec += sp->ttis[otheri].tt_gmtoff -
+					sp->ttis[samei].tt_gmtoff;
+			tmp->tm_isdst = !tmp->tm_isdst;
+			t = time2(tmp, funcp, offset, &okay);
+			if (okay)
+				return t;
+			tmp->tm_sec -= sp->ttis[otheri].tt_gmtoff -
+					sp->ttis[samei].tt_gmtoff;
+			tmp->tm_isdst = !tmp->tm_isdst;
+		}
+	}
+	return WRONG;
+}
+
+time_t
+mktime(tmp)
+struct tm * const	tmp;
+{
+	tzset();
+	return time1(tmp, localsub, 0L);
+}
+
+#ifdef STD_INSPIRED
+
+time_t
+timelocal(tmp)
+struct tm * const	tmp;
+{
+	tmp->tm_isdst = -1;	/* in case it wasn't initialized */
+	return mktime(tmp);
+}
+
+time_t
+timegm(tmp)
+struct tm * const	tmp;
+{
+	tmp->tm_isdst = 0;
+	return time1(tmp, gmtsub, 0L);
+}
+
+time_t
+timeoff(tmp, offset)
+struct tm * const	tmp;
+const long		offset;
+{
+	tmp->tm_isdst = 0;
+	return time1(tmp, gmtsub, offset);
+}
+
+#endif /* defined STD_INSPIRED */
+
+#ifdef CMUCS
+
+/*
+** The following is supplied for compatibility with
+** previous versions of the CMUCS runtime library.
+*/
+
+long
+gtime(tmp)
+struct tm * const	tmp;
+{
+	const time_t	t = mktime(tmp);
+
+	if (t == WRONG)
+		return -1;
+	return t;
+}
+
+#endif /* defined CMUCS */
+
+/*
+** XXX--is the below the right way to conditionalize??
+*/
+
+#ifdef STD_INSPIRED
+
+/*
+** IEEE Std 1003.1-1988 (POSIX) legislates that 536457599
+** shall correspond to "Wed Dec 31 23:59:59 UTC 1986", which
+** is not the case if we are accounting for leap seconds.
+** So, we provide the following conversion routines for use
+** when exchanging timestamps with POSIX conforming systems.
+*/
+
+static long
+leapcorr(timep)
+time_t *	timep;
+{
+	register struct state *		sp;
+	register struct lsinfo *	lp;
+	register int			i;
+
+	sp = lclptr;
+	i = sp->leapcnt;
+	while (--i >= 0) {
+		lp = &sp->lsis[i];
+		if (*timep >= lp->ls_trans)
+			return lp->ls_corr;
+	}
+	return 0;
+}
+
+time_t
+time2posix(t)
+time_t	t;
+{
+	tzset();
+	return t - leapcorr(&t);
+}
+
+time_t
+posix2time(t)
+time_t	t;
+{
+	time_t	x;
+	time_t	y;
+
+	tzset();
+	/*
+	** For a positive leap second hit, the result
+	** is not unique. For a negative leap second
+	** hit, the corresponding time doesn't exist,
+	** so we return an adjacent second.
+	*/
+	x = t + leapcorr(&t);
+	y = x - leapcorr(&x);
+	if (y < t) {
+		do {
+			x++;
+			y = x - leapcorr(&x);
+		} while (y < t);
+		if (t != y)
+			return x - 1;
+	} else if (y > t) {
+		do {
+			--x;
+			y = x - leapcorr(&x);
+		} while (y > t);
+		if (t != y)
+			return x + 1;
+	}
+	return x;
+}
+
+#endif /* defined STD_INSPIRED */
diff --git a/commands/zoneinfo/logwtmp.c b/commands/zoneinfo/logwtmp.c
new file mode 100644
index 000000000..d84ff3394
--- /dev/null
+++ b/commands/zoneinfo/logwtmp.c
@@ -0,0 +1,71 @@
+#ifndef lint
+#ifndef NOID
+static char	elsieid[] = "@(#)logwtmp.c	7.7";
+/* As received from UCB, with include reordering and OLD_TIME condition. */
+#endif /* !defined NOID */
+#endif /* !defined lint */
+
+/*
+ * Copyright (c) 1988 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley.  The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANT[A]BILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#ifndef lint
+#ifdef LIBC_SCCS
+static char sccsid[] = "@(#)logwtmp.c	5.2 (Berkeley) 9/20/88";
+#endif /* defined LIBC_SCCS */
+#endif /* !defined lint */
+
+#include 
+#include 
+
+#ifdef OLD_TIME
+
+char dummy_to_keep_linker_happy;
+
+#endif /* defined OLD_TIME */
+
+#ifndef OLD_TIME
+
+#include 
+#include 
+#include 
+
+#define WTMPFILE	"/usr/adm/wtmp"
+
+logwtmp(line, name, host)
+	char *line, *name, *host;
+{
+	struct utmp ut;
+	struct stat buf;
+	int fd;
+	time_t time();
+	char *strncpy();
+
+	if ((fd = open(WTMPFILE, O_WRONLY|O_APPEND, 0)) < 0)
+		return;
+	if (!fstat(fd, &buf)) {
+		(void)strncpy(ut.ut_line, line, sizeof(ut.ut_line));
+		(void)strncpy(ut.ut_name, name, sizeof(ut.ut_name));
+		(void)strncpy(ut.ut_host, host, sizeof(ut.ut_host));
+		(void)time(&ut.ut_time);
+		if (write(fd, (char *)&ut, sizeof(struct utmp)) !=
+			sizeof(struct utmp))
+				(void)ftruncate(fd, buf.st_size);
+	}
+	(void)close(fd);
+}
+
+#endif /* !defined OLD_TIME */
diff --git a/commands/zoneinfo/newctime.3 b/commands/zoneinfo/newctime.3
new file mode 100644
index 000000000..7fcf04f1c
--- /dev/null
+++ b/commands/zoneinfo/newctime.3
@@ -0,0 +1,237 @@
+.TH NEWCTIME 3
+.SH NAME
+asctime, ctime, difftime, gmtime, localtime, mktime \- convert date and time to ASCII
+.SH SYNOPSIS
+.nf
+.B extern char *tzname[2];
+.PP
+.B void tzset()
+.PP
+.B #include 
+.PP
+.B char *ctime(clock)
+.B const time_t *clock;
+.PP
+.B double difftime(time1, time0)
+.B time_t time1;
+.B time_t time0;
+.PP
+.B #include 
+.PP
+.B char *asctime(tm)
+.B const struct tm *tm;
+.PP
+.B struct tm *localtime(clock)
+.B const time_t *clock;
+.PP
+.B struct tm *gmtime(clock)
+.B const time_t *clock;
+.PP
+.B time_t mktime(tm)
+.B struct tm *tm;
+.PP
+.B cc ... -ltz
+.fi
+.SH DESCRIPTION
+.I Ctime\^
+converts a long integer, pointed to by
+.IR clock ,
+representing the time in seconds since
+00:00:00 UTC, 1970-01-01,
+and returns a pointer to a
+string of the form
+.br
+.ce
+.eo
+Thu Nov 24 18:22:48 1986\n\0
+.br
+.ec
+Years requiring fewer than four characters are padded with leading zeroes.
+For years longer than four characters, the string is of the form
+.br
+.ce
+.eo
+Thu Nov 24 18:22:48     81986\n\0
+.ec
+.br
+with five spaces before the year.
+These unusual formats are designed to make it less likely that older
+software that expects exactly 26 bytes of output will mistakenly output
+misleading values for out-of-range years.
+.PP
+.I Localtime\^
+and
+.I gmtime\^
+return pointers to ``tm'' structures, described below.
+.I Localtime\^
+corrects for the time zone and any time zone adjustments
+(such as Daylight Saving Time in the United States).
+After filling in the ``tm'' structure,
+.I localtime
+sets the
+.BR tm_isdst 'th
+element of
+.B tzname
+to a pointer to an
+ASCII string that's the time zone abbreviation to be used with
+.IR localtime 's
+return value.
+.PP
+.I Gmtime\^
+converts to Coordinated Universal Time.
+.PP
+.I Asctime\^
+converts a time value contained in a
+``tm'' structure to a string,
+as shown in the above example,
+and returns a pointer to the string.
+.PP
+.I Mktime\^
+converts the broken-down time,
+expressed as local time,
+in the structure pointed to by
+.I tm
+into a calendar time value with the same encoding as that of the values
+returned by the
+.I time
+function.
+The original values of the
+.B tm_wday
+and
+.B tm_yday
+components of the structure are ignored,
+and the original values of the other components are not restricted
+to their normal ranges.
+(A positive or zero value for
+.B tm_isdst
+causes
+.I mktime
+to presume initially that summer time (for example, Daylight Saving Time
+in the U.S.A.)
+respectively,
+is or is not in effect for the specified time.
+A negative value for
+.B tm_isdst
+causes the
+.I mktime
+function to attempt to divine whether summer time is in effect
+for the specified time.)
+On successful completion, the values of the
+.B tm_wday
+and
+.B tm_yday
+components of the structure are set appropriately,
+and the other components are set to represent the specified calendar time,
+but with their values forced to their normal ranges; the final value of
+.B tm_mday
+is not set until
+.B tm_mon
+and
+.B tm_year
+are determined.
+.I Mktime\^
+returns the specified calendar time;
+If the calendar time cannot be represented,
+it returns
+.BR -1 .
+.PP
+.I Difftime\^
+returns the difference between two calendar times,
+.RI ( time1
+-
+.IR time0 ),
+expressed in seconds.
+.PP
+Declarations of all the functions and externals, and the ``tm'' structure,
+are in the
+.B \^
+header file.
+The structure (of type)
+.B struct tm
+includes the following fields:
+.RS
+.PP
+.nf
+.ta .5i +\w'long tm_gmtoff;\0\0'u
+	int tm_sec;	/\(** seconds (0 - 60) \(**/
+	int tm_min;	/\(** minutes (0 - 59) \(**/
+	int tm_hour;	/\(** hours (0 - 23) \(**/
+	int tm_mday;	/\(** day of month (1 - 31) \(**/
+	int tm_mon;	/\(** month of year (0 - 11) \(**/
+	int tm_year;	/\(** year \- 1900 \(**/
+	int tm_wday;	/\(** day of week (Sunday = 0) \(**/
+	int tm_yday;	/\(** day of year (0 - 365) \(**/
+	int tm_isdst;	/\(** is summer time in effect? \(**/
+	char \(**tm_zone;	/\(** abbreviation of timezone name \(**/
+	long tm_gmtoff;	/\(** offset from UTC in seconds \(**/
+.fi
+.RE
+.PP
+The
+.I tm_zone
+and
+.I tm_gmtoff
+fields exist, and are filled in, only if arrangements to do
+so were made when the library containing these functions was
+created.
+There is no guarantee that these fields will continue to exist
+in this form in future releases of this code.
+.PP
+.I Tm_isdst\^
+is non-zero if summer time is in effect.
+.PP
+.I Tm_gmtoff
+is the offset (in seconds) of the time represented
+from UTC, with positive values indicating east
+of the Prime Meridian.
+.SH FILES
+.ta \w'/usr/local/etc/zoneinfo/posixrules\0\0'u
+/usr/local/etc/zoneinfo	time zone information directory
+.br
+/usr/local/etc/zoneinfo/localtime	local time zone file
+.br
+/usr/local/etc/zoneinfo/posixrules	used with POSIX-style TZ's
+.br
+/usr/local/etc/zoneinfo/GMT	for UTC leap seconds
+.sp
+If
+.B /usr/local/etc/zoneinfo/GMT
+is absent,
+UTC leap seconds are loaded from
+.BR /usr/local/etc/zoneinfo/posixrules .
+.SH SEE ALSO
+getenv(3),
+newstrftime(3),
+newtzset(3),
+time(2),
+tzfile(5)
+.SH NOTES
+The return values point to static data;
+the data is overwritten by each call.
+The
+.B tm_zone
+field of a returned
+.B "struct tm"
+points to a static array of characters, which
+will also be overwritten at the next call
+(and by calls to
+.IR tzset ).
+.PP
+.I Asctime\^
+and
+.I ctime\^
+behave strangely for years before 1000 or after 9999.
+The 1989 and 1999 editions of the C Standard say
+that years from \-99 through 999 are converted without
+extra spaces, but this conflicts with longstanding
+tradition and with this implementation.
+Traditional implementations of these two functions are
+restricted to years in the range 1900 through 2099.
+To avoid this portability mess, new programs should use
+.I strftime\^
+instead.
+.PP
+Avoid using out-of-range values with
+.I mktime
+when setting up lunch with promptness sticklers in Riyadh.
+.\" @(#)newctime.3	7.17
diff --git a/commands/zoneinfo/newctime.3.txt b/commands/zoneinfo/newctime.3.txt
new file mode 100644
index 000000000..b9f3be811
--- /dev/null
+++ b/commands/zoneinfo/newctime.3.txt
@@ -0,0 +1,147 @@
+NAME
+
+     asctime, ctime, difftime, gmtime, localtime, mktime -
+     convert date and time to ASCII
+
+SYNOPSIS
+     extern char *tzname[2];
+
+     void tzset()
+
+     #include 
+
+     char *ctime(clock)
+     const time_t *clock;
+
+     double difftime(time1, time0)
+     time_t time1;
+     time_t time0;
+
+     #include 
+
+     char *asctime(tm)
+     const struct tm *tm;
+
+     struct tm *localtime(clock)
+     const time_t *clock;
+
+     struct tm *gmtime(clock)
+     const time_t *clock;
+
+     time_t mktime(tm)
+     struct tm *tm;
+
+     cc ... -ltz
+
+DESCRIPTION
+     Ctime converts a long integer, pointed to by clock,
+     representing the time in seconds since 00:00:00 UTC, 1970-
+     01-01, and returns a pointer to a string of the form
+                     Thu Nov 24 18:22:48 1986\n\0
+     Years requiring fewer than four characters are padded with
+     leading zeroes.  For years longer than four characters, the
+     string is of the form
+                  Thu Nov 24 18:22:48     81986\n\0
+     with five spaces before the year.  These unusual formats are
+     designed to make it less likely that older software that
+     expects exactly 26 bytes of output will mistakenly output
+     misleading values for out-of-range years.
+
+     Localtime and gmtime return pointers to ``tm'' structures,
+     described below.  Localtime corrects for the time zone and
+     any time zone adjustments (such as Daylight Saving Time in
+     the United States).  After filling in the ``tm'' structure,
+     localtime sets the tm_isdst'th element of tzname to a
+     pointer to an ASCII string that's the time zone abbreviation
+     to be used with localtime's return value.
+
+     Gmtime converts to Coordinated Universal Time.
+
+     Asctime converts a time value contained in a ``tm''
+     structure to a string, as shown in the above example, and
+     returns a pointer to the string.
+
+     Mktime converts the broken-down time, expressed as local
+     time, in the structure pointed to by tm into a calendar time
+     value with the same encoding as that of the values returned
+     by the time function.  The original values of the tm_wday
+     and tm_yday components of the structure are ignored, and the
+     original values of the other components are not restricted
+     to their normal ranges.  (A positive or zero value for
+     tm_isdst causes mktime to presume initially that summer time
+     (for example, Daylight Saving Time in the U.S.A.)
+     respectively, is or is not in effect for the specified time.
+     A negative value for tm_isdst causes the mktime function to
+     attempt to divine whether summer time is in effect for the
+     specified time.)  On successful completion, the values of
+     the tm_wday and tm_yday components of the structure are set
+     appropriately, and the other components are set to represent
+     the specified calendar time, but with their values forced to
+     their normal ranges; the final value of tm_mday is not set
+     until tm_mon and tm_year are determined.  Mktime returns the
+     specified calendar time; If the calendar time cannot be
+     represented, it returns -1.
+
+     Difftime returns the difference between two calendar times,
+     (time1 - time0), expressed in seconds.
+
+     Declarations of all the functions and externals, and the
+     ``tm'' structure, are in the  header file.  The
+     structure (of type) struct tm includes the following fields:
+
+               int tm_sec;      /* seconds (0 - 60) */
+               int tm_min;      /* minutes (0 - 59) */
+               int tm_hour;     /* hours (0 - 23) */
+               int tm_mday;     /* day of month (1 - 31) */
+               int tm_mon;      /* month of year (0 - 11) */
+               int tm_year;     /* year - 1900 */
+               int tm_wday;     /* day of week (Sunday = 0) */
+               int tm_yday;     /* day of year (0 - 365) */
+               int tm_isdst;    /* is summer time in effect? */
+               char *tm_zone;   /* abbreviation of timezone name */
+               long tm_gmtoff;  /* offset from UTC in seconds */
+
+     The tm_zone and tm_gmtoff fields exist, and are filled in,
+     only if arrangements to do so were made when the library
+     containing these functions was created.  There is no
+     guarantee that these fields will continue to exist in this
+     form in future releases of this code.
+
+     Tm_isdst is non-zero if summer time is in effect.
+
+     Tm_gmtoff is the offset (in seconds) of the time represented
+     from UTC, with positive values indicating east of the Prime
+     Meridian.
+
+FILES
+     /usr/local/etc/zoneinfo             time zone information
+     directory
+     /usr/local/etc/zoneinfo/localtime   local time zone file
+     /usr/local/etc/zoneinfo/posixrules  used with POSIX-style
+     TZ's
+     /usr/local/etc/zoneinfo/GMT         for UTC leap seconds
+
+     If /usr/local/etc/zoneinfo/GMT is absent, UTC leap seconds
+     are loaded from /usr/local/etc/zoneinfo/posixrules.
+
+SEE ALSO
+     getenv(3), newstrftime(3), newtzset(3), time(2), tzfile(5)
+
+NOTES
+     The return values point to static data; the data is
+     overwritten by each call.  The tm_zone field of a returned
+     struct tm points to a static array of characters, which will
+     also be overwritten at the next call (and by calls to
+     tzset).
+
+     Asctime and ctime behave strangely for years before 1000 or
+     after 9999.  The 1989 and 1999 editions of the C Standard
+     say that years from -99 through 999 are converted without
+     extra spaces, but this conflicts with longstanding tradition
+     and with this implementation.  Traditional implementations
+     of these two functions are restricted to years in the range
+     1900 through 2099.  To avoid this portability mess, new
+     programs should use strftime instead.
+
+     Avoid using out-of-range values with mktime when setting up
+     lunch with promptness sticklers in Riyadh.
diff --git a/commands/zoneinfo/newstrftime.3 b/commands/zoneinfo/newstrftime.3
new file mode 100644
index 000000000..19db8ea14
--- /dev/null
+++ b/commands/zoneinfo/newstrftime.3
@@ -0,0 +1,230 @@
+.\" Based on the UCB file whose copyright information appears below.
+.\" Copyright (c) 1989, 1991 The Regents of the University of California.
+.\" All rights reserved.
+.\"
+.\" This code is derived from software contributed to Berkeley by
+.\" the American National Standards Committee X3, on Information
+.\" Processing Systems.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"	This product includes software developed by the University of
+.\"	California, Berkeley and its contributors.
+.\" 4. Neither the name of the University nor the names of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\"     from: @(#)strftime.3	5.12 (Berkeley) 6/29/91
+.\"	$Id: strftime.3,v 1.4 1993/12/15 20:33:00 jtc Exp $
+.\"
+.TH NEWSTRFTIME 3
+.SH NAME
+strftime \- format date and time
+.SH SYNOPSIS
+.nf
+.B #include 
+.B #include 
+.PP
+.B size_t strftime(buf, maxsize, format, timeptr)
+.B char *buf;
+.B size_t maxsize;
+.B const char *format;
+.B const struct tm *timeptr
+.PP
+.B cc ... -ltz
+.fi
+.SH DESCRIPTION
+The
+.I strftime\^
+function formats the information from
+.I timeptr\^
+into the buffer
+.I buf\^
+according to the string pointed to by
+.IR format\^ .
+.PP
+The
+.I format\^
+string consists of zero or more conversion specifications and
+ordinary characters.
+All ordinary characters are copied directly into the buffer.
+A conversion specification consists of a percent sign
+.Ql %
+and one other character.
+.PP
+No more than
+.I maxsize\^
+characters are be placed into the array.
+If the total number of resulting characters, including the terminating
+null character, is not more than
+.IR maxsize\^ ,
+.I strftime\^
+returns the number of characters in the array, not counting the
+terminating null.
+Otherwise, zero is returned.
+.PP
+Each conversion specification is replaced by the characters as
+follows which are then copied into the buffer.
+.TP
+%A
+is replaced by the locale's full weekday name.
+.TP
+%a
+is replaced by the locale's abbreviated weekday name.
+.TP
+%B
+is replaced by the locale's full month name.
+.TP
+%b or %h
+is replaced by the locale's abbreviated month name.
+.TP
+%C
+is replaced by the century (a year divided by 100 and truncated to an integer)
+as a decimal number (00-99).
+.TP
+%c
+is replaced by the locale's appropriate date and time representation.
+.TP
+%D
+is replaced by the date in the format %m/%d/%y.
+.TP
+%d
+is replaced by the day of the month as a decimal number (01-31).
+.TP
+%e
+is replaced by the day of month as a decimal number (1-31);
+single digits are preceded by a blank.
+.TP
+%F
+is replaced by the date in the format %Y-%m-%d.
+.TP
+%G
+is replaced by the ISO 8601 year with century as a decimal number.
+.TP
+%g
+is replaced by the ISO 8601 year without century as a decimal number (00-99).
+.TP
+%H
+is replaced by the hour (24-hour clock) as a decimal number (00-23).
+.TP
+%I
+is replaced by the hour (12-hour clock) as a decimal number (01-12).
+.TP
+%j
+is replaced by the day of the year as a decimal number (001-366).
+.TP
+%k
+is replaced by the hour (24-hour clock) as a decimal number (0-23);
+single digits are preceded by a blank.
+.TP
+%l
+is replaced by the hour (12-hour clock) as a decimal number (1-12);
+single digits are preceded by a blank.
+.TP
+%M
+is replaced by the minute as a decimal number (00-59).
+.TP
+%m
+is replaced by the month as a decimal number (01-12).
+.TP
+%n
+is replaced by a newline.
+.TP
+%p
+is replaced by the locale's equivalent of either AM or PM.
+.TP
+%R
+is replaced by the time in the format %H:%M.
+.TP
+%r
+is replaced by the locale's representation of 12-hour clock time
+using AM/PM notation.
+.TP
+%S
+is replaced by the second as a decimal number (00-60).
+.TP
+%s
+is replaced by the number of seconds since the Epoch, UTC (see mktime(3)).
+.TP
+%T
+is replaced by the time in the format %H:%M:%S.
+.TP
+%t
+is replaced by a tab.
+.TP
+%U
+is replaced by the week number of the year (Sunday as the first day of
+the week) as a decimal number (00-53).
+.TP
+%u
+is replaced by the weekday (Monday as the first day of the week)
+as a decimal number (1-7).
+.TP
+%V
+is replaced by the week number of the year (Monday as the first day of
+the week) as a decimal number (01-53).  If the week containing January
+1 has four or more days in the new year, then it is week 1; otherwise
+it is week 53 of the previous year, and the next week is week 1.
+.TP
+%W
+is replaced by the week number of the year (Monday as the first day of
+the week) as a decimal number (00-53).
+.TP
+%w
+is replaced by the weekday (Sunday as the first day of the week)
+as a decimal number (0-6).
+.TP
+%X
+is replaced by the locale's appropriate time representation.
+.TP
+%x
+is replaced by the locale's appropriate date representation.
+.TP
+%Y
+is replaced by the year with century as a decimal number.
+.TP
+%y
+is replaced by the year without century as a decimal number (00-99).
+.TP
+%Z
+is replaced by the time zone name,
+or by the empty string if this is not determinable.
+.TP
+%z
+is replaced by the offset from UTC in the format +HHMM or -HHMM as appropriate,
+with positive values representing locations east of Greenwich,
+or by the empty string if this is not determinable.
+.TP
+%%
+is replaced by a single %.
+.TP
+%+
+is replaced by the date and time in date(1) format.
+.SH SEE ALSO
+date(1),
+getenv(3),
+newctime(3),
+newtzset(3),
+time(2),
+tzfile(5)
+.\" @(#)newstrftime.3	7.15
diff --git a/commands/zoneinfo/newstrftime.3.txt b/commands/zoneinfo/newstrftime.3.txt
new file mode 100644
index 000000000..29ef78b2f
--- /dev/null
+++ b/commands/zoneinfo/newstrftime.3.txt
@@ -0,0 +1,152 @@
+NAME
+
+     strftime - format date and time
+
+SYNOPSIS
+     #include 
+     #include 
+
+     size_t strftime(buf, maxsize, format, timeptr)
+     char *buf;
+     size_t maxsize;
+     const char *format;
+     const struct tm *timeptr
+
+     cc ... -ltz
+
+DESCRIPTION
+     The strftime function formats the information from timeptr
+     into the buffer buf according to the string pointed to by
+     format.
+
+     The format string consists of zero or more conversion
+     specifications and ordinary characters.  All ordinary
+     characters are copied directly into the buffer.  A
+     conversion specification consists of a percent sign and one
+     other character.
+
+     No more than maxsize characters are be placed into the
+     array.  If the total number of resulting characters,
+     including the terminating null character, is not more than
+     maxsize, strftime returns the number of characters in the
+     array, not counting the terminating null.  Otherwise, zero
+     is returned.
+
+     Each conversion specification is replaced by the characters
+     as follows which are then copied into the buffer.
+
+     %A   is replaced by the locale's full weekday name.
+
+     %a   is replaced by the locale's abbreviated weekday name.
+
+     %B   is replaced by the locale's full month name.
+
+     %b or %h
+          is replaced by the locale's abbreviated month name.
+
+     %C   is replaced by the century (a year divided by 100 and
+          truncated to an integer) as a decimal number (00-99).
+
+     %c   is replaced by the locale's appropriate date and time
+          representation.
+
+     %D   is replaced by the date in the format %m/%d/%y.
+
+     %d   is replaced by the day of the month as a decimal number
+          (01-31).
+
+     %e   is replaced by the day of month as a decimal number
+          (1-31); single digits are preceded by a blank.
+
+     %F   is replaced by the date in the format %Y-%m-%d.
+
+     %G   is replaced by the ISO 8601 year with century as a
+          decimal number.
+
+     %g   is replaced by the ISO 8601 year without century as a
+          decimal number (00-99).
+
+     %H   is replaced by the hour (24-hour clock) as a decimal
+          number (00-23).
+
+     %I   is replaced by the hour (12-hour clock) as a decimal
+          number (01-12).
+
+     %j   is replaced by the day of the year as a decimal number
+          (001-366).
+
+     %k   is replaced by the hour (24-hour clock) as a decimal
+          number (0-23); single digits are preceded by a blank.
+
+     %l   is replaced by the hour (12-hour clock) as a decimal
+          number (1-12); single digits are preceded by a blank.
+
+     %M   is replaced by the minute as a decimal number (00-59).
+
+     %m   is replaced by the month as a decimal number (01-12).
+
+     %n   is replaced by a newline.
+
+     %p   is replaced by the locale's equivalent of either AM or
+          PM.
+
+     %R   is replaced by the time in the format %H:%M.
+
+     %r   is replaced by the locale's representation of 12-hour
+          clock time using AM/PM notation.
+
+     %S   is replaced by the second as a decimal number (00-60).
+
+     %s   is replaced by the number of seconds since the Epoch,
+          UTC (see mktime(3)).
+
+     %T   is replaced by the time in the format %H:%M:%S.
+
+     %t   is replaced by a tab.
+
+     %U   is replaced by the week number of the year (Sunday as
+          the first day of the week) as a decimal number (00-53).
+
+     %u   is replaced by the weekday (Monday as the first day of
+          the week) as a decimal number (1-7).
+
+     %V   is replaced by the week number of the year (Monday as
+          the first day of the week) as a decimal number (01-53).
+          If the week containing January 1 has four or more days
+          in the new year, then it is week 1; otherwise it is
+          week 53 of the previous year, and the next week is week
+          1.
+
+     %W   is replaced by the week number of the year (Monday as
+          the first day of the week) as a decimal number (00-53).
+
+     %w   is replaced by the weekday (Sunday as the first day of
+          the week) as a decimal number (0-6).
+
+     %X   is replaced by the locale's appropriate time
+          representation.
+
+     %x   is replaced by the locale's appropriate date
+          representation.
+
+     %Y   is replaced by the year with century as a decimal
+          number.
+
+     %y   is replaced by the year without century as a decimal
+          number (00-99).
+
+     %Z   is replaced by the time zone name, or by the empty
+          string if this is not determinable.
+
+     %z   is replaced by the offset from UTC in the format +HHMM
+          or -HHMM as appropriate, with positive values
+          representing locations east of Greenwich, or by the
+          empty string if this is not determinable.
+
+     %%   is replaced by a single %.
+
+     %+   is replaced by the date and time in date(1) format.
+
+SEE ALSO
+     date(1), getenv(3), newctime(3), newtzset(3), time(2),
+     tzfile(5)
diff --git a/commands/zoneinfo/newtzset.3 b/commands/zoneinfo/newtzset.3
new file mode 100644
index 000000000..427e4735a
--- /dev/null
+++ b/commands/zoneinfo/newtzset.3
@@ -0,0 +1,237 @@
+.TH NEWTZSET 3
+.SH NAME
+tzset \- initialize time conversion information
+.SH SYNOPSIS
+.nf
+.B void tzset()
+.PP
+.B cc ... -ltz
+.fi
+.SH DESCRIPTION
+.I Tzset
+uses the value of the environment variable
+.B TZ
+to set time conversion information used by
+.IR localtime .
+If
+.B TZ
+does not appear in the environment,
+the best available approximation to local wall clock time, as specified
+by the
+.IR tzfile (5)-format
+file
+.B localtime
+in the system time conversion information directory, is used by
+.IR localtime .
+If
+.B TZ
+appears in the environment but its value is a null string,
+Coordinated Universal Time (UTC) is used (without leap second
+correction).  If
+.B TZ
+appears in the environment and its value is not a null string:
+.IP
+if the value begins with a colon, it is used as a pathname of a file
+from which to read the time conversion information;
+.IP
+if the value does not begin with a colon, it is first used as the
+pathname of a file from which to read the time conversion information,
+and, if that file cannot be read, is used directly as a specification of
+the time conversion information.
+.PP
+When
+.B TZ
+is used as a pathname, if it begins with a slash,
+it is used as an absolute pathname; otherwise,
+it is used as a pathname relative to a system time conversion information
+directory.
+The file must be in the format specified in
+.IR tzfile (5).
+.PP
+When
+.B TZ
+is used directly as a specification of the time conversion information,
+it must have the following syntax (spaces inserted for clarity):
+.IP
+\fIstd\|offset\fR[\fIdst\fR[\fIoffset\fR][\fB,\fIrule\fR]]
+.PP
+Where:
+.RS
+.TP 15
+.IR std " and " dst
+Three or more bytes that are the designation for the standard
+.RI ( std )
+or summer
+.RI ( dst )
+time zone.  Only
+.I std
+is required; if
+.I dst
+is missing, then summer time does not apply in this locale.
+Upper- and lowercase letters are explicitly allowed.  Any characters
+except a leading colon
+.RB ( : ),
+digits, comma
+.RB ( , ),
+minus
+.RB ( \(mi ),
+plus
+.RB ( \(pl ),
+and ASCII NUL are allowed.
+.TP
+.I offset
+Indicates the value one must add to the local time to arrive at
+Coordinated Universal Time.  The
+.I offset
+has the form:
+.RS
+.IP
+\fIhh\fR[\fB:\fImm\fR[\fB:\fIss\fR]]
+.RE
+.IP
+The minutes
+.RI ( mm )
+and seconds
+.RI ( ss )
+are optional.  The hour
+.RI ( hh )
+is required and may be a single digit.  The
+.I offset
+following
+.I std
+is required.  If no
+.I offset
+follows
+.IR dst ,
+summer time is assumed to be one hour ahead of standard time.  One or
+more digits may be used; the value is always interpreted as a decimal
+number.  The hour must be between zero and 24, and the minutes (and
+seconds) \(em if present \(em between zero and 59.  If preceded by a
+.RB `` \(mi '',
+the time zone shall be east of the Prime Meridian; otherwise it shall be
+west (which may be indicated by an optional preceding
+.RB `` \(pl '').
+.TP
+.I rule
+Indicates when to change to and back from summer time.  The
+.I rule
+has the form:
+.RS
+.IP
+\fIdate\fB/\fItime\fB,\fIdate\fB/\fItime\fR
+.RE
+.IP
+where the first
+.I date
+describes when the change from standard to summer time occurs and the
+second
+.I date
+describes when the change back happens.  Each
+.I time
+field describes when, in current local time, the change to the other
+time is made.
+.IP
+The format of
+.I date
+is one of the following:
+.RS
+.TP 10
+.BI J n
+The Julian day
+.I n
+.RI "(1\ \(<=" "\ n\ " "\(<=\ 365).
+Leap days are not counted; that is, in all years \(em including leap
+years \(em February 28 is day 59 and March 1 is day 60.  It is
+impossible to explicitly refer to the occasional February 29.
+.TP
+.I n
+The zero-based Julian day
+.RI "(0\ \(<=" "\ n\ " "\(<=\ 365).
+Leap days are counted, and it is possible to refer to February 29.
+.TP
+.BI M m . n . d
+The
+.IR d' th
+day
+.RI "(0\ \(<=" "\ d\ " "\(<=\ 6)
+of week
+.I n
+of month
+.I m
+of the year
+.RI "(1\ \(<=" "\ n\ " "\(<=\ 5,
+.RI "1\ \(<=" "\ m\ " "\(<=\ 12,
+where week 5 means ``the last
+.I d
+day in month
+.IR m ''
+which may occur in either the fourth or the fifth week).  Week 1 is the
+first week in which the
+.IR d' th
+day occurs.  Day zero is Sunday.
+.RE
+.IP "" 15
+The
+.I time
+has the same format as
+.I offset
+except that no leading sign
+.RB (`` \(mi ''
+or
+.RB `` \(pl '')
+is allowed.  The default, if
+.I time
+is not given, is
+.BR 02:00:00 .
+.RE
+.LP
+If no
+.I rule
+is present in
+.BR TZ ,
+the rules specified
+by the
+.IR tzfile (5)-format
+file
+.B posixrules
+in the system time conversion information directory are used, with the
+standard and summer time offsets from UTC replaced by those specified by
+the
+.I offset
+values in
+.BR TZ .
+.PP
+For compatibility with System V Release 3.1, a semicolon
+.RB ( ; )
+may be used to separate the
+.I rule
+from the rest of the specification.
+.PP
+If the
+.B TZ
+environment variable does not specify a
+.IR tzfile (5)-format
+and cannot be interpreted as a direct specification,
+UTC is used.
+.SH FILES
+.ta \w'/usr/local/etc/zoneinfo/posixrules\0\0'u
+/usr/local/etc/zoneinfo	time zone information directory
+.br
+/usr/local/etc/zoneinfo/localtime	local time zone file
+.br
+/usr/local/etc/zoneinfo/posixrules	used with POSIX-style TZ's
+.br
+/usr/local/etc/zoneinfo/GMT	for UTC leap seconds
+.sp
+If
+.B /usr/local/etc/zoneinfo/GMT
+is absent,
+UTC leap seconds are loaded from
+.BR /usr/local/etc/zoneinfo/posixrules .
+.SH SEE ALSO
+getenv(3),
+newctime(3),
+newstrftime(3),
+time(2),
+tzfile(5)
+.\" @(#)newtzset.3	7.5
diff --git a/commands/zoneinfo/newtzset.3.txt b/commands/zoneinfo/newtzset.3.txt
new file mode 100644
index 000000000..0c0f72ff8
--- /dev/null
+++ b/commands/zoneinfo/newtzset.3.txt
@@ -0,0 +1,153 @@
+NAME
+
+     tzset - initialize time conversion information
+
+SYNOPSIS
+     void tzset()
+
+     cc ... -ltz
+
+DESCRIPTION
+     Tzset uses the value of the environment variable TZ to set
+     time conversion information used by localtime.  If TZ does
+     not appear in the environment, the best available
+     approximation to local wall clock time, as specified by the
+     tzfile(5)-format file localtime in the system time
+     conversion information directory, is used by localtime.  If
+     TZ appears in the environment but its value is a null
+     string, Coordinated Universal Time (UTC) is used (without
+     leap second correction).  If TZ appears in the environment
+     and its value is not a null string:
+
+          if the value begins with a colon, it is used as a
+          pathname of a file from which to read the time
+          conversion information;
+
+          if the value does not begin with a colon, it is first
+          used as the pathname of a file from which to read the
+          time conversion information, and, if that file cannot
+          be read, is used directly as a specification of the
+          time conversion information.
+
+     When TZ is used as a pathname, if it begins with a slash, it
+     is used as an absolute pathname; otherwise, it is used as a
+     pathname relative to a system time conversion information
+     directory.  The file must be in the format specified in
+     tzfile(5).
+
+     When TZ is used directly as a specification of the time
+     conversion information, it must have the following syntax
+     (spaces inserted for clarity):
+
+          stdoffset[dst[offset][,rule]]
+
+     Where:
+
+          std and dst    Three or more bytes that are the
+                         designation for the standard (std) or
+                         summer (dst) time zone.  Only std is
+                         required; if dst is missing, then summer
+                         time does not apply in this locale.
+                         Upper- and lowercase letters are
+                         explicitly allowed.  Any characters
+                         except a leading colon (:), digits,
+                         comma (,), minus (-), plus (+), and
+                         ASCII NUL are allowed.
+
+          offset         Indicates the value one must add to the
+                         local time to arrive at Coordinated
+                         Universal Time.  The offset has the
+                         form:
+
+                              hh[:mm[:ss]]
+
+                         The minutes (mm) and seconds (ss) are
+                         optional.  The hour (hh) is required and
+                         may be a single digit.  The offset
+                         following std is required.  If no offset
+                         follows dst, summer time is assumed to
+                         be one hour ahead of standard time.  One
+                         or more digits may be used; the value is
+                         always interpreted as a decimal number.
+                         The hour must be between zero and 24,
+                         and the minutes (and seconds) - if
+                         present - between zero and 59.  If
+                         preceded by a ``-'', the time zone shall
+                         be east of the Prime Meridian; otherwise
+                         it shall be west (which may be indicated
+                         by an optional preceding ``+'').
+
+          rule           Indicates when to change to and back
+                         from summer time.  The rule has the
+                         form:
+
+                              date/time,date/time
+
+                         where the first date describes when the
+                         change from standard to summer time
+                         occurs and the second date describes
+                         when the change back happens.  Each time
+                         field describes when, in current local
+                         time, the change to the other time is
+                         made.
+
+                         The format of date is one of the
+                         following:
+
+                         Jn        The Julian day n
+                                   (1 < n < 365).  Leap days are
+                                   not counted; that is, in all
+                                   years - including leap years -
+                                   February 28 is day 59 and
+                                   March 1 is day 60.  It is
+                                   impossible to explicitly refer
+                                   to the occasional February 29.
+
+                         n         The zero-based Julian day
+                                   (0 < n < 365).  Leap days are
+                                   counted, and it is possible to
+                                   refer to February 29.
+
+                         Mm.n.d    The d'th day (0 < d < 6) of
+                                   week n of month m of the year
+                                   (1 < n < 5, 1 < m < 12, where
+                                   week 5 means ``the last d day
+                                   in month m'' which may occur
+                                   in either the fourth or the
+                                   fifth week).  Week 1 is the
+                                   first week in which the d'th
+                                   day occurs.  Day zero is
+                                   Sunday.
+
+                         The time has the same format as offset
+                         except that no leading sign (``-'' or
+                         ``+'') is allowed.  The default, if time
+                         is not given, is 02:00:00.
+
+     If no rule is present in TZ, the rules specified by the
+     tzfile(5)-format file posixrules in the system time
+     conversion information directory are used, with the standard
+     and summer time offsets from UTC replaced by those specified
+     by the offset values in TZ.
+
+     For compatibility with System V Release 3.1, a semicolon (;)
+     may be used to separate the rule from the rest of the
+     specification.
+
+     If the TZ environment variable does not specify a
+     tzfile(5)-format and cannot be interpreted as a direct
+     specification, UTC is used.
+
+FILES
+     /usr/local/etc/zoneinfo             time zone information
+     directory
+     /usr/local/etc/zoneinfo/localtime   local time zone file
+     /usr/local/etc/zoneinfo/posixrules  used with POSIX-style
+     TZ's
+     /usr/local/etc/zoneinfo/GMT         for UTC leap seconds
+
+     If /usr/local/etc/zoneinfo/GMT is absent, UTC leap seconds
+     are loaded from /usr/local/etc/zoneinfo/posixrules.
+
+SEE ALSO
+     getenv(3), newctime(3), newstrftime(3), time(2), tzfile(5)
diff --git a/commands/zoneinfo/northamerica b/commands/zoneinfo/northamerica
new file mode 100644
index 000000000..3184b7bdf
--- /dev/null
+++ b/commands/zoneinfo/northamerica
@@ -0,0 +1,2537 @@
+# @(#)northamerica	8.15
+# 
+
+# also includes Central America and the Caribbean
+
+# This data is by no means authoritative; if you think you know better,
+# go ahead and edit the file (and please send any changes to
+# tz@elsie.nci.nih.gov for general use in the future).
+
+# From Paul Eggert (1999-03-22):
+# A reliable and entertaining source about time zones is
+# Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997).
+
+###############################################################################
+
+# United States
+
+# From Paul Eggert (1999-03-31):
+# Howse writes (pp 121-125) that time zones were invented by
+# Professor Charles Ferdinand Dowd (1825-1904),
+# Principal of Temple Grove Ladies' Seminary (Saratoga Springs, NY).
+# His pamphlet ``A System of National Time for Railroads'' (1870)
+# was the result of his proposals at the Convention of Railroad Trunk Lines
+# in New York City (1869-10).  His 1870 proposal was based on Washington, DC,
+# but in 1872-05 he moved the proposed origin to Greenwich.
+# His proposal was adopted by the railroads on 1883-11-18 at 12:00,
+# and the most of the country soon followed suit.
+
+# From Paul Eggert (2005-04-16):
+# That 1883 transition occurred at 12:00 new time, not at 12:00 old time.
+# See p 46 of David Prerau, Seize the daylight, Thunder's Mouth Press (2005).
+
+# From Paul Eggert (2006-03-22):
+# A good source for time zone historical data in the US is
+# Thomas G. Shanks, The American Atlas (5th edition),
+# San Diego: ACS Publications, Inc. (1991).
+# Make sure you have the errata sheet; the book is somewhat useless without it.
+# It is the source for most of the pre-1991 US entries below.
+
+# From Paul Eggert (2001-03-06):
+# Daylight Saving Time was first suggested as a joke by Benjamin Franklin
+# in his whimsical essay ``An Economical Project for Diminishing the Cost
+# of Light'' published in the Journal de Paris (1784-04-26).
+# Not everyone is happy with the results:
+#
+#	I don't really care how time is reckoned so long as there is some
+#	agreement about it, but I object to being told that I am saving
+#	daylight when my reason tells me that I am doing nothing of the kind.
+#	I even object to the implication that I am wasting something
+#	valuable if I stay in bed after the sun has risen.  As an admirer
+#	of moonlight I resent the bossy insistence of those who want to
+#	reduce my time for enjoying it.  At the back of the Daylight Saving
+#	scheme I detect the bony, blue-fingered hand of Puritanism, eager
+#	to push people into bed earlier, and get them up earlier, to make
+#	them healthy, wealthy and wise in spite of themselves.
+#
+#	-- Robertson Davies, The diary of Samuel Marchbanks,
+#	   Clarke, Irwin (1947), XIX, Sunday
+#
+# For more about the first ten years of DST in the United States, see
+# Robert Garland's 
+# Ten years of daylight saving from the Pittsburgh standpoint
+# (Carnegie Library of Pittsburgh, 1927).
+#
+# Shanks says that DST was called "War Time" in the US in 1918 and 1919.
+# However, DST was imposed by the Standard Time Act of 1918, which
+# was the first nationwide legal time standard, and apparently
+# time was just called "Standard Time" or "Daylight Saving Time".
+
+# From Arthur David Olson:
+# US Daylight Saving Time ended on the last Sunday of *October* in 1974.
+# See, for example, the front page of the Saturday, 1974-10-26
+# and Sunday, 1974-10-27 editions of the Washington Post.
+
+# From Arthur David Olson:
+# Before the Uniform Time Act of 1966 took effect in 1967, observance of
+# Daylight Saving Time in the US was by local option, except during wartime.
+
+# From Arthur David Olson (2000-09-25):
+# Last night I heard part of a rebroadcast of a 1945 Arch Oboler radio drama.
+# In the introduction, Oboler spoke of "Eastern Peace Time."
+# An AltaVista search turned up
+# :
+# "When the time is announced over the radio now, it is 'Eastern Peace
+# Time' instead of the old familiar 'Eastern War Time.'  Peace is wonderful."
+#  (August 1945) by way of confirmation.
+
+# From Joseph Gallant citing
+# George H. Douglas, _The Early Days of Radio Broadcasting_ (1987):
+# At 7 P.M. (Eastern War Time) [on 1945-08-14], the networks were set
+# to switch to London for Attlee's address, but the American people
+# never got to hear his speech live. According to one press account,
+# CBS' Bob Trout was first to announce the word of Japan's surrender,
+# but a few seconds later, NBC, ABC and Mutual also flashed the word
+# of surrender, all of whom interrupting the bells of Big Ben in
+# London which were to precede Mr. Attlee's speech.
+
+# From Paul Eggert (2003-02-09): It was Robert St John, not Bob Trout.  From
+# Myrna Oliver's obituary of St John on page B16 of today's Los Angeles Times:
+#
+# ... a war-weary U.S. clung to radios, awaiting word of Japan's surrender.
+# Any announcement from Asia would reach St. John's New York newsroom on a
+# wire service teletype machine, which had prescribed signals for major news.
+# Associated Press, for example, would ring five bells before spewing out
+# typed copy of an important story, and 10 bells for news "of transcendental
+# importance."
+#
+# On Aug. 14, stalling while talking steadily into the NBC networks' open
+# microphone, St. John heard five bells and waited only to hear a sixth bell,
+# before announcing confidently: "Ladies and gentlemen, World War II is over.
+# The Japanese have agreed to our surrender terms."
+#
+# He had scored a 20-second scoop on other broadcasters.
+
+# From Arthur David Olson (2005-08-22):
+# Paul has been careful to use the "US" rules only in those locations
+# that are part of the United States; this reflects the real scope of
+# U.S. government action.  So even though the "US" rules have changed
+# in the latest release, other countries won't be affected.
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	US	1918	1919	-	Mar	lastSun	2:00	1:00	D
+Rule	US	1918	1919	-	Oct	lastSun	2:00	0	S
+Rule	US	1942	only	-	Feb	9	2:00	1:00	W # War
+Rule	US	1945	only	-	Aug	14	23:00u	1:00	P # Peace
+Rule	US	1945	only	-	Sep	30	2:00	0	S
+Rule	US	1967	2006	-	Oct	lastSun	2:00	0	S
+Rule	US	1967	1973	-	Apr	lastSun	2:00	1:00	D
+Rule	US	1974	only	-	Jan	6	2:00	1:00	D
+Rule	US	1975	only	-	Feb	23	2:00	1:00	D
+Rule	US	1976	1986	-	Apr	lastSun	2:00	1:00	D
+Rule	US	1987	2006	-	Apr	Sun>=1	2:00	1:00	D
+Rule	US	2007	max	-	Mar	Sun>=8	2:00	1:00	D
+Rule	US	2007	max	-	Nov	Sun>=1	2:00	0	S
+
+# From Arthur David Olson, 2005-12-19
+# We generate the files specified below to guard against old files with
+# obsolete information being left in the time zone binary directory.
+# We limit the list to names that have appeared in previous versions of
+# this time zone package.
+# We do these as separate Zones rather than as Links to avoid problems if
+# a particular place changes whether it observes DST.
+# We put these specifications here in the northamerica file both to
+# increase the chances that they'll actually get compiled and to
+# avoid the need to duplicate the US rules in another file.
+
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	EST		 -5:00	-	EST
+Zone	MST		 -7:00	-	MST
+Zone	HST		-10:00	-	HST
+Zone	EST5EDT		 -5:00	US	E%sT
+Zone	CST6CDT		 -6:00	US	C%sT
+Zone	MST7MDT		 -7:00	US	M%sT
+Zone	PST8PDT		 -8:00	US	P%sT
+
+# From Bob Devine (1988-01-28):
+# ...Alaska (and Hawaii) had the timezone names changed in 1967.
+#    old			 new
+#    Pacific Standard Time(PST)  -same-
+#    Yukon Standard Time(YST)    -same-
+#    Central Alaska S.T. (CAT)   Alaska-Hawaii St[an]dard Time (AHST)
+#    Nome Standard Time (NT)     Bering Standard Time (BST)
+#
+# ...Alaska's timezone lines were redrawn in 1983 to give only 2 tz.
+#    The YST zone now covers nearly all of the state, AHST just part
+#    of the Aleutian islands.   No DST.
+
+# From Paul Eggert (1995-12-19):
+# The tables below use `NST', not `NT', for Nome Standard Time.
+# I invented `CAWT' for Central Alaska War Time.
+
+# From U. S. Naval Observatory (1989-01-19):
+# USA  EASTERN       5 H  BEHIND UTC    NEW YORK, WASHINGTON
+# USA  EASTERN       4 H  BEHIND UTC    APR 3 - OCT 30
+# USA  CENTRAL       6 H  BEHIND UTC    CHICAGO, HOUSTON
+# USA  CENTRAL       5 H  BEHIND UTC    APR 3 - OCT 30
+# USA  MOUNTAIN      7 H  BEHIND UTC    DENVER
+# USA  MOUNTAIN      6 H  BEHIND UTC    APR 3 - OCT 30
+# USA  PACIFIC       8 H  BEHIND UTC    L.A., SAN FRANCISCO
+# USA  PACIFIC       7 H  BEHIND UTC    APR 3 - OCT 30
+# USA  ALASKA STD    9 H  BEHIND UTC    MOST OF ALASKA     (AKST)
+# USA  ALASKA STD    8 H  BEHIND UTC    APR 3 - OCT 30 (AKDT)
+# USA  ALEUTIAN     10 H  BEHIND UTC    ISLANDS WEST OF 170W
+# USA  - " -         9 H  BEHIND UTC    APR 3 - OCT 30
+# USA  HAWAII       10 H  BEHIND UTC
+# USA  BERING       11 H  BEHIND UTC    SAMOA, MIDWAY
+
+# From Arthur David Olson (1989-01-21):
+# The above dates are for 1988.
+# Note the "AKST" and "AKDT" abbreviations, the claim that there's
+# no DST in Samoa, and the claim that there is DST in Alaska and the
+# Aleutians.
+
+# From Arthur David Olson (1988-02-13):
+# Legal standard time zone names, from United States Code (1982 Edition and
+# Supplement III), Title 15, Chapter 6, Section 260 and forward.  First, names
+# up to 1967-04-01 (when most provisions of the Uniform Time Act of 1966
+# took effect), as explained in sections 263 and 261:
+#	(none)
+#	United States standard eastern time
+#	United States standard mountain time
+#	United States standard central time
+#	United States standard Pacific time
+#	(none)
+#	United States standard Alaska time
+#	(none)
+# Next, names from 1967-04-01 until 1983-11-30 (the date for
+# public law 98-181):
+#	Atlantic standard time
+#	eastern standard time
+#	central standard time
+#	mountain standard time
+#	Pacific standard time
+#	Yukon standard time
+#	Alaska-Hawaii standard time
+#	Bering standard time
+# And after 1983-11-30:
+#	Atlantic standard time
+#	eastern standard time
+#	central standard time
+#	mountain standard time
+#	Pacific standard time
+#	Alaska standard time
+#	Hawaii-Aleutian standard time
+#	Samoa standard time
+# The law doesn't give abbreviations.
+#
+# From Paul Eggert (2000-01-08), following a heads-up from Rives McDow:
+# Public law 106-564 (2000-12-23) introduced the abbreviation
+# "Chamorro Standard Time" for time in Guam and the Northern Marianas.
+# See the file "australasia".
+
+# From Arthur David Olson, 2005-08-09
+# The following was signed into law on 2005-08-08.
+#
+# H.R. 6, Energy Policy Act of 2005, SEC. 110. DAYLIGHT SAVINGS.
+#   (a) Amendment- Section 3(a) of the Uniform Time Act of 1966 (15
+#   U.S.C. 260a(a)) is amended--
+#     (1) by striking `first Sunday of April' and inserting `second
+#     Sunday of March'; and
+#     (2) by striking `last Sunday of October' and inserting `first
+#     Sunday of November'.
+#   (b) Effective Date- Subsection (a) shall take effect 1 year after the
+#   date of enactment of this Act or March 1, 2007, whichever is later.
+#   (c) Report to Congress- Not later than 9 months after the effective
+#   date stated in subsection (b), the Secretary shall report to Congress
+#   on the impact of this section on energy consumption in the United
+#   States.
+#   (d) Right to Revert- Congress retains the right to revert the
+#   Daylight Saving Time back to the 2005 time schedules once the
+#   Department study is complete.
+
+# US eastern time, represented by New York
+
+# Connecticut, Delaware, District of Columbia, most of Florida,
+# Georgia, southeast Indiana (Dearborn and Ohio counties), eastern Kentucky
+# (except America/Kentucky/Louisville below), Maine, Maryland, Massachusetts,
+# New Hampshire, New Jersey, New York, North Carolina, Ohio,
+# Pennsylvania, Rhode Island, South Carolina, eastern Tennessee,
+# Vermont, Virginia, West Virginia
+
+# From Dave Cantor (2004-11-02):
+# Early this summer I had the occasion to visit the Mount Washington
+# Observatory weather station atop (of course!) Mount Washington [, NH]....
+# One of the staff members said that the station was on Eastern Standard Time
+# and didn't change their clocks for Daylight Saving ... so that their
+# reports will always have times which are 5 hours behind UTC.
+
+# From Paul Eggert (2005-08-26):
+# According to today's Huntsville Times
+# 
+# a few towns on Alabama's "eastern border with Georgia, such as Phenix City
+# in Russell County, Lanett in Chambers County and some towns in Lee County,
+# set their watches and clocks on Eastern time."  It quotes H.H. "Bubba"
+# Roberts, city administrator in Phenix City. as saying "We are in the Central
+# time zone, but we do go by the Eastern time zone because so many people work
+# in Columbus."
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER
+Rule	NYC	1920	only	-	Mar	lastSun	2:00	1:00	D
+Rule	NYC	1920	only	-	Oct	lastSun	2:00	0	S
+Rule	NYC	1921	1966	-	Apr	lastSun	2:00	1:00	D
+Rule	NYC	1921	1954	-	Sep	lastSun	2:00	0	S
+Rule	NYC	1955	1966	-	Oct	lastSun	2:00	0	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/New_York	-4:56:02 -	LMT	1883 Nov 18 12:03:58
+			-5:00	US	E%sT	1920
+			-5:00	NYC	E%sT	1942
+			-5:00	US	E%sT	1946
+			-5:00	NYC	E%sT	1967
+			-5:00	US	E%sT
+
+# US central time, represented by Chicago
+
+# Alabama, Arkansas, Florida panhandle (Bay, Calhoun, Escambia,
+# Gulf, Holmes, Jackson, Okaloosa, Santa Rosa, Walton, and
+# Washington counties), Illinois, western Indiana
+# (Gibson, Jasper, Lake, LaPorte, Newton, Porter, Posey, Spencer,
+# Vanderburgh, and Warrick counties), Iowa, most of Kansas, western
+# Kentucky, Louisiana, Minnesota, Mississippi, Missouri, eastern
+# Nebraska, eastern North Dakota, Oklahoma, eastern South Dakota,
+# western Tennessee, most of Texas, Wisconsin
+
+# From Larry M. Smith (2006-04-26) re Wisconsin:
+# http://www.legis.state.wi.us/statutes/Stat0175.pdf ...
+# is currently enforced at the 01:00 time of change.  Because the local
+# "bar time" in the state corresponds to 02:00, a number of citations
+# are issued for the "sale of class 'B' alcohol after prohibited
+# hours" within the deviated hour of this change every year....
+#
+# From Douglas R. Bomberg (2007-03-12):
+# Wisconsin has enacted (nearly eleventh-hour) legislation to get WI
+# Statue 175 closer in synch with the US Congress' intent....
+# http://www.legis.state.wi.us/2007/data/acts/07Act3.pdf
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER
+Rule	Chicago	1920	only	-	Jun	13	2:00	1:00	D
+Rule	Chicago	1920	1921	-	Oct	lastSun	2:00	0	S
+Rule	Chicago	1921	only	-	Mar	lastSun	2:00	1:00	D
+Rule	Chicago	1922	1966	-	Apr	lastSun	2:00	1:00	D
+Rule	Chicago	1922	1954	-	Sep	lastSun	2:00	0	S
+Rule	Chicago	1955	1966	-	Oct	lastSun	2:00	0	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Chicago	-5:50:36 -	LMT	1883 Nov 18 12:09:24
+			-6:00	US	C%sT	1920
+			-6:00	Chicago	C%sT	1936 Mar  1 2:00
+			-5:00	-	EST	1936 Nov 15 2:00
+			-6:00	Chicago	C%sT	1942
+			-6:00	US	C%sT	1946
+			-6:00	Chicago	C%sT	1967
+			-6:00	US	C%sT
+# Oliver County, ND switched from mountain to central time on 1992-10-25.
+Zone America/North_Dakota/Center -6:45:12 - LMT	1883 Nov 18 12:14:48
+			-7:00	US	M%sT	1992 Oct 25 02:00
+			-6:00	US	C%sT
+# Morton County, ND, switched from mountain to central time on
+# 2003-10-26, except for the area around Mandan which was already central time.
+# See .
+# Officially this switch also included part of Sioux County, and
+# Jones, Mellette, and Todd Counties in South Dakota;
+# but in practice these other counties were already observing central time.
+# See .
+Zone America/North_Dakota/New_Salem -6:45:39 - LMT 1883 Nov 18 12:14:21
+			-7:00	US	M%sT	2003 Oct 26 02:00
+			-6:00	US	C%sT
+
+# US mountain time, represented by Denver
+#
+# Colorado, far western Kansas, Montana, western
+# Nebraska, Nevada border (Jackpot, Owyhee, and Mountain City),
+# New Mexico, southwestern North Dakota, far eastern Oregon,
+# western South Dakota, far western Texas (El Paso County, Hudspeth County,
+# and Pine Springs and Nickel Creek in Culberson County), Utah, Wyoming
+#
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER
+Rule	Denver	1920	1921	-	Mar	lastSun	2:00	1:00	D
+Rule	Denver	1920	only	-	Oct	lastSun	2:00	0	S
+Rule	Denver	1921	only	-	May	22	2:00	0	S
+Rule	Denver	1965	1966	-	Apr	lastSun	2:00	1:00	D
+Rule	Denver	1965	1966	-	Oct	lastSun	2:00	0	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Denver	-6:59:56 -	LMT	1883 Nov 18 12:00:04
+			-7:00	US	M%sT	1920
+			-7:00	Denver	M%sT	1942
+			-7:00	US	M%sT	1946
+			-7:00	Denver	M%sT	1967
+			-7:00	US	M%sT
+
+# US Pacific time, represented by Los Angeles
+#
+# California, northern Idaho (Benewah, Bonner, Boundary, Clearwater,
+# Idaho, Kootenai, Latah, Lewis, Nez Perce, and Shoshone counties),
+# most of Nevada, most of Oregon, and Washington
+#
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER
+Rule	CA	1948	only	-	Mar	14	2:00	1:00	D
+Rule	CA	1949	only	-	Jan	 1	2:00	0	S
+Rule	CA	1950	1966	-	Apr	lastSun	2:00	1:00	D
+Rule	CA	1950	1961	-	Sep	lastSun	2:00	0	S
+Rule	CA	1962	1966	-	Oct	lastSun	2:00	0	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Los_Angeles -7:52:58 -	LMT	1883 Nov 18 12:07:02
+			-8:00	US	P%sT	1946
+			-8:00	CA	P%sT	1967
+			-8:00	US	P%sT
+
+# Alaska
+# AK%sT is the modern abbreviation for -9:00 per USNO.
+#
+# From Paul Eggert (2001-05-30):
+# Howse writes that Alaska switched from the Julian to the Gregorian calendar,
+# and from east-of-GMT to west-of-GMT days, when the US bought it from Russia.
+# This was on 1867-10-18, a Friday; the previous day was 1867-10-06 Julian,
+# also a Friday.  Include only the time zone part of this transition,
+# ignoring the switch from Julian to Gregorian, since we can't represent
+# the Julian calendar.
+#
+# As far as we know, none of the exact locations mentioned below were
+# permanently inhabited in 1867 by anyone using either calendar.
+# (Yakutat was colonized by the Russians in 1799, but the settlement
+# was destroyed in 1805 by a Yakutat-kon war party.)  However, there
+# were nearby inhabitants in some cases and for our purposes perhaps
+# it's best to simply use the official transition.
+#
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Juneau	 15:02:19 -	LMT	1867 Oct 18
+			 -8:57:41 -	LMT	1900 Aug 20 12:00
+			 -8:00	-	PST	1942
+			 -8:00	US	P%sT	1946
+			 -8:00	-	PST	1969
+			 -8:00	US	P%sT	1983 Oct 30 2:00
+			 -9:00	US	Y%sT	1983 Nov 30
+			 -9:00	US	AK%sT
+Zone America/Yakutat	 14:41:05 -	LMT	1867 Oct 18
+			 -9:18:55 -	LMT	1900 Aug 20 12:00
+			 -9:00	-	YST	1942
+			 -9:00	US	Y%sT	1946
+			 -9:00	-	YST	1969
+			 -9:00	US	Y%sT	1983 Nov 30
+			 -9:00	US	AK%sT
+Zone America/Anchorage	 14:00:24 -	LMT	1867 Oct 18
+			 -9:59:36 -	LMT	1900 Aug 20 12:00
+			-10:00	-	CAT	1942
+			-10:00	US	CAT/CAWT 1945 Aug 14 23:00u
+			-10:00	US	CAT/CAPT 1946 # Peace
+			-10:00	-	CAT	1967 Apr
+			-10:00	-	AHST	1969
+			-10:00	US	AH%sT	1983 Oct 30 2:00
+			 -9:00	US	Y%sT	1983 Nov 30
+			 -9:00	US	AK%sT
+Zone America/Nome	 12:58:21 -	LMT	1867 Oct 18
+			-11:01:38 -	LMT	1900 Aug 20 12:00
+			-11:00	-	NST	1942
+			-11:00	US	N%sT	1946
+			-11:00	-	NST	1967 Apr
+			-11:00	-	BST	1969
+			-11:00	US	B%sT	1983 Oct 30 2:00
+			 -9:00	US	Y%sT	1983 Nov 30
+			 -9:00	US	AK%sT
+Zone America/Adak	 12:13:21 -	LMT	1867 Oct 18
+			-11:46:38 -	LMT	1900 Aug 20 12:00
+			-11:00	-	NST	1942
+			-11:00	US	N%sT	1946
+			-11:00	-	NST	1967 Apr
+			-11:00	-	BST	1969
+			-11:00	US	B%sT	1983 Oct 30 2:00
+			-10:00	US	AH%sT	1983 Nov 30
+			-10:00	US	HA%sT
+# The following switches don't quite make our 1970 cutoff.
+#
+# Shanks writes that part of southwest Alaska (e.g. Aniak)
+# switched from -11:00 to -10:00 on 1968-09-22 at 02:00,
+# and another part (e.g. Akiak) made the same switch five weeks later.
+#
+# From David Flater (2004-11-09):
+# In e-mail, 2004-11-02, Ray Hudson, historian/liaison to the Unalaska
+# Historic Preservation Commission, provided this information, which
+# suggests that Unalaska deviated from statutory time from early 1967
+# possibly until 1983:
+#
+#  Minutes of the Unalaska City Council Meeting, January 10, 1967:
+#  "Except for St. Paul and Akutan, Unalaska is the only important
+#  location not on Alaska Standard Time.  The following resolution was
+#  made by William Robinson and seconded by Henry Swanson:  Be it
+#  resolved that the City of Unalaska hereby goes to Alaska Standard
+#  Time as of midnight Friday, January 13, 1967 (1 A.M. Saturday,
+#  January 14, Alaska Standard Time.)  This resolution was passed with
+#  three votes for and one against."
+
+# Hawaii
+#
+# From Arthur David Olson:
+# And then there's Hawaii.
+# DST was observed for one day in 1933;
+# standard time was changed by half an hour in 1947;
+# it's always standard as of 1986.
+#
+# From Paul Eggert:
+# Shanks says the 1933 experiment lasted for three weeks.  Go with Shanks.
+#
+Zone Pacific/Honolulu	-10:31:26 -	LMT	1900 Jan  1 12:00
+			-10:30	-	HST	1933 Apr 30 2:00
+			-10:30	1:00	HDT	1933 May 21 2:00
+			-10:30	US	H%sT	1947 Jun  8 2:00
+			-10:00	-	HST
+
+# Now we turn to US areas that have diverged from the consensus since 1970.
+
+# Arizona mostly uses MST.
+
+# From Paul Eggert (2002-10-20):
+#
+# The information in the rest of this paragraph is derived from the
+# 
+# Daylight Saving Time web page (2002-01-23) maintained by the
+# Arizona State Library, Archives and Public Records.
+# Between 1944-01-01 and 1944-04-01 the State of Arizona used standard
+# time, but by federal law railroads, airlines, bus lines, military
+# personnel, and some engaged in interstate commerce continued to
+# observe war (i.e., daylight saving) time.  The 1944-03-17 Phoenix
+# Gazette says that was the date the law changed, and that 04-01 was
+# the date the state's clocks would change.  In 1945 the State of
+# Arizona used standard time all year, again with exceptions only as
+# mandated by federal law.  Arizona observed DST in 1967, but Arizona
+# Laws 1968, ch. 183 (effective 1968-03-21) repealed DST.
+#
+# Shanks says the 1944 experiment came to an end on 1944-03-17.
+# Go with the Arizona State Library instead.
+
+Zone America/Phoenix	-7:28:18 -	LMT	1883 Nov 18 11:31:42
+			-7:00	US	M%sT	1944 Jan  1 00:01
+			-7:00	-	MST	1944 Apr  1 00:01
+			-7:00	US	M%sT	1944 Oct  1 00:01
+			-7:00	-	MST	1967
+			-7:00	US	M%sT	1968 Mar 21
+			-7:00	-	MST
+# From Arthur David Olson (1988-02-13):
+# A writer from the Inter Tribal Council of Arizona, Inc.,
+# notes in private correspondence dated 1987-12-28 that "Presently, only the
+# Navajo Nation participates in the Daylight Saving Time policy, due to its
+# large size and location in three states."  (The "only" means that other
+# tribal nations don't use DST.)
+
+Link America/Denver America/Shiprock
+
+# Southern Idaho (Ada, Adams, Bannock, Bear Lake, Bingham, Blaine,
+# Boise, Bonneville, Butte, Camas, Canyon, Caribou, Cassia, Clark,
+# Custer, Elmore, Franklin, Fremont, Gem, Gooding, Jefferson, Jerome,
+# Lemhi, Lincoln, Madison, Minidoka, Oneida, Owyhee, Payette, Power,
+# Teton, Twin Falls, Valley, Washington counties) and eastern Oregon
+# switched four weeks late in 1974.
+#
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Boise	-7:44:49 -	LMT	1883 Nov 18 12:15:11
+			-8:00	US	P%sT	1923 May 13 2:00
+			-7:00	US	M%sT	1974
+			-7:00	-	MST	1974 Feb  3 2:00
+			-7:00	US	M%sT
+
+# Indiana
+#
+# For a map of Indiana's time zone regions, see:
+# 
+# What time is it in Indiana?
+#  (2006-03-01)
+#
+# From Paul Eggert (2006-03-22):
+# Since 1970, most of Indiana has been like America/Indiana/Indianapolis,
+# with the following exceptions:
+#
+# - Gibson, Jasper, Lake, LaPorte, Newton, Porter, Posey, Spencer,
+#   Vandenburgh, and Warrick counties have been like America/Chicago.
+#
+# - Dearborn and Ohio counties have been like America/New_York.
+#
+# - Clark, Floyd, and Harrison counties have been like
+#   America/Kentucky/Louisville.
+#
+# - Daviess, Dubois, Knox, Martin, Perry, and Pulaski counties
+#   have been like America/Indiana/Vincennes.
+#
+# - Crawford, Pike, Starke, and Switzerland counties have their own time zone
+#   histories as noted below.
+#
+# Shanks partitioned Indiana into 345 regions, each with its own time history,
+# and wrote ``Even newspaper reports present contradictory information.''
+# Those Hoosiers!  Such a flighty and changeable people!
+# Fortunately, most of the complexity occurred before our cutoff date of 1970.
+#
+# Other than Indianapolis, the Indiana place names are so nondescript
+# that they would be ambiguous if we left them at the `America' level.
+# So we reluctantly put them all in a subdirectory `America/Indiana'.
+
+# From Paul Eggert (2005-08-16):
+# http://www.mccsc.edu/time.html says that Indiana will use DST starting 2006.
+
+# From Nathan Stratton Treadway (2006-03-30):
+# http://www.dot.gov/affairs/dot0406.htm [3705 B]
+# From Deborah Goldsmith (2006-01-18):
+# http://dmses.dot.gov/docimages/pdf95/382329_web.pdf [2.9 MB]
+# From Paul Eggert (2006-01-20):
+# It says "DOT is relocating the time zone boundary in Indiana to move Starke,
+# Pulaski, Knox, Daviess, Martin, Pike, Dubois, and Perry Counties from the
+# Eastern Time Zone to the Central Time Zone.... The effective date of
+# this rule is 2:OO a.m. EST Sunday, April 2, 2006, which is the
+# changeover date from standard time to Daylight Saving Time."
+# Strictly speaking, this means the affected counties will change their
+# clocks twice that night, but this obviously is in error.  The intent
+# is that 01:59:59 EST be followed by 02:00:00 CDT.
+
+# From Gwillim Law (2007-02-10):
+# The Associated Press has been reporting that Pulaski County, Indiana is
+# going to switch from Central to Eastern Time on March 11, 2007....
+# http://www.indystar.com/apps/pbcs.dll/article?AID=/20070207/LOCAL190108/702070524/0/LOCAL
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER
+Rule Indianapolis 1941	only	-	Jun	22	2:00	1:00	D
+Rule Indianapolis 1941	1954	-	Sep	lastSun	2:00	0	S
+Rule Indianapolis 1946	1954	-	Apr	lastSun	2:00	1:00	D
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Indiana/Indianapolis -5:44:38 - LMT 1883 Nov 18 12:15:22
+			-6:00	US	C%sT	1920
+			-6:00 Indianapolis C%sT	1942
+			-6:00	US	C%sT	1946
+			-6:00 Indianapolis C%sT	1955 Apr 24 2:00
+			-5:00	-	EST	1957 Sep 29 2:00
+			-6:00	-	CST	1958 Apr 27 2:00
+			-5:00	-	EST	1969
+			-5:00	US	E%sT	1971
+			-5:00	-	EST	2006
+			-5:00	US	E%sT
+#
+# Eastern Crawford County, Indiana, left its clocks alone in 1974,
+# as well as from 1976 through 2005.
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER
+Rule	Marengo	1951	only	-	Apr	lastSun	2:00	1:00	D
+Rule	Marengo	1951	only	-	Sep	lastSun	2:00	0	S
+Rule	Marengo	1954	1960	-	Apr	lastSun	2:00	1:00	D
+Rule	Marengo	1954	1960	-	Sep	lastSun	2:00	0	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Indiana/Marengo -5:45:23 -	LMT	1883 Nov 18 12:14:37
+			-6:00	US	C%sT	1951
+			-6:00	Marengo	C%sT	1961 Apr 30 2:00
+			-5:00	-	EST	1969
+			-5:00	US	E%sT	1974 Jan  6 2:00
+			-6:00	1:00	CDT	1974 Oct 27 2:00
+			-5:00	US	E%sT	1976
+			-5:00	-	EST	2006
+			-5:00	US	E%sT
+#
+# Daviess, Dubois, Knox, Martin, and Perry Counties, Indiana,
+# switched from eastern to central time in April 2006.
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER
+Rule Vincennes	1946	only	-	Apr	lastSun	2:00	1:00	D
+Rule Vincennes	1946	only	-	Sep	lastSun	2:00	0	S
+Rule Vincennes	1953	1954	-	Apr	lastSun	2:00	1:00	D
+Rule Vincennes	1953	1959	-	Sep	lastSun	2:00	0	S
+Rule Vincennes	1955	only	-	May	 1	0:00	1:00	D
+Rule Vincennes	1956	1963	-	Apr	lastSun	2:00	1:00	D
+Rule Vincennes	1960	only	-	Oct	lastSun	2:00	0	S
+Rule Vincennes	1961	only	-	Sep	lastSun	2:00	0	S
+Rule Vincennes	1962	1963	-	Oct	lastSun	2:00	0	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Indiana/Vincennes -5:50:07 - LMT	1883 Nov 18 12:09:53
+			-6:00	US	C%sT	1946
+			-6:00 Vincennes	C%sT	1964 Apr 26 2:00
+			-5:00	-	EST	1969
+			-5:00	US	E%sT	1971
+			-5:00	-	EST	2006 Apr  2 2:00
+			-6:00	US	C%sT
+#
+# Pike County, Indiana moved from central to eastern time in 1977,
+# then switched back in 2006.
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER
+Rule	Pike	1955	only	-	May	 1	0:00	1:00	D
+Rule	Pike	1955	1960	-	Sep	lastSun	2:00	0	S
+Rule	Pike	1956	1964	-	Apr	lastSun	2:00	1:00	D
+Rule	Pike	1961	1964	-	Oct	lastSun	2:00	0	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Indiana/Petersburg -5:49:07 - LMT	1883 Nov 18 12:10:53
+			-6:00	US	C%sT	1955
+			-6:00	Pike	C%sT	1965 Apr 25 2:00
+			-5:00	-	EST	1966 Oct 30 2:00
+			-6:00	US	C%sT	1977 Oct 30 2:00
+			-5:00	-	EST	2006 Apr  2 2:00
+			-6:00	US	C%sT
+#
+# Starke County, Indiana moved from central to eastern time in 1991,
+# then switched back in 2006.
+# From Arthur David Olson (1991-10-28):
+# An article on page A3 of the Sunday, 1991-10-27 Washington Post
+# notes that Starke County switched from Central time to Eastern time as of
+# 1991-10-27.
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER
+Rule	Starke	1947	1961	-	Apr	lastSun	2:00	1:00	D
+Rule	Starke	1947	1954	-	Sep	lastSun	2:00	0	S
+Rule	Starke	1955	1956	-	Oct	lastSun	2:00	0	S
+Rule	Starke	1957	1958	-	Sep	lastSun	2:00	0	S
+Rule	Starke	1959	1961	-	Oct	lastSun	2:00	0	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Indiana/Knox -5:46:30 -	LMT	1883 Nov 18 12:13:30
+			-6:00	US	C%sT	1947
+			-6:00	Starke	C%sT	1962 Apr 29 2:00
+			-5:00	-	EST	1963 Oct 27 2:00
+			-6:00	US	C%sT	1991 Oct 27 2:00
+			-5:00	-	EST	2006 Apr  2 2:00
+			-6:00	US	C%sT
+#
+# Pulaski County, Indiana, switched from eastern to central time in
+# April 2006 and then switched back in March 2007.
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER
+Rule	Pulaski	1946	1960	-	Apr	lastSun	2:00	1:00	D
+Rule	Pulaski	1946	1954	-	Sep	lastSun	2:00	0	S
+Rule	Pulaski	1955	1956	-	Oct	lastSun	2:00	0	S
+Rule	Pulaski	1957	1960	-	Sep	lastSun	2:00	0	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Indiana/Winamac -5:46:25 - LMT	1883 Nov 18 12:13:35
+			-6:00	US	C%sT	1946
+			-6:00	Pulaski	C%sT	1961 Apr 30 2:00
+			-5:00	-	EST	1969
+			-5:00	US	E%sT	1971
+			-5:00	-	EST	2006 Apr  2 2:00
+			-6:00	US	C%sT	2007 Mar 11 2:00
+			-5:00	US	E%sT
+#
+# Switzerland County, Indiana, did not observe DST from 1973 through 2005.
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Indiana/Vevay -5:40:16 -	LMT	1883 Nov 18 12:19:44
+			-6:00	US	C%sT	1954 Apr 25 2:00
+			-5:00	-	EST	1969
+			-5:00	US	E%sT	1973
+			-5:00	-	EST	2006
+			-5:00	US	E%sT
+
+# Part of Kentucky left its clocks alone in 1974.
+# This also includes Clark, Floyd, and Harrison counties in Indiana.
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER
+Rule Louisville	1921	only	-	May	1	2:00	1:00	D
+Rule Louisville	1921	only	-	Sep	1	2:00	0	S
+Rule Louisville	1941	1961	-	Apr	lastSun	2:00	1:00	D
+Rule Louisville	1941	only	-	Sep	lastSun	2:00	0	S
+Rule Louisville	1946	only	-	Jun	2	2:00	0	S
+Rule Louisville	1950	1955	-	Sep	lastSun	2:00	0	S
+Rule Louisville	1956	1960	-	Oct	lastSun	2:00	0	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Kentucky/Louisville -5:43:02 -	LMT	1883 Nov 18 12:16:58
+			-6:00	US	C%sT	1921
+			-6:00 Louisville C%sT	1942
+			-6:00	US	C%sT	1946
+			-6:00 Louisville C%sT	1961 Jul 23 2:00
+			-5:00	-	EST	1968
+			-5:00	US	E%sT	1974 Jan  6 2:00
+			-6:00	1:00	CDT	1974 Oct 27 2:00
+			-5:00	US	E%sT
+#
+# Wayne County, Kentucky
+#
+# From
+# 
+# Lake Cumberland LIFE
+#  (1999-01-29) via WKYM-101.7:
+# Clinton County has joined Wayne County in asking the DoT to change from
+# the Central to the Eastern time zone....  The Wayne County government made
+# the same request in December.  And while Russell County officials have not
+# taken action, the majority of respondents to a poll conducted there in
+# August indicated they would like to change to "fast time" also.
+# The three Lake Cumberland counties are the farthest east of any U.S.
+# location in the Central time zone.
+#
+# From Rich Wales (2000-08-29):
+# After prolonged debate, and despite continuing deep differences of opinion,
+# Wayne County (central Kentucky) is switching from Central (-0600) to Eastern
+# (-0500) time.  They won't "fall back" this year.  See Sara Shipley,
+# The difference an hour makes, Nando Times (2000-08-29 15:33 -0400).
+#
+# From Paul Eggert (2001-07-16):
+# The final rule was published in the
+# 
+# Federal Register 65, 160 (2000-08-17), page 50154-50158.
+# 
+#
+Zone America/Kentucky/Monticello -5:39:24 - LMT	1883 Nov 18 12:20:36
+			-6:00	US	C%sT	1946
+			-6:00	-	CST	1968
+			-6:00	US	C%sT	2000 Oct 29  2:00
+			-5:00	US	E%sT
+
+
+# From Rives McDow (2000-08-30):
+# Here ... are all the changes in the US since 1985.
+# Kearny County, KS (put all of county on central;
+#	previously split between MST and CST) ... 1990-10
+# Starke County, IN (from CST to EST) ... 1991-10
+# Oliver County, ND (from MST to CST) ... 1992-10
+# West Wendover, NV (from PST TO MST) ... 1999-10
+# Wayne County, KY (from CST to EST) ... 2000-10
+#
+# From Paul Eggert (2001-07-17):
+# We don't know where the line used to be within Kearny County, KS,
+# so omit that change for now.
+# See America/Indiana/Knox for the Starke County, IN change.
+# See America/North_Dakota/Center for the Oliver County, ND change.
+# West Wendover, NV officially switched from Pacific to mountain time on
+# 1999-10-31.  See the
+# 
+# Federal Register 64, 203 (1999-10-21), page 56705-56707.
+# 
+# However, the Federal Register says that West Wendover already operated
+# on mountain time, and the rule merely made this official;
+# hence a separate tz entry is not needed.
+
+# Michigan
+#
+# From Bob Devine (1988-01-28):
+# Michigan didn't observe DST from 1968 to 1973.
+#
+# From Paul Eggert (1999-03-31):
+# Shanks writes that Michigan started using standard time on 1885-09-18,
+# but Howse writes (pp 124-125, referring to Popular Astronomy, 1901-01)
+# that Detroit kept
+#
+#	local time until 1900 when the City Council decreed that clocks should
+#	be put back twenty-eight minutes to Central Standard Time.  Half the
+#	city obeyed, half refused.  After considerable debate, the decision
+#	was rescinded and the city reverted to Sun time.  A derisive offer to
+#	erect a sundial in front of the city hall was referred to the
+#	Committee on Sewers.  Then, in 1905, Central time was adopted
+#	by city vote.
+#
+# This story is too entertaining to be false, so go with Howse over Shanks.
+#
+# From Paul Eggert (2001-03-06):
+# Garland (1927) writes ``Cleveland and Detroit advanced their clocks
+# one hour in 1914.''  This change is not in Shanks.  We have no more
+# info, so omit this for now.
+#
+# Most of Michigan observed DST from 1973 on, but was a bit late in 1975.
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER
+Rule	Detroit	1948	only	-	Apr	lastSun	2:00	1:00	D
+Rule	Detroit	1948	only	-	Sep	lastSun	2:00	0	S
+Rule	Detroit	1967	only	-	Jun	14	2:00	1:00	D
+Rule	Detroit	1967	only	-	Oct	lastSun	2:00	0	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Detroit	-5:32:11 -	LMT	1905
+			-6:00	-	CST	1915 May 15 2:00
+			-5:00	-	EST	1942
+			-5:00	US	E%sT	1946
+			-5:00	Detroit	E%sT	1973
+			-5:00	US	E%sT	1975
+			-5:00	-	EST	1975 Apr 27 2:00
+			-5:00	US	E%sT
+#
+# Dickinson, Gogebic, Iron, and Menominee Counties, Michigan,
+# switched from EST to CST/CDT in 1973.
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER
+Rule Menominee	1946	only	-	Apr	lastSun	2:00	1:00	D
+Rule Menominee	1946	only	-	Sep	lastSun	2:00	0	S
+Rule Menominee	1966	only	-	Apr	lastSun	2:00	1:00	D
+Rule Menominee	1966	only	-	Oct	lastSun	2:00	0	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Menominee	-5:50:27 -	LMT	1885 Sep 18 12:00
+			-6:00	US	C%sT	1946
+			-6:00 Menominee	C%sT	1969 Apr 27 2:00
+			-5:00	-	EST	1973 Apr 29 2:00
+			-6:00	US	C%sT
+
+# Navassa
+# administered by the US Fish and Wildlife Service
+# claimed by US under the provisions of the 1856 Guano Islands Act
+# also claimed by Haiti
+# occupied 1857/1900 by the Navassa Phosphate Co
+# US lighthouse 1917/1996-09
+# currently uninhabited
+# see Mark Fineman, ``An Isle Rich in Guano and Discord'',
+# _Los Angeles Times_ (1998-11-10), A1, A10; it cites
+# Jimmy Skaggs, _The Great Guano Rush_ (1994).
+
+################################################################################
+
+
+# From Paul Eggert (2006-03-22):
+# A good source for time zone historical data outside the U.S. is
+# Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),
+# San Diego: ACS Publications, Inc. (2003).
+#
+# Gwillim Law writes that a good source
+# for recent time zone data is the International Air Transport
+# Association's Standard Schedules Information Manual (IATA SSIM),
+# published semiannually.  Law sent in several helpful summaries
+# of the IATA's data after 1990.
+#
+# Except where otherwise noted, Shanks & Pottenger is the source for
+# entries through 1990, and IATA SSIM is the source for entries afterwards.
+#
+# Other sources occasionally used include:
+#
+#	Edward W. Whitman, World Time Differences,
+#	Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated),
+#	which I found in the UCLA library.
+#
+#	
+#	William Willett, The Waste of Daylight, 19th edition
+#	 (1914-03)
+#
+# See the `europe' file for Greenland.
+
+# Canada
+
+# From Alain LaBont (1994-11-14):
+# I post here the time zone abbreviations standardized in Canada
+# for both English and French in the CAN/CSA-Z234.4-89 standard....
+#
+#	UTC	Standard time	Daylight savings time
+#	offset	French	English	French	English
+#	-2:30	-	-	HAT	NDT
+#	-3	-	-	HAA	ADT
+#	-3:30	HNT	NST	-	-
+#	-4	HNA	AST	HAE	EDT
+#	-5	HNE	EST	HAC	CDT
+#	-6	HNC	CST	HAR	MDT
+#	-7	HNR	MST	HAP	PDT
+#	-8	HNP	PST	HAY	YDT
+#	-9	HNY	YST	-	-
+#
+#	HN: Heure Normale	ST: Standard Time
+#	HA: Heure Avance	DT: Daylight saving Time
+#
+#	A: de l'Atlantique	Atlantic
+#	C: du Centre		Central
+#	E: de l'Est		Eastern
+#	M:			Mountain
+#	N:			Newfoundland
+#	P: du Pacifique		Pacific
+#	R: des Rocheuses
+#	T: de Terre-Neuve
+#	Y: du Yukon		Yukon
+#
+# From Paul Eggert (1994-11-22):
+# Alas, this sort of thing must be handled by localization software.
+
+# Unless otherwise specified, the data for Canada are all from Shanks
+# & Pottenger.
+
+# From Chris Walton (2006-04-01, 2006-04-25, 2006-06-26, 2007-01-31,
+# 2007-03-01):
+# The British Columbia government announced yesterday that it will
+# adjust daylight savings next year to align with changes in the
+# U.S. and the rest of Canada....
+# http://www2.news.gov.bc.ca/news_releases_2005-2009/2006AG0014-000330.htm
+# ...
+# Nova Scotia
+# Daylight saving time will be extended by four weeks starting in 2007....
+# http://www.gov.ns.ca/just/regulations/rg2/2006/ma1206.pdf
+#
+# [For New Brunswick] the new legislation dictates that the time change is to
+# be done at 02:00 instead of 00:01.
+# http://www.gnb.ca/0062/acts/BBA-2006/Chap-19.pdf
+# ...
+# Manitoba has traditionally changed the clock every fall at 03:00.
+# As of 2006, the transition is to take place one hour earlier at 02:00.
+# http://web2.gov.mb.ca/laws/statutes/ccsm/o030e.php
+# ...
+# [Alberta, Ontario, Quebec] will follow US rules.
+# http://www.qp.gov.ab.ca/documents/spring/CH03_06.CFM
+# http://www.e-laws.gov.on.ca/DBLaws/Source/Regs/English/2006/R06111_e.htm
+# http://www2.publicationsduquebec.gouv.qc.ca/dynamicSearch/telecharge.php?type=5&file=2006C39A.PDF
+# ...
+# P.E.I. will follow US rules....
+# http://www.assembly.pe.ca/bills/pdf_chapter/62/3/chapter-41.pdf
+# ...
+# Province of Newfoundland and Labrador....
+# http://www.hoa.gov.nl.ca/hoa/bills/Bill0634.htm
+# ...
+# Yukon
+# http://www.gov.yk.ca/legislation/regs/oic2006_127.pdf
+# ...
+# N.W.T. will follow US rules.  Whoever maintains the government web site
+# does not seem to believe in bookmarks.  To see the news release, click the
+# following link and search for "Daylight Savings Time Change".  Press the
+# "Daylight Savings Time Change" link; it will fire off a popup using
+# JavaScript.
+# http://www.exec.gov.nt.ca/currentnews/currentPR.asp?mode=archive
+# ...
+# Nunavut
+# An amendment to the Interpretation Act was registered on February 19/2007....
+# http://action.attavik.ca/home/justice-gn/attach/2007/gaz02part2.pdf
+
+# From Paul Eggert (2006-04-25):
+# H. David Matthews and Mary Vincent's map
+# 
+# "It's about TIME", _Canadian Geographic_ (September-October 1998)
+#  contains detailed boundaries for regions observing nonstandard
+# time and daylight saving time arrangements in Canada circa 1998.
+#
+# INMS, the Institute for National Measurement Standards in Ottawa, has 
+# information about standard and daylight saving time zones in Canada.
+#  (updated periodically).
+# Its unofficial information is often taken from Matthews and Vincent.
+
+# From Paul Eggert (2006-06-27):
+# For now, assume all of DST-observing Canada will fall into line with the
+# new US DST rules,
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Canada	1918	only	-	Apr	14	2:00	1:00	D
+Rule	Canada	1918	only	-	Oct	31	2:00	0	S
+Rule	Canada	1942	only	-	Feb	 9	2:00	1:00	W # War
+Rule	Canada	1945	only	-	Aug	14	23:00u	1:00	P # Peace
+Rule	Canada	1945	only	-	Sep	30	2:00	0	S
+Rule	Canada	1974	1986	-	Apr	lastSun	2:00	1:00	D
+Rule	Canada	1974	2006	-	Oct	lastSun	2:00	0	S
+Rule	Canada	1987	2006	-	Apr	Sun>=1	2:00	1:00	D
+Rule	Canada	2007	max	-	Mar	Sun>=8	2:00	1:00	D
+Rule	Canada	2007	max	-	Nov	Sun>=1	2:00	0	S
+
+
+# Newfoundland and Labrador
+
+# From Paul Eggert (2000-10-02):
+# Matthews and Vincent (1998) write that Labrador should use NST/NDT,
+# but the only part of Labrador that follows the rules is the
+# southeast corner, including Port Hope Simpson and Mary's Harbour,
+# but excluding, say, Black Tickle.
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	StJohns	1917	only	-	Apr	 8	2:00	1:00	D
+Rule	StJohns	1917	only	-	Sep	17	2:00	0	S
+# Whitman gives 1919 Apr 5 and 1920 Apr 5; go with Shanks & Pottenger.
+Rule	StJohns	1919	only	-	May	 5	23:00	1:00	D
+Rule	StJohns	1919	only	-	Aug	12	23:00	0	S
+# For 1931-1935 Whitman gives Apr same date; go with Shanks & Pottenger.
+Rule	StJohns	1920	1935	-	May	Sun>=1	23:00	1:00	D
+Rule	StJohns	1920	1935	-	Oct	lastSun	23:00	0	S
+# For 1936-1941 Whitman gives May Sun>=8 and Oct Sun>=1; go with Shanks &
+# Pottenger.
+Rule	StJohns	1936	1941	-	May	Mon>=9	0:00	1:00	D
+Rule	StJohns	1936	1941	-	Oct	Mon>=2	0:00	0	S
+# Whitman gives the following transitions:
+# 1942 03-01/12-31, 1943 05-30/09-05, 1944 07-10/09-02, 1945 01-01/10-07
+# but go with Shanks & Pottenger and assume they used Canadian rules.
+# For 1946-9 Whitman gives May 5,4,9,1 - Oct 1,5,3,2, and for 1950 he gives
+# Apr 30 - Sep 24; go with Shanks & Pottenger.
+Rule	StJohns	1946	1950	-	May	Sun>=8	2:00	1:00	D
+Rule	StJohns	1946	1950	-	Oct	Sun>=2	2:00	0	S
+Rule	StJohns	1951	1986	-	Apr	lastSun	2:00	1:00	D
+Rule	StJohns	1951	1959	-	Sep	lastSun	2:00	0	S
+Rule	StJohns	1960	1986	-	Oct	lastSun	2:00	0	S
+# From Paul Eggert (2000-10-02):
+# INMS (2000-09-12) says that, since 1988 at least, Newfoundland switches
+# at 00:01 local time.  For now, assume it started in 1987.
+Rule	StJohns	1987	only	-	Apr	Sun>=1	0:01	1:00	D
+Rule	StJohns	1987	2006	-	Oct	lastSun	0:01	0	S
+Rule	StJohns	1988	only	-	Apr	Sun>=1	0:01	2:00	DD
+Rule	StJohns	1989	2006	-	Apr	Sun>=1	0:01	1:00	D
+Rule	StJohns	2007	max	-	Mar	Sun>=8	0:01	1:00	D
+Rule	StJohns	2007	max	-	Nov	Sun>=1	0:01	0	S
+#
+# St John's has an apostrophe, but Posix file names can't have apostrophes.
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/St_Johns	-3:30:52 -	LMT	1884
+			-3:30:52 StJohns N%sT	1918
+			-3:30:52 Canada	N%sT	1919
+			-3:30:52 StJohns N%sT	1935 Mar 30
+			-3:30	StJohns	N%sT	1942 May 11
+			-3:30	Canada	N%sT	1946
+			-3:30	StJohns	N%sT
+
+# most of east Labrador
+
+# The name `Happy Valley-Goose Bay' is too long; use `Goose Bay'.
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Goose_Bay	-4:01:40 -	LMT	1884 # Happy Valley-Goose Bay
+			-3:30:52 -	NST	1918
+			-3:30:52 Canada N%sT	1919
+			-3:30:52 -	NST	1935 Mar 30
+			-3:30	-	NST	1936
+			-3:30	StJohns	N%sT	1942 May 11
+			-3:30	Canada	N%sT	1946
+			-3:30	StJohns	N%sT	1966 Mar 15 2:00
+			-4:00	StJohns	A%sT
+
+
+# west Labrador, Nova Scotia, Prince Edward I
+
+# From Paul Eggert (2006-03-22):
+# Shanks & Pottenger write that since 1970 most of this region has been like
+# Halifax.  Many locales did not observe peacetime DST until 1972;
+# Glace Bay, NS is the largest that we know of.
+# Shanks & Pottenger also write that Liverpool, NS was the only town
+# in Canada to observe DST in 1971 but not 1970; for now we'll assume
+# this is a typo.
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Halifax	1916	only	-	Apr	 1	0:00	1:00	D
+Rule	Halifax	1916	only	-	Oct	 1	0:00	0	S
+Rule	Halifax	1920	only	-	May	 9	0:00	1:00	D
+Rule	Halifax	1920	only	-	Aug	29	0:00	0	S
+Rule	Halifax	1921	only	-	May	 6	0:00	1:00	D
+Rule	Halifax	1921	1922	-	Sep	 5	0:00	0	S
+Rule	Halifax	1922	only	-	Apr	30	0:00	1:00	D
+Rule	Halifax	1923	1925	-	May	Sun>=1	0:00	1:00	D
+Rule	Halifax	1923	only	-	Sep	 4	0:00	0	S
+Rule	Halifax	1924	only	-	Sep	15	0:00	0	S
+Rule	Halifax	1925	only	-	Sep	28	0:00	0	S
+Rule	Halifax	1926	only	-	May	16	0:00	1:00	D
+Rule	Halifax	1926	only	-	Sep	13	0:00	0	S
+Rule	Halifax	1927	only	-	May	 1	0:00	1:00	D
+Rule	Halifax	1927	only	-	Sep	26	0:00	0	S
+Rule	Halifax	1928	1931	-	May	Sun>=8	0:00	1:00	D
+Rule	Halifax	1928	only	-	Sep	 9	0:00	0	S
+Rule	Halifax	1929	only	-	Sep	 3	0:00	0	S
+Rule	Halifax	1930	only	-	Sep	15	0:00	0	S
+Rule	Halifax	1931	1932	-	Sep	Mon>=24	0:00	0	S
+Rule	Halifax	1932	only	-	May	 1	0:00	1:00	D
+Rule	Halifax	1933	only	-	Apr	30	0:00	1:00	D
+Rule	Halifax	1933	only	-	Oct	 2	0:00	0	S
+Rule	Halifax	1934	only	-	May	20	0:00	1:00	D
+Rule	Halifax	1934	only	-	Sep	16	0:00	0	S
+Rule	Halifax	1935	only	-	Jun	 2	0:00	1:00	D
+Rule	Halifax	1935	only	-	Sep	30	0:00	0	S
+Rule	Halifax	1936	only	-	Jun	 1	0:00	1:00	D
+Rule	Halifax	1936	only	-	Sep	14	0:00	0	S
+Rule	Halifax	1937	1938	-	May	Sun>=1	0:00	1:00	D
+Rule	Halifax	1937	1941	-	Sep	Mon>=24	0:00	0	S
+Rule	Halifax	1939	only	-	May	28	0:00	1:00	D
+Rule	Halifax	1940	1941	-	May	Sun>=1	0:00	1:00	D
+Rule	Halifax	1946	1949	-	Apr	lastSun	2:00	1:00	D
+Rule	Halifax	1946	1949	-	Sep	lastSun	2:00	0	S
+Rule	Halifax	1951	1954	-	Apr	lastSun	2:00	1:00	D
+Rule	Halifax	1951	1954	-	Sep	lastSun	2:00	0	S
+Rule	Halifax	1956	1959	-	Apr	lastSun	2:00	1:00	D
+Rule	Halifax	1956	1959	-	Sep	lastSun	2:00	0	S
+Rule	Halifax	1962	1973	-	Apr	lastSun	2:00	1:00	D
+Rule	Halifax	1962	1973	-	Oct	lastSun	2:00	0	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Halifax	-4:14:24 -	LMT	1902 Jun 15
+			-4:00	Halifax	A%sT	1918
+			-4:00	Canada	A%sT	1919
+			-4:00	Halifax	A%sT	1942 Feb  9 2:00s
+			-4:00	Canada	A%sT	1946
+			-4:00	Halifax	A%sT	1974
+			-4:00	Canada	A%sT
+Zone America/Glace_Bay	-3:59:48 -	LMT	1902 Jun 15
+			-4:00	Canada	A%sT	1953
+			-4:00	Halifax	A%sT	1954
+			-4:00	-	AST	1972
+			-4:00	Halifax	A%sT	1974
+			-4:00	Canada	A%sT
+
+# New Brunswick
+
+# From Paul Eggert (2007-01-31):
+# The Time Definition Act 
+# says they changed at 00:01 through 2006, and
+#  makes it
+# clear that this was the case since at least 1993.
+# For now, assume it started in 1993.
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Moncton	1933	1935	-	Jun	Sun>=8	1:00	1:00	D
+Rule	Moncton	1933	1935	-	Sep	Sun>=8	1:00	0	S
+Rule	Moncton	1936	1938	-	Jun	Sun>=1	1:00	1:00	D
+Rule	Moncton	1936	1938	-	Sep	Sun>=1	1:00	0	S
+Rule	Moncton	1939	only	-	May	27	1:00	1:00	D
+Rule	Moncton	1939	1941	-	Sep	Sat>=21	1:00	0	S
+Rule	Moncton	1940	only	-	May	19	1:00	1:00	D
+Rule	Moncton	1941	only	-	May	 4	1:00	1:00	D
+Rule	Moncton	1946	1972	-	Apr	lastSun	2:00	1:00	D
+Rule	Moncton	1946	1956	-	Sep	lastSun	2:00	0	S
+Rule	Moncton	1957	1972	-	Oct	lastSun	2:00	0	S
+Rule	Moncton	1993	2006	-	Apr	Sun>=1	0:01	1:00	D
+Rule	Moncton	1993	2006	-	Oct	lastSun	0:01	0	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Moncton	-4:19:08 -	LMT	1883 Dec  9
+			-5:00	-	EST	1902 Jun 15
+			-4:00	Canada	A%sT	1933
+			-4:00	Moncton	A%sT	1942
+			-4:00	Canada	A%sT	1946
+			-4:00	Moncton	A%sT	1973
+			-4:00	Canada	A%sT	1993
+			-4:00	Moncton	A%sT	2007
+			-4:00	Canada	A%sT
+
+# Quebec
+
+# From Paul Eggert (2006-07-09):
+# Shanks & Pottenger write that since 1970 most of Quebec has been
+# like Montreal.
+
+# From Paul Eggert (2006-06-27):
+# Matthews and Vincent (1998) also write that Quebec east of the -63
+# meridian is supposed to observe AST, but residents as far east as
+# Natashquan use EST/EDT, and residents east of Natashquan use AST.
+# In "Official time in Quebec" the Quebec department of justice writes in
+# http://www.justice.gouv.qc.ca/english/publications/generale/temps-regl-1-a.htm
+# that "The residents of the Municipality of the
+# Cote-Nord-du-Golfe-Saint-Laurent and the municipalities of Saint-Augustin,
+# Bonne-Esperance and Blanc-Sablon apply the Official Time Act as it is
+# written and use Atlantic standard time all year round. The same applies to
+# the residents of the Native facilities along the lower North Shore."
+# 
+# says this common practice was codified into law as of 2007.
+# For lack of better info, guess this practice began around 1970, contra to
+# Shanks & Pottenger who have this region observing AST/ADT.
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Mont	1917	only	-	Mar	25	2:00	1:00	D
+Rule	Mont	1917	only	-	Apr	24	0:00	0	S
+Rule	Mont	1919	only	-	Mar	31	2:30	1:00	D
+Rule	Mont	1919	only	-	Oct	25	2:30	0	S
+Rule	Mont	1920	only	-	May	 2	2:30	1:00	D
+Rule	Mont	1920	1922	-	Oct	Sun>=1	2:30	0	S
+Rule	Mont	1921	only	-	May	 1	2:00	1:00	D
+Rule	Mont	1922	only	-	Apr	30	2:00	1:00	D
+Rule	Mont	1924	only	-	May	17	2:00	1:00	D
+Rule	Mont	1924	1926	-	Sep	lastSun	2:30	0	S
+Rule	Mont	1925	1926	-	May	Sun>=1	2:00	1:00	D
+# The 1927-to-1937 rules can be expressed more simply as
+# Rule	Mont	1927	1937	-	Apr	lastSat	24:00	1:00	D
+# Rule	Mont	1927	1937	-	Sep	lastSat	24:00	0	S
+# The rules below avoid use of 24:00
+# (which pre-1998 versions of zic cannot handle).
+Rule	Mont	1927	only	-	May	1	0:00	1:00	D
+Rule	Mont	1927	1932	-	Sep	lastSun	0:00	0	S
+Rule	Mont	1928	1931	-	Apr	lastSun	0:00	1:00	D
+Rule	Mont	1932	only	-	May	1	0:00	1:00	D
+Rule	Mont	1933	1940	-	Apr	lastSun	0:00	1:00	D
+Rule	Mont	1933	only	-	Oct	1	0:00	0	S
+Rule	Mont	1934	1939	-	Sep	lastSun	0:00	0	S
+Rule	Mont	1946	1973	-	Apr	lastSun	2:00	1:00	D
+Rule	Mont	1945	1948	-	Sep	lastSun	2:00	0	S
+Rule	Mont	1949	1950	-	Oct	lastSun	2:00	0	S
+Rule	Mont	1951	1956	-	Sep	lastSun	2:00	0	S
+Rule	Mont	1957	1973	-	Oct	lastSun	2:00	0	S
+
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Blanc-Sablon -3:48:28 -	LMT	1884
+			-4:00	Canada	A%sT	1970
+			-4:00	-	AST
+Zone America/Montreal	-4:54:16 -	LMT	1884
+			-5:00	Mont	E%sT	1918
+			-5:00	Canada	E%sT	1919
+			-5:00	Mont	E%sT	1942 Feb  9 2:00s
+			-5:00	Canada	E%sT	1946
+			-5:00	Mont	E%sT	1974
+			-5:00	Canada	E%sT
+
+
+# Ontario
+
+# From Paul Eggert (2006-07-09):
+# Shanks & Pottenger write that since 1970 most of Ontario has been like
+# Toronto.
+# Thunder Bay skipped DST in 1973.
+# Many smaller locales did not observe peacetime DST until 1974;
+# Nipigon (EST) and Rainy River (CST) are the largest that we know of.
+# Far west Ontario is like Winnipeg; far east Quebec is like Halifax.
+
+# From Mark Brader (2003-07-26):
+# [According to the Toronto Star] Orillia, Ontario, adopted DST
+# effective Saturday, 1912-06-22, 22:00; the article mentions that
+# Port Arthur (now part of Thunder Bay, Ontario) as well as Moose Jaw
+# have already done so.  In Orillia DST was to run until Saturday,
+# 1912-08-31 (no time mentioned), but it was met with considerable
+# hostility from certain segments of the public, and was revoked after
+# only two weeks -- I copied it as Saturday, 1912-07-07, 22:00, but
+# presumably that should be -07-06.  (1912-06-19, -07-12; also letters
+# earlier in June).
+#
+# Kenora, Ontario, was to abandon DST on 1914-06-01 (-05-21).
+
+# From Paul Eggert (1997-10-17):
+# Mark Brader writes that an article in the 1997-10-14 Toronto Star
+# says that Atikokan, Ontario currently does not observe DST,
+# but will vote on 11-10 whether to use EST/EDT.
+# He also writes that the
+# 
+# Ontario Time Act (1990, Chapter T.9)
+# 
+# says that Ontario east of 90W uses EST/EDT, and west of 90W uses CST/CDT.
+# Officially Atikokan is therefore on CST/CDT, and most likely this report
+# concerns a non-official time observed as a matter of local practice.
+#
+# From Paul Eggert (2000-10-02):
+# Matthews and Vincent (1998) write that Atikokan, Pickle Lake, and
+# New Osnaburgh observe CST all year, that Big Trout Lake observes
+# CST/CDT, and that Upsala and Shebandowan observe EST/EDT, all in
+# violation of the official Ontario rules.
+#
+# From Paul Eggert (2006-07-09):
+# Chris Walton (2006-07-06) mentioned an article by Stephanie MacLellan in the
+# 2005-07-21 Chronicle-Journal, which said:
+#
+#	The clocks in Atikokan stay set on standard time year-round.
+#	This means they spend about half the time on central time and
+#	the other half on eastern time.
+#
+#	For the most part, the system works, Mayor Dennis Brown said.
+#
+#	"The majority of businesses in Atikokan deal more with Eastern
+#	Canada, but there are some that deal with Western Canada," he
+#	said.  "I don't see any changes happening here."
+#
+# Walton also writes "Supposedly Pickle Lake and Mishkeegogamang
+# [New Osnaburgh] follow the same practice."
+
+# From Garry McKinnon (2006-07-14) via Chris Walton:
+# I chatted with a member of my board who has an outstanding memory
+# and a long history in Atikokan (and in the telecom industry) and he
+# can say for certain that Atikokan has been practicing the current
+# time keeping since 1952, at least.
+
+# From Paul Eggert (2006-07-17):
+# Shanks & Pottenger say that Atikokan has agreed with Rainy River
+# ever since standard time was introduced, but the information from
+# McKinnon sounds more authoritative.  For now, assume that Atikokan
+# switched to EST immediately after WWII era daylight saving time
+# ended.  This matches the old (less-populous) America/Coral_Harbour
+# entry since our cutoff date of 1970, so we can move
+# America/Coral_Harbour to the 'backward' file.
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Toronto	1919	only	-	Mar	30	23:30	1:00	D
+Rule	Toronto	1919	only	-	Oct	26	0:00	0	S
+Rule	Toronto	1920	only	-	May	 2	2:00	1:00	D
+Rule	Toronto	1920	only	-	Sep	26	0:00	0	S
+Rule	Toronto	1921	only	-	May	15	2:00	1:00	D
+Rule	Toronto	1921	only	-	Sep	15	2:00	0	S
+Rule	Toronto	1922	1923	-	May	Sun>=8	2:00	1:00	D
+# Shanks & Pottenger say 1923-09-19; assume it's a typo and that "-16"
+# was meant.
+Rule	Toronto	1922	1926	-	Sep	Sun>=15	2:00	0	S
+Rule	Toronto	1924	1927	-	May	Sun>=1	2:00	1:00	D
+# The 1927-to-1939 rules can be expressed more simply as
+# Rule	Toronto	1927	1937	-	Sep	Sun>=25	2:00	0	S
+# Rule	Toronto	1928	1937	-	Apr	Sun>=25	2:00	1:00	D
+# Rule	Toronto	1938	1940	-	Apr	lastSun	2:00	1:00	D
+# Rule	Toronto	1938	1939	-	Sep	lastSun	2:00	0	S
+# The rules below avoid use of Sun>=25
+# (which pre-2004 versions of zic cannot handle).
+Rule	Toronto	1927	1932	-	Sep	lastSun	2:00	0	S
+Rule	Toronto	1928	1931	-	Apr	lastSun	2:00	1:00	D
+Rule	Toronto	1932	only	-	May	1	2:00	1:00	D
+Rule	Toronto	1933	1940	-	Apr	lastSun	2:00	1:00	D
+Rule	Toronto	1933	only	-	Oct	1	2:00	0	S
+Rule	Toronto	1934	1939	-	Sep	lastSun	2:00	0	S
+Rule	Toronto	1945	1946	-	Sep	lastSun	2:00	0	S
+Rule	Toronto	1946	only	-	Apr	lastSun	2:00	1:00	D
+Rule	Toronto	1947	1949	-	Apr	lastSun	0:00	1:00	D
+Rule	Toronto	1947	1948	-	Sep	lastSun	0:00	0	S
+Rule	Toronto	1949	only	-	Nov	lastSun	0:00	0	S
+Rule	Toronto	1950	1973	-	Apr	lastSun	2:00	1:00	D
+Rule	Toronto	1950	only	-	Nov	lastSun	2:00	0	S
+Rule	Toronto	1951	1956	-	Sep	lastSun	2:00	0	S
+# Shanks & Pottenger say Toronto ended DST a week early in 1971,
+# namely on 1971-10-24, but Mark Brader wrote (2003-05-31) that this
+# is wrong, and that he had confirmed it by checking the 1971-10-30
+# Toronto Star, which said that DST was ending 1971-10-31 as usual.
+Rule	Toronto	1957	1973	-	Oct	lastSun	2:00	0	S
+
+# From Paul Eggert (2003-07-27):
+# Willett (1914-03) writes (p. 17) "In the Cities of Fort William, and
+# Port Arthur, Ontario, the principle of the Bill has been in
+# operation for the past three years, and in the City of Moose Jaw,
+# Saskatchewan, for one year."
+
+# From David Bryan via Tory Tronrud, Director/Curator,
+# Thunder Bay Museum (2003-11-12):
+# There is some suggestion, however, that, by-law or not, daylight
+# savings time was being practiced in Fort William and Port Arthur
+# before 1909.... [I]n 1910, the line between the Eastern and Central
+# Time Zones was permanently moved about two hundred miles west to
+# include the Thunder Bay area....  When Canada adopted daylight
+# savings time in 1916, Fort William and Port Arthur, having done so
+# already, did not change their clocks....  During the Second World
+# War,... [t]he cities agreed to implement DST during the summer
+# months for the remainder of the war years.
+
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Toronto	-5:17:32 -	LMT	1895
+			-5:00	Canada	E%sT	1919
+			-5:00	Toronto	E%sT	1942 Feb  9 2:00s
+			-5:00	Canada	E%sT	1946
+			-5:00	Toronto	E%sT	1974
+			-5:00	Canada	E%sT
+Zone America/Thunder_Bay -5:57:00 -	LMT	1895
+			-6:00	-	CST	1910
+			-5:00	-	EST	1942
+			-5:00	Canada	E%sT	1970
+			-5:00	Mont	E%sT	1973
+			-5:00	-	EST	1974
+			-5:00	Canada	E%sT
+Zone America/Nipigon	-5:53:04 -	LMT	1895
+			-5:00	Canada	E%sT	1940 Sep 29
+			-5:00	1:00	EDT	1942 Feb  9 2:00s
+			-5:00	Canada	E%sT
+Zone America/Rainy_River -6:18:16 -	LMT	1895
+			-6:00	Canada	C%sT	1940 Sep 29
+			-6:00	1:00	CDT	1942 Feb  9 2:00s
+			-6:00	Canada	C%sT
+Zone America/Atikokan	-6:06:28 -	LMT	1895
+			-6:00	Canada	C%sT	1940 Sep 29
+			-6:00	1:00	CDT	1942 Feb  9 2:00s
+			-6:00	Canada	C%sT	1945 Sep 30 2:00
+			-5:00	-	EST
+
+
+# Manitoba
+
+# From Rob Douglas (2006-04-06):
+# the old Manitoba Time Act - as amended by Bill 2, assented to
+# March 27, 1987 ... said ...
+# "between two o'clock Central Standard Time in the morning of
+# the first Sunday of April of each year and two o'clock Central
+# Standard Time in the morning of the last Sunday of October next
+# following, one hour in advance of Central Standard Time."...
+# I believe that the English legislation [of the old time act] had =
+# been assented to (March 22, 1967)....
+# Also, as far as I can tell, there was no order-in-council varying
+# the time of Daylight Saving Time for 2005 and so the provisions of
+# the 1987 version would apply - the changeover was at 2:00 Central
+# Standard Time (i.e. not until 3:00 Central Daylight Time).
+
+# From Paul Eggert (2006-04-10):
+# Shanks & Pottenger say Manitoba switched at 02:00 (not 02:00s)
+# starting 1966.  Since 02:00s is clearly correct for 1967 on, assume
+# it was also 02:00s in 1966.
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Winn	1916	only	-	Apr	23	0:00	1:00	D
+Rule	Winn	1916	only	-	Sep	17	0:00	0	S
+Rule	Winn	1918	only	-	Apr	14	2:00	1:00	D
+Rule	Winn	1918	only	-	Oct	31	2:00	0	S
+Rule	Winn	1937	only	-	May	16	2:00	1:00	D
+Rule	Winn	1937	only	-	Sep	26	2:00	0	S
+Rule	Winn	1942	only	-	Feb	 9	2:00	1:00	W # War
+Rule	Winn	1945	only	-	Aug	14	23:00u	1:00	P # Peace
+Rule	Winn	1945	only	-	Sep	lastSun	2:00	0	S
+Rule	Winn	1946	only	-	May	12	2:00	1:00	D
+Rule	Winn	1946	only	-	Oct	13	2:00	0	S
+Rule	Winn	1947	1949	-	Apr	lastSun	2:00	1:00	D
+Rule	Winn	1947	1949	-	Sep	lastSun	2:00	0	S
+Rule	Winn	1950	only	-	May	 1	2:00	1:00	D
+Rule	Winn	1950	only	-	Sep	30	2:00	0	S
+Rule	Winn	1951	1960	-	Apr	lastSun	2:00	1:00	D
+Rule	Winn	1951	1958	-	Sep	lastSun	2:00	0	S
+Rule	Winn	1959	only	-	Oct	lastSun	2:00	0	S
+Rule	Winn	1960	only	-	Sep	lastSun	2:00	0	S
+Rule	Winn	1963	only	-	Apr	lastSun	2:00	1:00	D
+Rule	Winn	1963	only	-	Sep	22	2:00	0	S
+Rule	Winn	1966	1986	-	Apr	lastSun	2:00s	1:00	D
+Rule	Winn	1966	2005	-	Oct	lastSun	2:00s	0	S
+Rule	Winn	1987	2005	-	Apr	Sun>=1	2:00s	1:00	D
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Winnipeg	-6:28:36 -	LMT	1887 Jul 16
+			-6:00	Winn	C%sT	2006
+			-6:00	Canada	C%sT
+
+
+# Saskatchewan
+
+# From Mark Brader (2003-07-26):
+# The first actual adoption of DST in Canada was at the municipal
+# level.  As the [Toronto] Star put it (1912-06-07), "While people
+# elsewhere have long been talking of legislation to save daylight,
+# the city of Moose Jaw [Saskatchewan] has acted on its own hook."
+# DST in Moose Jaw began on Saturday, 1912-06-01 (no time mentioned:
+# presumably late evening, as below), and would run until "the end of
+# the summer".  The discrepancy between municipal time and railroad
+# time was noted.
+
+# From Paul Eggert (2003-07-27):
+# Willett (1914-03) notes that DST "has been in operation ... in the
+# City of Moose Jaw, Saskatchewan, for one year."
+
+# From Paul Eggert (2006-03-22):
+# Shanks & Pottenger say that since 1970 this region has mostly been as Regina.
+# Some western towns (e.g. Swift Current) switched from MST/MDT to CST in 1972.
+# Other western towns (e.g. Lloydminster) are like Edmonton.
+# Matthews and Vincent (1998) write that Denare Beach and Creighton
+# are like Winnipeg, in violation of Saskatchewan law.
+
+# From W. Jones (1992-11-06):
+# The. . .below is based on information I got from our law library, the
+# provincial archives, and the provincial Community Services department.
+# A precise history would require digging through newspaper archives, and
+# since you didn't say what you wanted, I didn't bother.
+#
+# Saskatchewan is split by a time zone meridian (105W) and over the years
+# the boundary became pretty ragged as communities near it reevaluated
+# their affiliations in one direction or the other.  In 1965 a provincial
+# referendum favoured legislating common time practices.
+#
+# On 15 April 1966 the Time Act (c. T-14, Revised Statutes of
+# Saskatchewan 1978) was proclaimed, and established that the eastern
+# part of Saskatchewan would use CST year round, that districts in
+# northwest Saskatchewan would by default follow CST but could opt to
+# follow Mountain Time rules (thus 1 hour difference in the winter and
+# zero in the summer), and that districts in southwest Saskatchewan would
+# by default follow MT but could opt to follow CST.
+#
+# It took a few years for the dust to settle (I know one story of a town
+# on one time zone having its school in another, such that a mom had to
+# serve her family lunch in two shifts), but presently it seems that only
+# a few towns on the border with Alberta (e.g. Lloydminster) follow MT
+# rules any more; all other districts appear to have used CST year round
+# since sometime in the 1960s.
+
+# From Chris Walton (2006-06-26):
+# The Saskatchewan time act which was last updated in 1996 is about 30 pages
+# long and rather painful to read.
+# http://www.qp.gov.sk.ca/documents/English/Statutes/Statutes/T14.pdf
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Regina	1918	only	-	Apr	14	2:00	1:00	D
+Rule	Regina	1918	only	-	Oct	31	2:00	0	S
+Rule	Regina	1930	1934	-	May	Sun>=1	0:00	1:00	D
+Rule	Regina	1930	1934	-	Oct	Sun>=1	0:00	0	S
+Rule	Regina	1937	1941	-	Apr	Sun>=8	0:00	1:00	D
+Rule	Regina	1937	only	-	Oct	Sun>=8	0:00	0	S
+Rule	Regina	1938	only	-	Oct	Sun>=1	0:00	0	S
+Rule	Regina	1939	1941	-	Oct	Sun>=8	0:00	0	S
+Rule	Regina	1942	only	-	Feb	 9	2:00	1:00	W # War
+Rule	Regina	1945	only	-	Aug	14	23:00u	1:00	P # Peace
+Rule	Regina	1945	only	-	Sep	lastSun	2:00	0	S
+Rule	Regina	1946	only	-	Apr	Sun>=8	2:00	1:00	D
+Rule	Regina	1946	only	-	Oct	Sun>=8	2:00	0	S
+Rule	Regina	1947	1957	-	Apr	lastSun	2:00	1:00	D
+Rule	Regina	1947	1957	-	Sep	lastSun	2:00	0	S
+Rule	Regina	1959	only	-	Apr	lastSun	2:00	1:00	D
+Rule	Regina	1959	only	-	Oct	lastSun	2:00	0	S
+#
+Rule	Swift	1957	only	-	Apr	lastSun	2:00	1:00	D
+Rule	Swift	1957	only	-	Oct	lastSun	2:00	0	S
+Rule	Swift	1959	1961	-	Apr	lastSun	2:00	1:00	D
+Rule	Swift	1959	only	-	Oct	lastSun	2:00	0	S
+Rule	Swift	1960	1961	-	Sep	lastSun	2:00	0	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Regina	-6:58:36 -	LMT	1905 Sep
+			-7:00	Regina	M%sT	1960 Apr lastSun 2:00
+			-6:00	-	CST
+Zone America/Swift_Current -7:11:20 -	LMT	1905 Sep
+			-7:00	Canada	M%sT	1946 Apr lastSun 2:00
+			-7:00	Regina	M%sT	1950
+			-7:00	Swift	M%sT	1972 Apr lastSun 2:00
+			-6:00	-	CST
+
+
+# Alberta
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Edm	1918	1919	-	Apr	Sun>=8	2:00	1:00	D
+Rule	Edm	1918	only	-	Oct	31	2:00	0	S
+Rule	Edm	1919	only	-	May	27	2:00	0	S
+Rule	Edm	1920	1923	-	Apr	lastSun	2:00	1:00	D
+Rule	Edm	1920	only	-	Oct	lastSun	2:00	0	S
+Rule	Edm	1921	1923	-	Sep	lastSun	2:00	0	S
+Rule	Edm	1942	only	-	Feb	 9	2:00	1:00	W # War
+Rule	Edm	1945	only	-	Aug	14	23:00u	1:00	P # Peace
+Rule	Edm	1945	only	-	Sep	lastSun	2:00	0	S
+Rule	Edm	1947	only	-	Apr	lastSun	2:00	1:00	D
+Rule	Edm	1947	only	-	Sep	lastSun	2:00	0	S
+Rule	Edm	1967	only	-	Apr	lastSun	2:00	1:00	D
+Rule	Edm	1967	only	-	Oct	lastSun	2:00	0	S
+Rule	Edm	1969	only	-	Apr	lastSun	2:00	1:00	D
+Rule	Edm	1969	only	-	Oct	lastSun	2:00	0	S
+Rule	Edm	1972	1986	-	Apr	lastSun	2:00	1:00	D
+Rule	Edm	1972	2006	-	Oct	lastSun	2:00	0	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Edmonton	-7:33:52 -	LMT	1906 Sep
+			-7:00	Edm	M%sT	1987
+			-7:00	Canada	M%sT
+
+
+# British Columbia
+
+# From Paul Eggert (2006-03-22):
+# Shanks & Pottenger write that since 1970 most of this region has
+# been like Vancouver.
+# Dawson Creek uses MST.  Much of east BC is like Edmonton.
+# Matthews and Vincent (1998) write that Creston is like Dawson Creek.
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Vanc	1918	only	-	Apr	14	2:00	1:00	D
+Rule	Vanc	1918	only	-	Oct	31	2:00	0	S
+Rule	Vanc	1942	only	-	Feb	 9	2:00	1:00	W # War
+Rule	Vanc	1945	only	-	Aug	14	23:00u	1:00	P # Peace
+Rule	Vanc	1945	only	-	Sep	30	2:00	0	S
+Rule	Vanc	1946	1986	-	Apr	lastSun	2:00	1:00	D
+Rule	Vanc	1946	only	-	Oct	13	2:00	0	S
+Rule	Vanc	1947	1961	-	Sep	lastSun	2:00	0	S
+Rule	Vanc	1962	2006	-	Oct	lastSun	2:00	0	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Vancouver	-8:12:28 -	LMT	1884
+			-8:00	Vanc	P%sT	1987
+			-8:00	Canada	P%sT
+Zone America/Dawson_Creek -8:00:56 -	LMT	1884
+			-8:00	Canada	P%sT	1947
+			-8:00	Vanc	P%sT	1972 Aug 30 2:00
+			-7:00	-	MST
+
+
+# Northwest Territories, Nunavut, Yukon
+
+# From Paul Eggert (2006-03-22):
+# Dawson switched to PST in 1973.  Inuvik switched to MST in 1979.
+# Mathew Englander (1996-10-07) gives the following refs:
+#	* 1967. Paragraph 28(34)(g) of the Interpretation Act, S.C. 1967-68,
+#	c. 7 defines Yukon standard time as UTC-9.  This is still valid;
+#	see Interpretation Act, R.S.C. 1985, c. I-21, s. 35(1).
+#	* C.O. 1973/214 switched Yukon to PST on 1973-10-28 00:00.
+#	* O.I.C. 1980/02 established DST.
+#	* O.I.C. 1987/056 changed DST to Apr firstSun 2:00 to Oct lastSun 2:00.
+# Shanks & Pottenger say Yukon's 1973-10-28 switch was at 2:00; go
+# with Englander.
+# From Chris Walton (2006-06-26):
+# Here is a link to the old daylight saving portion of the interpretation
+# act which was last updated in 1987:
+# http://www.gov.yk.ca/legislation/regs/oic1987_056.pdf
+
+# From Rives McDow (1999-09-04):
+# Nunavut ... moved ... to incorporate the whole territory into one time zone.
+# 
+# Nunavut moves to single time zone Oct. 31
+# 
+#
+# From Antoine Leca (1999-09-06):
+# We then need to create a new timezone for the Kitikmeot region of Nunavut
+# to differentiate it from the Yellowknife region.
+
+# From Paul Eggert (1999-09-20):
+# 
+# Basic Facts: The New Territory
+#  (1999) reports that Pangnirtung operates on eastern time,
+# and that Coral Harbour does not observe DST.  We don't know when
+# Pangnirtung switched to eastern time; we'll guess 1995.
+
+# From Rives McDow (1999-11-08):
+# On October 31, when the rest of Nunavut went to Central time,
+# Pangnirtung wobbled.  Here is the result of their wobble:
+#
+# The following businesses and organizations in Pangnirtung use Central Time:
+#
+#	First Air, Power Corp, Nunavut Construction, Health Center, RCMP,
+#	Eastern Arctic National Parks, A & D Specialist
+#
+# The following businesses and organizations in Pangnirtung use Eastern Time:
+#
+#	Hamlet office, All other businesses, Both schools, Airport operator
+#
+# This has made for an interesting situation there, which warranted the news.
+# No one there that I spoke with seems concerned, or has plans to
+# change the local methods of keeping time, as it evidently does not
+# really interfere with any activities or make things difficult locally.
+# They plan to celebrate New Year's turn-over twice, one hour apart,
+# so it appears that the situation will last at least that long.
+# The Nunavut Intergovernmental Affairs hopes that they will "come to
+# their senses", but the locals evidently don't see any problem with
+# the current state of affairs.
+
+# From Michaela Rodrigue, writing in the
+# 
+# Nunatsiaq News (1999-11-19):
+# Clyde River, Pangnirtung and Sanikiluaq now operate with two time zones,
+# central - or Nunavut time - for government offices, and eastern time
+# for municipal offices and schools....  Igloolik [was similar but then]
+# made the switch to central time on Saturday, Nov. 6.
+
+# From Paul Eggert (2000-10-02):
+# Matthews and Vincent (1998) say the following, but we lack histories
+# for these potential new Zones.
+#
+# The Canadian Forces station at Alert uses Eastern Time while the
+# handful of residents at the Eureka weather station [in the Central
+# zone] skip daylight savings.  Baffin Island, which is crossed by the
+# Central, Eastern and Atlantic Time zones only uses Eastern Time.
+# Gjoa Haven, Taloyoak and Pelly Bay all use Mountain instead of
+# Central Time and Southampton Island [in the Central zone] is not
+# required to use daylight savings.
+
+# From
+# 
+# Nunavut now has two time zones
+#  (2000-11-10):
+# The Nunavut government would allow its employees in Kugluktuk and
+# Cambridge Bay to operate on central time year-round, putting them
+# one hour behind the rest of Nunavut for six months during the winter.
+# At the end of October the two communities had rebelled against
+# Nunavut's unified time zone, refusing to shift to eastern time with
+# the rest of the territory for the winter.  Cambridge Bay remained on
+# central time, while Kugluktuk, even farther west, reverted to
+# mountain time, which they had used before the advent of Nunavut's
+# unified time zone in 1999.
+#
+# From Rives McDow (2001-01-20), quoting the Nunavut government:
+# The preceding decision came into effect at midnight, Saturday Nov 4, 2000.
+
+# From Paul Eggert (2000-12-04):
+# Let's just keep track of the official times for now.
+
+# From Rives McDow (2001-03-07):
+# The premier of Nunavut has issued a ministerial statement advising
+# that effective 2001-04-01, the territory of Nunavut will revert
+# back to three time zones (mountain, central, and eastern).  Of the
+# cities in Nunavut, Coral Harbor is the only one that I know of that
+# has said it will not observe dst, staying on EST year round.  I'm
+# checking for more info, and will get back to you if I come up with
+# more.
+# [Also see  (2001-03-09).]
+
+# From Gwillim Law (2005-05-21):
+# According to maps at
+# http://inms-ienm.nrc-cnrc.gc.ca/images/time_services/TZ01SWE.jpg
+# http://inms-ienm.nrc-cnrc.gc.ca/images/time_services/TZ01SSE.jpg
+# (both dated 2003), and
+# http://www.canadiangeographic.ca/Magazine/SO98/geomap.asp
+# (from a 1998 Canadian Geographic article), the de facto and de jure time
+# for Southampton Island (at the north end of Hudson Bay) is UTC-5 all year
+# round.  Using Google, it's easy to find other websites that confirm this.
+# I wasn't able to find how far back this time regimen goes, but since it
+# predates the creation of Nunavut, it probably goes back many years....
+# The Inuktitut name of Coral Harbour is Sallit, but it's rarely used.
+#
+# From Paul Eggert (2005-07-26):
+# For lack of better information, assume that Southampton Island observed
+# daylight saving only during wartime.
+
+# From Chris Walton (2007-03-01):
+# ... the community of Resolute (located on Cornwallis Island in
+# Nunavut) moved from Central Time to Eastern Time last November.
+# Basically the community did not change its clocks at the end of
+# daylight saving....
+# http://www.nnsl.com/frames/newspapers/2006-11/nov13_06none.html
+
+# From Chris Walton (2007-03-14):
+# Today I phoned the "hamlet office" to find out what Resolute was doing with
+# its clocks.
+#
+# The individual that answered the phone confirmed that the clocks did not
+# move at the end of daylight saving on October 29/2006.  He also told me that
+# the clocks did not move this past weekend (March 11/2007)....
+#
+# America/Resolute should use the "Canada" Rule up to October 29/2006.
+# After that it should be fixed on Eastern Standard Time until further notice.
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	NT_YK	1918	only	-	Apr	14	2:00	1:00	D
+Rule	NT_YK	1918	only	-	Oct	27	2:00	0	S
+Rule	NT_YK	1919	only	-	May	25	2:00	1:00	D
+Rule	NT_YK	1919	only	-	Nov	 1	0:00	0	S
+Rule	NT_YK	1942	only	-	Feb	 9	2:00	1:00	W # War
+Rule	NT_YK	1945	only	-	Aug	14	23:00u	1:00	P # Peace
+Rule	NT_YK	1945	only	-	Sep	30	2:00	0	S
+Rule	NT_YK	1965	only	-	Apr	lastSun	0:00	2:00	DD
+Rule	NT_YK	1965	only	-	Oct	lastSun	2:00	0	S
+Rule	NT_YK	1980	1986	-	Apr	lastSun	2:00	1:00	D
+Rule	NT_YK	1980	2006	-	Oct	lastSun	2:00	0	S
+Rule	NT_YK	1987	2006	-	Apr	Sun>=1	2:00	1:00	D
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# aka Panniqtuuq
+Zone America/Pangnirtung 0	-	zzz	1921 # trading post est.
+			-4:00	NT_YK	A%sT	1995 Apr Sun>=1 2:00
+			-5:00	Canada	E%sT	1999 Oct 31 2:00
+			-6:00	Canada	C%sT	2000 Oct 29 2:00
+			-5:00	Canada	E%sT
+# formerly Frobisher Bay
+Zone America/Iqaluit	0	-	zzz	1942 Aug # Frobisher Bay est.
+			-5:00	NT_YK	E%sT	1999 Oct 31 2:00
+			-6:00	Canada	C%sT	2000 Oct 29 2:00
+			-5:00	Canada	E%sT
+# aka Qausuittuq
+Zone America/Resolute	0	-	zzz	1947 Aug 31 # Resolute founded
+			-6:00	NT_YK	C%sT	2000 Oct 29 2:00
+			-5:00	-	EST	2001 Apr  1 3:00
+			-6:00	Canada	C%sT	2006 Oct 29 2:00
+			-5:00	-	EST
+# aka Kangiqiniq
+Zone America/Rankin_Inlet 0	-	zzz	1957 # Rankin Inlet founded
+			-6:00	NT_YK	C%sT	2000 Oct 29 2:00
+			-5:00	-	EST	2001 Apr  1 3:00
+			-6:00	Canada	C%sT
+# aka Iqaluktuuttiaq
+Zone America/Cambridge_Bay 0	-	zzz	1920 # trading post est.?
+			-7:00	NT_YK	M%sT	1999 Oct 31 2:00
+			-6:00	Canada	C%sT	2000 Oct 29 2:00
+			-5:00	-	EST	2000 Nov  5 0:00
+			-6:00	-	CST	2001 Apr  1 3:00
+			-7:00	Canada	M%sT
+Zone America/Yellowknife 0	-	zzz	1935 # Yellowknife founded?
+			-7:00	NT_YK	M%sT	1980
+			-7:00	Canada	M%sT
+Zone America/Inuvik	0	-	zzz	1953 # Inuvik founded
+			-8:00	NT_YK	P%sT	1979 Apr lastSun 2:00
+			-7:00	NT_YK	M%sT	1980
+			-7:00	Canada	M%sT
+Zone America/Whitehorse	-9:00:12 -	LMT	1900 Aug 20
+			-9:00	NT_YK	Y%sT	1966 Jul 1 2:00
+			-8:00	NT_YK	P%sT	1980
+			-8:00	Canada	P%sT
+Zone America/Dawson	-9:17:40 -	LMT	1900 Aug 20
+			-9:00	NT_YK	Y%sT	1973 Oct 28 0:00
+			-8:00	NT_YK	P%sT	1980
+			-8:00	Canada	P%sT
+
+
+###############################################################################
+
+# Mexico
+
+# From Paul Eggert (2001-03-05):
+# The Investigation and Analysis Service of the
+# Mexican Library of Congress (MLoC) has published a
+# 
+# history of Mexican local time (in Spanish)
+# .
+#
+# Here are the discrepancies between Shanks & Pottenger (S&P) and the MLoC.
+# (In all cases we go with the MLoC.)
+# S&P report that Baja was at -8:00 in 1922/1923.
+# S&P say the 1930 transition in Baja was 1930-11-16.
+# S&P report no DST during summer 1931.
+# S&P report a transition at 1932-03-30 23:00, not 1932-04-01.
+
+# From Gwillim Law (2001-02-20):
+# There are some other discrepancies between the Decrees page and the
+# tz database.  I think they can best be explained by supposing that
+# the researchers who prepared the Decrees page failed to find some of
+# the relevant documents.
+
+# From Alan Perry (1996-02-15):
+# A guy from our Mexico subsidiary finally found the Presidential Decree
+# outlining the timezone changes in Mexico.
+#
+# ------------- Begin Forwarded Message -------------
+#
+# I finally got my hands on the Official Presidential Decree that sets up the
+# rules for the DST changes. The rules are:
+#
+# 1. The country is divided in 3 timezones:
+#    - Baja California Norte (the Mexico/BajaNorte TZ)
+#    - Baja California Sur, Nayarit, Sinaloa and Sonora (the Mexico/BajaSur TZ)
+#    - The rest of the country (the Mexico/General TZ)
+#
+# 2. From the first Sunday in April at 2:00 AM to the last Sunday in October
+#    at 2:00 AM, the times in each zone are as follows:
+#    BajaNorte: GMT+7
+#    BajaSur:   GMT+6
+#    General:   GMT+5
+#
+# 3. The rest of the year, the times are as follows:
+#    BajaNorte: GMT+8
+#    BajaSur:   GMT+7
+#    General:   GMT+6
+#
+# The Decree was published in Mexico's Official Newspaper on January 4th.
+#
+# -------------- End Forwarded Message --------------
+# From Paul Eggert (1996-06-12):
+# For an English translation of the decree, see
+# 
+# ``Diario Oficial: Time Zone Changeover'' (1996-01-04).
+# 
+
+# From Rives McDow (1998-10-08):
+# The State of Quintana Roo has reverted back to central STD and DST times
+# (i.e. UTC -0600 and -0500 as of 1998-08-02).
+
+# From Rives McDow (2000-01-10):
+# Effective April 4, 1999 at 2:00 AM local time, Sonora changed to the time
+# zone 5 hours from the International Date Line, and will not observe daylight
+# savings time so as to stay on the same time zone as the southern part of
+# Arizona year round.
+
+# From Jesper Norgaard, translating
+#  (2001-01-17):
+# In Oaxaca, the 55.000 teachers from the Section 22 of the National
+# Syndicate of Education Workers, refuse to apply daylight saving each
+# year, so that the more than 10,000 schools work at normal hour the
+# whole year.
+
+# From Gwillim Law (2001-01-19):
+#  ... says
+# (translated):...
+# January 17, 2000 - The Energy Secretary, Ernesto Martens, announced
+# that Summer Time will be reduced from seven to five months, starting
+# this year....
+# 
+# [translated], says "summer time will ... take effect on the first Sunday
+# in May, and end on the last Sunday of September.
+
+# From Arthur David Olson (2001-01-25):
+# The 2001-01-24 traditional Washington Post contained the page one
+# story "Timely Issue Divides Mexicans."...
+# http://www.washingtonpost.com/wp-dyn/articles/A37383-2001Jan23.html
+# ... Mexico City Mayor Lopez Obrador "...is threatening to keep
+# Mexico City and its 20 million residents on a different time than
+# the rest of the country..." In particular, Lopez Obrador would abolish
+# observation of Daylight Saving Time.
+
+# 
+# Official statute published by the Energy Department
+#  (2001-02-01) shows Baja and Chihauhua as still using US DST rules,
+# and Sonora with no DST.  This was reported by Jesper Norgaard (2001-02-03).
+
+# From Paul Eggert (2001-03-03):
+#
+# 
+# James F. Smith writes in today's LA Times
+# 
+# * Sonora will continue to observe standard time.
+# * Last week Mexico City's mayor Andres Manuel Lopez Obrador decreed that
+#   the Federal District will not adopt DST.
+# * 4 of 16 district leaders announced they'll ignore the decree.
+# * The decree does not affect federal-controlled facilities including
+#   the airport, banks, hospitals, and schools.
+#
+# For now we'll assume that the Federal District will bow to federal rules.
+
+# From Jesper Norgaard (2001-04-01):
+# I found some references to the Mexican application of daylight
+# saving, which modifies what I had already sent you, stating earlier
+# that a number of northern Mexican states would go on daylight
+# saving. The modification reverts this to only cover Baja California
+# (Norte), while all other states (except Sonora, who has no daylight
+# saving all year) will follow the original decree of president
+# Vicente Fox, starting daylight saving May 6, 2001 and ending
+# September 30, 2001.
+# References: "Diario de Monterrey" 
+# Palabra  (2001-03-31)
+
+# From Reuters (2001-09-04):
+# Mexico's Supreme Court on Tuesday declared that daylight savings was
+# unconstitutional in Mexico City, creating the possibility the
+# capital will be in a different time zone from the rest of the nation
+# next year....  The Supreme Court's ruling takes effect at 2:00
+# a.m. (0800 GMT) on Sept. 30, when Mexico is scheduled to revert to
+# standard time. "This is so residents of the Federal District are not
+# subject to unexpected time changes," a statement from the court said.
+
+# From Jesper Norgaard Welen (2002-03-12):
+# ... consulting my local grocery store(!) and my coworkers, they all insisted
+# that a new decision had been made to reinstate US style DST in Mexico....
+# http://www.conae.gob.mx/ahorro/horaver2001_m1_2002.html (2002-02-20)
+# confirms this.  Sonora as usual is the only state where DST is not applied.
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Mexico	1939	only	-	Feb	5	0:00	1:00	D
+Rule	Mexico	1939	only	-	Jun	25	0:00	0	S
+Rule	Mexico	1940	only	-	Dec	9	0:00	1:00	D
+Rule	Mexico	1941	only	-	Apr	1	0:00	0	S
+Rule	Mexico	1943	only	-	Dec	16	0:00	1:00	W # War
+Rule	Mexico	1944	only	-	May	1	0:00	0	S
+Rule	Mexico	1950	only	-	Feb	12	0:00	1:00	D
+Rule	Mexico	1950	only	-	Jul	30	0:00	0	S
+Rule	Mexico	1996	2000	-	Apr	Sun>=1	2:00	1:00	D
+Rule	Mexico	1996	2000	-	Oct	lastSun	2:00	0	S
+Rule	Mexico	2001	only	-	May	Sun>=1	2:00	1:00	D
+Rule	Mexico	2001	only	-	Sep	lastSun	2:00	0	S
+Rule	Mexico	2002	max	-	Apr	Sun>=1	2:00	1:00	D
+Rule	Mexico	2002	max	-	Oct	lastSun	2:00	0	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Quintana Roo
+Zone America/Cancun	-5:47:04 -	LMT	1922 Jan  1  0:12:56
+			-6:00	-	CST	1981 Dec 23
+			-5:00	Mexico	E%sT	1998 Aug  2  2:00
+			-6:00	Mexico	C%sT
+# Campeche, Yucatan
+Zone America/Merida	-5:58:28 -	LMT	1922 Jan  1  0:01:32
+			-6:00	-	CST	1981 Dec 23
+			-5:00	-	EST	1982 Dec  2
+			-6:00	Mexico	C%sT
+# Coahuila, Durango, Nuevo Leon, Tamaulipas
+Zone America/Monterrey	-6:41:16 -	LMT	1921 Dec 31 23:18:44
+			-6:00	-	CST	1988
+			-6:00	US	C%sT	1989
+			-6:00	Mexico	C%sT
+# Central Mexico
+Zone America/Mexico_City -6:36:36 -	LMT	1922 Jan  1  0:23:24
+			-7:00	-	MST	1927 Jun 10 23:00
+			-6:00	-	CST	1930 Nov 15
+			-7:00	-	MST	1931 May  1 23:00
+			-6:00	-	CST	1931 Oct
+			-7:00	-	MST	1932 Apr  1
+			-6:00	Mexico	C%sT	2001 Sep 30 02:00
+			-6:00	-	CST	2002 Feb 20
+			-6:00	Mexico	C%sT
+# Chihuahua
+Zone America/Chihuahua	-7:04:20 -	LMT	1921 Dec 31 23:55:40
+			-7:00	-	MST	1927 Jun 10 23:00
+			-6:00	-	CST	1930 Nov 15
+			-7:00	-	MST	1931 May  1 23:00
+			-6:00	-	CST	1931 Oct
+			-7:00	-	MST	1932 Apr  1
+			-6:00	-	CST	1996
+			-6:00	Mexico	C%sT	1998
+			-6:00	-	CST	1998 Apr Sun>=1 3:00
+			-7:00	Mexico	M%sT
+# Sonora
+Zone America/Hermosillo	-7:23:52 -	LMT	1921 Dec 31 23:36:08
+			-7:00	-	MST	1927 Jun 10 23:00
+			-6:00	-	CST	1930 Nov 15
+			-7:00	-	MST	1931 May  1 23:00
+			-6:00	-	CST	1931 Oct
+			-7:00	-	MST	1932 Apr  1
+			-6:00	-	CST	1942 Apr 24
+			-7:00	-	MST	1949 Jan 14
+			-8:00	-	PST	1970
+			-7:00	Mexico	M%sT	1999
+			-7:00	-	MST
+# Baja California Sur, Nayarit, Sinaloa
+Zone America/Mazatlan	-7:05:40 -	LMT	1921 Dec 31 23:54:20
+			-7:00	-	MST	1927 Jun 10 23:00
+			-6:00	-	CST	1930 Nov 15
+			-7:00	-	MST	1931 May  1 23:00
+			-6:00	-	CST	1931 Oct
+			-7:00	-	MST	1932 Apr  1
+			-6:00	-	CST	1942 Apr 24
+			-7:00	-	MST	1949 Jan 14
+			-8:00	-	PST	1970
+			-7:00	Mexico	M%sT
+# Baja California
+Zone America/Tijuana	-7:48:04 -	LMT	1922 Jan  1  0:11:56
+			-7:00	-	MST	1924
+			-8:00	-	PST	1927 Jun 10 23:00
+			-7:00	-	MST	1930 Nov 15
+			-8:00	-	PST	1931 Apr  1
+			-8:00	1:00	PDT	1931 Sep 30
+			-8:00	-	PST	1942 Apr 24
+			-8:00	1:00	PWT	1945 Aug 14 23:00u
+			-8:00	1:00	PPT	1945 Nov 12 # Peace
+			-8:00	-	PST	1948 Apr  5
+			-8:00	1:00	PDT	1949 Jan 14
+			-8:00	-	PST	1954
+			-8:00	CA	P%sT	1961
+			-8:00	-	PST	1976
+			-8:00	US	P%sT	1996
+			-8:00	Mexico	P%sT	2001
+			-8:00	US	P%sT	2002 Feb 20
+			-8:00	Mexico	P%sT
+# From Paul Eggert (2006-03-22):
+# Formerly there was an America/Ensenada zone, which differed from
+# America/Tijuana only in that it did not observe DST from 1976
+# through 1995.  This was as per Shanks (1999).  But Shanks & Pottenger say
+# Ensenada did not observe DST from 1948 through 1975.  Guy Harris reports
+# that the 1987 OAG says "Only Ensenada, Mexicale, San Felipe and
+# Tijuana observe DST," which agrees with Shanks & Pottenger but implies that
+# DST-observance was a town-by-town matter back then.  This concerns
+# data after 1970 so most likely there should be at least one Zone
+# other than America/Tijuana for Baja, but it's not clear yet what its
+# name or contents should be.
+#
+# Revillagigedo Is
+# no information
+
+###############################################################################
+
+# Anguilla
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Anguilla	-4:12:16 -	LMT	1912 Mar 2
+			-4:00	-	AST
+
+# Antigua and Barbuda
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	America/Antigua	-4:07:12 -	LMT	1912 Mar 2
+			-5:00	-	EST	1951
+			-4:00	-	AST
+
+# Bahamas
+#
+# From Sue Williams (2006-12-07):
+# The Bahamas announced about a month ago that they plan to change their DST
+# rules to sync with the U.S. starting in 2007....
+# http://www.jonesbahamas.com/?c=45&a=10412
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Bahamas	1964	2006	-	Oct	lastSun	2:00	0	S
+Rule	Bahamas	1964	1986	-	Apr	lastSun	2:00	1:00	D
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	America/Nassau	-5:09:24 -	LMT	1912 Mar 2
+			-5:00	Bahamas	E%sT	1976
+			-5:00	US	E%sT
+
+# Barbados
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Barb	1977	only	-	Jun	12	2:00	1:00	D
+Rule	Barb	1977	1978	-	Oct	Sun>=1	2:00	0	S
+Rule	Barb	1978	1980	-	Apr	Sun>=15	2:00	1:00	D
+Rule	Barb	1979	only	-	Sep	30	2:00	0	S
+Rule	Barb	1980	only	-	Sep	25	2:00	0	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Barbados	-3:58:28 -	LMT	1924		# Bridgetown
+			-3:58:28 -	BMT	1932	  # Bridgetown Mean Time
+			-4:00	Barb	A%sT
+
+# Belize
+# Whitman entirely disagrees with Shanks; go with Shanks & Pottenger.
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Belize	1918	1942	-	Oct	Sun>=2	0:00	0:30	HD
+Rule	Belize	1919	1943	-	Feb	Sun>=9	0:00	0	S
+Rule	Belize	1973	only	-	Dec	 5	0:00	1:00	D
+Rule	Belize	1974	only	-	Feb	 9	0:00	0	S
+Rule	Belize	1982	only	-	Dec	18	0:00	1:00	D
+Rule	Belize	1983	only	-	Feb	12	0:00	0	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	America/Belize	-5:52:48 -	LMT	1912 Apr
+			-6:00	Belize	C%sT
+
+# Bermuda
+
+# From Dan Jones, reporting in The Royal Gazette (2006-06-26):
+
+# Next year, however, clocks in the US will go forward on the second Sunday
+# in March, until the first Sunday in November.  And, after the Time Zone
+# (Seasonal Variation) Bill 2006 was passed in the House of Assembly on
+# Friday, the same thing will happen in Bermuda.
+# http://www.theroyalgazette.com/apps/pbcs.dll/article?AID=/20060529/NEWS/105290135
+
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Atlantic/Bermuda	-4:19:04 -	LMT	1930 Jan  1 2:00    # Hamilton
+			-4:00	-	AST	1974 Apr 28 2:00
+			-4:00	Bahamas	A%sT	1976
+			-4:00	US	A%sT
+
+# Cayman Is
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	America/Cayman	-5:25:32 -	LMT	1890		# Georgetown
+			-5:07:12 -	KMT	1912 Feb    # Kingston Mean Time
+			-5:00	-	EST
+
+# Costa Rica
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	CR	1979	1980	-	Feb	lastSun	0:00	1:00	D
+Rule	CR	1979	1980	-	Jun	Sun>=1	0:00	0	S
+Rule	CR	1991	1992	-	Jan	Sat>=15	0:00	1:00	D
+# IATA SSIM (1991-09) says the following was at 1:00;
+# go with Shanks & Pottenger.
+Rule	CR	1991	only	-	Jul	 1	0:00	0	S
+Rule	CR	1992	only	-	Mar	15	0:00	0	S
+# There are too many San Joses elsewhere, so we'll use `Costa Rica'.
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Costa_Rica	-5:36:20 -	LMT	1890		# San Jose
+			-5:36:20 -	SJMT	1921 Jan 15 # San Jose Mean Time
+			-6:00	CR	C%sT
+# Coco
+# no information; probably like America/Costa_Rica
+
+# Cuba
+
+# From Arthur David Olson (1999-03-29):
+# The 1999-03-28 exhibition baseball game held in Havana, Cuba, between
+# the Cuban National Team and the Baltimore Orioles was carried live on
+# the Orioles Radio Network, including affiliate WTOP in Washington, DC.
+# During the game, play-by-play announcer Jim Hunter noted that
+# "We'll be losing two hours of sleep...Cuba switched to Daylight Saving
+# Time today."  (The "two hour" remark referred to losing one hour of
+# sleep on 1999-03-28--when the announcers were in Cuba as it switched
+# to DST--and one more hour on 1999-04-04--when the announcers will have
+# returned to Baltimore, which switches on that date.)
+
+# From Evert van der Veer via Steffen Thorsen (2004-10-28):
+# Cuba is not going back to standard time this year.
+# From Paul Eggert (2006-03-22):
+# http://www.granma.cu/ingles/2004/septiembre/juev30/41medid-i.html
+# says that it's due to a problem at the Antonio Guiteras
+# thermoelectric plant, and says "This October there will be no return
+# to normal hours (after daylight saving time)".
+# For now, let's assume that it's a temporary measure.
+
+# From Carlos A. Carnero Delgado (2005-11-12):
+# This year (just like in 2004-2005) there's no change in time zone
+# adjustment in Cuba.  We will stay in daylight saving time:
+# http://www.granma.cu/espanol/2005/noviembre/mier9/horario.html
+
+# From Jesper Norgaard Welen (2006-10-21):
+# An article in GRANMA INTERNACIONAL claims that Cuba will end
+# the 3 years of permanent DST next weekend, see
+# http://www.granma.cu/ingles/2006/octubre/lun16/43horario.html
+# "On Saturday night, October 28 going into Sunday, October 29, at 01:00,
+# watches should be set back one hour -- going back to 00:00 hours -- returning
+# to the normal schedule....
+
+# From Paul Eggert (2007-03-02):
+# http://www.granma.cubaweb.cu/english/news/art89.html, dated yesterday,
+# says Cuban clocks will advance at midnight on March 10.
+# For lack of better information, assume Cuba will use US rules,
+# except that it switches at midnight standard time as usual.
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Cuba	1928	only	-	Jun	10	0:00	1:00	D
+Rule	Cuba	1928	only	-	Oct	10	0:00	0	S
+Rule	Cuba	1940	1942	-	Jun	Sun>=1	0:00	1:00	D
+Rule	Cuba	1940	1942	-	Sep	Sun>=1	0:00	0	S
+Rule	Cuba	1945	1946	-	Jun	Sun>=1	0:00	1:00	D
+Rule	Cuba	1945	1946	-	Sep	Sun>=1	0:00	0	S
+Rule	Cuba	1965	only	-	Jun	1	0:00	1:00	D
+Rule	Cuba	1965	only	-	Sep	30	0:00	0	S
+Rule	Cuba	1966	only	-	May	29	0:00	1:00	D
+Rule	Cuba	1966	only	-	Oct	2	0:00	0	S
+Rule	Cuba	1967	only	-	Apr	8	0:00	1:00	D
+Rule	Cuba	1967	1968	-	Sep	Sun>=8	0:00	0	S
+Rule	Cuba	1968	only	-	Apr	14	0:00	1:00	D
+Rule	Cuba	1969	1977	-	Apr	lastSun	0:00	1:00	D
+Rule	Cuba	1969	1971	-	Oct	lastSun	0:00	0	S
+Rule	Cuba	1972	1974	-	Oct	8	0:00	0	S
+Rule	Cuba	1975	1977	-	Oct	lastSun	0:00	0	S
+Rule	Cuba	1978	only	-	May	7	0:00	1:00	D
+Rule	Cuba	1978	1990	-	Oct	Sun>=8	0:00	0	S
+Rule	Cuba	1979	1980	-	Mar	Sun>=15	0:00	1:00	D
+Rule	Cuba	1981	1985	-	May	Sun>=5	0:00	1:00	D
+Rule	Cuba	1986	1989	-	Mar	Sun>=14	0:00	1:00	D
+Rule	Cuba	1990	1997	-	Apr	Sun>=1	0:00	1:00	D
+Rule	Cuba	1991	1995	-	Oct	Sun>=8	0:00s	0	S
+Rule	Cuba	1996	only	-	Oct	 6	0:00s	0	S
+Rule	Cuba	1997	only	-	Oct	12	0:00s	0	S
+Rule	Cuba	1998	1999	-	Mar	lastSun	0:00s	1:00	D
+Rule	Cuba	1998	2003	-	Oct	lastSun	0:00s	0	S
+Rule	Cuba	2000	2006	-	Apr	Sun>=1	0:00s	1:00	D
+Rule	Cuba	2006	only	-	Oct	lastSun	0:00s	0	S
+Rule	Cuba	2007	max	-	Mar	Sun>=8	0:00s	1:00	D
+Rule	Cuba	2007	max	-	Nov	Sun>=1	0:00s	0	S
+
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	America/Havana	-5:29:28 -	LMT	1890
+			-5:29:36 -	HMT	1925 Jul 19 12:00 # Havana MT
+			-5:00	Cuba	C%sT
+
+# Dominica
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Dominica	-4:05:36 -	LMT	1911 Jul 1 0:01		# Roseau
+			-4:00	-	AST
+
+# Dominican Republic
+
+# From Steffen Thorsen (2000-10-30):
+# Enrique Morales reported to me that the Dominican Republic has changed the
+# time zone to Eastern Standard Time as of Sunday 29 at 2 am....
+# http://www.listin.com.do/antes/261000/republica/princi.html
+
+# From Paul Eggert (2000-12-04):
+# That URL (2000-10-26, in Spanish) says they planned to use US-style DST.
+
+# From Rives McDow (2000-12-01):
+# Dominican Republic changed its mind and presidential decree on Tuesday,
+# November 28, 2000, with a new decree.  On Sunday, December 3 at 1:00 AM the
+# Dominican Republic will be reverting to 8 hours from the International Date
+# Line, and will not be using DST in the foreseeable future.  The reason they
+# decided to use DST was to be in synch with Puerto Rico, who was also going
+# to implement DST.  When Puerto Rico didn't implement DST, the president
+# decided to revert.
+
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	DR	1966	only	-	Oct	30	0:00	1:00	D
+Rule	DR	1967	only	-	Feb	28	0:00	0	S
+Rule	DR	1969	1973	-	Oct	lastSun	0:00	0:30	HD
+Rule	DR	1970	only	-	Feb	21	0:00	0	S
+Rule	DR	1971	only	-	Jan	20	0:00	0	S
+Rule	DR	1972	1974	-	Jan	21	0:00	0	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Santo_Domingo -4:39:36 -	LMT	1890
+			-4:40	-	SDMT	1933 Apr  1 12:00 # S. Dom. MT
+			-5:00	DR	E%sT	1974 Oct 27
+			-4:00	-	AST	2000 Oct 29 02:00
+			-5:00	US	E%sT	2000 Dec  3 01:00
+			-4:00	-	AST
+
+# El Salvador
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Salv	1987	1988	-	May	Sun>=1	0:00	1:00	D
+Rule	Salv	1987	1988	-	Sep	lastSun	0:00	0	S
+# There are too many San Salvadors elsewhere, so use America/El_Salvador
+# instead of America/San_Salvador.
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/El_Salvador -5:56:48 -	LMT	1921		# San Salvador
+			-6:00	Salv	C%sT
+
+# Grenada
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	America/Grenada	-4:07:00 -	LMT	1911 Jul	# St George's
+			-4:00	-	AST
+
+# Guadeloupe
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Guadeloupe	-4:06:08 -	LMT	1911 Jun 8	# Pointe a Pitre
+			-4:00	-	AST
+
+# Guatemala
+#
+# From Gwillim Law (2006-04-22), after a heads-up from Oscar van Vlijmen:
+# Diario Co Latino, at
+# http://www.diariocolatino.com/internacionales/detalles.asp?NewsID=8079,
+# says in an article dated 2006-04-19 that the Guatemalan government had
+# decided on that date to advance official time by 60 minutes, to lessen the
+# impact of the elevated cost of oil....  Daylight saving time will last from
+# 2006-04-29 24:00 (Guatemalan standard time) to 2006-09-30 (time unspecified).
+# From Paul Eggert (2006-06-22):
+# The Ministry of Energy and Mines, press release CP-15/2006
+# (2006-04-19), says DST ends at 24:00.  See
+# .
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Guat	1973	only	-	Nov	25	0:00	1:00	D
+Rule	Guat	1974	only	-	Feb	24	0:00	0	S
+Rule	Guat	1983	only	-	May	21	0:00	1:00	D
+Rule	Guat	1983	only	-	Sep	22	0:00	0	S
+Rule	Guat	1991	only	-	Mar	23	0:00	1:00	D
+Rule	Guat	1991	only	-	Sep	 7	0:00	0	S
+Rule	Guat	2006	only	-	Apr	30	0:00	1:00	D
+Rule	Guat	2006	only	-	Oct	 1	0:00	0	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Guatemala	-6:02:04 -	LMT	1918 Oct 5
+			-6:00	Guat	C%sT
+
+# Haiti
+# From Gwillim Law (2005-04-15):
+# Risto O. Nykanen wrote me that Haiti is now on DST.
+# I searched for confirmation, and I found a
+#  press release
+# on the Web page of the Haitian Consulate in Chicago (2005-03-31),
+# .  Translated from French, it says:
+#
+#  "The Prime Minister's Communication Office notifies the public in general
+#   and the press in particular that, following a decision of the Interior
+#   Ministry and the Territorial Collectivities [I suppose that means the
+#   provinces], Haiti will move to Eastern Daylight Time in the night from next
+#   Saturday the 2nd to Sunday the 3rd.
+#
+#  "Consequently, the Prime Minister's Communication Office wishes to inform
+#   the population that the country's clocks will be set forward one hour
+#   starting at midnight.  This provision will hold until the last Saturday in
+#   October 2005.
+#
+#  "Port-au-Prince, March 31, 2005"
+#
+# From Steffen Thorsen (2006-04-04):
+# I have been informed by users that Haiti observes DST this year like
+# last year, so the current "only" rule for 2005 might be changed to a
+# "max" rule or to last until 2006. (Who knows if they will observe DST
+# next year or if they will extend their DST like US/Canada next year).
+#
+# I have found this article about it (in French):
+# http://www.haitipressnetwork.com/news.cfm?articleID=7612
+#
+# The reason seems to be an energy crisis.
+
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Haiti	1983	only	-	May	8	0:00	1:00	D
+Rule	Haiti	1984	1987	-	Apr	lastSun	0:00	1:00	D
+Rule	Haiti	1983	1987	-	Oct	lastSun	0:00	0	S
+# Shanks & Pottenger say AT is 2:00, but IATA SSIM (1991/1997) says 1:00s.
+# Go with IATA.
+Rule	Haiti	1988	1997	-	Apr	Sun>=1	1:00s	1:00	D
+Rule	Haiti	1988	1997	-	Oct	lastSun	1:00s	0	S
+Rule	Haiti	2005	max	-	Apr	Sun>=1	0:00	1:00	D
+Rule	Haiti	2005	max	-	Oct	lastSun	0:00	0	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Port-au-Prince -4:49:20 -	LMT	1890
+			-4:49	-	PPMT	1917 Jan 24 12:00 # P-a-P MT
+			-5:00	Haiti	E%sT
+
+# Honduras
+# Shanks & Pottenger say 1921 Jan 1; go with Whitman's more precise Apr 1.
+
+# From Paul Eggert (2006-05-05):
+# worldtimezone.com reports a 2006-05-02 Spanish-language AP article
+# saying Honduras will start using DST midnight Saturday, effective 4
+# months until September.  La Tribuna reported today
+#  that Manuel Zelaya, the president
+# of Honduras, refused to back down on this.
+
+# From Jesper Norgaard Welen (2006-08-08):
+# It seems that Honduras has returned from DST to standard time this Monday at
+# 00:00 hours (prolonging Sunday to 25 hours duration).
+# http://www.worldtimezone.com/dst_news/dst_news_honduras04.html
+
+# From Paul Eggert (2006-08-08):
+# Also see Diario El Heraldo, The country returns to standard time (2006-08-08)
+# .
+# It mentions executive decree 18-2006.
+
+# From Steffen Thorsen (2006-08-17):
+# Honduras will observe DST from 2007 to 2009, exact dates are not
+# published, I have located this authoritative source:
+# http://www.presidencia.gob.hn/noticia.aspx?nId=47
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Hond	1987	1988	-	May	Sun>=1	0:00	1:00	D
+Rule	Hond	1987	1988	-	Sep	lastSun	0:00	0	S
+Rule	Hond	2006	2009	-	May	Sun>=1	0:00	1:00	D
+Rule	Hond	2006	2009	-	Aug	Mon>=1	0:00	0	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Tegucigalpa -5:48:52 -	LMT	1921 Apr
+			-6:00	Hond	C%sT
+#
+# Great Swan I ceded by US to Honduras in 1972
+
+# Jamaica
+
+# From Bob Devine (1988-01-28):
+# Follows US rules.
+
+# From U. S. Naval Observatory (1989-01-19):
+# JAMAICA             5 H  BEHIND UTC
+
+# From Shanks & Pottenger:
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	America/Jamaica	-5:07:12 -	LMT	1890		# Kingston
+			-5:07:12 -	KMT	1912 Feb    # Kingston Mean Time
+			-5:00	-	EST	1974 Apr 28 2:00
+			-5:00	US	E%sT	1984
+			-5:00	-	EST
+
+# Martinique
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Martinique	-4:04:20 -      LMT	1890		# Fort-de-France
+			-4:04:20 -	FFMT	1911 May     # Fort-de-France MT
+			-4:00	-	AST	1980 Apr  6
+			-4:00	1:00	ADT	1980 Sep 28
+			-4:00	-	AST
+
+# Montserrat
+# From Paul Eggert (2006-03-22):
+# In 1995 volcanic eruptions forced evacuation of Plymouth, the capital.
+# world.gazetteer.com says Cork Hill is the most populous location now.
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Montserrat	-4:08:52 -	LMT	1911 Jul 1 0:01   # Cork Hill
+			-4:00	-	AST
+
+# Nicaragua
+#
+# This uses Shanks & Pottenger for times before 2005.
+#
+# From Steffen Thorsen (2005-04-12):
+# I've got reports from 8 different people that Nicaragua just started
+# DST on Sunday 2005-04-10, in order to save energy because of
+# expensive petroleum.  The exact end date for DST is not yet
+# announced, only "September" but some sites also say "mid-September".
+# Some background information is available on the President's official site:
+# http://www.presidencia.gob.ni/Presidencia/Files_index/Secretaria/Notas%20de%20Prensa/Presidente/2005/ABRIL/Gobierno-de-nicaragua-adelanta-hora-oficial-06abril.htm
+# The Decree, no 23-2005 is available here:
+# http://www.presidencia.gob.ni/buscador_gaceta/BD/DECRETOS/2005/Decreto%2023-2005%20Se%20adelanta%20en%20una%20hora%20en%20todo%20el%20territorio%20nacional%20apartir%20de%20las%2024horas%20del%2009%20de%20Abril.pdf
+#
+# From Paul Eggert (2005-05-01):
+# The decree doesn't say anything about daylight saving, but for now let's
+# assume that it is daylight saving....
+#
+# From Gwillim Law (2005-04-21):
+# The Associated Press story on the time change, which can be found at
+# http://www.lapalmainteractivo.com/guias/content/gen/ap/America_Latina/AMC_GEN_NICARAGUA_HORA.html
+# and elsewhere, says (fifth paragraph, translated from Spanish):  "The last
+# time that a change of clocks was applied to save energy was in the year 2000
+# during the Arnoldo Aleman administration."...
+# The northamerica file says that Nicaragua has been on UTC-6 continuously
+# since December 1998.  I wasn't able to find any details of Nicaraguan time
+# changes in 2000.  Perhaps a note could be added to the northamerica file, to
+# the effect that we have indirect evidence that DST was observed in 2000.
+#
+# From Jesper Norgaard Welen (2005-11-02):
+# Nicaragua left DST the 2005-10-02 at 00:00 (local time).
+# http://www.presidencia.gob.ni/presidencia/files_index/secretaria/comunicados/2005/septiembre/26septiembre-cambio-hora.htm
+# (2005-09-26)
+#
+# From Jesper Norgaard Welen (2006-05-05):
+# http://www.elnuevodiario.com.ni/2006/05/01/nacionales/18410
+# (my informal translation)
+# By order of the president of the republic, Enrique Bolanos, Nicaragua
+# advanced by sixty minutes their official time, yesterday at 2 in the
+# morning, and will stay that way until 30.th. of september.
+#
+# From Jesper Norgaard Welen (2006-09-30):
+# http://www.presidencia.gob.ni/buscador_gaceta/BD/DECRETOS/2006/D-063-2006P-PRN-Cambio-Hora.pdf
+# My informal translation runs:
+# The natural sun time is restored in all the national territory, in that the
+# time is returned one hour at 01:00 am of October 1 of 2006.
+#
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Nic	1979	1980	-	Mar	Sun>=16	0:00	1:00	D
+Rule	Nic	1979	1980	-	Jun	Mon>=23	0:00	0	S
+Rule	Nic	2005	only	-	Apr	10	0:00	1:00	D
+Rule	Nic	2005	only	-	Oct	Sun>=1	0:00	0	S
+Rule	Nic	2006	only	-	Apr	30	2:00	1:00	D
+Rule	Nic	2006	only	-	Oct	Sun>=1	1:00	0	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	America/Managua	-5:45:08 -	LMT	1890
+			-5:45:12 -	MMT	1934 Jun 23 # Managua Mean Time?
+			-6:00	-	CST	1973 May
+			-5:00	-	EST	1975 Feb 16
+			-6:00	Nic	C%sT	1992 Jan  1 4:00
+			-5:00	-	EST	1992 Sep 24
+			-6:00	-	CST	1993
+			-5:00	-	EST	1997
+			-6:00	Nic	C%sT
+
+# Panama
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	America/Panama	-5:18:08 -	LMT	1890
+			-5:19:36 -	CMT	1908 Apr 22   # Colon Mean Time
+			-5:00	-	EST
+
+# Puerto Rico
+# There are too many San Juans elsewhere, so we'll use `Puerto_Rico'.
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Puerto_Rico -4:24:25 -	LMT	1899 Mar 28 12:00    # San Juan
+			-4:00	-	AST	1942 May  3
+			-4:00	US	A%sT	1946
+			-4:00	-	AST
+
+# St Kitts-Nevis
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/St_Kitts	-4:10:52 -	LMT	1912 Mar 2	# Basseterre
+			-4:00	-	AST
+
+# St Lucia
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/St_Lucia	-4:04:00 -	LMT	1890		# Castries
+			-4:04:00 -	CMT	1912	    # Castries Mean Time
+			-4:00	-	AST
+
+# St Pierre and Miquelon
+# There are too many St Pierres elsewhere, so we'll use `Miquelon'.
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Miquelon	-3:44:40 -	LMT	1911 May 15	# St Pierre
+			-4:00	-	AST	1980 May
+			-3:00	-	PMST	1987 # Pierre & Miquelon Time
+			-3:00	Canada	PM%sT
+
+# St Vincent and the Grenadines
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/St_Vincent	-4:04:56 -	LMT	1890		# Kingstown
+			-4:04:56 -	KMT	1912	   # Kingstown Mean Time
+			-4:00	-	AST
+
+# Turks and Caicos
+# From Paul Eggert (2006-03-22):
+# Shanks & Pottenger say they use US DST rules, but IATA SSIM (1991/1998)
+# says they switch at midnight.  Go with IATA SSIM.
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	TC	1979	1986	-	Apr	lastSun	0:00	1:00	D
+Rule	TC	1979	max	-	Oct	lastSun	0:00	0	S
+Rule	TC	1987	max	-	Apr	Sun>=1	0:00	1:00	D
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Grand_Turk	-4:44:32 -	LMT	1890
+			-5:07:12 -	KMT	1912 Feb    # Kingston Mean Time
+			-5:00	TC	E%sT
+
+# British Virgin Is
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Tortola	-4:18:28 -	LMT	1911 Jul    # Road Town
+			-4:00	-	AST
+
+# Virgin Is
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/St_Thomas	-4:19:44 -	LMT	1911 Jul    # Charlotte Amalie
+			-4:00	-	AST
diff --git a/commands/zoneinfo/pacificnew b/commands/zoneinfo/pacificnew
new file mode 100644
index 000000000..667940bf5
--- /dev/null
+++ b/commands/zoneinfo/pacificnew
@@ -0,0 +1,26 @@
+# @(#)pacificnew	8.1
+
+# From Arthur David Olson (1989-04-05):
+# On 1989-04-05, the U. S. House of Representatives passed (238-154) a bill
+# establishing "Pacific Presidential Election Time"; it was not acted on
+# by the Senate or signed into law by the President.
+# You might want to change the "PE" (Presidential Election) below to
+# "Q" (Quadrennial) to maintain three-character zone abbreviations.
+# If you're really conservative, you might want to change it to "D".
+# Avoid "L" (Leap Year), which won't be true in 2100.
+
+# If Presidential Election Time is ever established, replace "XXXX" below
+# with the year the law takes effect and uncomment the "##" lines.
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+## Rule	Twilite	XXXX	max	-	Apr	Sun>=1	2:00	1:00	D
+## Rule	Twilite	XXXX	max	uspres	Oct	lastSun	2:00	1:00	PE
+## Rule	Twilite	XXXX	max	uspres	Nov	Sun>=7	2:00	0	S
+## Rule	Twilite	XXXX	max	nonpres	Oct	lastSun	2:00	0	S
+
+# Zone	NAME			GMTOFF	RULES/SAVE	FORMAT	[UNTIL]
+## Zone	America/Los_Angeles-PET	-8:00	US		P%sT	XXXX
+##				-8:00	Twilite		P%sT
+
+# For now...
+Link	America/Los_Angeles	US/Pacific-New	##
diff --git a/commands/zoneinfo/private.h b/commands/zoneinfo/private.h
new file mode 100644
index 000000000..d42d12748
--- /dev/null
+++ b/commands/zoneinfo/private.h
@@ -0,0 +1,316 @@
+#ifndef PRIVATE_H
+
+#define PRIVATE_H
+
+/*
+** This file is in the public domain, so clarified as of
+** 1996-06-05 by Arthur David Olson.
+*/
+
+/*
+** This header is for use ONLY with the time conversion code.
+** There is no guarantee that it will remain unchanged,
+** or that it will remain at all.
+** Do NOT copy it to any system include directory.
+** Thank you!
+*/
+
+/*
+** ID
+*/
+
+#ifndef lint
+#ifndef NOID
+static char	privatehid[] = "@(#)private.h	7.55";
+#endif /* !defined NOID */
+#endif /* !defined lint */
+
+#define GRANDPARENTED	"Local time zone must be set--see zic manual page"
+
+/*
+** Defaults for preprocessor symbols.
+** You can override these in your C compiler options, e.g. `-DHAVE_ADJTIME=0'.
+*/
+
+#ifndef HAVE_ADJTIME
+#define HAVE_ADJTIME		1
+#endif /* !defined HAVE_ADJTIME */
+
+#ifndef HAVE_GETTEXT
+#define HAVE_GETTEXT		0
+#endif /* !defined HAVE_GETTEXT */
+
+#ifndef HAVE_INCOMPATIBLE_CTIME_R
+#define HAVE_INCOMPATIBLE_CTIME_R	0
+#endif /* !defined INCOMPATIBLE_CTIME_R */
+
+#ifndef HAVE_SETTIMEOFDAY
+#define HAVE_SETTIMEOFDAY	3
+#endif /* !defined HAVE_SETTIMEOFDAY */
+
+#ifndef HAVE_STRERROR
+#define HAVE_STRERROR		1
+#endif /* !defined HAVE_STRERROR */
+
+#ifndef HAVE_SYMLINK
+#define HAVE_SYMLINK		1
+#endif /* !defined HAVE_SYMLINK */
+
+#ifndef HAVE_SYS_STAT_H
+#define HAVE_SYS_STAT_H		1
+#endif /* !defined HAVE_SYS_STAT_H */
+
+#ifndef HAVE_SYS_WAIT_H
+#define HAVE_SYS_WAIT_H		1
+#endif /* !defined HAVE_SYS_WAIT_H */
+
+#ifndef HAVE_UNISTD_H
+#define HAVE_UNISTD_H		1
+#endif /* !defined HAVE_UNISTD_H */
+
+#ifndef HAVE_UTMPX_H
+#define HAVE_UTMPX_H		0
+#endif /* !defined HAVE_UTMPX_H */
+
+#ifndef LOCALE_HOME
+#define LOCALE_HOME		"/usr/lib/locale"
+#endif /* !defined LOCALE_HOME */
+
+#if HAVE_INCOMPATIBLE_CTIME_R
+#define asctime_r _incompatible_asctime_r
+#define ctime_r _incompatible_ctime_r
+#endif /* HAVE_INCOMPATIBLE_CTIME_R */
+
+/*
+** Nested includes
+*/
+
+#include "sys/types.h"	/* for time_t */
+#include "stdio.h"
+#include "errno.h"
+#include "string.h"
+#include "limits.h"	/* for CHAR_BIT */
+#include "time.h"
+#include "stdlib.h"
+
+#if HAVE_GETTEXT
+#include "libintl.h"
+#endif /* HAVE_GETTEXT */
+
+#if HAVE_SYS_WAIT_H
+#include 	/* for WIFEXITED and WEXITSTATUS */
+#endif /* HAVE_SYS_WAIT_H */
+
+#ifndef WIFEXITED
+#define WIFEXITED(status)	(((status) & 0xff) == 0)
+#endif /* !defined WIFEXITED */
+#ifndef WEXITSTATUS
+#define WEXITSTATUS(status)	(((status) >> 8) & 0xff)
+#endif /* !defined WEXITSTATUS */
+
+#if HAVE_UNISTD_H
+#include "unistd.h"	/* for F_OK and R_OK */
+#endif /* HAVE_UNISTD_H */
+
+#if !HAVE_UNISTD_H
+#ifndef F_OK
+#define F_OK	0
+#endif /* !defined F_OK */
+#ifndef R_OK
+#define R_OK	4
+#endif /* !defined R_OK */
+#endif /* !HAVE_UNISTD_H */
+
+/* Unlike 's isdigit, this also works if c < 0 | c > UCHAR_MAX. */
+#define is_digit(c) ((unsigned)(c) - '0' <= 9)
+
+/*
+** Workarounds for compilers/systems.
+*/
+
+/*
+** SunOS 4.1.1 cc lacks prototypes.
+*/
+
+#ifndef P
+#if __STDC__
+#define P(x)	x
+#else /* !__STDC__ */
+#define P(x)	()
+#endif /* !__STDC__ */
+#endif /* !defined P */
+
+/*
+** SunOS 4.1.1 headers lack EXIT_SUCCESS.
+*/
+
+#ifndef EXIT_SUCCESS
+#define EXIT_SUCCESS	0
+#endif /* !defined EXIT_SUCCESS */
+
+/*
+** SunOS 4.1.1 headers lack EXIT_FAILURE.
+*/
+
+#ifndef EXIT_FAILURE
+#define EXIT_FAILURE	1
+#endif /* !defined EXIT_FAILURE */
+
+/*
+** SunOS 4.1.1 headers lack FILENAME_MAX.
+*/
+
+#ifndef FILENAME_MAX
+
+#ifndef MAXPATHLEN
+#ifdef unix
+#include "sys/param.h"
+#endif /* defined unix */
+#endif /* !defined MAXPATHLEN */
+
+#ifdef MAXPATHLEN
+#define FILENAME_MAX	MAXPATHLEN
+#endif /* defined MAXPATHLEN */
+#ifndef MAXPATHLEN
+#define FILENAME_MAX	1024		/* Pure guesswork */
+#endif /* !defined MAXPATHLEN */
+
+#endif /* !defined FILENAME_MAX */
+
+/*
+** SunOS 4.1.1 libraries lack remove.
+*/
+
+#ifndef remove
+extern int	unlink P((const char * filename));
+#define remove	unlink
+#endif /* !defined remove */
+
+/*
+** Some ancient errno.h implementations don't declare errno.
+** But some newer errno.h implementations define it as a macro.
+** Fix the former without affecting the latter.
+*/
+
+#ifndef errno
+extern int errno;
+#endif /* !defined errno */
+
+/*
+** Some time.h implementations don't declare asctime_r.
+** Others might define it as a macro.
+** Fix the former without affecting the latter.
+*/
+
+#ifndef asctime_r
+extern char *	asctime_r();
+#endif
+
+/*
+** Private function declarations.
+*/
+
+char *	icalloc P((int nelem, int elsize));
+char *	icatalloc P((char * old, const char * new));
+char *	icpyalloc P((const char * string));
+char *	imalloc P((int n));
+void *	irealloc P((void * pointer, int size));
+void	icfree P((char * pointer));
+void	ifree P((char * pointer));
+const char *scheck P((const char *string, const char *format));
+
+/*
+** Finally, some convenience items.
+*/
+
+#ifndef TRUE
+#define TRUE	1
+#endif /* !defined TRUE */
+
+#ifndef FALSE
+#define FALSE	0
+#endif /* !defined FALSE */
+
+#ifndef TYPE_BIT
+#define TYPE_BIT(type)	(sizeof (type) * CHAR_BIT)
+#endif /* !defined TYPE_BIT */
+
+#ifndef TYPE_SIGNED
+#define TYPE_SIGNED(type) (((type) -1) < 0)
+#endif /* !defined TYPE_SIGNED */
+
+/*
+** Since the definition of TYPE_INTEGRAL contains floating point numbers,
+** it cannot be used in preprocessor directives.
+*/
+
+#ifndef TYPE_INTEGRAL
+#define TYPE_INTEGRAL(type) (((type) 0.5) != 0.5)
+#endif /* !defined TYPE_INTEGRAL */
+
+#ifndef INT_STRLEN_MAXIMUM
+/*
+** 302 / 1000 is log10(2.0) rounded up.
+** Subtract one for the sign bit if the type is signed;
+** add one for integer division truncation;
+** add one more for a minus sign if the type is signed.
+*/
+#define INT_STRLEN_MAXIMUM(type) \
+	((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 1000 + \
+	1 + TYPE_SIGNED(type))
+#endif /* !defined INT_STRLEN_MAXIMUM */
+
+/*
+** INITIALIZE(x)
+*/
+
+#ifndef GNUC_or_lint
+#ifdef lint
+#define GNUC_or_lint
+#endif /* defined lint */
+#ifndef lint
+#ifdef __GNUC__
+#define GNUC_or_lint
+#endif /* defined __GNUC__ */
+#endif /* !defined lint */
+#endif /* !defined GNUC_or_lint */
+
+#ifndef INITIALIZE
+#ifdef GNUC_or_lint
+#define INITIALIZE(x)	((x) = 0)
+#endif /* defined GNUC_or_lint */
+#ifndef GNUC_or_lint
+#define INITIALIZE(x)
+#endif /* !defined GNUC_or_lint */
+#endif /* !defined INITIALIZE */
+
+/*
+** For the benefit of GNU folk...
+** `_(MSGID)' uses the current locale's message library string for MSGID.
+** The default is to use gettext if available, and use MSGID otherwise.
+*/
+
+#ifndef _
+#if HAVE_GETTEXT
+#define _(msgid) gettext(msgid)
+#else /* !HAVE_GETTEXT */
+#define _(msgid) msgid
+#endif /* !HAVE_GETTEXT */
+#endif /* !defined _ */
+
+#ifndef TZ_DOMAIN
+#define TZ_DOMAIN "tz"
+#endif /* !defined TZ_DOMAIN */
+
+#if HAVE_INCOMPATIBLE_CTIME_R
+#undef asctime_r
+#undef ctime_r
+char *asctime_r P((struct tm const *, char *));
+char *ctime_r P((time_t const *, char *));
+#endif /* HAVE_INCOMPATIBLE_CTIME_R */
+
+/*
+** UNIX was a registered trademark of The Open Group in 2003.
+*/
+
+#endif /* !defined PRIVATE_H */
diff --git a/commands/zoneinfo/scheck.c b/commands/zoneinfo/scheck.c
new file mode 100644
index 000000000..dda76b4f9
--- /dev/null
+++ b/commands/zoneinfo/scheck.c
@@ -0,0 +1,64 @@
+#
+
+/*LINTLIBRARY*/
+
+#include "stdio.h"
+
+#ifndef lint
+#ifndef NOID
+static char	sccsid[] = "@(#)scheck.c	7.15";
+#endif /* !NOID */
+#endif /* !lint */
+
+#include "ctype.h"
+
+extern char *	imalloc();
+
+char *
+scheck(string, format)
+char *	string;
+char *	format;
+{
+	register char *	fbuf;
+	register char *	fp;
+	register char *	tp;
+	register int	c;
+	register char *	result;
+	char		dummy;
+
+	result = "";
+	if (string == NULL || format == NULL)
+		return result;
+	fbuf = imalloc(2 * strlen(format) + 4);
+	if (fbuf == NULL)
+		return result;
+	fp = format;
+	tp = fbuf;
+	while ((*tp++ = c = *fp++) != '\0') {
+		if (c != '%')
+			continue;
+		if (*fp == '%') {
+			*tp++ = *fp++;
+			continue;
+		}
+		*tp++ = '*';
+		if (*fp == '*')
+			++fp;
+		while (isascii(*fp) && isdigit(*fp))
+			*tp++ = *fp++;
+		if (*fp == 'l' || *fp == 'h')
+			*tp++ = *fp++;
+		else if (*fp == '[')
+			do *tp++ = *fp++;
+				while (*fp != '\0' && *fp != ']');
+		if ((*tp++ = *fp++) == '\0')
+			break;
+	}
+	*(tp - 1) = '%';
+	*tp++ = 'c';
+	*tp = '\0';
+	if (sscanf(string, fbuf, &dummy) != 1)
+		result = format;
+	free(fbuf);
+	return result;
+}
diff --git a/commands/zoneinfo/solar87 b/commands/zoneinfo/solar87
new file mode 100644
index 000000000..71839320a
--- /dev/null
+++ b/commands/zoneinfo/solar87
@@ -0,0 +1,388 @@
+# @(#)solar87	8.1
+
+# So much for footnotes about Saudi Arabia.
+# Apparent noon times below are for Riyadh; your mileage will vary.
+# Times were computed using formulas in the U.S. Naval Observatory's
+# Almanac for Computers 1987; the formulas "will give EqT to an accuracy of
+# [plus or minus two] seconds during the current year."
+#
+# Rounding to the nearest five seconds results in fewer than
+# 256 different "time types"--a limit that's faced because time types are
+# stored on disk as unsigned chars.
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	sol87	1987	only	-	Jan	1	12:03:20s -0:03:20 -
+Rule	sol87	1987	only	-	Jan	2	12:03:50s -0:03:50 -
+Rule	sol87	1987	only	-	Jan	3	12:04:15s -0:04:15 -
+Rule	sol87	1987	only	-	Jan	4	12:04:45s -0:04:45 -
+Rule	sol87	1987	only	-	Jan	5	12:05:10s -0:05:10 -
+Rule	sol87	1987	only	-	Jan	6	12:05:40s -0:05:40 -
+Rule	sol87	1987	only	-	Jan	7	12:06:05s -0:06:05 -
+Rule	sol87	1987	only	-	Jan	8	12:06:30s -0:06:30 -
+Rule	sol87	1987	only	-	Jan	9	12:06:55s -0:06:55 -
+Rule	sol87	1987	only	-	Jan	10	12:07:20s -0:07:20 -
+Rule	sol87	1987	only	-	Jan	11	12:07:45s -0:07:45 -
+Rule	sol87	1987	only	-	Jan	12	12:08:10s -0:08:10 -
+Rule	sol87	1987	only	-	Jan	13	12:08:30s -0:08:30 -
+Rule	sol87	1987	only	-	Jan	14	12:08:55s -0:08:55 -
+Rule	sol87	1987	only	-	Jan	15	12:09:15s -0:09:15 -
+Rule	sol87	1987	only	-	Jan	16	12:09:35s -0:09:35 -
+Rule	sol87	1987	only	-	Jan	17	12:09:55s -0:09:55 -
+Rule	sol87	1987	only	-	Jan	18	12:10:15s -0:10:15 -
+Rule	sol87	1987	only	-	Jan	19	12:10:35s -0:10:35 -
+Rule	sol87	1987	only	-	Jan	20	12:10:55s -0:10:55 -
+Rule	sol87	1987	only	-	Jan	21	12:11:10s -0:11:10 -
+Rule	sol87	1987	only	-	Jan	22	12:11:30s -0:11:30 -
+Rule	sol87	1987	only	-	Jan	23	12:11:45s -0:11:45 -
+Rule	sol87	1987	only	-	Jan	24	12:12:00s -0:12:00 -
+Rule	sol87	1987	only	-	Jan	25	12:12:15s -0:12:15 -
+Rule	sol87	1987	only	-	Jan	26	12:12:30s -0:12:30 -
+Rule	sol87	1987	only	-	Jan	27	12:12:40s -0:12:40 -
+Rule	sol87	1987	only	-	Jan	28	12:12:55s -0:12:55 -
+Rule	sol87	1987	only	-	Jan	29	12:13:05s -0:13:05 -
+Rule	sol87	1987	only	-	Jan	30	12:13:15s -0:13:15 -
+Rule	sol87	1987	only	-	Jan	31	12:13:25s -0:13:25 -
+Rule	sol87	1987	only	-	Feb	1	12:13:35s -0:13:35 -
+Rule	sol87	1987	only	-	Feb	2	12:13:40s -0:13:40 -
+Rule	sol87	1987	only	-	Feb	3	12:13:50s -0:13:50 -
+Rule	sol87	1987	only	-	Feb	4	12:13:55s -0:13:55 -
+Rule	sol87	1987	only	-	Feb	5	12:14:00s -0:14:00 -
+Rule	sol87	1987	only	-	Feb	6	12:14:05s -0:14:05 -
+Rule	sol87	1987	only	-	Feb	7	12:14:10s -0:14:10 -
+Rule	sol87	1987	only	-	Feb	8	12:14:10s -0:14:10 -
+Rule	sol87	1987	only	-	Feb	9	12:14:15s -0:14:15 -
+Rule	sol87	1987	only	-	Feb	10	12:14:15s -0:14:15 -
+Rule	sol87	1987	only	-	Feb	11	12:14:15s -0:14:15 -
+Rule	sol87	1987	only	-	Feb	12	12:14:15s -0:14:15 -
+Rule	sol87	1987	only	-	Feb	13	12:14:15s -0:14:15 -
+Rule	sol87	1987	only	-	Feb	14	12:14:15s -0:14:15 -
+Rule	sol87	1987	only	-	Feb	15	12:14:10s -0:14:10 -
+Rule	sol87	1987	only	-	Feb	16	12:14:10s -0:14:10 -
+Rule	sol87	1987	only	-	Feb	17	12:14:05s -0:14:05 -
+Rule	sol87	1987	only	-	Feb	18	12:14:00s -0:14:00 -
+Rule	sol87	1987	only	-	Feb	19	12:13:55s -0:13:55 -
+Rule	sol87	1987	only	-	Feb	20	12:13:50s -0:13:50 -
+Rule	sol87	1987	only	-	Feb	21	12:13:45s -0:13:45 -
+Rule	sol87	1987	only	-	Feb	22	12:13:35s -0:13:35 -
+Rule	sol87	1987	only	-	Feb	23	12:13:30s -0:13:30 -
+Rule	sol87	1987	only	-	Feb	24	12:13:20s -0:13:20 -
+Rule	sol87	1987	only	-	Feb	25	12:13:10s -0:13:10 -
+Rule	sol87	1987	only	-	Feb	26	12:13:00s -0:13:00 -
+Rule	sol87	1987	only	-	Feb	27	12:12:50s -0:12:50 -
+Rule	sol87	1987	only	-	Feb	28	12:12:40s -0:12:40 -
+Rule	sol87	1987	only	-	Mar	1	12:12:30s -0:12:30 -
+Rule	sol87	1987	only	-	Mar	2	12:12:20s -0:12:20 -
+Rule	sol87	1987	only	-	Mar	3	12:12:05s -0:12:05 -
+Rule	sol87	1987	only	-	Mar	4	12:11:55s -0:11:55 -
+Rule	sol87	1987	only	-	Mar	5	12:11:40s -0:11:40 -
+Rule	sol87	1987	only	-	Mar	6	12:11:25s -0:11:25 -
+Rule	sol87	1987	only	-	Mar	7	12:11:15s -0:11:15 -
+Rule	sol87	1987	only	-	Mar	8	12:11:00s -0:11:00 -
+Rule	sol87	1987	only	-	Mar	9	12:10:45s -0:10:45 -
+Rule	sol87	1987	only	-	Mar	10	12:10:30s -0:10:30 -
+Rule	sol87	1987	only	-	Mar	11	12:10:15s -0:10:15 -
+Rule	sol87	1987	only	-	Mar	12	12:09:55s -0:09:55 -
+Rule	sol87	1987	only	-	Mar	13	12:09:40s -0:09:40 -
+Rule	sol87	1987	only	-	Mar	14	12:09:25s -0:09:25 -
+Rule	sol87	1987	only	-	Mar	15	12:09:10s -0:09:10 -
+Rule	sol87	1987	only	-	Mar	16	12:08:50s -0:08:50 -
+Rule	sol87	1987	only	-	Mar	17	12:08:35s -0:08:35 -
+Rule	sol87	1987	only	-	Mar	18	12:08:15s -0:08:15 -
+Rule	sol87	1987	only	-	Mar	19	12:08:00s -0:08:00 -
+Rule	sol87	1987	only	-	Mar	20	12:07:40s -0:07:40 -
+Rule	sol87	1987	only	-	Mar	21	12:07:25s -0:07:25 -
+Rule	sol87	1987	only	-	Mar	22	12:07:05s -0:07:05 -
+Rule	sol87	1987	only	-	Mar	23	12:06:50s -0:06:50 -
+Rule	sol87	1987	only	-	Mar	24	12:06:30s -0:06:30 -
+Rule	sol87	1987	only	-	Mar	25	12:06:10s -0:06:10 -
+Rule	sol87	1987	only	-	Mar	26	12:05:55s -0:05:55 -
+Rule	sol87	1987	only	-	Mar	27	12:05:35s -0:05:35 -
+Rule	sol87	1987	only	-	Mar	28	12:05:15s -0:05:15 -
+Rule	sol87	1987	only	-	Mar	29	12:05:00s -0:05:00 -
+Rule	sol87	1987	only	-	Mar	30	12:04:40s -0:04:40 -
+Rule	sol87	1987	only	-	Mar	31	12:04:25s -0:04:25 -
+Rule	sol87	1987	only	-	Apr	1	12:04:05s -0:04:05 -
+Rule	sol87	1987	only	-	Apr	2	12:03:45s -0:03:45 -
+Rule	sol87	1987	only	-	Apr	3	12:03:30s -0:03:30 -
+Rule	sol87	1987	only	-	Apr	4	12:03:10s -0:03:10 -
+Rule	sol87	1987	only	-	Apr	5	12:02:55s -0:02:55 -
+Rule	sol87	1987	only	-	Apr	6	12:02:35s -0:02:35 -
+Rule	sol87	1987	only	-	Apr	7	12:02:20s -0:02:20 -
+Rule	sol87	1987	only	-	Apr	8	12:02:05s -0:02:05 -
+Rule	sol87	1987	only	-	Apr	9	12:01:45s -0:01:45 -
+Rule	sol87	1987	only	-	Apr	10	12:01:30s -0:01:30 -
+Rule	sol87	1987	only	-	Apr	11	12:01:15s -0:01:15 -
+Rule	sol87	1987	only	-	Apr	12	12:00:55s -0:00:55 -
+Rule	sol87	1987	only	-	Apr	13	12:00:40s -0:00:40 -
+Rule	sol87	1987	only	-	Apr	14	12:00:25s -0:00:25 -
+Rule	sol87	1987	only	-	Apr	15	12:00:10s -0:00:10 -
+Rule	sol87	1987	only	-	Apr	16	11:59:55s 0:00:05 -
+Rule	sol87	1987	only	-	Apr	17	11:59:45s 0:00:15 -
+Rule	sol87	1987	only	-	Apr	18	11:59:30s 0:00:30 -
+Rule	sol87	1987	only	-	Apr	19	11:59:15s 0:00:45 -
+Rule	sol87	1987	only	-	Apr	20	11:59:05s 0:00:55 -
+Rule	sol87	1987	only	-	Apr	21	11:58:50s 0:01:10 -
+Rule	sol87	1987	only	-	Apr	22	11:58:40s 0:01:20 -
+Rule	sol87	1987	only	-	Apr	23	11:58:25s 0:01:35 -
+Rule	sol87	1987	only	-	Apr	24	11:58:15s 0:01:45 -
+Rule	sol87	1987	only	-	Apr	25	11:58:05s 0:01:55 -
+Rule	sol87	1987	only	-	Apr	26	11:57:55s 0:02:05 -
+Rule	sol87	1987	only	-	Apr	27	11:57:45s 0:02:15 -
+Rule	sol87	1987	only	-	Apr	28	11:57:35s 0:02:25 -
+Rule	sol87	1987	only	-	Apr	29	11:57:25s 0:02:35 -
+Rule	sol87	1987	only	-	Apr	30	11:57:15s 0:02:45 -
+Rule	sol87	1987	only	-	May	1	11:57:10s 0:02:50 -
+Rule	sol87	1987	only	-	May	2	11:57:00s 0:03:00 -
+Rule	sol87	1987	only	-	May	3	11:56:55s 0:03:05 -
+Rule	sol87	1987	only	-	May	4	11:56:50s 0:03:10 -
+Rule	sol87	1987	only	-	May	5	11:56:45s 0:03:15 -
+Rule	sol87	1987	only	-	May	6	11:56:40s 0:03:20 -
+Rule	sol87	1987	only	-	May	7	11:56:35s 0:03:25 -
+Rule	sol87	1987	only	-	May	8	11:56:30s 0:03:30 -
+Rule	sol87	1987	only	-	May	9	11:56:25s 0:03:35 -
+Rule	sol87	1987	only	-	May	10	11:56:25s 0:03:35 -
+Rule	sol87	1987	only	-	May	11	11:56:20s 0:03:40 -
+Rule	sol87	1987	only	-	May	12	11:56:20s 0:03:40 -
+Rule	sol87	1987	only	-	May	13	11:56:20s 0:03:40 -
+Rule	sol87	1987	only	-	May	14	11:56:20s 0:03:40 -
+Rule	sol87	1987	only	-	May	15	11:56:20s 0:03:40 -
+Rule	sol87	1987	only	-	May	16	11:56:20s 0:03:40 -
+Rule	sol87	1987	only	-	May	17	11:56:20s 0:03:40 -
+Rule	sol87	1987	only	-	May	18	11:56:20s 0:03:40 -
+Rule	sol87	1987	only	-	May	19	11:56:25s 0:03:35 -
+Rule	sol87	1987	only	-	May	20	11:56:25s 0:03:35 -
+Rule	sol87	1987	only	-	May	21	11:56:30s 0:03:30 -
+Rule	sol87	1987	only	-	May	22	11:56:35s 0:03:25 -
+Rule	sol87	1987	only	-	May	23	11:56:40s 0:03:20 -
+Rule	sol87	1987	only	-	May	24	11:56:45s 0:03:15 -
+Rule	sol87	1987	only	-	May	25	11:56:50s 0:03:10 -
+Rule	sol87	1987	only	-	May	26	11:56:55s 0:03:05 -
+Rule	sol87	1987	only	-	May	27	11:57:00s 0:03:00 -
+Rule	sol87	1987	only	-	May	28	11:57:10s 0:02:50 -
+Rule	sol87	1987	only	-	May	29	11:57:15s 0:02:45 -
+Rule	sol87	1987	only	-	May	30	11:57:25s 0:02:35 -
+Rule	sol87	1987	only	-	May	31	11:57:30s 0:02:30 -
+Rule	sol87	1987	only	-	Jun	1	11:57:40s 0:02:20 -
+Rule	sol87	1987	only	-	Jun	2	11:57:50s 0:02:10 -
+Rule	sol87	1987	only	-	Jun	3	11:58:00s 0:02:00 -
+Rule	sol87	1987	only	-	Jun	4	11:58:10s 0:01:50 -
+Rule	sol87	1987	only	-	Jun	5	11:58:20s 0:01:40 -
+Rule	sol87	1987	only	-	Jun	6	11:58:30s 0:01:30 -
+Rule	sol87	1987	only	-	Jun	7	11:58:40s 0:01:20 -
+Rule	sol87	1987	only	-	Jun	8	11:58:50s 0:01:10 -
+Rule	sol87	1987	only	-	Jun	9	11:59:05s 0:00:55 -
+Rule	sol87	1987	only	-	Jun	10	11:59:15s 0:00:45 -
+Rule	sol87	1987	only	-	Jun	11	11:59:30s 0:00:30 -
+Rule	sol87	1987	only	-	Jun	12	11:59:40s 0:00:20 -
+Rule	sol87	1987	only	-	Jun	13	11:59:50s 0:00:10 -
+Rule	sol87	1987	only	-	Jun	14	12:00:05s -0:00:05 -
+Rule	sol87	1987	only	-	Jun	15	12:00:15s -0:00:15 -
+Rule	sol87	1987	only	-	Jun	16	12:00:30s -0:00:30 -
+Rule	sol87	1987	only	-	Jun	17	12:00:45s -0:00:45 -
+Rule	sol87	1987	only	-	Jun	18	12:00:55s -0:00:55 -
+Rule	sol87	1987	only	-	Jun	19	12:01:10s -0:01:10 -
+Rule	sol87	1987	only	-	Jun	20	12:01:20s -0:01:20 -
+Rule	sol87	1987	only	-	Jun	21	12:01:35s -0:01:35 -
+Rule	sol87	1987	only	-	Jun	22	12:01:50s -0:01:50 -
+Rule	sol87	1987	only	-	Jun	23	12:02:00s -0:02:00 -
+Rule	sol87	1987	only	-	Jun	24	12:02:15s -0:02:15 -
+Rule	sol87	1987	only	-	Jun	25	12:02:25s -0:02:25 -
+Rule	sol87	1987	only	-	Jun	26	12:02:40s -0:02:40 -
+Rule	sol87	1987	only	-	Jun	27	12:02:50s -0:02:50 -
+Rule	sol87	1987	only	-	Jun	28	12:03:05s -0:03:05 -
+Rule	sol87	1987	only	-	Jun	29	12:03:15s -0:03:15 -
+Rule	sol87	1987	only	-	Jun	30	12:03:30s -0:03:30 -
+Rule	sol87	1987	only	-	Jul	1	12:03:40s -0:03:40 -
+Rule	sol87	1987	only	-	Jul	2	12:03:50s -0:03:50 -
+Rule	sol87	1987	only	-	Jul	3	12:04:05s -0:04:05 -
+Rule	sol87	1987	only	-	Jul	4	12:04:15s -0:04:15 -
+Rule	sol87	1987	only	-	Jul	5	12:04:25s -0:04:25 -
+Rule	sol87	1987	only	-	Jul	6	12:04:35s -0:04:35 -
+Rule	sol87	1987	only	-	Jul	7	12:04:45s -0:04:45 -
+Rule	sol87	1987	only	-	Jul	8	12:04:55s -0:04:55 -
+Rule	sol87	1987	only	-	Jul	9	12:05:05s -0:05:05 -
+Rule	sol87	1987	only	-	Jul	10	12:05:15s -0:05:15 -
+Rule	sol87	1987	only	-	Jul	11	12:05:20s -0:05:20 -
+Rule	sol87	1987	only	-	Jul	12	12:05:30s -0:05:30 -
+Rule	sol87	1987	only	-	Jul	13	12:05:40s -0:05:40 -
+Rule	sol87	1987	only	-	Jul	14	12:05:45s -0:05:45 -
+Rule	sol87	1987	only	-	Jul	15	12:05:50s -0:05:50 -
+Rule	sol87	1987	only	-	Jul	16	12:06:00s -0:06:00 -
+Rule	sol87	1987	only	-	Jul	17	12:06:05s -0:06:05 -
+Rule	sol87	1987	only	-	Jul	18	12:06:10s -0:06:10 -
+Rule	sol87	1987	only	-	Jul	19	12:06:15s -0:06:15 -
+Rule	sol87	1987	only	-	Jul	20	12:06:15s -0:06:15 -
+Rule	sol87	1987	only	-	Jul	21	12:06:20s -0:06:20 -
+Rule	sol87	1987	only	-	Jul	22	12:06:25s -0:06:25 -
+Rule	sol87	1987	only	-	Jul	23	12:06:25s -0:06:25 -
+Rule	sol87	1987	only	-	Jul	24	12:06:25s -0:06:25 -
+Rule	sol87	1987	only	-	Jul	25	12:06:30s -0:06:30 -
+Rule	sol87	1987	only	-	Jul	26	12:06:30s -0:06:30 -
+Rule	sol87	1987	only	-	Jul	27	12:06:30s -0:06:30 -
+Rule	sol87	1987	only	-	Jul	28	12:06:30s -0:06:30 -
+Rule	sol87	1987	only	-	Jul	29	12:06:25s -0:06:25 -
+Rule	sol87	1987	only	-	Jul	30	12:06:25s -0:06:25 -
+Rule	sol87	1987	only	-	Jul	31	12:06:25s -0:06:25 -
+Rule	sol87	1987	only	-	Aug	1	12:06:20s -0:06:20 -
+Rule	sol87	1987	only	-	Aug	2	12:06:15s -0:06:15 -
+Rule	sol87	1987	only	-	Aug	3	12:06:10s -0:06:10 -
+Rule	sol87	1987	only	-	Aug	4	12:06:05s -0:06:05 -
+Rule	sol87	1987	only	-	Aug	5	12:06:00s -0:06:00 -
+Rule	sol87	1987	only	-	Aug	6	12:05:55s -0:05:55 -
+Rule	sol87	1987	only	-	Aug	7	12:05:50s -0:05:50 -
+Rule	sol87	1987	only	-	Aug	8	12:05:40s -0:05:40 -
+Rule	sol87	1987	only	-	Aug	9	12:05:35s -0:05:35 -
+Rule	sol87	1987	only	-	Aug	10	12:05:25s -0:05:25 -
+Rule	sol87	1987	only	-	Aug	11	12:05:15s -0:05:15 -
+Rule	sol87	1987	only	-	Aug	12	12:05:05s -0:05:05 -
+Rule	sol87	1987	only	-	Aug	13	12:04:55s -0:04:55 -
+Rule	sol87	1987	only	-	Aug	14	12:04:45s -0:04:45 -
+Rule	sol87	1987	only	-	Aug	15	12:04:35s -0:04:35 -
+Rule	sol87	1987	only	-	Aug	16	12:04:25s -0:04:25 -
+Rule	sol87	1987	only	-	Aug	17	12:04:10s -0:04:10 -
+Rule	sol87	1987	only	-	Aug	18	12:04:00s -0:04:00 -
+Rule	sol87	1987	only	-	Aug	19	12:03:45s -0:03:45 -
+Rule	sol87	1987	only	-	Aug	20	12:03:30s -0:03:30 -
+Rule	sol87	1987	only	-	Aug	21	12:03:15s -0:03:15 -
+Rule	sol87	1987	only	-	Aug	22	12:03:00s -0:03:00 -
+Rule	sol87	1987	only	-	Aug	23	12:02:45s -0:02:45 -
+Rule	sol87	1987	only	-	Aug	24	12:02:30s -0:02:30 -
+Rule	sol87	1987	only	-	Aug	25	12:02:15s -0:02:15 -
+Rule	sol87	1987	only	-	Aug	26	12:02:00s -0:02:00 -
+Rule	sol87	1987	only	-	Aug	27	12:01:40s -0:01:40 -
+Rule	sol87	1987	only	-	Aug	28	12:01:25s -0:01:25 -
+Rule	sol87	1987	only	-	Aug	29	12:01:05s -0:01:05 -
+Rule	sol87	1987	only	-	Aug	30	12:00:50s -0:00:50 -
+Rule	sol87	1987	only	-	Aug	31	12:00:30s -0:00:30 -
+Rule	sol87	1987	only	-	Sep	1	12:00:10s -0:00:10 -
+Rule	sol87	1987	only	-	Sep	2	11:59:50s 0:00:10 -
+Rule	sol87	1987	only	-	Sep	3	11:59:35s 0:00:25 -
+Rule	sol87	1987	only	-	Sep	4	11:59:15s 0:00:45 -
+Rule	sol87	1987	only	-	Sep	5	11:58:55s 0:01:05 -
+Rule	sol87	1987	only	-	Sep	6	11:58:35s 0:01:25 -
+Rule	sol87	1987	only	-	Sep	7	11:58:15s 0:01:45 -
+Rule	sol87	1987	only	-	Sep	8	11:57:55s 0:02:05 -
+Rule	sol87	1987	only	-	Sep	9	11:57:30s 0:02:30 -
+Rule	sol87	1987	only	-	Sep	10	11:57:10s 0:02:50 -
+Rule	sol87	1987	only	-	Sep	11	11:56:50s 0:03:10 -
+Rule	sol87	1987	only	-	Sep	12	11:56:30s 0:03:30 -
+Rule	sol87	1987	only	-	Sep	13	11:56:10s 0:03:50 -
+Rule	sol87	1987	only	-	Sep	14	11:55:45s 0:04:15 -
+Rule	sol87	1987	only	-	Sep	15	11:55:25s 0:04:35 -
+Rule	sol87	1987	only	-	Sep	16	11:55:05s 0:04:55 -
+Rule	sol87	1987	only	-	Sep	17	11:54:45s 0:05:15 -
+Rule	sol87	1987	only	-	Sep	18	11:54:20s 0:05:40 -
+Rule	sol87	1987	only	-	Sep	19	11:54:00s 0:06:00 -
+Rule	sol87	1987	only	-	Sep	20	11:53:40s 0:06:20 -
+Rule	sol87	1987	only	-	Sep	21	11:53:15s 0:06:45 -
+Rule	sol87	1987	only	-	Sep	22	11:52:55s 0:07:05 -
+Rule	sol87	1987	only	-	Sep	23	11:52:35s 0:07:25 -
+Rule	sol87	1987	only	-	Sep	24	11:52:15s 0:07:45 -
+Rule	sol87	1987	only	-	Sep	25	11:51:55s 0:08:05 -
+Rule	sol87	1987	only	-	Sep	26	11:51:35s 0:08:25 -
+Rule	sol87	1987	only	-	Sep	27	11:51:10s 0:08:50 -
+Rule	sol87	1987	only	-	Sep	28	11:50:50s 0:09:10 -
+Rule	sol87	1987	only	-	Sep	29	11:50:30s 0:09:30 -
+Rule	sol87	1987	only	-	Sep	30	11:50:10s 0:09:50 -
+Rule	sol87	1987	only	-	Oct	1	11:49:50s 0:10:10 -
+Rule	sol87	1987	only	-	Oct	2	11:49:35s 0:10:25 -
+Rule	sol87	1987	only	-	Oct	3	11:49:15s 0:10:45 -
+Rule	sol87	1987	only	-	Oct	4	11:48:55s 0:11:05 -
+Rule	sol87	1987	only	-	Oct	5	11:48:35s 0:11:25 -
+Rule	sol87	1987	only	-	Oct	6	11:48:20s 0:11:40 -
+Rule	sol87	1987	only	-	Oct	7	11:48:00s 0:12:00 -
+Rule	sol87	1987	only	-	Oct	8	11:47:45s 0:12:15 -
+Rule	sol87	1987	only	-	Oct	9	11:47:25s 0:12:35 -
+Rule	sol87	1987	only	-	Oct	10	11:47:10s 0:12:50 -
+Rule	sol87	1987	only	-	Oct	11	11:46:55s 0:13:05 -
+Rule	sol87	1987	only	-	Oct	12	11:46:40s 0:13:20 -
+Rule	sol87	1987	only	-	Oct	13	11:46:25s 0:13:35 -
+Rule	sol87	1987	only	-	Oct	14	11:46:10s 0:13:50 -
+Rule	sol87	1987	only	-	Oct	15	11:45:55s 0:14:05 -
+Rule	sol87	1987	only	-	Oct	16	11:45:45s 0:14:15 -
+Rule	sol87	1987	only	-	Oct	17	11:45:30s 0:14:30 -
+Rule	sol87	1987	only	-	Oct	18	11:45:20s 0:14:40 -
+Rule	sol87	1987	only	-	Oct	19	11:45:05s 0:14:55 -
+Rule	sol87	1987	only	-	Oct	20	11:44:55s 0:15:05 -
+Rule	sol87	1987	only	-	Oct	21	11:44:45s 0:15:15 -
+Rule	sol87	1987	only	-	Oct	22	11:44:35s 0:15:25 -
+Rule	sol87	1987	only	-	Oct	23	11:44:25s 0:15:35 -
+Rule	sol87	1987	only	-	Oct	24	11:44:20s 0:15:40 -
+Rule	sol87	1987	only	-	Oct	25	11:44:10s 0:15:50 -
+Rule	sol87	1987	only	-	Oct	26	11:44:05s 0:15:55 -
+Rule	sol87	1987	only	-	Oct	27	11:43:55s 0:16:05 -
+Rule	sol87	1987	only	-	Oct	28	11:43:50s 0:16:10 -
+Rule	sol87	1987	only	-	Oct	29	11:43:45s 0:16:15 -
+Rule	sol87	1987	only	-	Oct	30	11:43:45s 0:16:15 -
+Rule	sol87	1987	only	-	Oct	31	11:43:40s 0:16:20 -
+Rule	sol87	1987	only	-	Nov	1	11:43:40s 0:16:20 -
+Rule	sol87	1987	only	-	Nov	2	11:43:35s 0:16:25 -
+Rule	sol87	1987	only	-	Nov	3	11:43:35s 0:16:25 -
+Rule	sol87	1987	only	-	Nov	4	11:43:35s 0:16:25 -
+Rule	sol87	1987	only	-	Nov	5	11:43:35s 0:16:25 -
+Rule	sol87	1987	only	-	Nov	6	11:43:40s 0:16:20 -
+Rule	sol87	1987	only	-	Nov	7	11:43:40s 0:16:20 -
+Rule	sol87	1987	only	-	Nov	8	11:43:45s 0:16:15 -
+Rule	sol87	1987	only	-	Nov	9	11:43:50s 0:16:10 -
+Rule	sol87	1987	only	-	Nov	10	11:43:55s 0:16:05 -
+Rule	sol87	1987	only	-	Nov	11	11:44:00s 0:16:00 -
+Rule	sol87	1987	only	-	Nov	12	11:44:05s 0:15:55 -
+Rule	sol87	1987	only	-	Nov	13	11:44:15s 0:15:45 -
+Rule	sol87	1987	only	-	Nov	14	11:44:20s 0:15:40 -
+Rule	sol87	1987	only	-	Nov	15	11:44:30s 0:15:30 -
+Rule	sol87	1987	only	-	Nov	16	11:44:40s 0:15:20 -
+Rule	sol87	1987	only	-	Nov	17	11:44:50s 0:15:10 -
+Rule	sol87	1987	only	-	Nov	18	11:45:05s 0:14:55 -
+Rule	sol87	1987	only	-	Nov	19	11:45:15s 0:14:45 -
+Rule	sol87	1987	only	-	Nov	20	11:45:30s 0:14:30 -
+Rule	sol87	1987	only	-	Nov	21	11:45:45s 0:14:15 -
+Rule	sol87	1987	only	-	Nov	22	11:46:00s 0:14:00 -
+Rule	sol87	1987	only	-	Nov	23	11:46:15s 0:13:45 -
+Rule	sol87	1987	only	-	Nov	24	11:46:30s 0:13:30 -
+Rule	sol87	1987	only	-	Nov	25	11:46:50s 0:13:10 -
+Rule	sol87	1987	only	-	Nov	26	11:47:10s 0:12:50 -
+Rule	sol87	1987	only	-	Nov	27	11:47:25s 0:12:35 -
+Rule	sol87	1987	only	-	Nov	28	11:47:45s 0:12:15 -
+Rule	sol87	1987	only	-	Nov	29	11:48:05s 0:11:55 -
+Rule	sol87	1987	only	-	Nov	30	11:48:30s 0:11:30 -
+Rule	sol87	1987	only	-	Dec	1	11:48:50s 0:11:10 -
+Rule	sol87	1987	only	-	Dec	2	11:49:10s 0:10:50 -
+Rule	sol87	1987	only	-	Dec	3	11:49:35s 0:10:25 -
+Rule	sol87	1987	only	-	Dec	4	11:50:00s 0:10:00 -
+Rule	sol87	1987	only	-	Dec	5	11:50:25s 0:09:35 -
+Rule	sol87	1987	only	-	Dec	6	11:50:50s 0:09:10 -
+Rule	sol87	1987	only	-	Dec	7	11:51:15s 0:08:45 -
+Rule	sol87	1987	only	-	Dec	8	11:51:40s 0:08:20 -
+Rule	sol87	1987	only	-	Dec	9	11:52:05s 0:07:55 -
+Rule	sol87	1987	only	-	Dec	10	11:52:30s 0:07:30 -
+Rule	sol87	1987	only	-	Dec	11	11:53:00s 0:07:00 -
+Rule	sol87	1987	only	-	Dec	12	11:53:25s 0:06:35 -
+Rule	sol87	1987	only	-	Dec	13	11:53:55s 0:06:05 -
+Rule	sol87	1987	only	-	Dec	14	11:54:25s 0:05:35 -
+Rule	sol87	1987	only	-	Dec	15	11:54:50s 0:05:10 -
+Rule	sol87	1987	only	-	Dec	16	11:55:20s 0:04:40 -
+Rule	sol87	1987	only	-	Dec	17	11:55:50s 0:04:10 -
+Rule	sol87	1987	only	-	Dec	18	11:56:20s 0:03:40 -
+Rule	sol87	1987	only	-	Dec	19	11:56:50s 0:03:10 -
+Rule	sol87	1987	only	-	Dec	20	11:57:20s 0:02:40 -
+Rule	sol87	1987	only	-	Dec	21	11:57:50s 0:02:10 -
+Rule	sol87	1987	only	-	Dec	22	11:58:20s 0:01:40 -
+Rule	sol87	1987	only	-	Dec	23	11:58:50s 0:01:10 -
+Rule	sol87	1987	only	-	Dec	24	11:59:20s 0:00:40 -
+Rule	sol87	1987	only	-	Dec	25	11:59:50s 0:00:10 -
+Rule	sol87	1987	only	-	Dec	26	12:00:20s -0:00:20 -
+Rule	sol87	1987	only	-	Dec	27	12:00:45s -0:00:45 -
+Rule	sol87	1987	only	-	Dec	28	12:01:15s -0:01:15 -
+Rule	sol87	1987	only	-	Dec	29	12:01:45s -0:01:45 -
+Rule	sol87	1987	only	-	Dec	30	12:02:15s -0:02:15 -
+Rule	sol87	1987	only	-	Dec	31	12:02:45s -0:02:45 -
+
+# Riyadh is at about 46 degrees 46 minutes East:  3 hrs, 7 mins, 4 secs
+# Before and after 1987, we'll operate on local mean solar time.
+
+# Zone	NAME		GMTOFF	RULES/SAVE	FORMAT	[UNTIL]
+Zone	Asia/Riyadh87	3:07:04	-		zzz	1987
+			3:07:04	sol87		zzz	1988
+			3:07:04	-		zzz
+# For backward compatibility...
+Link	Asia/Riyadh87	Mideast/Riyadh87
diff --git a/commands/zoneinfo/solar88 b/commands/zoneinfo/solar88
new file mode 100644
index 000000000..b4cfe8e37
--- /dev/null
+++ b/commands/zoneinfo/solar88
@@ -0,0 +1,388 @@
+# @(#)solar88	8.1
+
+# Apparent noon times below are for Riyadh; they're a bit off for other places.
+# Times were computed using formulas in the U.S. Naval Observatory's
+# Almanac for Computers 1988; the formulas "will give EqT to an accuracy of
+# [plus or minus two] seconds during the current year."
+#
+# Rounding to the nearest five seconds results in fewer than
+# 256 different "time types"--a limit that's faced because time types are
+# stored on disk as unsigned chars.
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	sol88	1988	only	-	Jan	1	12:03:15s -0:03:15 -
+Rule	sol88	1988	only	-	Jan	2	12:03:40s -0:03:40 -
+Rule	sol88	1988	only	-	Jan	3	12:04:10s -0:04:10 -
+Rule	sol88	1988	only	-	Jan	4	12:04:40s -0:04:40 -
+Rule	sol88	1988	only	-	Jan	5	12:05:05s -0:05:05 -
+Rule	sol88	1988	only	-	Jan	6	12:05:30s -0:05:30 -
+Rule	sol88	1988	only	-	Jan	7	12:06:00s -0:06:00 -
+Rule	sol88	1988	only	-	Jan	8	12:06:25s -0:06:25 -
+Rule	sol88	1988	only	-	Jan	9	12:06:50s -0:06:50 -
+Rule	sol88	1988	only	-	Jan	10	12:07:15s -0:07:15 -
+Rule	sol88	1988	only	-	Jan	11	12:07:40s -0:07:40 -
+Rule	sol88	1988	only	-	Jan	12	12:08:05s -0:08:05 -
+Rule	sol88	1988	only	-	Jan	13	12:08:25s -0:08:25 -
+Rule	sol88	1988	only	-	Jan	14	12:08:50s -0:08:50 -
+Rule	sol88	1988	only	-	Jan	15	12:09:10s -0:09:10 -
+Rule	sol88	1988	only	-	Jan	16	12:09:30s -0:09:30 -
+Rule	sol88	1988	only	-	Jan	17	12:09:50s -0:09:50 -
+Rule	sol88	1988	only	-	Jan	18	12:10:10s -0:10:10 -
+Rule	sol88	1988	only	-	Jan	19	12:10:30s -0:10:30 -
+Rule	sol88	1988	only	-	Jan	20	12:10:50s -0:10:50 -
+Rule	sol88	1988	only	-	Jan	21	12:11:05s -0:11:05 -
+Rule	sol88	1988	only	-	Jan	22	12:11:25s -0:11:25 -
+Rule	sol88	1988	only	-	Jan	23	12:11:40s -0:11:40 -
+Rule	sol88	1988	only	-	Jan	24	12:11:55s -0:11:55 -
+Rule	sol88	1988	only	-	Jan	25	12:12:10s -0:12:10 -
+Rule	sol88	1988	only	-	Jan	26	12:12:25s -0:12:25 -
+Rule	sol88	1988	only	-	Jan	27	12:12:40s -0:12:40 -
+Rule	sol88	1988	only	-	Jan	28	12:12:50s -0:12:50 -
+Rule	sol88	1988	only	-	Jan	29	12:13:00s -0:13:00 -
+Rule	sol88	1988	only	-	Jan	30	12:13:10s -0:13:10 -
+Rule	sol88	1988	only	-	Jan	31	12:13:20s -0:13:20 -
+Rule	sol88	1988	only	-	Feb	1	12:13:30s -0:13:30 -
+Rule	sol88	1988	only	-	Feb	2	12:13:40s -0:13:40 -
+Rule	sol88	1988	only	-	Feb	3	12:13:45s -0:13:45 -
+Rule	sol88	1988	only	-	Feb	4	12:13:55s -0:13:55 -
+Rule	sol88	1988	only	-	Feb	5	12:14:00s -0:14:00 -
+Rule	sol88	1988	only	-	Feb	6	12:14:05s -0:14:05 -
+Rule	sol88	1988	only	-	Feb	7	12:14:10s -0:14:10 -
+Rule	sol88	1988	only	-	Feb	8	12:14:10s -0:14:10 -
+Rule	sol88	1988	only	-	Feb	9	12:14:15s -0:14:15 -
+Rule	sol88	1988	only	-	Feb	10	12:14:15s -0:14:15 -
+Rule	sol88	1988	only	-	Feb	11	12:14:15s -0:14:15 -
+Rule	sol88	1988	only	-	Feb	12	12:14:15s -0:14:15 -
+Rule	sol88	1988	only	-	Feb	13	12:14:15s -0:14:15 -
+Rule	sol88	1988	only	-	Feb	14	12:14:15s -0:14:15 -
+Rule	sol88	1988	only	-	Feb	15	12:14:10s -0:14:10 -
+Rule	sol88	1988	only	-	Feb	16	12:14:10s -0:14:10 -
+Rule	sol88	1988	only	-	Feb	17	12:14:05s -0:14:05 -
+Rule	sol88	1988	only	-	Feb	18	12:14:00s -0:14:00 -
+Rule	sol88	1988	only	-	Feb	19	12:13:55s -0:13:55 -
+Rule	sol88	1988	only	-	Feb	20	12:13:50s -0:13:50 -
+Rule	sol88	1988	only	-	Feb	21	12:13:45s -0:13:45 -
+Rule	sol88	1988	only	-	Feb	22	12:13:40s -0:13:40 -
+Rule	sol88	1988	only	-	Feb	23	12:13:30s -0:13:30 -
+Rule	sol88	1988	only	-	Feb	24	12:13:20s -0:13:20 -
+Rule	sol88	1988	only	-	Feb	25	12:13:15s -0:13:15 -
+Rule	sol88	1988	only	-	Feb	26	12:13:05s -0:13:05 -
+Rule	sol88	1988	only	-	Feb	27	12:12:55s -0:12:55 -
+Rule	sol88	1988	only	-	Feb	28	12:12:45s -0:12:45 -
+Rule	sol88	1988	only	-	Feb	29	12:12:30s -0:12:30 -
+Rule	sol88	1988	only	-	Mar	1	12:12:20s -0:12:20 -
+Rule	sol88	1988	only	-	Mar	2	12:12:10s -0:12:10 -
+Rule	sol88	1988	only	-	Mar	3	12:11:55s -0:11:55 -
+Rule	sol88	1988	only	-	Mar	4	12:11:45s -0:11:45 -
+Rule	sol88	1988	only	-	Mar	5	12:11:30s -0:11:30 -
+Rule	sol88	1988	only	-	Mar	6	12:11:15s -0:11:15 -
+Rule	sol88	1988	only	-	Mar	7	12:11:00s -0:11:00 -
+Rule	sol88	1988	only	-	Mar	8	12:10:45s -0:10:45 -
+Rule	sol88	1988	only	-	Mar	9	12:10:30s -0:10:30 -
+Rule	sol88	1988	only	-	Mar	10	12:10:15s -0:10:15 -
+Rule	sol88	1988	only	-	Mar	11	12:10:00s -0:10:00 -
+Rule	sol88	1988	only	-	Mar	12	12:09:45s -0:09:45 -
+Rule	sol88	1988	only	-	Mar	13	12:09:30s -0:09:30 -
+Rule	sol88	1988	only	-	Mar	14	12:09:10s -0:09:10 -
+Rule	sol88	1988	only	-	Mar	15	12:08:55s -0:08:55 -
+Rule	sol88	1988	only	-	Mar	16	12:08:40s -0:08:40 -
+Rule	sol88	1988	only	-	Mar	17	12:08:20s -0:08:20 -
+Rule	sol88	1988	only	-	Mar	18	12:08:05s -0:08:05 -
+Rule	sol88	1988	only	-	Mar	19	12:07:45s -0:07:45 -
+Rule	sol88	1988	only	-	Mar	20	12:07:30s -0:07:30 -
+Rule	sol88	1988	only	-	Mar	21	12:07:10s -0:07:10 -
+Rule	sol88	1988	only	-	Mar	22	12:06:50s -0:06:50 -
+Rule	sol88	1988	only	-	Mar	23	12:06:35s -0:06:35 -
+Rule	sol88	1988	only	-	Mar	24	12:06:15s -0:06:15 -
+Rule	sol88	1988	only	-	Mar	25	12:06:00s -0:06:00 -
+Rule	sol88	1988	only	-	Mar	26	12:05:40s -0:05:40 -
+Rule	sol88	1988	only	-	Mar	27	12:05:20s -0:05:20 -
+Rule	sol88	1988	only	-	Mar	28	12:05:05s -0:05:05 -
+Rule	sol88	1988	only	-	Mar	29	12:04:45s -0:04:45 -
+Rule	sol88	1988	only	-	Mar	30	12:04:25s -0:04:25 -
+Rule	sol88	1988	only	-	Mar	31	12:04:10s -0:04:10 -
+Rule	sol88	1988	only	-	Apr	1	12:03:50s -0:03:50 -
+Rule	sol88	1988	only	-	Apr	2	12:03:35s -0:03:35 -
+Rule	sol88	1988	only	-	Apr	3	12:03:15s -0:03:15 -
+Rule	sol88	1988	only	-	Apr	4	12:03:00s -0:03:00 -
+Rule	sol88	1988	only	-	Apr	5	12:02:40s -0:02:40 -
+Rule	sol88	1988	only	-	Apr	6	12:02:25s -0:02:25 -
+Rule	sol88	1988	only	-	Apr	7	12:02:05s -0:02:05 -
+Rule	sol88	1988	only	-	Apr	8	12:01:50s -0:01:50 -
+Rule	sol88	1988	only	-	Apr	9	12:01:35s -0:01:35 -
+Rule	sol88	1988	only	-	Apr	10	12:01:15s -0:01:15 -
+Rule	sol88	1988	only	-	Apr	11	12:01:00s -0:01:00 -
+Rule	sol88	1988	only	-	Apr	12	12:00:45s -0:00:45 -
+Rule	sol88	1988	only	-	Apr	13	12:00:30s -0:00:30 -
+Rule	sol88	1988	only	-	Apr	14	12:00:15s -0:00:15 -
+Rule	sol88	1988	only	-	Apr	15	12:00:00s 0:00:00 -
+Rule	sol88	1988	only	-	Apr	16	11:59:45s 0:00:15 -
+Rule	sol88	1988	only	-	Apr	17	11:59:30s 0:00:30 -
+Rule	sol88	1988	only	-	Apr	18	11:59:20s 0:00:40 -
+Rule	sol88	1988	only	-	Apr	19	11:59:05s 0:00:55 -
+Rule	sol88	1988	only	-	Apr	20	11:58:55s 0:01:05 -
+Rule	sol88	1988	only	-	Apr	21	11:58:40s 0:01:20 -
+Rule	sol88	1988	only	-	Apr	22	11:58:30s 0:01:30 -
+Rule	sol88	1988	only	-	Apr	23	11:58:15s 0:01:45 -
+Rule	sol88	1988	only	-	Apr	24	11:58:05s 0:01:55 -
+Rule	sol88	1988	only	-	Apr	25	11:57:55s 0:02:05 -
+Rule	sol88	1988	only	-	Apr	26	11:57:45s 0:02:15 -
+Rule	sol88	1988	only	-	Apr	27	11:57:35s 0:02:25 -
+Rule	sol88	1988	only	-	Apr	28	11:57:30s 0:02:30 -
+Rule	sol88	1988	only	-	Apr	29	11:57:20s 0:02:40 -
+Rule	sol88	1988	only	-	Apr	30	11:57:10s 0:02:50 -
+Rule	sol88	1988	only	-	May	1	11:57:05s 0:02:55 -
+Rule	sol88	1988	only	-	May	2	11:56:55s 0:03:05 -
+Rule	sol88	1988	only	-	May	3	11:56:50s 0:03:10 -
+Rule	sol88	1988	only	-	May	4	11:56:45s 0:03:15 -
+Rule	sol88	1988	only	-	May	5	11:56:40s 0:03:20 -
+Rule	sol88	1988	only	-	May	6	11:56:35s 0:03:25 -
+Rule	sol88	1988	only	-	May	7	11:56:30s 0:03:30 -
+Rule	sol88	1988	only	-	May	8	11:56:25s 0:03:35 -
+Rule	sol88	1988	only	-	May	9	11:56:25s 0:03:35 -
+Rule	sol88	1988	only	-	May	10	11:56:20s 0:03:40 -
+Rule	sol88	1988	only	-	May	11	11:56:20s 0:03:40 -
+Rule	sol88	1988	only	-	May	12	11:56:20s 0:03:40 -
+Rule	sol88	1988	only	-	May	13	11:56:20s 0:03:40 -
+Rule	sol88	1988	only	-	May	14	11:56:20s 0:03:40 -
+Rule	sol88	1988	only	-	May	15	11:56:20s 0:03:40 -
+Rule	sol88	1988	only	-	May	16	11:56:20s 0:03:40 -
+Rule	sol88	1988	only	-	May	17	11:56:20s 0:03:40 -
+Rule	sol88	1988	only	-	May	18	11:56:25s 0:03:35 -
+Rule	sol88	1988	only	-	May	19	11:56:25s 0:03:35 -
+Rule	sol88	1988	only	-	May	20	11:56:30s 0:03:30 -
+Rule	sol88	1988	only	-	May	21	11:56:35s 0:03:25 -
+Rule	sol88	1988	only	-	May	22	11:56:40s 0:03:20 -
+Rule	sol88	1988	only	-	May	23	11:56:45s 0:03:15 -
+Rule	sol88	1988	only	-	May	24	11:56:50s 0:03:10 -
+Rule	sol88	1988	only	-	May	25	11:56:55s 0:03:05 -
+Rule	sol88	1988	only	-	May	26	11:57:00s 0:03:00 -
+Rule	sol88	1988	only	-	May	27	11:57:05s 0:02:55 -
+Rule	sol88	1988	only	-	May	28	11:57:15s 0:02:45 -
+Rule	sol88	1988	only	-	May	29	11:57:20s 0:02:40 -
+Rule	sol88	1988	only	-	May	30	11:57:30s 0:02:30 -
+Rule	sol88	1988	only	-	May	31	11:57:40s 0:02:20 -
+Rule	sol88	1988	only	-	Jun	1	11:57:50s 0:02:10 -
+Rule	sol88	1988	only	-	Jun	2	11:57:55s 0:02:05 -
+Rule	sol88	1988	only	-	Jun	3	11:58:05s 0:01:55 -
+Rule	sol88	1988	only	-	Jun	4	11:58:15s 0:01:45 -
+Rule	sol88	1988	only	-	Jun	5	11:58:30s 0:01:30 -
+Rule	sol88	1988	only	-	Jun	6	11:58:40s 0:01:20 -
+Rule	sol88	1988	only	-	Jun	7	11:58:50s 0:01:10 -
+Rule	sol88	1988	only	-	Jun	8	11:59:00s 0:01:00 -
+Rule	sol88	1988	only	-	Jun	9	11:59:15s 0:00:45 -
+Rule	sol88	1988	only	-	Jun	10	11:59:25s 0:00:35 -
+Rule	sol88	1988	only	-	Jun	11	11:59:35s 0:00:25 -
+Rule	sol88	1988	only	-	Jun	12	11:59:50s 0:00:10 -
+Rule	sol88	1988	only	-	Jun	13	12:00:00s 0:00:00 -
+Rule	sol88	1988	only	-	Jun	14	12:00:15s -0:00:15 -
+Rule	sol88	1988	only	-	Jun	15	12:00:25s -0:00:25 -
+Rule	sol88	1988	only	-	Jun	16	12:00:40s -0:00:40 -
+Rule	sol88	1988	only	-	Jun	17	12:00:55s -0:00:55 -
+Rule	sol88	1988	only	-	Jun	18	12:01:05s -0:01:05 -
+Rule	sol88	1988	only	-	Jun	19	12:01:20s -0:01:20 -
+Rule	sol88	1988	only	-	Jun	20	12:01:30s -0:01:30 -
+Rule	sol88	1988	only	-	Jun	21	12:01:45s -0:01:45 -
+Rule	sol88	1988	only	-	Jun	22	12:02:00s -0:02:00 -
+Rule	sol88	1988	only	-	Jun	23	12:02:10s -0:02:10 -
+Rule	sol88	1988	only	-	Jun	24	12:02:25s -0:02:25 -
+Rule	sol88	1988	only	-	Jun	25	12:02:35s -0:02:35 -
+Rule	sol88	1988	only	-	Jun	26	12:02:50s -0:02:50 -
+Rule	sol88	1988	only	-	Jun	27	12:03:00s -0:03:00 -
+Rule	sol88	1988	only	-	Jun	28	12:03:15s -0:03:15 -
+Rule	sol88	1988	only	-	Jun	29	12:03:25s -0:03:25 -
+Rule	sol88	1988	only	-	Jun	30	12:03:40s -0:03:40 -
+Rule	sol88	1988	only	-	Jul	1	12:03:50s -0:03:50 -
+Rule	sol88	1988	only	-	Jul	2	12:04:00s -0:04:00 -
+Rule	sol88	1988	only	-	Jul	3	12:04:10s -0:04:10 -
+Rule	sol88	1988	only	-	Jul	4	12:04:25s -0:04:25 -
+Rule	sol88	1988	only	-	Jul	5	12:04:35s -0:04:35 -
+Rule	sol88	1988	only	-	Jul	6	12:04:45s -0:04:45 -
+Rule	sol88	1988	only	-	Jul	7	12:04:55s -0:04:55 -
+Rule	sol88	1988	only	-	Jul	8	12:05:05s -0:05:05 -
+Rule	sol88	1988	only	-	Jul	9	12:05:10s -0:05:10 -
+Rule	sol88	1988	only	-	Jul	10	12:05:20s -0:05:20 -
+Rule	sol88	1988	only	-	Jul	11	12:05:30s -0:05:30 -
+Rule	sol88	1988	only	-	Jul	12	12:05:35s -0:05:35 -
+Rule	sol88	1988	only	-	Jul	13	12:05:45s -0:05:45 -
+Rule	sol88	1988	only	-	Jul	14	12:05:50s -0:05:50 -
+Rule	sol88	1988	only	-	Jul	15	12:05:55s -0:05:55 -
+Rule	sol88	1988	only	-	Jul	16	12:06:00s -0:06:00 -
+Rule	sol88	1988	only	-	Jul	17	12:06:05s -0:06:05 -
+Rule	sol88	1988	only	-	Jul	18	12:06:10s -0:06:10 -
+Rule	sol88	1988	only	-	Jul	19	12:06:15s -0:06:15 -
+Rule	sol88	1988	only	-	Jul	20	12:06:20s -0:06:20 -
+Rule	sol88	1988	only	-	Jul	21	12:06:25s -0:06:25 -
+Rule	sol88	1988	only	-	Jul	22	12:06:25s -0:06:25 -
+Rule	sol88	1988	only	-	Jul	23	12:06:25s -0:06:25 -
+Rule	sol88	1988	only	-	Jul	24	12:06:30s -0:06:30 -
+Rule	sol88	1988	only	-	Jul	25	12:06:30s -0:06:30 -
+Rule	sol88	1988	only	-	Jul	26	12:06:30s -0:06:30 -
+Rule	sol88	1988	only	-	Jul	27	12:06:30s -0:06:30 -
+Rule	sol88	1988	only	-	Jul	28	12:06:30s -0:06:30 -
+Rule	sol88	1988	only	-	Jul	29	12:06:25s -0:06:25 -
+Rule	sol88	1988	only	-	Jul	30	12:06:25s -0:06:25 -
+Rule	sol88	1988	only	-	Jul	31	12:06:20s -0:06:20 -
+Rule	sol88	1988	only	-	Aug	1	12:06:15s -0:06:15 -
+Rule	sol88	1988	only	-	Aug	2	12:06:15s -0:06:15 -
+Rule	sol88	1988	only	-	Aug	3	12:06:10s -0:06:10 -
+Rule	sol88	1988	only	-	Aug	4	12:06:05s -0:06:05 -
+Rule	sol88	1988	only	-	Aug	5	12:05:55s -0:05:55 -
+Rule	sol88	1988	only	-	Aug	6	12:05:50s -0:05:50 -
+Rule	sol88	1988	only	-	Aug	7	12:05:45s -0:05:45 -
+Rule	sol88	1988	only	-	Aug	8	12:05:35s -0:05:35 -
+Rule	sol88	1988	only	-	Aug	9	12:05:25s -0:05:25 -
+Rule	sol88	1988	only	-	Aug	10	12:05:20s -0:05:20 -
+Rule	sol88	1988	only	-	Aug	11	12:05:10s -0:05:10 -
+Rule	sol88	1988	only	-	Aug	12	12:05:00s -0:05:00 -
+Rule	sol88	1988	only	-	Aug	13	12:04:50s -0:04:50 -
+Rule	sol88	1988	only	-	Aug	14	12:04:35s -0:04:35 -
+Rule	sol88	1988	only	-	Aug	15	12:04:25s -0:04:25 -
+Rule	sol88	1988	only	-	Aug	16	12:04:15s -0:04:15 -
+Rule	sol88	1988	only	-	Aug	17	12:04:00s -0:04:00 -
+Rule	sol88	1988	only	-	Aug	18	12:03:50s -0:03:50 -
+Rule	sol88	1988	only	-	Aug	19	12:03:35s -0:03:35 -
+Rule	sol88	1988	only	-	Aug	20	12:03:20s -0:03:20 -
+Rule	sol88	1988	only	-	Aug	21	12:03:05s -0:03:05 -
+Rule	sol88	1988	only	-	Aug	22	12:02:50s -0:02:50 -
+Rule	sol88	1988	only	-	Aug	23	12:02:35s -0:02:35 -
+Rule	sol88	1988	only	-	Aug	24	12:02:20s -0:02:20 -
+Rule	sol88	1988	only	-	Aug	25	12:02:00s -0:02:00 -
+Rule	sol88	1988	only	-	Aug	26	12:01:45s -0:01:45 -
+Rule	sol88	1988	only	-	Aug	27	12:01:30s -0:01:30 -
+Rule	sol88	1988	only	-	Aug	28	12:01:10s -0:01:10 -
+Rule	sol88	1988	only	-	Aug	29	12:00:50s -0:00:50 -
+Rule	sol88	1988	only	-	Aug	30	12:00:35s -0:00:35 -
+Rule	sol88	1988	only	-	Aug	31	12:00:15s -0:00:15 -
+Rule	sol88	1988	only	-	Sep	1	11:59:55s 0:00:05 -
+Rule	sol88	1988	only	-	Sep	2	11:59:35s 0:00:25 -
+Rule	sol88	1988	only	-	Sep	3	11:59:20s 0:00:40 -
+Rule	sol88	1988	only	-	Sep	4	11:59:00s 0:01:00 -
+Rule	sol88	1988	only	-	Sep	5	11:58:40s 0:01:20 -
+Rule	sol88	1988	only	-	Sep	6	11:58:20s 0:01:40 -
+Rule	sol88	1988	only	-	Sep	7	11:58:00s 0:02:00 -
+Rule	sol88	1988	only	-	Sep	8	11:57:35s 0:02:25 -
+Rule	sol88	1988	only	-	Sep	9	11:57:15s 0:02:45 -
+Rule	sol88	1988	only	-	Sep	10	11:56:55s 0:03:05 -
+Rule	sol88	1988	only	-	Sep	11	11:56:35s 0:03:25 -
+Rule	sol88	1988	only	-	Sep	12	11:56:15s 0:03:45 -
+Rule	sol88	1988	only	-	Sep	13	11:55:50s 0:04:10 -
+Rule	sol88	1988	only	-	Sep	14	11:55:30s 0:04:30 -
+Rule	sol88	1988	only	-	Sep	15	11:55:10s 0:04:50 -
+Rule	sol88	1988	only	-	Sep	16	11:54:50s 0:05:10 -
+Rule	sol88	1988	only	-	Sep	17	11:54:25s 0:05:35 -
+Rule	sol88	1988	only	-	Sep	18	11:54:05s 0:05:55 -
+Rule	sol88	1988	only	-	Sep	19	11:53:45s 0:06:15 -
+Rule	sol88	1988	only	-	Sep	20	11:53:25s 0:06:35 -
+Rule	sol88	1988	only	-	Sep	21	11:53:00s 0:07:00 -
+Rule	sol88	1988	only	-	Sep	22	11:52:40s 0:07:20 -
+Rule	sol88	1988	only	-	Sep	23	11:52:20s 0:07:40 -
+Rule	sol88	1988	only	-	Sep	24	11:52:00s 0:08:00 -
+Rule	sol88	1988	only	-	Sep	25	11:51:40s 0:08:20 -
+Rule	sol88	1988	only	-	Sep	26	11:51:15s 0:08:45 -
+Rule	sol88	1988	only	-	Sep	27	11:50:55s 0:09:05 -
+Rule	sol88	1988	only	-	Sep	28	11:50:35s 0:09:25 -
+Rule	sol88	1988	only	-	Sep	29	11:50:15s 0:09:45 -
+Rule	sol88	1988	only	-	Sep	30	11:49:55s 0:10:05 -
+Rule	sol88	1988	only	-	Oct	1	11:49:35s 0:10:25 -
+Rule	sol88	1988	only	-	Oct	2	11:49:20s 0:10:40 -
+Rule	sol88	1988	only	-	Oct	3	11:49:00s 0:11:00 -
+Rule	sol88	1988	only	-	Oct	4	11:48:40s 0:11:20 -
+Rule	sol88	1988	only	-	Oct	5	11:48:25s 0:11:35 -
+Rule	sol88	1988	only	-	Oct	6	11:48:05s 0:11:55 -
+Rule	sol88	1988	only	-	Oct	7	11:47:50s 0:12:10 -
+Rule	sol88	1988	only	-	Oct	8	11:47:30s 0:12:30 -
+Rule	sol88	1988	only	-	Oct	9	11:47:15s 0:12:45 -
+Rule	sol88	1988	only	-	Oct	10	11:47:00s 0:13:00 -
+Rule	sol88	1988	only	-	Oct	11	11:46:45s 0:13:15 -
+Rule	sol88	1988	only	-	Oct	12	11:46:30s 0:13:30 -
+Rule	sol88	1988	only	-	Oct	13	11:46:15s 0:13:45 -
+Rule	sol88	1988	only	-	Oct	14	11:46:00s 0:14:00 -
+Rule	sol88	1988	only	-	Oct	15	11:45:45s 0:14:15 -
+Rule	sol88	1988	only	-	Oct	16	11:45:35s 0:14:25 -
+Rule	sol88	1988	only	-	Oct	17	11:45:20s 0:14:40 -
+Rule	sol88	1988	only	-	Oct	18	11:45:10s 0:14:50 -
+Rule	sol88	1988	only	-	Oct	19	11:45:00s 0:15:00 -
+Rule	sol88	1988	only	-	Oct	20	11:44:45s 0:15:15 -
+Rule	sol88	1988	only	-	Oct	21	11:44:40s 0:15:20 -
+Rule	sol88	1988	only	-	Oct	22	11:44:30s 0:15:30 -
+Rule	sol88	1988	only	-	Oct	23	11:44:20s 0:15:40 -
+Rule	sol88	1988	only	-	Oct	24	11:44:10s 0:15:50 -
+Rule	sol88	1988	only	-	Oct	25	11:44:05s 0:15:55 -
+Rule	sol88	1988	only	-	Oct	26	11:44:00s 0:16:00 -
+Rule	sol88	1988	only	-	Oct	27	11:43:55s 0:16:05 -
+Rule	sol88	1988	only	-	Oct	28	11:43:50s 0:16:10 -
+Rule	sol88	1988	only	-	Oct	29	11:43:45s 0:16:15 -
+Rule	sol88	1988	only	-	Oct	30	11:43:40s 0:16:20 -
+Rule	sol88	1988	only	-	Oct	31	11:43:40s 0:16:20 -
+Rule	sol88	1988	only	-	Nov	1	11:43:35s 0:16:25 -
+Rule	sol88	1988	only	-	Nov	2	11:43:35s 0:16:25 -
+Rule	sol88	1988	only	-	Nov	3	11:43:35s 0:16:25 -
+Rule	sol88	1988	only	-	Nov	4	11:43:35s 0:16:25 -
+Rule	sol88	1988	only	-	Nov	5	11:43:40s 0:16:20 -
+Rule	sol88	1988	only	-	Nov	6	11:43:40s 0:16:20 -
+Rule	sol88	1988	only	-	Nov	7	11:43:45s 0:16:15 -
+Rule	sol88	1988	only	-	Nov	8	11:43:45s 0:16:15 -
+Rule	sol88	1988	only	-	Nov	9	11:43:50s 0:16:10 -
+Rule	sol88	1988	only	-	Nov	10	11:44:00s 0:16:00 -
+Rule	sol88	1988	only	-	Nov	11	11:44:05s 0:15:55 -
+Rule	sol88	1988	only	-	Nov	12	11:44:10s 0:15:50 -
+Rule	sol88	1988	only	-	Nov	13	11:44:20s 0:15:40 -
+Rule	sol88	1988	only	-	Nov	14	11:44:30s 0:15:30 -
+Rule	sol88	1988	only	-	Nov	15	11:44:40s 0:15:20 -
+Rule	sol88	1988	only	-	Nov	16	11:44:50s 0:15:10 -
+Rule	sol88	1988	only	-	Nov	17	11:45:00s 0:15:00 -
+Rule	sol88	1988	only	-	Nov	18	11:45:15s 0:14:45 -
+Rule	sol88	1988	only	-	Nov	19	11:45:25s 0:14:35 -
+Rule	sol88	1988	only	-	Nov	20	11:45:40s 0:14:20 -
+Rule	sol88	1988	only	-	Nov	21	11:45:55s 0:14:05 -
+Rule	sol88	1988	only	-	Nov	22	11:46:10s 0:13:50 -
+Rule	sol88	1988	only	-	Nov	23	11:46:30s 0:13:30 -
+Rule	sol88	1988	only	-	Nov	24	11:46:45s 0:13:15 -
+Rule	sol88	1988	only	-	Nov	25	11:47:05s 0:12:55 -
+Rule	sol88	1988	only	-	Nov	26	11:47:20s 0:12:40 -
+Rule	sol88	1988	only	-	Nov	27	11:47:40s 0:12:20 -
+Rule	sol88	1988	only	-	Nov	28	11:48:00s 0:12:00 -
+Rule	sol88	1988	only	-	Nov	29	11:48:25s 0:11:35 -
+Rule	sol88	1988	only	-	Nov	30	11:48:45s 0:11:15 -
+Rule	sol88	1988	only	-	Dec	1	11:49:05s 0:10:55 -
+Rule	sol88	1988	only	-	Dec	2	11:49:30s 0:10:30 -
+Rule	sol88	1988	only	-	Dec	3	11:49:55s 0:10:05 -
+Rule	sol88	1988	only	-	Dec	4	11:50:15s 0:09:45 -
+Rule	sol88	1988	only	-	Dec	5	11:50:40s 0:09:20 -
+Rule	sol88	1988	only	-	Dec	6	11:51:05s 0:08:55 -
+Rule	sol88	1988	only	-	Dec	7	11:51:35s 0:08:25 -
+Rule	sol88	1988	only	-	Dec	8	11:52:00s 0:08:00 -
+Rule	sol88	1988	only	-	Dec	9	11:52:25s 0:07:35 -
+Rule	sol88	1988	only	-	Dec	10	11:52:55s 0:07:05 -
+Rule	sol88	1988	only	-	Dec	11	11:53:20s 0:06:40 -
+Rule	sol88	1988	only	-	Dec	12	11:53:50s 0:06:10 -
+Rule	sol88	1988	only	-	Dec	13	11:54:15s 0:05:45 -
+Rule	sol88	1988	only	-	Dec	14	11:54:45s 0:05:15 -
+Rule	sol88	1988	only	-	Dec	15	11:55:15s 0:04:45 -
+Rule	sol88	1988	only	-	Dec	16	11:55:45s 0:04:15 -
+Rule	sol88	1988	only	-	Dec	17	11:56:15s 0:03:45 -
+Rule	sol88	1988	only	-	Dec	18	11:56:40s 0:03:20 -
+Rule	sol88	1988	only	-	Dec	19	11:57:10s 0:02:50 -
+Rule	sol88	1988	only	-	Dec	20	11:57:40s 0:02:20 -
+Rule	sol88	1988	only	-	Dec	21	11:58:10s 0:01:50 -
+Rule	sol88	1988	only	-	Dec	22	11:58:40s 0:01:20 -
+Rule	sol88	1988	only	-	Dec	23	11:59:10s 0:00:50 -
+Rule	sol88	1988	only	-	Dec	24	11:59:40s 0:00:20 -
+Rule	sol88	1988	only	-	Dec	25	12:00:10s -0:00:10 -
+Rule	sol88	1988	only	-	Dec	26	12:00:40s -0:00:40 -
+Rule	sol88	1988	only	-	Dec	27	12:01:10s -0:01:10 -
+Rule	sol88	1988	only	-	Dec	28	12:01:40s -0:01:40 -
+Rule	sol88	1988	only	-	Dec	29	12:02:10s -0:02:10 -
+Rule	sol88	1988	only	-	Dec	30	12:02:35s -0:02:35 -
+Rule	sol88	1988	only	-	Dec	31	12:03:05s -0:03:05 -
+
+# Riyadh is at about 46 degrees 46 minutes East:  3 hrs, 7 mins, 4 secs
+# Before and after 1988, we'll operate on local mean solar time.
+
+# Zone	NAME		GMTOFF	RULES/SAVE	FORMAT	[UNTIL]
+Zone	Asia/Riyadh88	3:07:04	-		zzz	1988
+			3:07:04	sol88		zzz	1989
+			3:07:04	-		zzz
+# For backward compatibility...
+Link	Asia/Riyadh88	Mideast/Riyadh88
diff --git a/commands/zoneinfo/solar89 b/commands/zoneinfo/solar89
new file mode 100644
index 000000000..8c4853146
--- /dev/null
+++ b/commands/zoneinfo/solar89
@@ -0,0 +1,393 @@
+# @(#)solar89	8.1
+
+# Apparent noon times below are for Riyadh; they're a bit off for other places.
+# Times were computed using a formula provided by the U. S. Naval Observatory:
+#	eqt = -105.8 * sin(l) + 596.2 * sin(2 * l) + 4.4 * sin(3 * l)
+#		-12.7 * sin(4 * l) - 429.0 * cos(l) - 2.1 * cos (2 * l)
+#		+ 19.3 * cos(3 * l);
+# where l is the "mean longitude of the Sun" given by
+#	l = 279.642 degrees + 0.985647 * d
+# and d is the interval in days from January 0, 0 hours Universal Time
+# (equaling the day of the year plus the fraction of a day from zero hours).
+# The accuracy of the formula is plus or minus three seconds.
+#
+# Rounding to the nearest five seconds results in fewer than
+# 256 different "time types"--a limit that's faced because time types are
+# stored on disk as unsigned chars.
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	sol89	1989	only	-	Jan	1	12:03:35s -0:03:35 -
+Rule	sol89	1989	only	-	Jan	2	12:04:05s -0:04:05 -
+Rule	sol89	1989	only	-	Jan	3	12:04:30s -0:04:30 -
+Rule	sol89	1989	only	-	Jan	4	12:05:00s -0:05:00 -
+Rule	sol89	1989	only	-	Jan	5	12:05:25s -0:05:25 -
+Rule	sol89	1989	only	-	Jan	6	12:05:50s -0:05:50 -
+Rule	sol89	1989	only	-	Jan	7	12:06:15s -0:06:15 -
+Rule	sol89	1989	only	-	Jan	8	12:06:45s -0:06:45 -
+Rule	sol89	1989	only	-	Jan	9	12:07:10s -0:07:10 -
+Rule	sol89	1989	only	-	Jan	10	12:07:35s -0:07:35 -
+Rule	sol89	1989	only	-	Jan	11	12:07:55s -0:07:55 -
+Rule	sol89	1989	only	-	Jan	12	12:08:20s -0:08:20 -
+Rule	sol89	1989	only	-	Jan	13	12:08:45s -0:08:45 -
+Rule	sol89	1989	only	-	Jan	14	12:09:05s -0:09:05 -
+Rule	sol89	1989	only	-	Jan	15	12:09:25s -0:09:25 -
+Rule	sol89	1989	only	-	Jan	16	12:09:45s -0:09:45 -
+Rule	sol89	1989	only	-	Jan	17	12:10:05s -0:10:05 -
+Rule	sol89	1989	only	-	Jan	18	12:10:25s -0:10:25 -
+Rule	sol89	1989	only	-	Jan	19	12:10:45s -0:10:45 -
+Rule	sol89	1989	only	-	Jan	20	12:11:05s -0:11:05 -
+Rule	sol89	1989	only	-	Jan	21	12:11:20s -0:11:20 -
+Rule	sol89	1989	only	-	Jan	22	12:11:35s -0:11:35 -
+Rule	sol89	1989	only	-	Jan	23	12:11:55s -0:11:55 -
+Rule	sol89	1989	only	-	Jan	24	12:12:10s -0:12:10 -
+Rule	sol89	1989	only	-	Jan	25	12:12:20s -0:12:20 -
+Rule	sol89	1989	only	-	Jan	26	12:12:35s -0:12:35 -
+Rule	sol89	1989	only	-	Jan	27	12:12:50s -0:12:50 -
+Rule	sol89	1989	only	-	Jan	28	12:13:00s -0:13:00 -
+Rule	sol89	1989	only	-	Jan	29	12:13:10s -0:13:10 -
+Rule	sol89	1989	only	-	Jan	30	12:13:20s -0:13:20 -
+Rule	sol89	1989	only	-	Jan	31	12:13:30s -0:13:30 -
+Rule	sol89	1989	only	-	Feb	1	12:13:40s -0:13:40 -
+Rule	sol89	1989	only	-	Feb	2	12:13:45s -0:13:45 -
+Rule	sol89	1989	only	-	Feb	3	12:13:55s -0:13:55 -
+Rule	sol89	1989	only	-	Feb	4	12:14:00s -0:14:00 -
+Rule	sol89	1989	only	-	Feb	5	12:14:05s -0:14:05 -
+Rule	sol89	1989	only	-	Feb	6	12:14:10s -0:14:10 -
+Rule	sol89	1989	only	-	Feb	7	12:14:10s -0:14:10 -
+Rule	sol89	1989	only	-	Feb	8	12:14:15s -0:14:15 -
+Rule	sol89	1989	only	-	Feb	9	12:14:15s -0:14:15 -
+Rule	sol89	1989	only	-	Feb	10	12:14:20s -0:14:20 -
+Rule	sol89	1989	only	-	Feb	11	12:14:20s -0:14:20 -
+Rule	sol89	1989	only	-	Feb	12	12:14:20s -0:14:20 -
+Rule	sol89	1989	only	-	Feb	13	12:14:15s -0:14:15 -
+Rule	sol89	1989	only	-	Feb	14	12:14:15s -0:14:15 -
+Rule	sol89	1989	only	-	Feb	15	12:14:10s -0:14:10 -
+Rule	sol89	1989	only	-	Feb	16	12:14:10s -0:14:10 -
+Rule	sol89	1989	only	-	Feb	17	12:14:05s -0:14:05 -
+Rule	sol89	1989	only	-	Feb	18	12:14:00s -0:14:00 -
+Rule	sol89	1989	only	-	Feb	19	12:13:55s -0:13:55 -
+Rule	sol89	1989	only	-	Feb	20	12:13:50s -0:13:50 -
+Rule	sol89	1989	only	-	Feb	21	12:13:40s -0:13:40 -
+Rule	sol89	1989	only	-	Feb	22	12:13:35s -0:13:35 -
+Rule	sol89	1989	only	-	Feb	23	12:13:25s -0:13:25 -
+Rule	sol89	1989	only	-	Feb	24	12:13:15s -0:13:15 -
+Rule	sol89	1989	only	-	Feb	25	12:13:05s -0:13:05 -
+Rule	sol89	1989	only	-	Feb	26	12:12:55s -0:12:55 -
+Rule	sol89	1989	only	-	Feb	27	12:12:45s -0:12:45 -
+Rule	sol89	1989	only	-	Feb	28	12:12:35s -0:12:35 -
+Rule	sol89	1989	only	-	Mar	1	12:12:25s -0:12:25 -
+Rule	sol89	1989	only	-	Mar	2	12:12:10s -0:12:10 -
+Rule	sol89	1989	only	-	Mar	3	12:12:00s -0:12:00 -
+Rule	sol89	1989	only	-	Mar	4	12:11:45s -0:11:45 -
+Rule	sol89	1989	only	-	Mar	5	12:11:35s -0:11:35 -
+Rule	sol89	1989	only	-	Mar	6	12:11:20s -0:11:20 -
+Rule	sol89	1989	only	-	Mar	7	12:11:05s -0:11:05 -
+Rule	sol89	1989	only	-	Mar	8	12:10:50s -0:10:50 -
+Rule	sol89	1989	only	-	Mar	9	12:10:35s -0:10:35 -
+Rule	sol89	1989	only	-	Mar	10	12:10:20s -0:10:20 -
+Rule	sol89	1989	only	-	Mar	11	12:10:05s -0:10:05 -
+Rule	sol89	1989	only	-	Mar	12	12:09:50s -0:09:50 -
+Rule	sol89	1989	only	-	Mar	13	12:09:30s -0:09:30 -
+Rule	sol89	1989	only	-	Mar	14	12:09:15s -0:09:15 -
+Rule	sol89	1989	only	-	Mar	15	12:09:00s -0:09:00 -
+Rule	sol89	1989	only	-	Mar	16	12:08:40s -0:08:40 -
+Rule	sol89	1989	only	-	Mar	17	12:08:25s -0:08:25 -
+Rule	sol89	1989	only	-	Mar	18	12:08:05s -0:08:05 -
+Rule	sol89	1989	only	-	Mar	19	12:07:50s -0:07:50 -
+Rule	sol89	1989	only	-	Mar	20	12:07:30s -0:07:30 -
+Rule	sol89	1989	only	-	Mar	21	12:07:15s -0:07:15 -
+Rule	sol89	1989	only	-	Mar	22	12:06:55s -0:06:55 -
+Rule	sol89	1989	only	-	Mar	23	12:06:35s -0:06:35 -
+Rule	sol89	1989	only	-	Mar	24	12:06:20s -0:06:20 -
+Rule	sol89	1989	only	-	Mar	25	12:06:00s -0:06:00 -
+Rule	sol89	1989	only	-	Mar	26	12:05:40s -0:05:40 -
+Rule	sol89	1989	only	-	Mar	27	12:05:25s -0:05:25 -
+Rule	sol89	1989	only	-	Mar	28	12:05:05s -0:05:05 -
+Rule	sol89	1989	only	-	Mar	29	12:04:50s -0:04:50 -
+Rule	sol89	1989	only	-	Mar	30	12:04:30s -0:04:30 -
+Rule	sol89	1989	only	-	Mar	31	12:04:10s -0:04:10 -
+Rule	sol89	1989	only	-	Apr	1	12:03:55s -0:03:55 -
+Rule	sol89	1989	only	-	Apr	2	12:03:35s -0:03:35 -
+Rule	sol89	1989	only	-	Apr	3	12:03:20s -0:03:20 -
+Rule	sol89	1989	only	-	Apr	4	12:03:00s -0:03:00 -
+Rule	sol89	1989	only	-	Apr	5	12:02:45s -0:02:45 -
+Rule	sol89	1989	only	-	Apr	6	12:02:25s -0:02:25 -
+Rule	sol89	1989	only	-	Apr	7	12:02:10s -0:02:10 -
+Rule	sol89	1989	only	-	Apr	8	12:01:50s -0:01:50 -
+Rule	sol89	1989	only	-	Apr	9	12:01:35s -0:01:35 -
+Rule	sol89	1989	only	-	Apr	10	12:01:20s -0:01:20 -
+Rule	sol89	1989	only	-	Apr	11	12:01:05s -0:01:05 -
+Rule	sol89	1989	only	-	Apr	12	12:00:50s -0:00:50 -
+Rule	sol89	1989	only	-	Apr	13	12:00:35s -0:00:35 -
+Rule	sol89	1989	only	-	Apr	14	12:00:20s -0:00:20 -
+Rule	sol89	1989	only	-	Apr	15	12:00:05s -0:00:05 -
+Rule	sol89	1989	only	-	Apr	16	11:59:50s 0:00:10 -
+Rule	sol89	1989	only	-	Apr	17	11:59:35s 0:00:25 -
+Rule	sol89	1989	only	-	Apr	18	11:59:20s 0:00:40 -
+Rule	sol89	1989	only	-	Apr	19	11:59:10s 0:00:50 -
+Rule	sol89	1989	only	-	Apr	20	11:58:55s 0:01:05 -
+Rule	sol89	1989	only	-	Apr	21	11:58:45s 0:01:15 -
+Rule	sol89	1989	only	-	Apr	22	11:58:30s 0:01:30 -
+Rule	sol89	1989	only	-	Apr	23	11:58:20s 0:01:40 -
+Rule	sol89	1989	only	-	Apr	24	11:58:10s 0:01:50 -
+Rule	sol89	1989	only	-	Apr	25	11:58:00s 0:02:00 -
+Rule	sol89	1989	only	-	Apr	26	11:57:50s 0:02:10 -
+Rule	sol89	1989	only	-	Apr	27	11:57:40s 0:02:20 -
+Rule	sol89	1989	only	-	Apr	28	11:57:30s 0:02:30 -
+Rule	sol89	1989	only	-	Apr	29	11:57:20s 0:02:40 -
+Rule	sol89	1989	only	-	Apr	30	11:57:15s 0:02:45 -
+Rule	sol89	1989	only	-	May	1	11:57:05s 0:02:55 -
+Rule	sol89	1989	only	-	May	2	11:57:00s 0:03:00 -
+Rule	sol89	1989	only	-	May	3	11:56:50s 0:03:10 -
+Rule	sol89	1989	only	-	May	4	11:56:45s 0:03:15 -
+Rule	sol89	1989	only	-	May	5	11:56:40s 0:03:20 -
+Rule	sol89	1989	only	-	May	6	11:56:35s 0:03:25 -
+Rule	sol89	1989	only	-	May	7	11:56:30s 0:03:30 -
+Rule	sol89	1989	only	-	May	8	11:56:30s 0:03:30 -
+Rule	sol89	1989	only	-	May	9	11:56:25s 0:03:35 -
+Rule	sol89	1989	only	-	May	10	11:56:25s 0:03:35 -
+Rule	sol89	1989	only	-	May	11	11:56:20s 0:03:40 -
+Rule	sol89	1989	only	-	May	12	11:56:20s 0:03:40 -
+Rule	sol89	1989	only	-	May	13	11:56:20s 0:03:40 -
+Rule	sol89	1989	only	-	May	14	11:56:20s 0:03:40 -
+Rule	sol89	1989	only	-	May	15	11:56:20s 0:03:40 -
+Rule	sol89	1989	only	-	May	16	11:56:20s 0:03:40 -
+Rule	sol89	1989	only	-	May	17	11:56:20s 0:03:40 -
+Rule	sol89	1989	only	-	May	18	11:56:25s 0:03:35 -
+Rule	sol89	1989	only	-	May	19	11:56:25s 0:03:35 -
+Rule	sol89	1989	only	-	May	20	11:56:30s 0:03:30 -
+Rule	sol89	1989	only	-	May	21	11:56:35s 0:03:25 -
+Rule	sol89	1989	only	-	May	22	11:56:35s 0:03:25 -
+Rule	sol89	1989	only	-	May	23	11:56:40s 0:03:20 -
+Rule	sol89	1989	only	-	May	24	11:56:45s 0:03:15 -
+Rule	sol89	1989	only	-	May	25	11:56:55s 0:03:05 -
+Rule	sol89	1989	only	-	May	26	11:57:00s 0:03:00 -
+Rule	sol89	1989	only	-	May	27	11:57:05s 0:02:55 -
+Rule	sol89	1989	only	-	May	28	11:57:15s 0:02:45 -
+Rule	sol89	1989	only	-	May	29	11:57:20s 0:02:40 -
+Rule	sol89	1989	only	-	May	30	11:57:30s 0:02:30 -
+Rule	sol89	1989	only	-	May	31	11:57:35s 0:02:25 -
+Rule	sol89	1989	only	-	Jun	1	11:57:45s 0:02:15 -
+Rule	sol89	1989	only	-	Jun	2	11:57:55s 0:02:05 -
+Rule	sol89	1989	only	-	Jun	3	11:58:05s 0:01:55 -
+Rule	sol89	1989	only	-	Jun	4	11:58:15s 0:01:45 -
+Rule	sol89	1989	only	-	Jun	5	11:58:25s 0:01:35 -
+Rule	sol89	1989	only	-	Jun	6	11:58:35s 0:01:25 -
+Rule	sol89	1989	only	-	Jun	7	11:58:45s 0:01:15 -
+Rule	sol89	1989	only	-	Jun	8	11:59:00s 0:01:00 -
+Rule	sol89	1989	only	-	Jun	9	11:59:10s 0:00:50 -
+Rule	sol89	1989	only	-	Jun	10	11:59:20s 0:00:40 -
+Rule	sol89	1989	only	-	Jun	11	11:59:35s 0:00:25 -
+Rule	sol89	1989	only	-	Jun	12	11:59:45s 0:00:15 -
+Rule	sol89	1989	only	-	Jun	13	12:00:00s 0:00:00 -
+Rule	sol89	1989	only	-	Jun	14	12:00:10s -0:00:10 -
+Rule	sol89	1989	only	-	Jun	15	12:00:25s -0:00:25 -
+Rule	sol89	1989	only	-	Jun	16	12:00:35s -0:00:35 -
+Rule	sol89	1989	only	-	Jun	17	12:00:50s -0:00:50 -
+Rule	sol89	1989	only	-	Jun	18	12:01:05s -0:01:05 -
+Rule	sol89	1989	only	-	Jun	19	12:01:15s -0:01:15 -
+Rule	sol89	1989	only	-	Jun	20	12:01:30s -0:01:30 -
+Rule	sol89	1989	only	-	Jun	21	12:01:40s -0:01:40 -
+Rule	sol89	1989	only	-	Jun	22	12:01:55s -0:01:55 -
+Rule	sol89	1989	only	-	Jun	23	12:02:10s -0:02:10 -
+Rule	sol89	1989	only	-	Jun	24	12:02:20s -0:02:20 -
+Rule	sol89	1989	only	-	Jun	25	12:02:35s -0:02:35 -
+Rule	sol89	1989	only	-	Jun	26	12:02:45s -0:02:45 -
+Rule	sol89	1989	only	-	Jun	27	12:03:00s -0:03:00 -
+Rule	sol89	1989	only	-	Jun	28	12:03:10s -0:03:10 -
+Rule	sol89	1989	only	-	Jun	29	12:03:25s -0:03:25 -
+Rule	sol89	1989	only	-	Jun	30	12:03:35s -0:03:35 -
+Rule	sol89	1989	only	-	Jul	1	12:03:45s -0:03:45 -
+Rule	sol89	1989	only	-	Jul	2	12:04:00s -0:04:00 -
+Rule	sol89	1989	only	-	Jul	3	12:04:10s -0:04:10 -
+Rule	sol89	1989	only	-	Jul	4	12:04:20s -0:04:20 -
+Rule	sol89	1989	only	-	Jul	5	12:04:30s -0:04:30 -
+Rule	sol89	1989	only	-	Jul	6	12:04:40s -0:04:40 -
+Rule	sol89	1989	only	-	Jul	7	12:04:50s -0:04:50 -
+Rule	sol89	1989	only	-	Jul	8	12:05:00s -0:05:00 -
+Rule	sol89	1989	only	-	Jul	9	12:05:10s -0:05:10 -
+Rule	sol89	1989	only	-	Jul	10	12:05:20s -0:05:20 -
+Rule	sol89	1989	only	-	Jul	11	12:05:25s -0:05:25 -
+Rule	sol89	1989	only	-	Jul	12	12:05:35s -0:05:35 -
+Rule	sol89	1989	only	-	Jul	13	12:05:40s -0:05:40 -
+Rule	sol89	1989	only	-	Jul	14	12:05:50s -0:05:50 -
+Rule	sol89	1989	only	-	Jul	15	12:05:55s -0:05:55 -
+Rule	sol89	1989	only	-	Jul	16	12:06:00s -0:06:00 -
+Rule	sol89	1989	only	-	Jul	17	12:06:05s -0:06:05 -
+Rule	sol89	1989	only	-	Jul	18	12:06:10s -0:06:10 -
+Rule	sol89	1989	only	-	Jul	19	12:06:15s -0:06:15 -
+Rule	sol89	1989	only	-	Jul	20	12:06:20s -0:06:20 -
+Rule	sol89	1989	only	-	Jul	21	12:06:20s -0:06:20 -
+Rule	sol89	1989	only	-	Jul	22	12:06:25s -0:06:25 -
+Rule	sol89	1989	only	-	Jul	23	12:06:25s -0:06:25 -
+Rule	sol89	1989	only	-	Jul	24	12:06:30s -0:06:30 -
+Rule	sol89	1989	only	-	Jul	25	12:06:30s -0:06:30 -
+Rule	sol89	1989	only	-	Jul	26	12:06:30s -0:06:30 -
+Rule	sol89	1989	only	-	Jul	27	12:06:30s -0:06:30 -
+Rule	sol89	1989	only	-	Jul	28	12:06:30s -0:06:30 -
+Rule	sol89	1989	only	-	Jul	29	12:06:25s -0:06:25 -
+Rule	sol89	1989	only	-	Jul	30	12:06:25s -0:06:25 -
+Rule	sol89	1989	only	-	Jul	31	12:06:20s -0:06:20 -
+Rule	sol89	1989	only	-	Aug	1	12:06:20s -0:06:20 -
+Rule	sol89	1989	only	-	Aug	2	12:06:15s -0:06:15 -
+Rule	sol89	1989	only	-	Aug	3	12:06:10s -0:06:10 -
+Rule	sol89	1989	only	-	Aug	4	12:06:05s -0:06:05 -
+Rule	sol89	1989	only	-	Aug	5	12:06:00s -0:06:00 -
+Rule	sol89	1989	only	-	Aug	6	12:05:50s -0:05:50 -
+Rule	sol89	1989	only	-	Aug	7	12:05:45s -0:05:45 -
+Rule	sol89	1989	only	-	Aug	8	12:05:35s -0:05:35 -
+Rule	sol89	1989	only	-	Aug	9	12:05:30s -0:05:30 -
+Rule	sol89	1989	only	-	Aug	10	12:05:20s -0:05:20 -
+Rule	sol89	1989	only	-	Aug	11	12:05:10s -0:05:10 -
+Rule	sol89	1989	only	-	Aug	12	12:05:00s -0:05:00 -
+Rule	sol89	1989	only	-	Aug	13	12:04:50s -0:04:50 -
+Rule	sol89	1989	only	-	Aug	14	12:04:40s -0:04:40 -
+Rule	sol89	1989	only	-	Aug	15	12:04:30s -0:04:30 -
+Rule	sol89	1989	only	-	Aug	16	12:04:15s -0:04:15 -
+Rule	sol89	1989	only	-	Aug	17	12:04:05s -0:04:05 -
+Rule	sol89	1989	only	-	Aug	18	12:03:50s -0:03:50 -
+Rule	sol89	1989	only	-	Aug	19	12:03:35s -0:03:35 -
+Rule	sol89	1989	only	-	Aug	20	12:03:25s -0:03:25 -
+Rule	sol89	1989	only	-	Aug	21	12:03:10s -0:03:10 -
+Rule	sol89	1989	only	-	Aug	22	12:02:55s -0:02:55 -
+Rule	sol89	1989	only	-	Aug	23	12:02:40s -0:02:40 -
+Rule	sol89	1989	only	-	Aug	24	12:02:20s -0:02:20 -
+Rule	sol89	1989	only	-	Aug	25	12:02:05s -0:02:05 -
+Rule	sol89	1989	only	-	Aug	26	12:01:50s -0:01:50 -
+Rule	sol89	1989	only	-	Aug	27	12:01:30s -0:01:30 -
+Rule	sol89	1989	only	-	Aug	28	12:01:15s -0:01:15 -
+Rule	sol89	1989	only	-	Aug	29	12:00:55s -0:00:55 -
+Rule	sol89	1989	only	-	Aug	30	12:00:40s -0:00:40 -
+Rule	sol89	1989	only	-	Aug	31	12:00:20s -0:00:20 -
+Rule	sol89	1989	only	-	Sep	1	12:00:00s 0:00:00 -
+Rule	sol89	1989	only	-	Sep	2	11:59:45s 0:00:15 -
+Rule	sol89	1989	only	-	Sep	3	11:59:25s 0:00:35 -
+Rule	sol89	1989	only	-	Sep	4	11:59:05s 0:00:55 -
+Rule	sol89	1989	only	-	Sep	5	11:58:45s 0:01:15 -
+Rule	sol89	1989	only	-	Sep	6	11:58:25s 0:01:35 -
+Rule	sol89	1989	only	-	Sep	7	11:58:05s 0:01:55 -
+Rule	sol89	1989	only	-	Sep	8	11:57:45s 0:02:15 -
+Rule	sol89	1989	only	-	Sep	9	11:57:20s 0:02:40 -
+Rule	sol89	1989	only	-	Sep	10	11:57:00s 0:03:00 -
+Rule	sol89	1989	only	-	Sep	11	11:56:40s 0:03:20 -
+Rule	sol89	1989	only	-	Sep	12	11:56:20s 0:03:40 -
+Rule	sol89	1989	only	-	Sep	13	11:56:00s 0:04:00 -
+Rule	sol89	1989	only	-	Sep	14	11:55:35s 0:04:25 -
+Rule	sol89	1989	only	-	Sep	15	11:55:15s 0:04:45 -
+Rule	sol89	1989	only	-	Sep	16	11:54:55s 0:05:05 -
+Rule	sol89	1989	only	-	Sep	17	11:54:35s 0:05:25 -
+Rule	sol89	1989	only	-	Sep	18	11:54:10s 0:05:50 -
+Rule	sol89	1989	only	-	Sep	19	11:53:50s 0:06:10 -
+Rule	sol89	1989	only	-	Sep	20	11:53:30s 0:06:30 -
+Rule	sol89	1989	only	-	Sep	21	11:53:10s 0:06:50 -
+Rule	sol89	1989	only	-	Sep	22	11:52:45s 0:07:15 -
+Rule	sol89	1989	only	-	Sep	23	11:52:25s 0:07:35 -
+Rule	sol89	1989	only	-	Sep	24	11:52:05s 0:07:55 -
+Rule	sol89	1989	only	-	Sep	25	11:51:45s 0:08:15 -
+Rule	sol89	1989	only	-	Sep	26	11:51:25s 0:08:35 -
+Rule	sol89	1989	only	-	Sep	27	11:51:05s 0:08:55 -
+Rule	sol89	1989	only	-	Sep	28	11:50:40s 0:09:20 -
+Rule	sol89	1989	only	-	Sep	29	11:50:20s 0:09:40 -
+Rule	sol89	1989	only	-	Sep	30	11:50:00s 0:10:00 -
+Rule	sol89	1989	only	-	Oct	1	11:49:45s 0:10:15 -
+Rule	sol89	1989	only	-	Oct	2	11:49:25s 0:10:35 -
+Rule	sol89	1989	only	-	Oct	3	11:49:05s 0:10:55 -
+Rule	sol89	1989	only	-	Oct	4	11:48:45s 0:11:15 -
+Rule	sol89	1989	only	-	Oct	5	11:48:30s 0:11:30 -
+Rule	sol89	1989	only	-	Oct	6	11:48:10s 0:11:50 -
+Rule	sol89	1989	only	-	Oct	7	11:47:50s 0:12:10 -
+Rule	sol89	1989	only	-	Oct	8	11:47:35s 0:12:25 -
+Rule	sol89	1989	only	-	Oct	9	11:47:20s 0:12:40 -
+Rule	sol89	1989	only	-	Oct	10	11:47:00s 0:13:00 -
+Rule	sol89	1989	only	-	Oct	11	11:46:45s 0:13:15 -
+Rule	sol89	1989	only	-	Oct	12	11:46:30s 0:13:30 -
+Rule	sol89	1989	only	-	Oct	13	11:46:15s 0:13:45 -
+Rule	sol89	1989	only	-	Oct	14	11:46:00s 0:14:00 -
+Rule	sol89	1989	only	-	Oct	15	11:45:50s 0:14:10 -
+Rule	sol89	1989	only	-	Oct	16	11:45:35s 0:14:25 -
+Rule	sol89	1989	only	-	Oct	17	11:45:20s 0:14:40 -
+Rule	sol89	1989	only	-	Oct	18	11:45:10s 0:14:50 -
+Rule	sol89	1989	only	-	Oct	19	11:45:00s 0:15:00 -
+Rule	sol89	1989	only	-	Oct	20	11:44:50s 0:15:10 -
+Rule	sol89	1989	only	-	Oct	21	11:44:40s 0:15:20 -
+Rule	sol89	1989	only	-	Oct	22	11:44:30s 0:15:30 -
+Rule	sol89	1989	only	-	Oct	23	11:44:20s 0:15:40 -
+Rule	sol89	1989	only	-	Oct	24	11:44:10s 0:15:50 -
+Rule	sol89	1989	only	-	Oct	25	11:44:05s 0:15:55 -
+Rule	sol89	1989	only	-	Oct	26	11:44:00s 0:16:00 -
+Rule	sol89	1989	only	-	Oct	27	11:43:50s 0:16:10 -
+Rule	sol89	1989	only	-	Oct	28	11:43:45s 0:16:15 -
+Rule	sol89	1989	only	-	Oct	29	11:43:40s 0:16:20 -
+Rule	sol89	1989	only	-	Oct	30	11:43:40s 0:16:20 -
+Rule	sol89	1989	only	-	Oct	31	11:43:35s 0:16:25 -
+Rule	sol89	1989	only	-	Nov	1	11:43:35s 0:16:25 -
+Rule	sol89	1989	only	-	Nov	2	11:43:35s 0:16:25 -
+Rule	sol89	1989	only	-	Nov	3	11:43:30s 0:16:30 -
+Rule	sol89	1989	only	-	Nov	4	11:43:35s 0:16:25 -
+Rule	sol89	1989	only	-	Nov	5	11:43:35s 0:16:25 -
+Rule	sol89	1989	only	-	Nov	6	11:43:35s 0:16:25 -
+Rule	sol89	1989	only	-	Nov	7	11:43:40s 0:16:20 -
+Rule	sol89	1989	only	-	Nov	8	11:43:45s 0:16:15 -
+Rule	sol89	1989	only	-	Nov	9	11:43:50s 0:16:10 -
+Rule	sol89	1989	only	-	Nov	10	11:43:55s 0:16:05 -
+Rule	sol89	1989	only	-	Nov	11	11:44:00s 0:16:00 -
+Rule	sol89	1989	only	-	Nov	12	11:44:05s 0:15:55 -
+Rule	sol89	1989	only	-	Nov	13	11:44:15s 0:15:45 -
+Rule	sol89	1989	only	-	Nov	14	11:44:25s 0:15:35 -
+Rule	sol89	1989	only	-	Nov	15	11:44:35s 0:15:25 -
+Rule	sol89	1989	only	-	Nov	16	11:44:45s 0:15:15 -
+Rule	sol89	1989	only	-	Nov	17	11:44:55s 0:15:05 -
+Rule	sol89	1989	only	-	Nov	18	11:45:10s 0:14:50 -
+Rule	sol89	1989	only	-	Nov	19	11:45:20s 0:14:40 -
+Rule	sol89	1989	only	-	Nov	20	11:45:35s 0:14:25 -
+Rule	sol89	1989	only	-	Nov	21	11:45:50s 0:14:10 -
+Rule	sol89	1989	only	-	Nov	22	11:46:05s 0:13:55 -
+Rule	sol89	1989	only	-	Nov	23	11:46:25s 0:13:35 -
+Rule	sol89	1989	only	-	Nov	24	11:46:40s 0:13:20 -
+Rule	sol89	1989	only	-	Nov	25	11:47:00s 0:13:00 -
+Rule	sol89	1989	only	-	Nov	26	11:47:20s 0:12:40 -
+Rule	sol89	1989	only	-	Nov	27	11:47:35s 0:12:25 -
+Rule	sol89	1989	only	-	Nov	28	11:47:55s 0:12:05 -
+Rule	sol89	1989	only	-	Nov	29	11:48:20s 0:11:40 -
+Rule	sol89	1989	only	-	Nov	30	11:48:40s 0:11:20 -
+Rule	sol89	1989	only	-	Dec	1	11:49:00s 0:11:00 -
+Rule	sol89	1989	only	-	Dec	2	11:49:25s 0:10:35 -
+Rule	sol89	1989	only	-	Dec	3	11:49:50s 0:10:10 -
+Rule	sol89	1989	only	-	Dec	4	11:50:15s 0:09:45 -
+Rule	sol89	1989	only	-	Dec	5	11:50:35s 0:09:25 -
+Rule	sol89	1989	only	-	Dec	6	11:51:00s 0:09:00 -
+Rule	sol89	1989	only	-	Dec	7	11:51:30s 0:08:30 -
+Rule	sol89	1989	only	-	Dec	8	11:51:55s 0:08:05 -
+Rule	sol89	1989	only	-	Dec	9	11:52:20s 0:07:40 -
+Rule	sol89	1989	only	-	Dec	10	11:52:50s 0:07:10 -
+Rule	sol89	1989	only	-	Dec	11	11:53:15s 0:06:45 -
+Rule	sol89	1989	only	-	Dec	12	11:53:45s 0:06:15 -
+Rule	sol89	1989	only	-	Dec	13	11:54:10s 0:05:50 -
+Rule	sol89	1989	only	-	Dec	14	11:54:40s 0:05:20 -
+Rule	sol89	1989	only	-	Dec	15	11:55:10s 0:04:50 -
+Rule	sol89	1989	only	-	Dec	16	11:55:40s 0:04:20 -
+Rule	sol89	1989	only	-	Dec	17	11:56:05s 0:03:55 -
+Rule	sol89	1989	only	-	Dec	18	11:56:35s 0:03:25 -
+Rule	sol89	1989	only	-	Dec	19	11:57:05s 0:02:55 -
+Rule	sol89	1989	only	-	Dec	20	11:57:35s 0:02:25 -
+Rule	sol89	1989	only	-	Dec	21	11:58:05s 0:01:55 -
+Rule	sol89	1989	only	-	Dec	22	11:58:35s 0:01:25 -
+Rule	sol89	1989	only	-	Dec	23	11:59:05s 0:00:55 -
+Rule	sol89	1989	only	-	Dec	24	11:59:35s 0:00:25 -
+Rule	sol89	1989	only	-	Dec	25	12:00:05s -0:00:05 -
+Rule	sol89	1989	only	-	Dec	26	12:00:35s -0:00:35 -
+Rule	sol89	1989	only	-	Dec	27	12:01:05s -0:01:05 -
+Rule	sol89	1989	only	-	Dec	28	12:01:35s -0:01:35 -
+Rule	sol89	1989	only	-	Dec	29	12:02:00s -0:02:00 -
+Rule	sol89	1989	only	-	Dec	30	12:02:30s -0:02:30 -
+Rule	sol89	1989	only	-	Dec	31	12:03:00s -0:03:00 -
+
+# Riyadh is at about 46 degrees 46 minutes East:  3 hrs, 7 mins, 4 secs
+# Before and after 1989, we'll operate on local mean solar time.
+
+# Zone	NAME		GMTOFF	RULES/SAVE	FORMAT	[UNTIL]
+Zone	Asia/Riyadh89	3:07:04	-		zzz	1989
+			3:07:04	sol89		zzz	1990
+			3:07:04	-		zzz
+# For backward compatibility...
+Link	Asia/Riyadh89	Mideast/Riyadh89
diff --git a/commands/zoneinfo/southamerica b/commands/zoneinfo/southamerica
new file mode 100644
index 000000000..7aec8b6b8
--- /dev/null
+++ b/commands/zoneinfo/southamerica
@@ -0,0 +1,1104 @@
+# @(#)southamerica	8.11
+# 
+
+# This data is by no means authoritative; if you think you know better,
+# go ahead and edit the file (and please send any changes to
+# tz@elsie.nci.nih.gov for general use in the future).
+
+# From Paul Eggert (2006-03-22):
+# A good source for time zone historical data outside the U.S. is
+# Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),
+# San Diego: ACS Publications, Inc. (2003).
+#
+# Gwillim Law writes that a good source
+# for recent time zone data is the International Air Transport
+# Association's Standard Schedules Information Manual (IATA SSIM),
+# published semiannually.  Law sent in several helpful summaries
+# of the IATA's data after 1990.
+#
+# Except where otherwise noted, Shanks & Pottenger is the source for
+# entries through 1990, and IATA SSIM is the source for entries afterwards.
+#
+# Earlier editions of these tables used the North American style (e.g. ARST and
+# ARDT for Argentine Standard and Daylight Time), but the following quote
+# suggests that it's better to use European style (e.g. ART and ARST).
+#	I suggest the use of _Summer time_ instead of the more cumbersome
+#	_daylight-saving time_.  _Summer time_ seems to be in general use
+#	in Europe and South America.
+#	-- E O Cutler, _New York Times_ (1937-02-14), quoted in
+#	H L Mencken, _The American Language: Supplement I_ (1960), p 466
+#
+# Earlier editions of these tables also used the North American style
+# for time zones in Brazil, but this was incorrect, as Brazilians say
+# "summer time".  Reinaldo Goulart, a Sao Paulo businessman active in
+# the railroad sector, writes (1999-07-06):
+#	The subject of time zones is currently a matter of discussion/debate in
+#	Brazil.  Let's say that "the Brasilia time" is considered the
+#	"official time" because Brasilia is the capital city.
+#	The other three time zones are called "Brasilia time "minus one" or
+#	"plus one" or "plus two".  As far as I know there is no such
+#	name/designation as "Eastern Time" or "Central Time".
+# So I invented the following (English-language) abbreviations for now.
+# Corrections are welcome!
+#		std	dst
+#	-2:00	FNT	FNST	Fernando de Noronha
+#	-3:00	BRT	BRST	Brasilia
+#	-4:00	AMT	AMST	Amazon
+#	-5:00	ACT	ACST	Acre
+
+###############################################################################
+
+###############################################################################
+
+# Argentina
+
+# From Bob Devine (1988-01-28):
+# Argentina: first Sunday in October to first Sunday in April since 1976.
+# Double Summer time from 1969 to 1974.  Switches at midnight.
+
+# From U. S. Naval Observatory (1988-01-199):
+# ARGENTINA           3 H BEHIND   UTC
+
+# From Hernan G. Otero (1995-06-26):
+# I am sending modifications to the Argentine time zone table...
+# AR was chosen because they are the ISO letters that represent Argentina.
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Arg	1930	only	-	Dec	 1	0:00	1:00	S
+Rule	Arg	1931	only	-	Apr	 1	0:00	0	-
+Rule	Arg	1931	only	-	Oct	15	0:00	1:00	S
+Rule	Arg	1932	1940	-	Mar	 1	0:00	0	-
+Rule	Arg	1932	1939	-	Nov	 1	0:00	1:00	S
+Rule	Arg	1940	only	-	Jul	 1	0:00	1:00	S
+Rule	Arg	1941	only	-	Jun	15	0:00	0	-
+Rule	Arg	1941	only	-	Oct	15	0:00	1:00	S
+Rule	Arg	1943	only	-	Aug	 1	0:00	0	-
+Rule	Arg	1943	only	-	Oct	15	0:00	1:00	S
+Rule	Arg	1946	only	-	Mar	 1	0:00	0	-
+Rule	Arg	1946	only	-	Oct	 1	0:00	1:00	S
+Rule	Arg	1963	only	-	Oct	 1	0:00	0	-
+Rule	Arg	1963	only	-	Dec	15	0:00	1:00	S
+Rule	Arg	1964	1966	-	Mar	 1	0:00	0	-
+Rule	Arg	1964	1966	-	Oct	15	0:00	1:00	S
+Rule	Arg	1967	only	-	Apr	 2	0:00	0	-
+Rule	Arg	1967	1968	-	Oct	Sun>=1	0:00	1:00	S
+Rule	Arg	1968	1969	-	Apr	Sun>=1	0:00	0	-
+Rule	Arg	1974	only	-	Jan	23	0:00	1:00	S
+Rule	Arg	1974	only	-	May	 1	0:00	0	-
+Rule	Arg	1988	only	-	Dec	 1	0:00	1:00	S
+#
+# From Hernan G. Otero (1995-06-26):
+# These corrections were contributed by InterSoft Argentina S.A.,
+# obtaining the data from the:
+# Talleres de Hidrografia Naval Argentina
+# (Argentine Naval Hydrography Institute)
+Rule	Arg	1989	1993	-	Mar	Sun>=1	0:00	0	-
+Rule	Arg	1989	1992	-	Oct	Sun>=15	0:00	1:00	S
+#
+# From Hernan G. Otero (1995-06-26):
+# From this moment on, the law that mandated the daylight saving
+# time corrections was derogated and no more modifications
+# to the time zones (for daylight saving) are now made.
+#
+# From Rives McDow (2000-01-10):
+# On October 3, 1999, 0:00 local, Argentina implemented daylight savings time,
+# which did not result in the switch of a time zone, as they stayed 9 hours
+# from the International Date Line.
+Rule	Arg	1999	only	-	Oct	Sun>=1	0:00	1:00	S
+Rule	Arg	2000	only	-	Mar	Sun>=1	0:00	0	-
+#
+# From Peter Gradelski via Steffen Thorsen (2000-03-01):
+# We just checked with our Sao Paulo office and they say the government of
+# Argentina decided not to become one of the countries that go on or off DST.
+# So Buenos Aires should be -3 hours from GMT at all times.
+#
+# From Fabian L. Arce Jofre (2000-04-04):
+# The law that claimed DST for Argentina was derogated by President Fernando
+# de la Rua on March 2, 2000, because it would make people spend more energy
+# in the winter time, rather than less.  The change took effect on March 3.
+#
+# From Mariano Absatz (2001-06-06):
+# one of the major newspapers here in Argentina said that the 1999
+# Timezone Law (which never was effectively applied) will (would?) be
+# in effect.... The article is at
+# http://ar.clarin.com/diario/2001-06-06/e-01701.htm
+# ... The Law itself is "Ley No 25155", sanctioned on 1999-08-25, enacted
+# 1999-09-17, and published 1999-09-21.  The official publication is at:
+# http://www.boletin.jus.gov.ar/BON/Primera/1999/09-Septiembre/21/PDF/BO21-09-99LEG.PDF
+# Regretfully, you have to subscribe (and pay) for the on-line version....
+#
+# (2001-06-12):
+# the timezone for Argentina will not change next Sunday.
+# Apparently it will do so on Sunday 24th....
+# http://ar.clarin.com/diario/2001-06-12/s-03501.htm
+#
+# (2001-06-25):
+# Last Friday (yes, the last working day before the date of the change), the
+# Senate annulled the 1999 law that introduced the changes later postponed.
+# http://www.clarin.com.ar/diario/2001-06-22/s-03601.htm
+# It remains the vote of the Deputies..., but it will be the same....
+# This kind of things had always been done this way in Argentina.
+# We are still -03:00 all year round in all of the country.
+#
+# From Mariano Absatz (2004-05-21):
+# Today it was officially published that the Province of Mendoza is changing
+# its timezone this winter... starting tomorrow night....
+# http://www.gobernac.mendoza.gov.ar/boletin/pdf/20040521-27158-normas.pdf
+# From Paul Eggert (2004-05-24):
+# It's Law No. 7,210.  This change is due to a public power emergency, so for
+# now we'll assume it's for this year only.
+#
+# From Paul Eggert (2006-03-22):
+# 
+# Hora de verano para la Republica Argentina (2003-06-08)
+#  says that standard time in Argentina from 1894-10-31
+# to 1920-05-01 was -4:16:48.25.  Go with this more-precise value
+# over Shanks & Pottenger.
+#
+# From Mariano Absatz (2004-06-05):
+# These media articles from a major newspaper mostly cover the current state:
+# http://www.lanacion.com.ar/04/05/27/de_604825.asp
+# http://www.lanacion.com.ar/04/05/28/de_605203.asp
+#
+# The following eight (8) provinces pulled clocks back to UTC-04:00 at
+# midnight Monday May 31st. (that is, the night between 05/31 and 06/01).
+# Apparently, all nine provinces would go back to UTC-03:00 at the same
+# time in October 17th.
+#
+# Catamarca, Chubut, La Rioja, San Juan, San Luis, Santa Cruz,
+# Tierra del Fuego, Tucuman.
+#
+# From Mariano Absatz (2004-06-14):
+# ... this weekend, the Province of Tucuman decided it'd go back to UTC-03:00
+# yesterday midnight (that is, at 24:00 Saturday 12th), since the people's
+# annoyance with the change is much higher than the power savings obtained....
+#
+# From Gwillim Law (2004-06-14):
+# http://www.lanacion.com.ar/04/06/10/de_609078.asp ...
+#     "The time change in Tierra del Fuego was a conflicted decision from
+#   the start.  The government had decreed that the measure would take
+#   effect on June 1, but a normative error forced the new time to begin
+#   three days earlier, from a Saturday to a Sunday....
+# Our understanding was that the change was originally scheduled to take place
+# on June 1 at 00:00 in Chubut, Santa Cruz, Tierra del Fuego (and some other
+# provinces).  Sunday was May 30, only two days earlier.  So the article
+# contains a contradiction.  I would give more credence to the Saturday/Sunday
+# date than the "three days earlier" phrase, and conclude that Tierra del
+# Fuego set its clocks back at 2004-05-30 00:00.
+#
+# From Steffen Thorsen (2004-10-05):
+# The previous law 7210 which changed the province of Mendoza's time zone
+# back in May have been modified slightly in a new law 7277, which set the
+# new end date to 2004-09-26 (original date was 2004-10-17).
+# http://www.gobernac.mendoza.gov.ar/boletin/pdf/20040924-27244-normas.pdf
+#
+# From Mariano Absatz (2004-10-05):
+# San Juan changed from UTC-03:00 to UTC-04:00 at midnight between
+# Sunday, May 30th and Monday, May 31st.  It changed back to UTC-03:00
+# at midnight between Saturday, July 24th and Sunday, July 25th....
+# http://www.sanjuan.gov.ar/prensa/archivo/000329.html
+# http://www.sanjuan.gov.ar/prensa/archivo/000426.html
+# http://www.sanjuan.gov.ar/prensa/archivo/000441.html
+
+# Unless otherwise specified, data are from Shanks & Pottenger through 1992,
+# from the IATA otherwise.  As noted below, Shanks & Pottenger say that
+# America/Cordoba split into 6 subregions during 1991/1992, but we
+# haven't verified this yet so for now we'll keep it a single region.
+#
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+#
+# Buenos Aires (BA), Capital Federal (CF),
+Zone America/Argentina/Buenos_Aires -3:53:48 - LMT 1894 Oct 31
+			-4:16:48 -	CMT	1920 May # Cordoba Mean Time
+			-4:00	-	ART	1930 Dec
+			-4:00	Arg	AR%sT	1969 Oct  5
+			-3:00	Arg	AR%sT	1999 Oct  3
+			-4:00	Arg	AR%sT	2000 Mar  3
+			-3:00	-	ART
+#
+# Santa Fe (SF), Entre Rios (ER), Corrientes (CN), Misiones (MN), Chaco (CC),
+# Formosa (FM), Salta (SA), Santiago del Estero (SE), Cordoba (CB),
+# San Luis (SL), La Pampa (LP), Neuquen (NQ), Rio Negro (RN)
+#
+# Shanks & Pottenger also make the following claims, which we haven't verified:
+# - Formosa switched to -3:00 on 1991-01-07.
+# - Misiones switched to -3:00 on 1990-12-29.
+# - Chaco switched to -3:00 on 1991-01-04.
+# - San Luis switched to -4:00 on 1990-03-14, then to -3:00 on 1990-10-15,
+#   then to -4:00 on 1991-03-01, then to -3:00 on 1991-06-01.
+# - Santiago del Estero switched to -4:00 on 1991-04-01,
+#   then to -3:00 on 1991-04-26.
+#
+Zone America/Argentina/Cordoba -4:16:48 - LMT	1894 Oct 31
+			-4:16:48 -	CMT	1920 May
+			-4:00	-	ART	1930 Dec
+			-4:00	Arg	AR%sT	1969 Oct  5
+			-3:00	Arg	AR%sT	1991 Mar  3
+			-4:00	-	WART	1991 Oct 20
+			-3:00	Arg	AR%sT	1999 Oct  3
+			-4:00	Arg	AR%sT	2000 Mar  3
+			-3:00	-	ART
+#
+# Tucuman (TM)
+Zone America/Argentina/Tucuman -4:20:52 - LMT	1894 Oct 31
+			-4:16:48 -	CMT	1920 May
+			-4:00	-	ART	1930 Dec
+			-4:00	Arg	AR%sT	1969 Oct  5
+			-3:00	Arg	AR%sT	1991 Mar  3
+			-4:00	-	WART	1991 Oct 20
+			-3:00	Arg	AR%sT	1999 Oct  3
+			-4:00	Arg	AR%sT	2000 Mar  3
+			-3:00	-	ART	2004 Jun  1
+			-4:00	-	WART	2004 Jun 13
+			-3:00	-	ART
+#
+# La Rioja (LR)
+Zone America/Argentina/La_Rioja -4:27:24 - LMT	1894 Oct 31
+			-4:16:48 -	CMT	1920 May
+			-4:00	-	ART	1930 Dec
+			-4:00	Arg	AR%sT	1969 Oct  5
+			-3:00	Arg	AR%sT	1991 Mar  1
+			-4:00	-	WART	1991 May  7
+			-3:00	Arg	AR%sT	1999 Oct  3
+			-4:00	Arg	AR%sT	2000 Mar  3
+			-3:00	-	ART	2004 Jun  1
+			-4:00	-	WART	2004 Jun 20
+			-3:00	-	ART
+#
+# San Juan (SJ)
+Zone America/Argentina/San_Juan -4:34:04 - LMT	1894 Oct 31
+			-4:16:48 -	CMT	1920 May
+			-4:00	-	ART	1930 Dec
+			-4:00	Arg	AR%sT	1969 Oct  5
+			-3:00	Arg	AR%sT	1991 Mar  1
+			-4:00	-	WART	1991 May  7
+			-3:00	Arg	AR%sT	1999 Oct  3
+			-4:00	Arg	AR%sT	2000 Mar  3
+			-3:00	-	ART	2004 May 31
+			-4:00	-	WART	2004 Jul 25
+			-3:00	-	ART
+#
+# Jujuy (JY)
+Zone America/Argentina/Jujuy -4:21:12 -	LMT	1894 Oct 31
+			-4:16:48 -	CMT	1920 May
+			-4:00	-	ART	1930 Dec
+			-4:00	Arg	AR%sT	1969 Oct  5
+			-3:00	Arg	AR%sT	1990 Mar  4
+			-4:00	-	WART	1990 Oct 28
+			-4:00	1:00	WARST	1991 Mar 17
+			-4:00	-	WART	1991 Oct  6
+			-3:00	1:00	ARST	1992
+			-3:00	Arg	AR%sT	1999 Oct  3
+			-4:00	Arg	AR%sT	2000 Mar  3
+			-3:00	-	ART
+#
+# Catamarca (CT), Chubut (CH)
+Zone America/Argentina/Catamarca -4:23:08 - LMT	1894 Oct 31
+			-4:16:48 -	CMT	1920 May
+			-4:00	-	ART	1930 Dec
+			-4:00	Arg	AR%sT	1969 Oct  5
+			-3:00	Arg	AR%sT	1991 Mar  3
+			-4:00	-	WART	1991 Oct 20
+			-3:00	Arg	AR%sT	1999 Oct  3
+			-4:00	Arg	AR%sT	2000 Mar  3
+			-3:00	-	ART	2004 Jun  1
+			-4:00	-	WART	2004 Jun 20
+			-3:00	-	ART
+#
+# Mendoza (MZ)
+Zone America/Argentina/Mendoza -4:35:16 - LMT	1894 Oct 31
+			-4:16:48 -	CMT	1920 May
+			-4:00	-	ART	1930 Dec
+			-4:00	Arg	AR%sT	1969 Oct  5
+			-3:00	Arg	AR%sT	1990 Mar  4
+			-4:00	-	WART	1990 Oct 15
+			-4:00	1:00	WARST	1991 Mar  1
+			-4:00	-	WART	1991 Oct 15
+			-4:00	1:00	WARST	1992 Mar  1
+			-4:00	-	WART	1992 Oct 18
+			-3:00	Arg	AR%sT	1999 Oct  3
+			-4:00	Arg	AR%sT	2000 Mar  3
+			-3:00	-	ART	2004 May 23
+			-4:00	-	WART	2004 Sep 26
+			-3:00	-	ART
+#
+# Santa Cruz (SC)
+Zone America/Argentina/Rio_Gallegos -4:36:52 - LMT 1894 Oct 31
+			-4:16:48 -	CMT	1920 May # Cordoba Mean Time
+			-4:00	-	ART	1930 Dec
+			-4:00	Arg	AR%sT	1969 Oct  5
+			-3:00	Arg	AR%sT	1999 Oct  3
+			-4:00	Arg	AR%sT	2000 Mar  3
+			-3:00	-	ART	2004 Jun  1
+			-4:00	-	WART	2004 Jun 20
+			-3:00	-	ART
+#
+# Tierra del Fuego, Antartida e Islas del Atlantico Sur (TF)
+Zone America/Argentina/Ushuaia -4:33:12 - LMT 1894 Oct 31
+			-4:16:48 -	CMT	1920 May # Cordoba Mean Time
+			-4:00	-	ART	1930 Dec
+			-4:00	Arg	AR%sT	1969 Oct  5
+			-3:00	Arg	AR%sT	1999 Oct  3
+			-4:00	Arg	AR%sT	2000 Mar  3
+			-3:00	-	ART	2004 May 30
+			-4:00	-	WART	2004 Jun 20
+			-3:00	-	ART
+
+# Aruba
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	America/Aruba	-4:40:24 -	LMT	1912 Feb 12	# Oranjestad
+			-4:30	-	ANT	1965 # Netherlands Antilles Time
+			-4:00	-	AST
+
+# Bolivia
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	America/La_Paz	-4:32:36 -	LMT	1890
+			-4:32:36 -	CMT	1931 Oct 15 # Calamarca MT
+			-4:32:36 1:00	BOST	1932 Mar 21 # Bolivia ST
+			-4:00	-	BOT	# Bolivia Time
+
+# Brazil
+
+# From Paul Eggert (1993-11-18):
+# The mayor of Rio recently attempted to change the time zone rules
+# just in his city, in order to leave more summer time for the tourist trade.
+# The rule change lasted only part of the day;
+# the federal government refused to follow the city's rules, and business
+# was in a chaos, so the mayor backed down that afternoon.
+
+# From IATA SSIM (1996-02):
+# _Only_ the following states in BR1 observe DST: Rio Grande do Sul (RS),
+# Santa Catarina (SC), Parana (PR), Sao Paulo (SP), Rio de Janeiro (RJ),
+# Espirito Santo (ES), Minas Gerais (MG), Bahia (BA), Goias (GO),
+# Distrito Federal (DF), Tocantins (TO), Sergipe [SE] and Alagoas [AL].
+# [The last three states are new to this issue of the IATA SSIM.]
+
+# From Gwillim Law (1996-10-07):
+# Geography, history (Tocantins was part of Goias until 1989), and other
+# sources of time zone information lead me to believe that AL, SE, and TO were
+# always in BR1, and so the only change was whether or not they observed DST....
+# The earliest issue of the SSIM I have is 2/91.  Each issue from then until
+# 9/95 says that DST is observed only in the ten states I quoted from 9/95,
+# along with Mato Grosso (MT) and Mato Grosso do Sul (MS), which are in BR2
+# (UTC-4)....  The other two time zones given for Brazil are BR3, which is
+# UTC-5, no DST, and applies only in the state of Acre (AC); and BR4, which is
+# UTC-2, and applies to Fernando de Noronha (formerly FN, but I believe it's
+# become part of the state of Pernambuco).  The boundary between BR1 and BR2
+# has never been clearly stated.  They've simply been called East and West.
+# However, some conclusions can be drawn from another IATA manual: the Airline
+# Coding Directory, which lists close to 400 airports in Brazil.  For each
+# airport it gives a time zone which is coded to the SSIM.  From that
+# information, I'm led to conclude that the states of Amapa (AP), Ceara (CE),
+# Maranhao (MA), Paraiba (PR), Pernambuco (PE), Piaui (PI), and Rio Grande do
+# Norte (RN), and the eastern part of Para (PA) are all in BR1 without DST.
+
+# From Marcos Tadeu (1998-09-27):
+# 
+# Brazilian official page
+# 
+
+# From Jesper Norgaard (2000-11-03):
+# [For an official list of which regions in Brazil use which time zones, see:]
+# http://pcdsh01.on.br/Fusbr.htm
+# http://pcdsh01.on.br/Fusbrhv.htm
+
+# From Celso Doria via David Madeo (2002-10-09):
+# The reason for the delay this year has to do with elections in Brazil.
+#
+# Unlike in the United States, elections in Brazil are 100% computerized and
+# the results are known almost immediately.  Yesterday, it was the first
+# round of the elections when 115 million Brazilians voted for President,
+# Governor, Senators, Federal Deputies, and State Deputies.  Nobody is
+# counting (or re-counting) votes anymore and we know there will be a second
+# round for the Presidency and also for some Governors.  The 2nd round will
+# take place on October 27th.
+#
+# The reason why the DST will only begin November 3rd is that the thousands
+# of electoral machines used cannot have their time changed, and since the
+# Constitution says the elections must begin at 8:00 AM and end at 5:00 PM,
+# the Government decided to postpone DST, instead of changing the Constitution
+# (maybe, for the next elections, it will be possible to change the clock)...
+
+# From Rodrigo Severo (2004-10-04):
+# It's just the biannual change made necessary by the much hyped, supposedly
+# modern Brazilian eletronic voting machines which, apparently, can't deal
+# with a time change between the first and the second rounds of the elections.
+
+# From Paul Eggert (2002-10-10):
+# The official decrees referenced below are mostly taken from
+# 
+# Decretos sobre o Horario de Verao no Brasil
+# .
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Decree 20,466 (1931-10-01)
+# Decree 21,896 (1932-01-10)
+Rule	Brazil	1931	only	-	Oct	 3	11:00	1:00	S
+Rule	Brazil	1932	1933	-	Apr	 1	 0:00	0	-
+Rule	Brazil	1932	only	-	Oct	 3	 0:00	1:00	S
+# Decree 23,195 (1933-10-10)
+# revoked DST.
+# Decree 27,496 (1949-11-24)
+# Decree 27,998 (1950-04-13)
+Rule	Brazil	1949	1952	-	Dec	 1	 0:00	1:00	S
+Rule	Brazil	1950	only	-	Apr	16	 1:00	0	-
+Rule	Brazil	1951	1952	-	Apr	 1	 0:00	0	-
+# Decree 32,308 (1953-02-24)
+Rule	Brazil	1953	only	-	Mar	 1	 0:00	0	-
+# Decree 34,724 (1953-11-30)
+# revoked DST.
+# Decree 52,700 (1963-10-18)
+# established DST from 1963-10-23 00:00 to 1964-02-29 00:00
+# in SP, RJ, GB, MG, ES, due to the prolongation of the drought.
+# Decree 53,071 (1963-12-03)
+# extended the above decree to all of the national territory on 12-09.
+Rule	Brazil	1963	only	-	Dec	 9	 0:00	1:00	S
+# Decree 53,604 (1964-02-25)
+# extended summer time by one day to 1964-03-01 00:00 (start of school).
+Rule	Brazil	1964	only	-	Mar	 1	 0:00	0	-
+# Decree 55,639 (1965-01-27)
+Rule	Brazil	1965	only	-	Jan	31	 0:00	1:00	S
+Rule	Brazil	1965	only	-	Mar	31	 0:00	0	-
+# Decree 57,303 (1965-11-22)
+Rule	Brazil	1965	only	-	Dec	 1	 0:00	1:00	S
+# Decree 57,843 (1966-02-18)
+Rule	Brazil	1966	1968	-	Mar	 1	 0:00	0	-
+Rule	Brazil	1966	1967	-	Nov	 1	 0:00	1:00	S
+# Decree 63,429 (1968-10-15)
+# revoked DST.
+# Decree 91,698 (1985-09-27)
+Rule	Brazil	1985	only	-	Nov	 2	 0:00	1:00	S
+# Decree 92,310 (1986-01-21)
+# Decree 92,463 (1986-03-13)
+Rule	Brazil	1986	only	-	Mar	15	 0:00	0	-
+# Decree 93,316 (1986-10-01)
+Rule	Brazil	1986	only	-	Oct	25	 0:00	1:00	S
+Rule	Brazil	1987	only	-	Feb	14	 0:00	0	-
+# Decree 94,922 (1987-09-22)
+Rule	Brazil	1987	only	-	Oct	25	 0:00	1:00	S
+Rule	Brazil	1988	only	-	Feb	 7	 0:00	0	-
+# Decree 96,676 (1988-09-12)
+# except for the states of AC, AM, PA, RR, RO, and AP (then a territory)
+Rule	Brazil	1988	only	-	Oct	16	 0:00	1:00	S
+Rule	Brazil	1989	only	-	Jan	29	 0:00	0	-
+# Decree 98,077 (1989-08-21)
+# with the same exceptions
+Rule	Brazil	1989	only	-	Oct	15	 0:00	1:00	S
+Rule	Brazil	1990	only	-	Feb	11	 0:00	0	-
+# Decree 99,530 (1990-09-17)
+# adopted by RS, SC, PR, SP, RJ, ES, MG, GO, MS, DF.
+# Decree 99,629 (1990-10-19) adds BA, MT.
+Rule	Brazil	1990	only	-	Oct	21	 0:00	1:00	S
+Rule	Brazil	1991	only	-	Feb	17	 0:00	0	-
+# Unnumbered decree (1991-09-25)
+# adopted by RS, SC, PR, SP, RJ, ES, MG, BA, GO, MT, MS, DF.
+Rule	Brazil	1991	only	-	Oct	20	 0:00	1:00	S
+Rule	Brazil	1992	only	-	Feb	 9	 0:00	0	-
+# Unnumbered decree (1992-10-16)
+# adopted by same states.
+Rule	Brazil	1992	only	-	Oct	25	 0:00	1:00	S
+Rule	Brazil	1993	only	-	Jan	31	 0:00	0	-
+# Decree 942 (1993-09-28)
+# adopted by same states, plus AM.
+# Decree 1,252 (1994-09-22;
+# web page corrected 2004-01-07) adopted by same states, minus AM.
+# Decree 1,636 (1995-09-14)
+# adopted by same states, plus MT and TO.
+# Decree 1,674 (1995-10-13)
+# adds AL, SE.
+Rule	Brazil	1993	1995	-	Oct	Sun>=11	 0:00	1:00	S
+Rule	Brazil	1994	1995	-	Feb	Sun>=15	 0:00	0	-
+Rule	Brazil	1996	only	-	Feb	11	 0:00	0	-
+# Decree 2,000 (1996-09-04)
+# adopted by same states, minus AL, SE.
+Rule	Brazil	1996	only	-	Oct	 6	 0:00	1:00	S
+Rule	Brazil	1997	only	-	Feb	16	 0:00	0	-
+# From Daniel C. Sobral (1998-02-12):
+# In 1997, the DS began on October 6. The stated reason was that
+# because international television networks ignored Brazil's policy on DS,
+# they bought the wrong times on satellite for coverage of Pope's visit.
+# This year, the ending date of DS was postponed to March 1
+# to help dealing with the shortages of electric power.
+#
+# Decree 2,317 (1997-09-04), adopted by same states.
+Rule	Brazil	1997	only	-	Oct	 6	 0:00	1:00	S
+# Decree 2,495
+# (1998-02-10)
+Rule	Brazil	1998	only	-	Mar	 1	 0:00	0	-
+# Decree 2,780 (1998-09-11)
+# adopted by the same states as before.
+Rule	Brazil	1998	only	-	Oct	11	 0:00	1:00	S
+Rule	Brazil	1999	only	-	Feb	21	 0:00	0	-
+# Decree 3,150
+# (1999-08-23) adopted by same states.
+# Decree 3,188 (1999-09-30)
+# adds SE, AL, PB, PE, RN, CE, PI, MA and RR.
+Rule	Brazil	1999	only	-	Oct	 3	 0:00	1:00	S
+Rule	Brazil	2000	only	-	Feb	27	 0:00	0	-
+# Decree 3,592 (2000-09-06)
+# adopted by the same states as before.
+# Decree 3,630 (2000-10-13)
+# repeals DST in PE and RR, effective 2000-10-15 00:00.
+# Decree 3,632 (2000-10-17)
+# repeals DST in SE, AL, PB, RN, CE, PI and MA, effective 2000-10-22 00:00.
+# Decree 3,916
+# (2001-09-13) reestablishes DST in AL, CE, MA, PB, PE, PI, RN, SE.
+Rule	Brazil	2000	2001	-	Oct	Sun>=8	 0:00	1:00	S
+Rule	Brazil	2001	2006	-	Feb	Sun>=15	 0:00	0	-
+# Decree 4,399 (2002-10-01) repeals DST in AL, CE, MA, PB, PE, PI, RN, SE.
+# 
+Rule	Brazil	2002	only	-	Nov	 3	 0:00	1:00	S
+# Decree 4,844 (2003-09-24; corrected 2003-09-26) repeals DST in BA, MT, TO.
+# 
+Rule	Brazil	2003	only	-	Oct	19	 0:00	1:00	S
+# Decree 5,223 (2004-10-01) reestablishes DST in MT.
+# 
+Rule	Brazil	2004	only	-	Nov	 2	 0:00	1:00	S
+# Decree 5,539 (2005-09-19),
+# adopted by the same states as before.
+Rule	Brazil	2005	only	-	Oct	16	 0:00	1:00	S
+# Decree 5,920
+# (2006-10-03), adopted by the same states as before.
+Rule	Brazil	2006	max	-	Nov	Sun>=1	 0:00	1:00	S
+Rule	Brazil	2007	max	-	Feb	lastSun	 0:00	0	-
+# The latest ruleset listed above says that the following states observe DST:
+# DF, ES, GO, MG, MS, MT, PR, RJ, RS, SC, SP.
+# For dates after mid-2007, the above rules with TO="max" are guesses
+# and are quite possibly wrong, but are more likely than no DST at all.
+
+
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+#
+# Fernando de Noronha (administratively part of PE)
+Zone America/Noronha	-2:09:40 -	LMT	1914
+			-2:00	Brazil	FN%sT	1990 Sep 17
+			-2:00	-	FNT	1999 Sep 30
+			-2:00	Brazil	FN%sT	2000 Oct 15
+			-2:00	-	FNT	2001 Sep 13
+			-2:00	Brazil	FN%sT	2002 Oct  1
+			-2:00	-	FNT
+# Other Atlantic islands have no permanent settlement.
+# These include Trindade and Martin Vaz (administratively part of ES),
+# Atol das Rocas (RN), and Penedos de Sao Pedro e Sao Paulo (PE).
+# Fernando de Noronha was a separate territory from 1942-09-02 to 1989-01-01;
+# it also included the Penedos.
+#
+# Amapa (AP), east Para (PA)
+# East Para includes Belem, Maraba, Serra Norte, and Sao Felix do Xingu.
+# The division between east and west Para is the river Xingu.
+# In the north a very small part from the river Javary (now Jari I guess,
+# the border with Amapa) to the Amazon, then to the Xingu.
+Zone America/Belem	-3:13:56 -	LMT	1914
+			-3:00	Brazil	BR%sT	1988 Sep 12
+			-3:00	-	BRT
+#
+# Maranhao (MA), Piaui (PI), Ceara (CE), Rio Grande do Norte (RN),
+# Paraiba (PB)
+Zone America/Fortaleza	-2:34:00 -	LMT	1914
+			-3:00	Brazil	BR%sT	1990 Sep 17
+			-3:00	-	BRT	1999 Sep 30
+			-3:00	Brazil	BR%sT	2000 Oct 22
+			-3:00	-	BRT	2001 Sep 13
+			-3:00	Brazil	BR%sT	2002 Oct  1
+			-3:00	-	BRT
+#
+# Pernambuco (PE) (except Atlantic islands)
+Zone America/Recife	-2:19:36 -	LMT	1914
+			-3:00	Brazil	BR%sT	1990 Sep 17
+			-3:00	-	BRT	1999 Sep 30
+			-3:00	Brazil	BR%sT	2000 Oct 15
+			-3:00	-	BRT	2001 Sep 13
+			-3:00	Brazil	BR%sT	2002 Oct  1
+			-3:00	-	BRT
+#
+# Tocantins (TO)
+Zone America/Araguaina	-3:12:48 -	LMT	1914
+			-3:00	Brazil	BR%sT	1990 Sep 17
+			-3:00	-	BRT	1995 Sep 14
+			-3:00	Brazil	BR%sT	2003 Sep 24
+			-3:00	-	BRT
+#
+# Alagoas (AL), Sergipe (SE)
+Zone America/Maceio	-2:22:52 -	LMT	1914
+			-3:00	Brazil	BR%sT	1990 Sep 17
+			-3:00	-	BRT	1995 Oct 13
+			-3:00	Brazil	BR%sT	1996 Sep  4
+			-3:00	-	BRT	1999 Sep 30
+			-3:00	Brazil	BR%sT	2000 Oct 22
+			-3:00	-	BRT	2001 Sep 13
+			-3:00	Brazil	BR%sT	2002 Oct  1
+			-3:00	-	BRT
+#
+# Bahia (BA)
+# There are too many Salvadors elsewhere, so use America/Bahia instead
+# of America/Salvador.
+Zone America/Bahia	-2:34:04 -	LMT	1914
+			-3:00	Brazil	BR%sT	2003 Sep 24
+			-3:00	-	BRT
+#
+# Goias (GO), Distrito Federal (DF), Minas Gerais (MG),
+# Espirito Santo (ES), Rio de Janeiro (RJ), Sao Paulo (SP), Parana (PR),
+# Santa Catarina (SC), Rio Grande do Sul (RS)
+Zone America/Sao_Paulo	-3:06:28 -	LMT	1914
+			-3:00	Brazil	BR%sT	1963 Oct 23 00:00
+			-3:00	1:00	BRST	1964
+			-3:00	Brazil	BR%sT
+#
+# Mato Grosso do Sul (MS)
+Zone America/Campo_Grande -3:38:28 -	LMT	1914
+			-4:00	Brazil	AM%sT
+#
+# Mato Grosso (MT)
+Zone America/Cuiaba	-3:44:20 -	LMT	1914
+			-4:00	Brazil	AM%sT	2003 Sep 24
+			-4:00	-	AMT	2004 Oct  1
+			-4:00	Brazil	AM%sT
+#
+# west Para (PA), Rondonia (RO)
+# West Para includes Altamira, Oribidos, Prainha, Oriximina, and Santarem.
+Zone America/Porto_Velho -4:15:36 -	LMT	1914
+			-4:00	Brazil	AM%sT	1988 Sep 12
+			-4:00	-	AMT
+#
+# Roraima (RR)
+Zone America/Boa_Vista	-4:02:40 -	LMT	1914
+			-4:00	Brazil	AM%sT	1988 Sep 12
+			-4:00	-	AMT	1999 Sep 30
+			-4:00	Brazil	AM%sT	2000 Oct 15
+			-4:00	-	AMT
+#
+# east Amazonas (AM): Boca do Acre, Jutai, Manaus, Floriano Peixoto
+# The great circle line from Tabatinga to Porto Acre divides
+# east from west Amazonas.
+Zone America/Manaus	-4:00:04 -	LMT	1914
+			-4:00	Brazil	AM%sT	1988 Sep 12
+			-4:00	-	AMT	1993 Sep 28
+			-4:00	Brazil	AM%sT	1994 Sep 22
+			-4:00	-	AMT
+#
+# west Amazonas (AM): Atalaia do Norte, Boca do Maoco, Benjamin Constant,
+#	Eirunepe, Envira, Ipixuna
+Zone America/Eirunepe	-4:39:28 -	LMT	1914
+			-5:00	Brazil	AC%sT	1988 Sep 12
+			-5:00	-	ACT	1993 Sep 28
+			-5:00	Brazil	AC%sT	1994 Sep 22
+			-5:00	-	ACT
+#
+# Acre (AC)
+Zone America/Rio_Branco	-4:31:12 -	LMT	1914
+			-5:00	Brazil	AC%sT	1988 Sep 12
+			-5:00	-	ACT
+
+
+# Chile
+
+# From Eduardo Krell (1995-10-19):
+# The law says to switch to DST at midnight [24:00] on the second SATURDAY
+# of October....  The law is the same for March and October.
+# (1998-09-29):
+# Because of the drought this year, the government decided to go into
+# DST earlier (saturday 9/26 at 24:00). This is a one-time change only ...
+# (unless there's another dry season next year, I guess).
+
+# From Julio I. Pacheco Troncoso (1999-03-18):
+# Because of the same drought, the government decided to end DST later,
+# on April 3, (one-time change).
+
+# From Oscar van Vlijmen (2006-10-08):
+# http://www.horaoficial.cl/cambio.htm
+
+# From Jesper Norgaard Welen (2006-10-08):
+# I think that there are some obvious mistakes in the suggested link
+# from Oscar van Vlijmen,... for instance entry 66 says that GMT-4
+# ended 1990-09-12 while entry 67 only begins GMT-3 at 1990-09-15
+# (they should have been 1990-09-15 and 1990-09-16 respectively), but
+# anyhow it clears up some doubts too.
+
+# From Paul Eggert (2006-12-27):
+# The following data for Chile and America/Santiago are from
+#  (2006-09-20), transcribed by
+# Jesper Norgaard Welen.  The data for Pacific/Easter are from Shanks
+# & Pottenger, except with DST transitions after 1932 cloned from
+# America/Santiago.  The pre-1980 Pacific/Easter data are dubious,
+# but we have no other source.
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Chile	1927	1932	-	Sep	 1	0:00	1:00	S
+Rule	Chile	1928	1932	-	Apr	 1	0:00	0	-
+Rule	Chile	1942	only	-	Jun	 1	4:00u	0	-
+Rule	Chile	1942	only	-	Aug	 1	5:00u	1:00	S
+Rule	Chile	1946	only	-	Jul	15	4:00u	1:00	S
+Rule	Chile	1946	only	-	Sep	 1	3:00u	0:00	-
+Rule	Chile	1947	only	-	Apr	 1	4:00u	0	-
+Rule	Chile	1968	only	-	Nov	 3	4:00u	1:00	S
+Rule	Chile	1969	only	-	Mar	30	3:00u	0	-
+Rule	Chile	1969	only	-	Nov	23	4:00u	1:00	S
+Rule	Chile	1970	only	-	Mar	29	3:00u	0	-
+Rule	Chile	1971	only	-	Mar	14	3:00u	0	-
+Rule	Chile	1970	1972	-	Oct	Sun>=9	4:00u	1:00	S
+Rule	Chile	1972	1986	-	Mar	Sun>=9	3:00u	0	-
+Rule	Chile	1973	only	-	Sep	30	4:00u	1:00	S
+Rule	Chile	1974	1987	-	Oct	Sun>=9	4:00u	1:00	S
+Rule	Chile	1987	only	-	Apr	12	3:00u	0	-
+Rule	Chile	1988	1989	-	Mar	Sun>=9	3:00u	0	-
+Rule	Chile	1988	only	-	Oct	Sun>=1	4:00u	1:00	S
+Rule	Chile	1989	only	-	Oct	Sun>=9	4:00u	1:00	S
+Rule	Chile	1990	only	-	Mar	18	3:00u	0	-
+Rule	Chile	1990	only	-	Sep	16	4:00u	1:00	S
+Rule	Chile	1991	1996	-	Mar	Sun>=9	3:00u	0	-
+Rule	Chile	1991	1997	-	Oct	Sun>=9	4:00u	1:00	S
+Rule	Chile	1997	only	-	Mar	30	3:00u	0	-
+Rule	Chile	1998	only	-	Mar	Sun>=9	3:00u	0	-
+Rule	Chile	1998	only	-	Sep	27	4:00u	1:00	S
+Rule	Chile	1999	only	-	Apr	 4	3:00u	0	-
+Rule	Chile	1999	max	-	Oct	Sun>=9	4:00u	1:00	S
+Rule	Chile	2000	max	-	Mar	Sun>=9	3:00u	0	-
+# IATA SSIM anomalies: (1992-02) says 1992-03-14;
+# (1996-09) says 1998-03-08.  Ignore these.
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Santiago	-4:42:46 -	LMT	1890
+			-4:42:46 -	SMT	1910 	    # Santiago Mean Time
+			-5:00	-	CLT	1916 Jul  1 # Chile Time
+			-4:42:46 -	SMT	1918 Sep  1 # Santiago Mean Time
+			-4:00	-	CLT	1919 Jul  1 # Chile Time
+			-4:42:46 -	SMT	1927 Sep  1 # Santiago Mean Time
+			-5:00	Chile	CL%sT	1947 May 22 # Chile Time
+			-4:00	Chile	CL%sT
+Zone Pacific/Easter	-7:17:44 -	LMT	1890
+			-7:17:28 -	EMT	1932 Sep    # Easter Mean Time
+			-7:00	Chile	EAS%sT	1982 Mar 13 21:00 # Easter I Time
+			-6:00	Chile	EAS%sT
+#
+# Sala y Gomez Island is like Pacific/Easter.
+# Other Chilean locations, including Juan Fernandez Is, San Ambrosio,
+# San Felix, and Antarctic bases, are like America/Santiago.
+
+# Colombia
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	CO	1992	only	-	May	 3	0:00	1:00	S
+Rule	CO	1993	only	-	Apr	 4	0:00	0	-
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	America/Bogota	-4:56:20 -	LMT	1884 Mar 13
+			-4:56:20 -	BMT	1914 Nov 23 # Bogota Mean Time
+			-5:00	CO	CO%sT	# Colombia Time
+# Malpelo, Providencia, San Andres
+# no information; probably like America/Bogota
+
+# Curacao
+#
+# From Paul Eggert (2006-03-22):
+# Shanks & Pottenger say that The Bottom and Philipsburg have been at
+# -4:00 since standard time was introduced on 1912-03-02; and that
+# Kralendijk and Rincon used Kralendijk Mean Time (-4:33:08) from
+# 1912-02-02 to 1965-01-01.  The former is dubious, since S&P also say
+# Saba Island has been like Curacao.
+# This all predates our 1970 cutoff, though.
+#
+# By July 2007 Curacao and St Maarten are planned to become
+# associated states within the Netherlands, much like Aruba;
+# Bonaire, Saba and St Eustatius would become directly part of the
+# Netherlands as Kingdom Islands.  This won't affect their time zones
+# though, as far as we know.
+#
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	America/Curacao	-4:35:44 -	LMT	1912 Feb 12	# Willemstad
+			-4:30	-	ANT	1965 # Netherlands Antilles Time
+			-4:00	-	AST
+
+# Ecuador
+#
+# From Paul Eggert (2007-03-04):
+# Apparently Ecuador had a failed experiment with DST in 1992.
+#  (2007-02-27) and
+#  (2006-11-06) both
+# talk about "hora Sixto".  Leave this alone for now, as we have no data.
+#
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Guayaquil	-5:19:20 -	LMT	1890
+			-5:14:00 -	QMT	1931 # Quito Mean Time
+			-5:00	-	ECT	     # Ecuador Time
+Zone Pacific/Galapagos	-5:58:24 -	LMT	1931 # Puerto Baquerizo Moreno
+			-5:00	-	ECT	1986
+			-6:00	-	GALT	     # Galapagos Time
+
+# Falklands
+
+# From Paul Eggert (2006-03-22):
+# Between 1990 and 2000 inclusive, Shanks & Pottenger and the IATA agree except
+# the IATA gives 1996-09-08.  Go with Shanks & Pottenger.
+
+# From Falkland Islands Government Office, London (2001-01-22)
+# via Jesper Norgaard:
+# ... the clocks revert back to Local Mean Time at 2 am on Sunday 15
+# April 2001 and advance one hour to summer time at 2 am on Sunday 2
+# September.  It is anticipated that the clocks will revert back at 2
+# am on Sunday 21 April 2002 and advance to summer time at 2 am on
+# Sunday 1 September.
+
+# From Rives McDow (2001-02-13):
+#
+# I have communicated several times with people there, and the last
+# time I had communications that was helpful was in 1998.  Here is
+# what was said then:
+#
+# "The general rule was that Stanley used daylight saving and the Camp
+# did not. However for various reasons many people in the Camp have
+# started to use daylight saving (known locally as 'Stanley Time')
+# There is no rule as to who uses daylight saving - it is a matter of
+# personal choice and so it is impossible to draw a map showing who
+# uses it and who does not. Any list would be out of date as soon as
+# it was produced. This year daylight saving ended on April 18/19th
+# and started again on September 12/13th.  I do not know what the rule
+# is, but can find out if you like.  We do not change at the same time
+# as UK or Chile."
+#
+# I did have in my notes that the rule was "Second Saturday in Sep at
+# 0:00 until third Saturday in Apr at 0:00".  I think that this does
+# not agree in some cases with Shanks; is this true?
+#
+# Also, there is no mention in the list that some areas in the
+# Falklands do not use DST.  I have found in my communications there
+# that these areas are on the western half of East Falkland and all of
+# West Falkland.  Stanley is the only place that consistently observes
+# DST.  Again, as in other places in the world, the farmers don't like
+# it.  West Falkland is almost entirely sheep farmers.
+#
+# I know one lady there that keeps a list of which farm keeps DST and
+# which doesn't each year.  She runs a shop in Stanley, and says that
+# the list changes each year.  She uses it to communicate to her
+# customers, catching them when they are home for lunch or dinner.
+
+# From Paul Eggert (2001-03-05):
+# For now, we'll just record the time in Stanley, since we have no
+# better info.
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Falk	1937	1938	-	Sep	lastSun	0:00	1:00	S
+Rule	Falk	1938	1942	-	Mar	Sun>=19	0:00	0	-
+Rule	Falk	1939	only	-	Oct	1	0:00	1:00	S
+Rule	Falk	1940	1942	-	Sep	lastSun	0:00	1:00	S
+Rule	Falk	1943	only	-	Jan	1	0:00	0	-
+Rule	Falk	1983	only	-	Sep	lastSun	0:00	1:00	S
+Rule	Falk	1984	1985	-	Apr	lastSun	0:00	0	-
+Rule	Falk	1984	only	-	Sep	16	0:00	1:00	S
+Rule	Falk	1985	2000	-	Sep	Sun>=9	0:00	1:00	S
+Rule	Falk	1986	2000	-	Apr	Sun>=16	0:00	0	-
+Rule	Falk	2001	max	-	Apr	Sun>=15	2:00	0	-
+Rule	Falk	2001	max	-	Sep	Sun>=1	2:00	1:00	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Atlantic/Stanley	-3:51:24 -	LMT	1890
+			-3:51:24 -	SMT	1912 Mar 12  # Stanley Mean Time
+			-4:00	Falk	FK%sT	1983 May     # Falkland Is Time
+			-3:00	Falk	FK%sT	1985 Sep 15
+			-4:00	Falk	FK%sT
+
+# French Guiana
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Cayenne	-3:29:20 -	LMT	1911 Jul
+			-4:00	-	GFT	1967 Oct # French Guiana Time
+			-3:00	-	GFT
+
+# Guyana
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	America/Guyana	-3:52:40 -	LMT	1915 Mar	# Georgetown
+			-3:45	-	GBGT	1966 May 26 # Br Guiana Time
+			-3:45	-	GYT	1975 Jul 31 # Guyana Time
+			-3:00	-	GYT	1991
+# IATA SSIM (1996-06) says -4:00.  Assume a 1991 switch.
+			-4:00	-	GYT
+
+# Paraguay
+# From Paul Eggert (2006-03-22):
+# Shanks & Pottenger say that spring transitions are from 01:00 -> 02:00,
+# and autumn transitions are from 00:00 -> 23:00.  Go with pre-1999
+# editions of Shanks, and with the IATA, who say transitions occur at 00:00.
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Para	1975	1988	-	Oct	 1	0:00	1:00	S
+Rule	Para	1975	1978	-	Mar	 1	0:00	0	-
+Rule	Para	1979	1991	-	Apr	 1	0:00	0	-
+Rule	Para	1989	only	-	Oct	22	0:00	1:00	S
+Rule	Para	1990	only	-	Oct	 1	0:00	1:00	S
+Rule	Para	1991	only	-	Oct	 6	0:00	1:00	S
+Rule	Para	1992	only	-	Mar	 1	0:00	0	-
+Rule	Para	1992	only	-	Oct	 5	0:00	1:00	S
+Rule	Para	1993	only	-	Mar	31	0:00	0	-
+Rule	Para	1993	1995	-	Oct	 1	0:00	1:00	S
+Rule	Para	1994	1995	-	Feb	lastSun	0:00	0	-
+Rule	Para	1996	only	-	Mar	 1	0:00	0	-
+# IATA SSIM (2000-02) says 1999-10-10; ignore this for now.
+# From Steffen Thorsen (2000-10-02):
+# I have three independent reports that Paraguay changed to DST this Sunday
+# (10-01).
+#
+# Translated by Gwillim Law (2001-02-27) from
+# 
+# Noticias, a daily paper in Asuncion, Paraguay (2000-10-01)
+# :
+# Starting at 0:00 today, the clock will be set forward 60 minutes, in
+# fulfillment of Decree No. 7,273 of the Executive Power....  The time change
+# system has been operating for several years.  Formerly there was a separate
+# decree each year; the new law has the same effect, but permanently.  Every
+# year, the time will change on the first Sunday of October; likewise, the
+# clock will be set back on the first Sunday of March.
+#
+Rule	Para	1996	2001	-	Oct	Sun>=1	0:00	1:00	S
+# IATA SSIM (1997-09) says Mar 1; go with Shanks & Pottenger.
+Rule	Para	1997	only	-	Feb	lastSun	0:00	0	-
+# Shanks & Pottenger say 1999-02-28; IATA SSIM (1999-02) says 1999-02-27, but
+# (1999-09) reports no date; go with above sources and Gerd Knops (2001-02-27).
+Rule	Para	1998	2001	-	Mar	Sun>=1	0:00	0	-
+# From Rives McDow (2002-02-28):
+# A decree was issued in Paraguay (no. 16350) on 2002-02-26 that changed the
+# dst method to be from the first Sunday in September to the first Sunday in
+# April.
+Rule	Para	2002	2004	-	Apr	Sun>=1	0:00	0	-
+Rule	Para	2002	2003	-	Sep	Sun>=1	0:00	1:00	S
+#
+# From Jesper Norgaard Welen (2005-01-02):
+# There are several sources that claim that Paraguay made
+# a timezone rule change in autumn 2004.
+# From Steffen Thorsen (2005-01-05):
+# Decree 1,867 (2004-03-05)
+# From Carlos Raul Perasso via Jesper Norgaard Welen (2006-10-13)
+# 
+Rule	Para	2004	max	-	Oct	Sun>=15	0:00	1:00	S
+Rule	Para	2005	max	-	Mar	Sun>=8	0:00	0	-
+
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Asuncion	-3:50:40 -	LMT	1890
+			-3:50:40 -	AMT	1931 Oct 10 # Asuncion Mean Time
+			-4:00	-	PYT	1972 Oct # Paraguay Time
+			-3:00	-	PYT	1974 Apr
+			-4:00	Para	PY%sT
+
+# Peru
+#
+# 
+# From Evelyn C. Leeper via Mark Brader (2003-10-26):
+# When we were in Peru in 1985-1986, they apparently switched over
+# sometime between December 29 and January 3 while we were on the Amazon.
+#
+# From Paul Eggert (2006-03-22):
+# Shanks & Pottenger don't have this transition.  Assume 1986 was like 1987.
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Peru	1938	only	-	Jan	 1	0:00	1:00	S
+Rule	Peru	1938	only	-	Apr	 1	0:00	0	-
+Rule	Peru	1938	1939	-	Sep	lastSun	0:00	1:00	S
+Rule	Peru	1939	1940	-	Mar	Sun>=24	0:00	0	-
+Rule	Peru	1986	1987	-	Jan	 1	0:00	1:00	S
+Rule	Peru	1986	1987	-	Apr	 1	0:00	0	-
+Rule	Peru	1990	only	-	Jan	 1	0:00	1:00	S
+Rule	Peru	1990	only	-	Apr	 1	0:00	0	-
+# IATA is ambiguous for 1993/1995; go with Shanks & Pottenger.
+Rule	Peru	1994	only	-	Jan	 1	0:00	1:00	S
+Rule	Peru	1994	only	-	Apr	 1	0:00	0	-
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	America/Lima	-5:08:12 -	LMT	1890
+			-5:08:36 -	LMT	1908 Jul 28 # Lima Mean Time?
+			-5:00	Peru	PE%sT	# Peru Time
+
+# South Georgia
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone Atlantic/South_Georgia -2:26:08 -	LMT	1890		# Grytviken
+			-2:00	-	GST	# South Georgia Time
+
+# South Sandwich Is
+# uninhabited; scientific personnel have wintered
+
+# Suriname
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Paramaribo	-3:40:40 -	LMT	1911
+			-3:40:52 -	PMT	1935     # Paramaribo Mean Time
+			-3:40:36 -	PMT	1945 Oct # The capital moved?
+			-3:30	-	NEGT	1975 Nov 20 # Dutch Guiana Time
+			-3:30	-	SRT	1984 Oct # Suriname Time
+			-3:00	-	SRT
+
+# Trinidad and Tobago
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Port_of_Spain -4:06:04 -	LMT	1912 Mar 2
+			-4:00	-	AST
+
+# Uruguay
+# From Paul Eggert (1993-11-18):
+# Uruguay wins the prize for the strangest peacetime manipulation of the rules.
+# From Shanks & Pottenger:
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Whitman gives 1923 Oct 1; go with Shanks & Pottenger.
+Rule	Uruguay	1923	only	-	Oct	 2	 0:00	0:30	HS
+Rule	Uruguay	1924	1926	-	Apr	 1	 0:00	0	-
+Rule	Uruguay	1924	1925	-	Oct	 1	 0:00	0:30	HS
+Rule	Uruguay	1933	1935	-	Oct	lastSun	 0:00	0:30	HS
+# Shanks & Pottenger give 1935 Apr 1 0:00 & 1936 Mar 30 0:00; go with Whitman.
+Rule	Uruguay	1934	1936	-	Mar	Sat>=25	23:30s	0	-
+Rule	Uruguay	1936	only	-	Nov	 1	 0:00	0:30	HS
+Rule	Uruguay	1937	1941	-	Mar	lastSun	 0:00	0	-
+# Whitman gives 1937 Oct 3; go with Shanks & Pottenger.
+Rule	Uruguay	1937	1940	-	Oct	lastSun	 0:00	0:30	HS
+# Whitman gives 1941 Oct 24 - 1942 Mar 27, 1942 Dec 14 - 1943 Apr 13,
+# and 1943 Apr 13 ``to present time''; go with Shanks & Pottenger.
+Rule	Uruguay	1941	only	-	Aug	 1	 0:00	0:30	HS
+Rule	Uruguay	1942	only	-	Jan	 1	 0:00	0	-
+Rule	Uruguay	1942	only	-	Dec	14	 0:00	1:00	S
+Rule	Uruguay	1943	only	-	Mar	14	 0:00	0	-
+Rule	Uruguay	1959	only	-	May	24	 0:00	1:00	S
+Rule	Uruguay	1959	only	-	Nov	15	 0:00	0	-
+Rule	Uruguay	1960	only	-	Jan	17	 0:00	1:00	S
+Rule	Uruguay	1960	only	-	Mar	 6	 0:00	0	-
+Rule	Uruguay	1965	1967	-	Apr	Sun>=1	 0:00	1:00	S
+Rule	Uruguay	1965	only	-	Sep	26	 0:00	0	-
+Rule	Uruguay	1966	1967	-	Oct	31	 0:00	0	-
+Rule	Uruguay	1968	1970	-	May	27	 0:00	0:30	HS
+Rule	Uruguay	1968	1970	-	Dec	 2	 0:00	0	-
+Rule	Uruguay	1972	only	-	Apr	24	 0:00	1:00	S
+Rule	Uruguay	1972	only	-	Aug	15	 0:00	0	-
+Rule	Uruguay	1974	only	-	Mar	10	 0:00	0:30	HS
+Rule	Uruguay	1974	only	-	Dec	22	 0:00	1:00	S
+Rule	Uruguay	1976	only	-	Oct	 1	 0:00	0	-
+Rule	Uruguay	1977	only	-	Dec	 4	 0:00	1:00	S
+Rule	Uruguay	1978	only	-	Apr	 1	 0:00	0	-
+Rule	Uruguay	1979	only	-	Oct	 1	 0:00	1:00	S
+Rule	Uruguay	1980	only	-	May	 1	 0:00	0	-
+Rule	Uruguay	1987	only	-	Dec	14	 0:00	1:00	S
+Rule	Uruguay	1988	only	-	Mar	14	 0:00	0	-
+Rule	Uruguay	1988	only	-	Dec	11	 0:00	1:00	S
+Rule	Uruguay	1989	only	-	Mar	12	 0:00	0	-
+Rule	Uruguay	1989	only	-	Oct	29	 0:00	1:00	S
+# Shanks & Pottenger say no DST was observed in 1990/1 and 1991/2,
+# and that 1992/3's DST was from 10-25 to 03-01.  Go with IATA.
+Rule	Uruguay	1990	1992	-	Mar	Sun>=1	 0:00	0	-
+Rule	Uruguay	1990	1991	-	Oct	Sun>=21	 0:00	1:00	S
+Rule	Uruguay	1992	only	-	Oct	18	 0:00	1:00	S
+Rule	Uruguay	1993	only	-	Feb	28	 0:00	0	-
+# From Eduardo Cota (2004-09-20):
+# The uruguayan government has decreed a change in the local time....
+# http://www.presidencia.gub.uy/decretos/2004091502.htm
+Rule	Uruguay	2004	only	-	Sep	19	 0:00	1:00	S
+# From Steffen Thorsen (2005-03-11):
+# Uruguay's DST was scheduled to end on Sunday, 2005-03-13, but in order to
+# save energy ... it was postponed two weeks....
+# http://www.presidencia.gub.uy/_Web/noticias/2005/03/2005031005.htm
+Rule	Uruguay	2005	only	-	Mar	27	 2:00	0	-
+# From Eduardo Cota (2005-09-27):
+# http://www.presidencia.gub.uy/_Web/decretos/2005/09/CM%20119_09%2009%202005_00001.PDF
+# This means that from 2005-10-09 at 02:00 local time, until 2006-03-12 at
+# 02:00 local time, official time in Uruguay will be at GMT -2.
+Rule	Uruguay	2005	only	-	Oct	 9	 2:00	1:00	S
+Rule	Uruguay	2006	only	-	Mar	12	 2:00	0	-
+# From Jesper Norgaard Welen (2006-09-06):
+# http://www.presidencia.gub.uy/_web/decretos/2006/09/CM%20210_08%2006%202006_00001.PDF
+Rule	Uruguay	2006	max	-	Oct	Sun>=1	 2:00	1:00	S
+Rule	Uruguay	2007	max	-	Mar	Sun>=8	 2:00	0	-
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Montevideo	-3:44:44 -	LMT	1898 Jun 28
+			-3:44:44 -	MMT	1920 May  1	# Montevideo MT
+			-3:30	Uruguay	UY%sT	1942 Dec 14	# Uruguay Time
+			-3:00	Uruguay	UY%sT
+
+# Venezuela
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone	America/Caracas	-4:27:44 -	LMT	1890
+			-4:27:40 -	CMT	1912 Feb 12 # Caracas Mean Time?
+			-4:30	-	VET	1965	     # Venezuela Time
+			-4:00	-	VET
diff --git a/commands/zoneinfo/strftime.c b/commands/zoneinfo/strftime.c
new file mode 100644
index 000000000..af328ce54
--- /dev/null
+++ b/commands/zoneinfo/strftime.c
@@ -0,0 +1,761 @@
+#ifndef lint
+#ifndef NOID
+static char	elsieid[] = "@(#)strftime.c	7.75";
+/*
+** Based on the UCB version with the ID appearing below.
+** This is ANSIish only when "multibyte character == plain character".
+*/
+#endif /* !defined NOID */
+#endif /* !defined lint */
+
+#include "private.h"
+
+/*
+** Copyright (c) 1989 The Regents of the University of California.
+** All rights reserved.
+**
+** Redistribution and use in source and binary forms are permitted
+** provided that the above copyright notice and this paragraph are
+** duplicated in all such forms and that any documentation,
+** advertising materials, and other materials related to such
+** distribution and use acknowledge that the software was developed
+** by the University of California, Berkeley. The name of the
+** University may not be used to endorse or promote products derived
+** from this software without specific prior written permission.
+** THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+** IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+** WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+*/
+
+#ifndef LIBC_SCCS
+#ifndef lint
+static const char	sccsid[] = "@(#)strftime.c	5.4 (Berkeley) 3/14/89";
+#endif /* !defined lint */
+#endif /* !defined LIBC_SCCS */
+
+#include "tzfile.h"
+#include "fcntl.h"
+#include "locale.h"
+
+struct lc_time_T {
+	const char *	mon[MONSPERYEAR];
+	const char *	month[MONSPERYEAR];
+	const char *	wday[DAYSPERWEEK];
+	const char *	weekday[DAYSPERWEEK];
+	const char *	X_fmt;
+	const char *	x_fmt;
+	const char *	c_fmt;
+	const char *	am;
+	const char *	pm;
+	const char *	date_fmt;
+};
+
+#ifdef LOCALE_HOME
+#include "sys/stat.h"
+static struct lc_time_T		localebuf;
+static struct lc_time_T *	_loc P((void));
+#define Locale	_loc()
+#endif /* defined LOCALE_HOME */
+#ifndef LOCALE_HOME
+#define Locale	(&C_time_locale)
+#endif /* !defined LOCALE_HOME */
+
+static const struct lc_time_T	C_time_locale = {
+	{
+		"Jan", "Feb", "Mar", "Apr", "May", "Jun",
+		"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
+	}, {
+		"January", "February", "March", "April", "May", "June",
+		"July", "August", "September", "October", "November", "December"
+	}, {
+		"Sun", "Mon", "Tue", "Wed",
+		"Thu", "Fri", "Sat"
+	}, {
+		"Sunday", "Monday", "Tuesday", "Wednesday",
+		"Thursday", "Friday", "Saturday"
+	},
+
+	/* X_fmt */
+	"%H:%M:%S",
+
+	/*
+	** x_fmt
+	** C99 requires this format.
+	** Using just numbers (as here) makes Quakers happier;
+	** it's also compatible with SVR4.
+	*/
+	"%m/%d/%y",
+
+	/*
+	** c_fmt
+	** C99 requires this format.
+	** Previously this code used "%D %X", but we now conform to C99.
+	** Note that
+	**	"%a %b %d %H:%M:%S %Y"
+	** is used by Solaris 2.3.
+	*/
+	"%a %b %e %T %Y",
+
+	/* am */
+	"AM",
+
+	/* pm */
+	"PM",
+
+	/* date_fmt */
+	"%a %b %e %H:%M:%S %Z %Y"
+};
+
+static char *	_add P((const char *, char *, const char *));
+static char *	_conv P((int, const char *, char *, const char *));
+static char *	_fmt P((const char *, const struct tm *, char *, const char *,
+			int *));
+static char *	_yconv P((int, int, int, int, char *, const char *));
+
+extern char *	tzname[];
+
+#ifndef YEAR_2000_NAME
+#define YEAR_2000_NAME	"CHECK_STRFTIME_FORMATS_FOR_TWO_DIGIT_YEARS"
+#endif /* !defined YEAR_2000_NAME */
+
+#define IN_NONE	0
+#define IN_SOME	1
+#define IN_THIS	2
+#define IN_ALL	3
+
+size_t
+strftime(s, maxsize, format, t)
+char * const		s;
+const size_t		maxsize;
+const char * const	format;
+const struct tm * const	t;
+{
+	char *	p;
+	int	warn;
+
+	tzset();
+#ifdef LOCALE_HOME
+	localebuf.mon[0] = 0;
+#endif /* defined LOCALE_HOME */
+	warn = IN_NONE;
+	p = _fmt(((format == NULL) ? "%c" : format), t, s, s + maxsize, &warn);
+#ifndef NO_RUN_TIME_WARNINGS_ABOUT_YEAR_2000_PROBLEMS_THANK_YOU
+	if (warn != IN_NONE && getenv(YEAR_2000_NAME) != NULL) {
+		(void) fprintf(stderr, "\n");
+		if (format == NULL)
+			(void) fprintf(stderr, "NULL strftime format ");
+		else	(void) fprintf(stderr, "strftime format \"%s\" ",
+				format);
+		(void) fprintf(stderr, "yields only two digits of years in ");
+		if (warn == IN_SOME)
+			(void) fprintf(stderr, "some locales");
+		else if (warn == IN_THIS)
+			(void) fprintf(stderr, "the current locale");
+		else	(void) fprintf(stderr, "all locales");
+		(void) fprintf(stderr, "\n");
+	}
+#endif /* !defined NO_RUN_TIME_WARNINGS_ABOUT_YEAR_2000_PROBLEMS_THANK_YOU */
+	if (p == s + maxsize)
+		return 0;
+	*p = '\0';
+	return p - s;
+}
+
+static char *
+_fmt(format, t, pt, ptlim, warnp)
+const char *		format;
+const struct tm * const	t;
+char *			pt;
+const char * const	ptlim;
+int *			warnp;
+{
+	for ( ; *format; ++format) {
+		if (*format == '%') {
+label:
+			switch (*++format) {
+			case '\0':
+				--format;
+				break;
+			case 'A':
+				pt = _add((t->tm_wday < 0 ||
+					t->tm_wday >= DAYSPERWEEK) ?
+					"?" : Locale->weekday[t->tm_wday],
+					pt, ptlim);
+				continue;
+			case 'a':
+				pt = _add((t->tm_wday < 0 ||
+					t->tm_wday >= DAYSPERWEEK) ?
+					"?" : Locale->wday[t->tm_wday],
+					pt, ptlim);
+				continue;
+			case 'B':
+				pt = _add((t->tm_mon < 0 ||
+					t->tm_mon >= MONSPERYEAR) ?
+					"?" : Locale->month[t->tm_mon],
+					pt, ptlim);
+				continue;
+			case 'b':
+			case 'h':
+				pt = _add((t->tm_mon < 0 ||
+					t->tm_mon >= MONSPERYEAR) ?
+					"?" : Locale->mon[t->tm_mon],
+					pt, ptlim);
+				continue;
+			case 'C':
+				/*
+				** %C used to do a...
+				**	_fmt("%a %b %e %X %Y", t);
+				** ...whereas now POSIX 1003.2 calls for
+				** something completely different.
+				** (ado, 1993-05-24)
+				*/
+				pt = _yconv(t->tm_year, TM_YEAR_BASE, 1, 0,
+					pt, ptlim);
+				continue;
+			case 'c':
+				{
+				int warn2 = IN_SOME;
+
+				pt = _fmt(Locale->c_fmt, t, pt, ptlim, warnp);
+				if (warn2 == IN_ALL)
+					warn2 = IN_THIS;
+				if (warn2 > *warnp)
+					*warnp = warn2;
+				}
+				continue;
+			case 'D':
+				pt = _fmt("%m/%d/%y", t, pt, ptlim, warnp);
+				continue;
+			case 'd':
+				pt = _conv(t->tm_mday, "%02d", pt, ptlim);
+				continue;
+			case 'E':
+			case 'O':
+				/*
+				** C99 locale modifiers.
+				** The sequences
+				**	%Ec %EC %Ex %EX %Ey %EY
+				**	%Od %oe %OH %OI %Om %OM
+				**	%OS %Ou %OU %OV %Ow %OW %Oy
+				** are supposed to provide alternate
+				** representations.
+				*/
+				goto label;
+			case 'e':
+				pt = _conv(t->tm_mday, "%2d", pt, ptlim);
+				continue;
+			case 'F':
+				pt = _fmt("%Y-%m-%d", t, pt, ptlim, warnp);
+				continue;
+			case 'H':
+				pt = _conv(t->tm_hour, "%02d", pt, ptlim);
+				continue;
+			case 'I':
+				pt = _conv((t->tm_hour % 12) ?
+					(t->tm_hour % 12) : 12,
+					"%02d", pt, ptlim);
+				continue;
+			case 'j':
+				pt = _conv(t->tm_yday + 1, "%03d", pt, ptlim);
+				continue;
+			case 'k':
+				/*
+				** This used to be...
+				**	_conv(t->tm_hour % 12 ?
+				**		t->tm_hour % 12 : 12, 2, ' ');
+				** ...and has been changed to the below to
+				** match SunOS 4.1.1 and Arnold Robbins'
+				** strftime version 3.0. That is, "%k" and
+				** "%l" have been swapped.
+				** (ado, 1993-05-24)
+				*/
+				pt = _conv(t->tm_hour, "%2d", pt, ptlim);
+				continue;
+#ifdef KITCHEN_SINK
+			case 'K':
+				/*
+				** After all this time, still unclaimed!
+				*/
+				pt = _add("kitchen sink", pt, ptlim);
+				continue;
+#endif /* defined KITCHEN_SINK */
+			case 'l':
+				/*
+				** This used to be...
+				**	_conv(t->tm_hour, 2, ' ');
+				** ...and has been changed to the below to
+				** match SunOS 4.1.1 and Arnold Robbin's
+				** strftime version 3.0. That is, "%k" and
+				** "%l" have been swapped.
+				** (ado, 1993-05-24)
+				*/
+				pt = _conv((t->tm_hour % 12) ?
+					(t->tm_hour % 12) : 12,
+					"%2d", pt, ptlim);
+				continue;
+			case 'M':
+				pt = _conv(t->tm_min, "%02d", pt, ptlim);
+				continue;
+			case 'm':
+				pt = _conv(t->tm_mon + 1, "%02d", pt, ptlim);
+				continue;
+			case 'n':
+				pt = _add("\n", pt, ptlim);
+				continue;
+			case 'p':
+				pt = _add((t->tm_hour >= (HOURSPERDAY / 2)) ?
+					Locale->pm :
+					Locale->am,
+					pt, ptlim);
+				continue;
+			case 'R':
+				pt = _fmt("%H:%M", t, pt, ptlim, warnp);
+				continue;
+			case 'r':
+				pt = _fmt("%I:%M:%S %p", t, pt, ptlim, warnp);
+				continue;
+			case 'S':
+				pt = _conv(t->tm_sec, "%02d", pt, ptlim);
+				continue;
+			case 's':
+				{
+					struct tm	tm;
+					char		buf[INT_STRLEN_MAXIMUM(
+								time_t) + 1];
+					time_t		mkt;
+
+					tm = *t;
+					mkt = mktime(&tm);
+					if (TYPE_SIGNED(time_t))
+						(void) sprintf(buf, "%ld",
+							(long) mkt);
+					else	(void) sprintf(buf, "%lu",
+							(unsigned long) mkt);
+					pt = _add(buf, pt, ptlim);
+				}
+				continue;
+			case 'T':
+				pt = _fmt("%H:%M:%S", t, pt, ptlim, warnp);
+				continue;
+			case 't':
+				pt = _add("\t", pt, ptlim);
+				continue;
+			case 'U':
+				pt = _conv((t->tm_yday + DAYSPERWEEK -
+					t->tm_wday) / DAYSPERWEEK,
+					"%02d", pt, ptlim);
+				continue;
+			case 'u':
+				/*
+				** From Arnold Robbins' strftime version 3.0:
+				** "ISO 8601: Weekday as a decimal number
+				** [1 (Monday) - 7]"
+				** (ado, 1993-05-24)
+				*/
+				pt = _conv((t->tm_wday == 0) ?
+					DAYSPERWEEK : t->tm_wday,
+					"%d", pt, ptlim);
+				continue;
+			case 'V':	/* ISO 8601 week number */
+			case 'G':	/* ISO 8601 year (four digits) */
+			case 'g':	/* ISO 8601 year (two digits) */
+/*
+** From Arnold Robbins' strftime version 3.0: "the week number of the
+** year (the first Monday as the first day of week 1) as a decimal number
+** (01-53)."
+** (ado, 1993-05-24)
+**
+** From "http://www.ft.uni-erlangen.de/~mskuhn/iso-time.html" by Markus Kuhn:
+** "Week 01 of a year is per definition the first week which has the
+** Thursday in this year, which is equivalent to the week which contains
+** the fourth day of January. In other words, the first week of a new year
+** is the week which has the majority of its days in the new year. Week 01
+** might also contain days from the previous year and the week before week
+** 01 of a year is the last week (52 or 53) of the previous year even if
+** it contains days from the new year. A week starts with Monday (day 1)
+** and ends with Sunday (day 7). For example, the first week of the year
+** 1997 lasts from 1996-12-30 to 1997-01-05..."
+** (ado, 1996-01-02)
+*/
+				{
+					int	year;
+					int	base;
+					int	yday;
+					int	wday;
+					int	w;
+
+					year = t->tm_year;
+					base = TM_YEAR_BASE;
+					yday = t->tm_yday;
+					wday = t->tm_wday;
+					for ( ; ; ) {
+						int	len;
+						int	bot;
+						int	top;
+
+						len = isleap_sum(year, base) ?
+							DAYSPERLYEAR :
+							DAYSPERNYEAR;
+						/*
+						** What yday (-3 ... 3) does
+						** the ISO year begin on?
+						*/
+						bot = ((yday + 11 - wday) %
+							DAYSPERWEEK) - 3;
+						/*
+						** What yday does the NEXT
+						** ISO year begin on?
+						*/
+						top = bot -
+							(len % DAYSPERWEEK);
+						if (top < -3)
+							top += DAYSPERWEEK;
+						top += len;
+						if (yday >= top) {
+							++base;
+							w = 1;
+							break;
+						}
+						if (yday >= bot) {
+							w = 1 + ((yday - bot) /
+								DAYSPERWEEK);
+							break;
+						}
+						--base;
+						yday += isleap_sum(year, base) ?
+							DAYSPERLYEAR :
+							DAYSPERNYEAR;
+					}
+#ifdef XPG4_1994_04_09
+					if ((w == 52 &&
+						t->tm_mon == TM_JANUARY) ||
+						(w == 1 &&
+						t->tm_mon == TM_DECEMBER))
+							w = 53;
+#endif /* defined XPG4_1994_04_09 */
+					if (*format == 'V')
+						pt = _conv(w, "%02d",
+							pt, ptlim);
+					else if (*format == 'g') {
+						*warnp = IN_ALL;
+						pt = _yconv(year, base, 0, 1,
+							pt, ptlim);
+					} else	pt = _yconv(year, base, 1, 1,
+							pt, ptlim);
+				}
+				continue;
+			case 'v':
+				/*
+				** From Arnold Robbins' strftime version 3.0:
+				** "date as dd-bbb-YYYY"
+				** (ado, 1993-05-24)
+				*/
+				pt = _fmt("%e-%b-%Y", t, pt, ptlim, warnp);
+				continue;
+			case 'W':
+				pt = _conv((t->tm_yday + DAYSPERWEEK -
+					(t->tm_wday ?
+					(t->tm_wday - 1) :
+					(DAYSPERWEEK - 1))) / DAYSPERWEEK,
+					"%02d", pt, ptlim);
+				continue;
+			case 'w':
+				pt = _conv(t->tm_wday, "%d", pt, ptlim);
+				continue;
+			case 'X':
+				pt = _fmt(Locale->X_fmt, t, pt, ptlim, warnp);
+				continue;
+			case 'x':
+				{
+				int	warn2 = IN_SOME;
+
+				pt = _fmt(Locale->x_fmt, t, pt, ptlim, &warn2);
+				if (warn2 == IN_ALL)
+					warn2 = IN_THIS;
+				if (warn2 > *warnp)
+					*warnp = warn2;
+				}
+				continue;
+			case 'y':
+				*warnp = IN_ALL;
+				pt = _yconv(t->tm_year, TM_YEAR_BASE, 0, 1,
+					pt, ptlim);
+				continue;
+			case 'Y':
+				pt = _yconv(t->tm_year, TM_YEAR_BASE, 1, 1,
+					pt, ptlim);
+				continue;
+			case 'Z':
+#ifdef TM_ZONE
+				if (t->TM_ZONE != NULL)
+					pt = _add(t->TM_ZONE, pt, ptlim);
+				else
+#endif /* defined TM_ZONE */
+				if (t->tm_isdst >= 0)
+					pt = _add(tzname[t->tm_isdst != 0],
+						pt, ptlim);
+				/*
+				** C99 says that %Z must be replaced by the
+				** empty string if the time zone is not
+				** determinable.
+				*/
+				continue;
+			case 'z':
+				{
+				int		diff;
+				char const *	sign;
+
+				if (t->tm_isdst < 0)
+					continue;
+#ifdef TM_GMTOFF
+				diff = t->TM_GMTOFF;
+#else /* !defined TM_GMTOFF */
+				/*
+				** C99 says that the UTC offset must
+				** be computed by looking only at
+				** tm_isdst. This requirement is
+				** incorrect, since it means the code
+				** must rely on magic (in this case
+				** altzone and timezone), and the
+				** magic might not have the correct
+				** offset. Doing things correctly is
+				** tricky and requires disobeying C99;
+				** see GNU C strftime for details.
+				** For now, punt and conform to the
+				** standard, even though it's incorrect.
+				**
+				** C99 says that %z must be replaced by the
+				** empty string if the time zone is not
+				** determinable, so output nothing if the
+				** appropriate variables are not available.
+				*/
+				if (t->tm_isdst == 0)
+#ifdef USG_COMPAT
+					diff = -timezone;
+#else /* !defined USG_COMPAT */
+					continue;
+#endif /* !defined USG_COMPAT */
+				else
+#ifdef ALTZONE
+					diff = -altzone;
+#else /* !defined ALTZONE */
+					continue;
+#endif /* !defined ALTZONE */
+#endif /* !defined TM_GMTOFF */
+				if (diff < 0) {
+					sign = "-";
+					diff = -diff;
+				} else	sign = "+";
+				pt = _add(sign, pt, ptlim);
+				diff /= SECSPERMIN;
+				diff = (diff / MINSPERHOUR) * 100 +
+					(diff % MINSPERHOUR);
+				pt = _conv(diff, "%04d", pt, ptlim);
+				}
+				continue;
+			case '+':
+				pt = _fmt(Locale->date_fmt, t, pt, ptlim,
+					warnp);
+				continue;
+			case '%':
+			/*
+			** X311J/88-090 (4.12.3.5): if conversion char is
+			** undefined, behavior is undefined. Print out the
+			** character itself as printf(3) also does.
+			*/
+			default:
+				break;
+			}
+		}
+		if (pt == ptlim)
+			break;
+		*pt++ = *format;
+	}
+	return pt;
+}
+
+static char *
+_conv(n, format, pt, ptlim)
+const int		n;
+const char * const	format;
+char * const		pt;
+const char * const	ptlim;
+{
+	char	buf[INT_STRLEN_MAXIMUM(int) + 1];
+
+	(void) sprintf(buf, format, n);
+	return _add(buf, pt, ptlim);
+}
+
+static char *
+_add(str, pt, ptlim)
+const char *		str;
+char *			pt;
+const char * const	ptlim;
+{
+	while (pt < ptlim && (*pt = *str++) != '\0')
+		++pt;
+	return pt;
+}
+
+/*
+** POSIX and the C Standard are unclear or inconsistent about
+** what %C and %y do if the year is negative or exceeds 9999.
+** Use the convention that %C concatenated with %y yields the
+** same output as %Y, and that %Y contains at least 4 bytes,
+** with more only if necessary.
+*/
+
+static char *
+_yconv(a, b, convert_top, convert_yy, pt, ptlim)
+const int		a;
+const int		b;
+const int		convert_top;
+const int		convert_yy;
+char *			pt;
+const char * const	ptlim;
+{
+	register int	lead;
+	register int	trail;
+
+#define DIVISOR	100
+	trail = a % DIVISOR + b % DIVISOR;
+	lead = a / DIVISOR + b / DIVISOR + trail / DIVISOR;
+	trail %= DIVISOR;
+	if (trail < 0 && lead > 0) {
+		trail += DIVISOR;
+		--lead;
+	} else if (lead < 0 && trail > 0) {
+		trail -= DIVISOR;
+		++lead;
+	}
+	if (convert_top) {
+		if (lead == 0 && trail < 0)
+			pt = _add("-0", pt, ptlim);
+		else	pt = _conv(lead, "%02d", pt, ptlim);
+	}
+	if (convert_yy)
+		pt = _conv(((trail < 0) ? -trail : trail), "%02d", pt, ptlim);
+	return pt;
+}
+
+#ifdef LOCALE_HOME
+static struct lc_time_T *
+_loc P((void))
+{
+	static const char	locale_home[] = LOCALE_HOME;
+	static const char	lc_time[] = "LC_TIME";
+	static char *		locale_buf;
+
+	int			fd;
+	int			oldsun;	/* "...ain't got nothin' to do..." */
+	char *			lbuf;
+	char *			name;
+	char *			p;
+	const char **		ap;
+	const char *		plim;
+	char			filename[FILENAME_MAX];
+	struct stat		st;
+	size_t			namesize;
+	size_t			bufsize;
+
+	/*
+	** Use localebuf.mon[0] to signal whether locale is already set up.
+	*/
+	if (localebuf.mon[0])
+		return &localebuf;
+	name = setlocale(LC_TIME, (char *) NULL);
+	if (name == NULL || *name == '\0')
+		goto no_locale;
+	/*
+	** If the locale name is the same as our cache, use the cache.
+	*/
+	lbuf = locale_buf;
+	if (lbuf != NULL && strcmp(name, lbuf) == 0) {
+		p = lbuf;
+		for (ap = (const char **) &localebuf;
+			ap < (const char **) (&localebuf + 1);
+				++ap)
+					*ap = p += strlen(p) + 1;
+		return &localebuf;
+	}
+	/*
+	** Slurp the locale file into the cache.
+	*/
+	namesize = strlen(name) + 1;
+	if (sizeof filename <
+		((sizeof locale_home) + namesize + (sizeof lc_time)))
+			goto no_locale;
+	oldsun = 0;
+	(void) sprintf(filename, "%s/%s/%s", locale_home, name, lc_time);
+	fd = open(filename, O_RDONLY);
+	if (fd < 0) {
+		/*
+		** Old Sun systems have a different naming and data convention.
+		*/
+		oldsun = 1;
+		(void) sprintf(filename, "%s/%s/%s", locale_home,
+			lc_time, name);
+		fd = open(filename, O_RDONLY);
+		if (fd < 0)
+			goto no_locale;
+	}
+	if (fstat(fd, &st) != 0)
+		goto bad_locale;
+	if (st.st_size <= 0)
+		goto bad_locale;
+	bufsize = namesize + st.st_size;
+	locale_buf = NULL;
+	lbuf = (lbuf == NULL) ? malloc(bufsize) : realloc(lbuf, bufsize);
+	if (lbuf == NULL)
+		goto bad_locale;
+	(void) strcpy(lbuf, name);
+	p = lbuf + namesize;
+	plim = p + st.st_size;
+	if (read(fd, p, (size_t) st.st_size) != st.st_size)
+		goto bad_lbuf;
+	if (close(fd) != 0)
+		goto bad_lbuf;
+	/*
+	** Parse the locale file into localebuf.
+	*/
+	if (plim[-1] != '\n')
+		goto bad_lbuf;
+	for (ap = (const char **) &localebuf;
+		ap < (const char **) (&localebuf + 1);
+			++ap) {
+				if (p == plim)
+					goto bad_lbuf;
+				*ap = p;
+				while (*p != '\n')
+					++p;
+				*p++ = '\0';
+	}
+	if (oldsun) {
+		/*
+		** SunOS 4 used an obsolescent format; see localdtconv(3).
+		** c_fmt had the ``short format for dates and times together''
+		** (SunOS 4 date, "%a %b %e %T %Z %Y" in the C locale);
+		** date_fmt had the ``long format for dates''
+		** (SunOS 4 strftime %C, "%A, %B %e, %Y" in the C locale).
+		** Discard the latter in favor of the former.
+		*/
+		localebuf.date_fmt = localebuf.c_fmt;
+	}
+	/*
+	** Record the successful parse in the cache.
+	*/
+	locale_buf = lbuf;
+
+	return &localebuf;
+
+bad_lbuf:
+	free(lbuf);
+bad_locale:
+	(void) close(fd);
+no_locale:
+	localebuf = C_time_locale;
+	locale_buf = NULL;
+	return &localebuf;
+}
+#endif /* defined LOCALE_HOME */
diff --git a/commands/zoneinfo/systemv b/commands/zoneinfo/systemv
new file mode 100644
index 000000000..6cf9645de
--- /dev/null
+++ b/commands/zoneinfo/systemv
@@ -0,0 +1,36 @@
+# @(#)systemv	8.1
+
+# Old rules, should the need arise.
+# No attempt is made to handle Newfoundland, since it cannot be expressed
+# using the System V "TZ" scheme (half-hour offset), or anything outside
+# North America (no support for non-standard DST start/end dates), nor
+# the changes in the DST rules in the US after 1976 (which occurred after
+# the old rules were written).
+#
+# If you need the old rules, uncomment ## lines.
+# Compile this *without* leap second correction for true conformance.
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	SystemV	min	1973	-	Apr	lastSun	2:00	1:00	D
+Rule	SystemV	min	1973	-	Oct	lastSun	2:00	0	S
+Rule	SystemV	1974	only	-	Jan	6	2:00	1:00	D
+Rule	SystemV	1974	only	-	Nov	lastSun	2:00	0	S
+Rule	SystemV	1975	only	-	Feb	23	2:00	1:00	D
+Rule	SystemV	1975	only	-	Oct	lastSun	2:00	0	S
+Rule	SystemV	1976	max	-	Apr	lastSun	2:00	1:00	D
+Rule	SystemV	1976	max	-	Oct	lastSun	2:00	0	S
+
+# Zone	NAME		GMTOFF	RULES/SAVE	FORMAT	[UNTIL]
+## Zone	SystemV/AST4ADT	-4:00	SystemV		A%sT
+## Zone	SystemV/EST5EDT	-5:00	SystemV		E%sT
+## Zone	SystemV/CST6CDT	-6:00	SystemV		C%sT
+## Zone	SystemV/MST7MDT	-7:00	SystemV		M%sT
+## Zone	SystemV/PST8PDT	-8:00	SystemV		P%sT
+## Zone	SystemV/YST9YDT	-9:00	SystemV		Y%sT
+## Zone	SystemV/AST4	-4:00	-		AST
+## Zone	SystemV/EST5	-5:00	-		EST
+## Zone	SystemV/CST6	-6:00	-		CST
+## Zone	SystemV/MST7	-7:00	-		MST
+## Zone	SystemV/PST8	-8:00	-		PST
+## Zone	SystemV/YST9	-9:00	-		YST
+## Zone	SystemV/HST10	-10:00	-		HST
diff --git a/commands/zoneinfo/time2posix.3 b/commands/zoneinfo/time2posix.3
new file mode 100644
index 000000000..3ce2e0ee7
--- /dev/null
+++ b/commands/zoneinfo/time2posix.3
@@ -0,0 +1,121 @@
+.TH TIME2POSIX 3
+.SH NAME
+time2posix, posix2time \- convert seconds since the Epoch
+.SH SYNOPSIS
+.nf
+.B #include 
+.B #include 
+.PP
+.B time_t time2posix(t)
+.B time_t t
+.PP
+.B time_t posix2time(t)
+.B time_t t
+.PP
+.B cc ... -ltz
+.fi
+.SH DESCRIPTION
+IEEE Standard 1003.1
+(POSIX)
+legislates that a time_t value of
+536457599 shall correspond to "Wed Dec 31 23:59:59 UTC 1986."
+This effectively implies that POSIX time_t's cannot include leap
+seconds and,
+therefore,
+that the system time must be adjusted as each leap occurs.
+.PP
+If the time package is configured with leap-second support
+enabled,
+however,
+no such adjustment is needed and
+time_t values continue to increase over leap events
+(as a true `seconds since...' value).
+This means that these values will differ from those required by POSIX
+by the net number of leap seconds inserted since the Epoch.
+.PP
+Typically this is not a problem as the type time_t is intended
+to be
+(mostly)
+opaque\(emtime_t values should only be obtained-from and
+passed-to functions such as
+.IR time(2) ,
+.IR localtime(3) ,
+.IR mktime(3) ,
+and
+.IR difftime(3) .
+However,
+POSIX gives an arithmetic
+expression for directly computing a time_t value from a given date/time,
+and the same relationship is assumed by some
+(usually older)
+applications.
+Any programs creating/dissecting time_t's
+using such a relationship will typically not handle intervals
+over leap seconds correctly.
+.PP
+The
+.I time2posix
+and
+.I posix2time
+functions are provided to address this time_t mismatch by converting
+between local time_t values and their POSIX equivalents.
+This is done by accounting for the number of time-base changes that
+would have taken place on a POSIX system as leap seconds were inserted
+or deleted.
+These converted values can then be used in lieu of correcting the older
+applications,
+or when communicating with POSIX-compliant systems.
+.PP
+.I Time2posix
+is single-valued.
+That is,
+every local time_t
+corresponds to a single POSIX time_t.
+.I Posix2time
+is less well-behaved:
+for a positive leap second hit the result is not unique,
+and for a negative leap second hit the corresponding
+POSIX time_t doesn't exist so an adjacent value is returned.
+Both of these are good indicators of the inferiority of the
+POSIX representation.
+.PP
+The following table summarizes the relationship between a time
+T and it's conversion to,
+and back from,
+the POSIX representation over the leap second inserted at the end of June,
+1993.
+.nf
+.ta \w'93/06/30 'u +\w'23:59:59 'u +\w'A+0 'u +\w'X=time2posix(T) 'u
+DATE	TIME	T	X=time2posix(T)	posix2time(X)
+93/06/30	23:59:59	A+0	B+0	A+0
+93/06/30	23:59:60	A+1	B+1	A+1 or A+2
+93/07/01	00:00:00	A+2	B+1	A+1 or A+2
+93/07/01	00:00:01	A+3	B+2	A+3
+
+A leap second deletion would look like...
+
+DATE	TIME	T	X=time2posix(T)	posix2time(X)
+??/06/30	23:59:58	A+0	B+0	A+0
+??/07/01	00:00:00	A+1	B+2	A+1
+??/07/01	00:00:01	A+2	B+3	A+2
+.sp
+.ce
+	[Note: posix2time(B+1) => A+0 or A+1]
+.fi
+.PP
+If leap-second support is not enabled,
+local time_t's and
+POSIX time_t's are equivalent,
+and both
+.I time2posix
+and
+.I posix2time
+degenerate to the identity function.
+.SH SEE ALSO
+difftime(3),
+localtime(3),
+mktime(3),
+time(2)
+.\" @(#)time2posix.3	7.8
+.\" This file is in the public domain, so clarified as of
+.\" 1996-06-05 by Arthur David Olson.
diff --git a/commands/zoneinfo/time2posix.3.txt b/commands/zoneinfo/time2posix.3.txt
new file mode 100644
index 000000000..b61e4c765
--- /dev/null
+++ b/commands/zoneinfo/time2posix.3.txt
@@ -0,0 +1,83 @@
+NAME
+
+     time2posix, posix2time - convert seconds since the Epoch
+
+SYNOPSIS
+     #include 
+     #include 
+
+     time_t time2posix(t)
+     time_t t
+
+     time_t posix2time(t)
+     time_t t
+
+     cc ... -ltz
+
+DESCRIPTION
+     IEEE Standard 1003.1 (POSIX) legislates that a time_t value
+     of 536457599 shall correspond to "Wed Dec 31 23:59:59 UTC
+     1986."  This effectively implies that POSIX time_t's cannot
+     include leap seconds and, therefore, that the system time
+     must be adjusted as each leap occurs.
+
+     If the time package is configured with leap-second support
+     enabled, however, no such adjustment is needed and time_t
+     values continue to increase over leap events (as a true
+     `seconds since...' value).  This means that these values
+     will differ from those required by POSIX by the net number
+     of leap seconds inserted since the Epoch.
+
+     Typically this is not a problem as the type time_t is
+     intended to be (mostly) opaque-time_t values should only be
+     obtained-from and passed-to functions such as time(2),
+     localtime(3), mktime(3), and difftime(3).  However, POSIX
+     gives an arithmetic expression for directly computing a
+     time_t value from a given date/time, and the same
+     relationship is assumed by some (usually older)
+     applications.  Any programs creating/dissecting time_t's
+     using such a relationship will typically not handle
+     intervals over leap seconds correctly.
+
+     The time2posix and posix2time functions are provided to
+     address this time_t mismatch by converting between local
+     time_t values and their POSIX equivalents.  This is done by
+     accounting for the number of time-base changes that would
+     have taken place on a POSIX system as leap seconds were
+     inserted or deleted.  These converted values can then be
+     used in lieu of correcting the older applications, or when
+     communicating with POSIX-compliant systems.
+
+     Time2posix is single-valued.  That is, every local time_t
+     corresponds to a single POSIX time_t.  Posix2time is less
+     well-behaved:  for a positive leap second hit the result is
+     not unique, and for a negative leap second hit the
+     corresponding POSIX time_t doesn't exist so an adjacent
+     value is returned.  Both of these are good indicators of the
+     inferiority of the POSIX representation.
+
+     The following table summarizes the relationship between a
+     time T and it's conversion to, and back from, the POSIX
+     representation over the leap second inserted at the end of
+     June, 1993.
+     DATE     TIME     T   X=time2posix(T) posix2time(X)
+     93/06/30 23:59:59 A+0 B+0             A+0
+     93/06/30 23:59:60 A+1 B+1             A+1 or A+2
+     93/07/01 00:00:00 A+2 B+1             A+1 or A+2
+     93/07/01 00:00:01 A+3 B+2             A+3
+
+     A leap second deletion would look like...
+
+     DATE     TIME     T   X=time2posix(T) posix2time(X)
+     ??/06/30 23:59:58 A+0 B+0             A+0
+     ??/07/01 00:00:00 A+1 B+2             A+1
+     ??/07/01 00:00:01 A+2 B+3             A+2
+
+                     [Note: posix2time(B+1) => A+0 or A+1]
+
+     If leap-second support is not enabled, local time_t's and
+     POSIX time_t's are equivalent, and both time2posix and
+     posix2time degenerate to the identity function.
+
+SEE ALSO
+     difftime(3), localtime(3), mktime(3), time(2)
diff --git a/commands/zoneinfo/tz-art.htm b/commands/zoneinfo/tz-art.htm
new file mode 100644
index 000000000..4abbd519b
--- /dev/null
+++ b/commands/zoneinfo/tz-art.htm
@@ -0,0 +1,278 @@
+
+
+
+
+
+Time and the Arts
+
+
+
Time and the Arts

+

+@(#)tz-art.htm	7.59
+

+

+Please send corrections to this web page to the
+time zone mailing list.

+

+See also Sources for Time Zone and Daylight Saving Time Data.

+

+

+Data on recordings of "Save That Time," Russ Long, Serrob Publishing, BMI:

+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
ArtistKarrin Allyson
CDI Didn't Know About You
Copyright Date1993
LabelConcord Jazz, Inc.
IDCCD-4543
Track Time3:44
PersonnelKarrin Allyson, vocal;
+Russ Long, piano;
+Gerald Spaits, bass;
+Todd Strait, drums
NotesCD notes "additional lyric by Karrin Allyson;
+arranged by Russ Long and Karrin Allyson"
ADO Rating1 star
AMG Rating4 stars
Penguin Rating3.5 stars
 
ArtistKevin Mahogany
CDDouble Rainbow
Copyright Date1993
LabelEnja Records
IDENJ-7097 2
Track Time6:27
PersonnelKevin Mahogany, vocal;
+Kenny Barron, piano;
+Ray Drummond, bass;
+Ralph Moore, tenor saxophone;
+Lewis Nash, drums
ADO Rating1.5 stars
AMG Rating3 stars
Penguin Rating3 stars
 
ArtistJoe Williams
CDHere's to Life
Copyright Date1994
LabelTelarc International Corporation
IDCD-83357
Track Time3:58
PersonnelJoe Williams, vocal
+The Robert Farnon [39 piece] Orchestra
NotesThis CD is also available as part of a 3-CD package from
+Telarc, "Triple Play" (CD-83461)
ADO Ratingblack dot
AMG Rating2 stars
Penguin Rating3 stars
 
ArtistCharles Fambrough
CDKeeper of the Spirit
Copyright Date1995
LabelAudioQuest Music
IDAQ-CD1033
Track Time7:07
PersonnelCharles Fambrough, bass;
+Joel Levine, tenor recorder;
+Edward Simon, piano;
+Lenny White, drums;
+Marion Simon, percussion
NotesOn-line information and samples available at
+http://wwmusic.com/~music/audioq/rel/1033.html
ADO Rating2 stars
AMG Ratingunrated
Penguin Rating3 stars

+

+
Also of note:

+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
ArtistHolly Cole Trio
CDBlame It On My Youth
Copyright Date1992
LabelManhattan
IDCDP 7 97349 2
Total Time37:45
PersonnelHolly Cole, voice;
+Aaron Davis, piano;
+David Piltch, string bass
NotesLyrical reference to "Eastern Standard Time" in
+Tom Waits' "Purple Avenue"
ADO Rating2.5 stars
AMG Rating3 stars
Penguin Ratingunrated
 
ArtistMilt Hinton
CDOld Man Time
Copyright Date1990
LabelChiaroscuro
IDCR(D) 310
Total Time149:38 (two CDs)
PersonnelMilt Hinton, bass;
+Doc Cheatham, Dizzy Gillespie, Clark Terry, trumpet;
+Al Grey, trombone;
+Eddie Barefield, Joe Camel (Flip Phillips), Buddy Tate,
+clarinet and saxophone;
+John Bunch, Red Richards, Norman Simmons, Derek Smith,
+Ralph Sutton, piano;
+Danny Barker, Al Casey, guitar;
+Gus Johnson, Gerryck King, Bob Rosengarden, Jackie Williams,
+drums;
+Lionel Hampton, vibraphone;
+Cab Calloway, Joe Williams, vocal;
+Buck Clayton, arrangements
Notestunes include Old Man Time, Time After Time,
+Sometimes I'm Happy,
+A Hot Time in the Old Town Tonight,
+Four or Five Times, Now's the Time,
+Time on My Hands, This Time It's Us,
+and Good Time Charlie
+On-line samples available at
+http://www.chiaroscurojazz.com/albuminfo.php3?albumid=49
ADO Rating3 stars
AMG Rating4.5 stars
Penguin Rating3 stars
 
ArtistAlan Broadbent
CDPacific Standard Time
Copyright Date1995
LabelConcord Jazz, Inc.
IDCCD-4664
Total Time62:42
PersonnelAlan Broadbent, piano;
+Putter Smith, Bass;
+Frank Gibson, Jr., drums
NotesThe CD cover features an analemma for equation-of-time fans
ADO Rating1 star
AMG Rating4 stars
Penguin Rating3.5 stars
 
ArtistAnthony Braxton/Richard Teitelbaum
CDSilence/Time Zones
Copyright Date1996
LabelBlack Lion
IDBLCD 760221
Total Time72:58
PersonnelAnthony Braxton, sopranino and alto saxophones,
+contrebasse clarinet, miscellaneous instruments;
+Leo Smith, trumpet and miscellaneous instruments;
+Leroy Jenkins, violin and miscellaneous instruments;
+Richard Teitelbaum, modular moog and micromoog synthesizer
ADO Ratingblack dot
AMG Ratingunrated
 
ArtistJules Verne
BookLe Tour du Monde en Quatre-Vingts Jours
+(Around the World in Eighty Days)
NotesWall-clock time plays a central role in the plot.
+European readers of the 1870s clearly held the U.S. press in
+deep contempt; the protagonists cross the U.S. without once
+reading a paper.
+An on-line French-language version of the book
+"with illustrations from the original 1873 French-language edition"
+is available at
+http://fourmilab.ch/etexts/www/tdm80j
+An on-line English-language translation of the book is available at
+http://www.literature.org/Works/Jules-Verne/eighty
 
FilmBell Science - About Time
NotesThe Frank Baxter/Richard Deacon extravaganza.
+Information is available at
+http://www.videoflicks.com/titles/1035/1035893.htm

+

+
    
+
  • 
+An episode of "The Adventures of Superman" entitled "The Mysterious
+Cube," first aired 1958-02-24, had Superman convincing the controllers
+of WWV to broadcast time signals five minutes ahead of actual time;
+doing so got a crook trying to beat the statute of limitations to
+emerge a bit too early from the titular enclosure.
+
    • 
+
  • 
+The 1960s ITC television series "The Prisoner" included an episode
+entitled "The Chimes of Big Ben" in which our protagonist tumbled to
+the fraudulent nature of a Poland-to-England escape upon hearing "Big
+Ben" chiming on Polish local time.
+
    • 
+
  • 
+The series "Seinfeld" included an episode entitled "The Susie," first
+broadcast 1997-02-13, in which Kramer decides that daylight saving time
+isn't coming fast enough, so he sets his watch ahead an hour.
+
    • 
+
  • 
+The syndicated comic strip "Dilbert" featured an all-too-rare example of
+time zone humor on 1998-03-14.
+
    • 
+
  • 
+Surrealist artist Guy Billout's work "Date Line" appeared on page 103
+of the 1999-11 Atlantic Monthly.
+
    • 
+
  • 
+"Gloom, Gloom, Go Away" by Walter Kirn appeared on page 106 of Time
+Magazine's 2002-11-11 issue; among other things, it proposed
+year-round DST as a way of lessening wintertime despair.
+
    • 
+
  • 
+The "20 Hours in America" episode of "The West Wing," first aired 2002-09-25,
+saw White House staffers stranded in Indiana; they thought they had time to
+catch Air Force One but were done in by intra-Indiana local time changes.
+
    • 
+
  • 
+"In what time zone would you find New York City?" was a $200 question on
+the 1999-11-13 United States airing of "Who Wants to Be a Millionaire?"
+"In 1883, what industry led the movement to divide the U.S. into four time
+zones?" was a $32,000 question on the 2001-05-23 United States airing of
+"Who Wants to Be a Millionaire?" At this rate, the million-dollar time-zone
+question should have been asked 2002-06-04.
+
    • 
+

+

+
    
+
  • 
+"We're been using the five-cent nickle in this country since 1492.
+Now that's pretty near 100 years, daylight savings [sic]."
+(Groucho Marx as Captain Spaulding in "Animal Crackers", 1930,
+as noted by Will Fitzerald)
+
    • 
+
  • 
+"Good news."
+"What did they do? Extend Daylight Saving Time year round?"
+(Professional tanner George Hamilton, in dialog from a
+May, 1999 episode of the syndicated television series "Baywatch")
+
    • 
+
  • 
+"A fundamental belief held by Americans is that if you are on land, you
+cannot be killed by a fish...So most Americans remain on land, believing
+they're safe. Unfortunately, this belief—like so many myths, such as that
+there's a reason for 'Daylight Saving Time'—is false."
+(Dave Barry column, 2000-07-02)
+
    • 
+
  • 
+"I once had sex for an hour and five minutes, but that was on the day
+when you turn the clocks ahead."
+(Garry Shandling, 52nd Annual Emmys, 2000-09-10)
+
    • 
+
  • 
+"Would it impress you if I told you I invented Daylight Savings Time?"
+("Sahjhan" to "Lilah" in dialog from the "Loyalty" episode of "Angel,"
+originally aired 2002-02-25)
+
    • 
+
  • 
+"I thought you said Tulsa was a three hour flight."
+"Well, you're forgetting about the time difference."
+("Chandler" and "Joey" in dialog from the episode of "Friends" first
+aired 2002-12-05)
+
    • 
+
  • 
+"Is that a pertinent fact,
+or are you trying to dazzle me with your command of time zones?"
+(Kelsey Grammer as "Frasier Crane")
+
    • 
+
  • 
+"Don't worry about the world coming to an end today.
+It is already tomorrow in Australia."
+(Charles M. Schulz, provided by Steve Summit)
+
    • 
+

+
+
diff --git a/commands/zoneinfo/tz-link.htm b/commands/zoneinfo/tz-link.htm
new file mode 100644
index 000000000..17b8d7fbf
--- /dev/null
+++ b/commands/zoneinfo/tz-link.htm
@@ -0,0 +1,589 @@
+
+
+
+
+Sources for Time Zone and Daylight Saving Time Data
+
+
+
+
+
+
+
+
+
+
+
Sources for Time Zone and Daylight Saving Time Data

+

+@(#)tz-link.htm	7.54
+

+

+Please send corrections to this web page to the
+time zone mailing list.

+
The tz database

+

+The public-domain time zone database contains code and data
+that represent the history of local time
+for many representative locations around the globe.
+It is updated periodically to reflect changes made by political bodies
+to time zone
+boundaries, UTC offsets, and
+daylight-saving
+rules.
+This database (often called tz or zoneinfo)
+is used by several implementations,
+including
+the
+GNU
+C Library used in
+GNU/Linux,
+FreeBSD,
+NetBSD,
+OpenBSD,
+Cygwin,
+DJGPP,
+HP-UX,
+IRIX,
+Mac OS X,
+OpenVMS,
+Solaris,
+Tru64, and
+UnixWare.

+

+Each location in the database represents a national region where all
+clocks keeping local time have agreed since 1970.
+Locations are identified by continent or ocean and then by the name of
+the location, which is typically the largest city within the region.
+For example, America/New_York
+represents most of the US eastern time zone;
+America/Phoenix represents most of Arizona, which
+uses mountain time without daylight saving time (DST);
+America/Detroit represents most of Michigan, which uses
+eastern time but with different DST rules in 1975;
+and other entries represent smaller regions like Starke County,
+Indiana, which switched from central to eastern time in 1991
+and switched back in 2006.
+To use the database on an extended POSIX
+implementation set the TZ environment variable to
+the location's full name, e.g., TZ="America/New_York".

+

+In the tz database's
+FTP distribution
+the code is in the file tzcodeC.tar.gz,
+where C is the code's version;
+similarly, the data are in tzdataD.tar.gz,
+where D is the data's version.
+The following shell commands download
+these files to a GNU/Linux or similar host;
+see the downloaded
+README file for what to do next.

+
wget 'ftp://elsie.nci.nih.gov/pub/tz*.tar.gz'
+gzip -dc tzcode*.tar.gz | tar -xf -
+gzip -dc tzdata*.tar.gz | tar -xf -
+

+

+The code lets you compile the tz source files into
+machine-readable binary files, one for each location. It also lets
+you read a tz binary file and interpret time stamps for that
+location.

+

+The data are by no means authoritative. If you find errors, please
+send changes to the time zone
+mailing list. You can also subscribe to the
+mailing list, retrieve the archive of old
+messages (in gzip compressed format), or retrieve archived older versions of code
+and data; there is also a smaller HTTP
+mirror.

+

+The Web has several other sources for time zone and daylight saving time data.
+Here are some recent links that may be of interest.
+

+
Web pages using recent versions of the tz database

+
+
Other time zone database formats

+
+
Other tz compilers

+
    
+
  • Vzic iCalendar
+Timezone Converter describes a program Vzic that compiles
+tz source into iCalendar-compatible VTIMEZONE files.
+Vzic is freely
+available under the GNU
+General Public License (GPL).
    • 
+
  • DateTime::TimeZone
+contains a script parse_olson that compiles
+tz source into Perl
+modules. It is part of the Perl DateTime Project, which is freely
+available under both the GPL and the Perl Artistic
+License. DateTime::TimeZone also contains a script
+tests_from_zdump that generates test cases for each clock
+transition in the tz database.
    • 
+
  • ICU
+contains a C/C++ library for internationalization that
+has a compiler from tz source
+into an ICU-specific format.
+ICU is freely available under a
+BSD-style license.
    • 
+
  • Joda Time - Java date
+and time API
+contains a class
+org.joda.time.tz.ZoneInfoCompiler that compiles
+tz source into a Joda-specific binary format. Joda Time
+is freely available under a BSD-style license.
    • 
+
  • PyTZ - Python Time
+Zone Library compiles tz source into
+Python.
+It is freely available under a BSD-style license.
    • 
+
  • TZInfo - Ruby Timezone Library
+compiles tz source into
+Ruby.
+It is freely available under the MIT license.
    • 
+

+
Other tz binary file readers

+
    
+
  • The GNU C
+Library
+has an independent, thread-safe implementation of
+a tz binary file reader.
+This library is freely available under the
+
+GNU Lesser General Public License
+(LGPL),
+and is widely used in GNU/Linux systems.
    • 
+
  • ZoneInfo.java
+is a tz binary file reader written in Java.
+It is freely available under the LGPL.
    • 
+
  • Python time zones
+is a tz binary file reader written in Python.
+It is freely available under a BSD-style license.
    • 
+

+
Other tz-based time zone software

+
+
Other time zone databases

+
+
Maps

+
+
Time zone boundaries

+
+
Civil time concepts and history

+
+
National histories of legal time

+

+
Australia

+
The Bureau of Metrology publishes a list of
+Implementation Dates of Daylight Savings Time within Australia.

+
Austria

+
The Federal Office of Metrology and Surveying publishes a
+table of daylight saving time in Austria (in German).

+
Belgium

+
The Royal Observatory of Belgium maintains a table of time in Belgium (in Dutch).

+
Brazil

+
The Time Service Department of the National Observatory
+records Brazil's daylight saving time decrees (in
+Portuguese).

+
Canada

+
The Institute for National Measurement Standards publishes current
+and some older information about Time
+Zones & Daylight Saving Time.

+
Chile

+
WebExhibits publishes a history of official time (in Spanish) originally
+written by the Chilean Hydrographic and Oceanographic Service.

+
Germany

+
The National Institute for Science and Technology maintains the Realisation of
+Legal Time in Germany.

+
Israel

+
The Interior Ministry periodically issues announcements (in Hebrew).

+
Mexico

+
The Investigation and Analysis Service of the Mexican Library of
+Congress has published a history of Mexican local time (in Spanish).

+
Malaysia

+
See Singapore below.

+
Netherlands

+
Legal time in the Netherlands (in Dutch)
+covers the history of local time in the Netherlands from ancient times.

+
New Zealand

+
The Department of Internal Affairs maintains a brief history About
+Daylight Saving. The privately-maintained History of New Zealand
+time has more details.

+
Norway

+
The Norwegian Meteorological Institute lists
+Summer
+time in Norway (in Norwegian), citing the
+Institute of Theoretical Astrophysics, Oslo.

+
Singapore

+
Why
+is Singapore in the "Wrong" Time Zone? details the
+history of legal time in Singapore and Malaysia.

+
United Kingdom

+
History of
+legal time in Britain discusses in detail the country
+with perhaps the best-documented history of clock adjustments.
+The National Physical Laboratory also maintains an Archive
+of Summer time dates.

+

+
Precision timekeeping

+
+
Time notation

+
    
+
  • 
+A Summary of
+the International Standard Date and Time Notation is a good
+summary of
+ISO
+8601:2004 -- Data elements and interchange formats -- Information
+interchange -- Representation of dates and times.
    • 
+
  • 
+XML
+Schema: Datatypes - dateTime specifies a format inspired by
+ISO 8601 that is in common use in XML data.
    • 
+
  • 
+Section 3.3 of Internet
+RFC 2822
+specifies the time notation used in email and HTTP
+headers.
    • 
+
  • 
+Internet
+RFC 3339 specifies an ISO 8601
+profile for use in new Internet
+protocols.
    • 
+
  • 
+Date & Time
+Formats on the Web surveys web- and Internet-oriented date and time
+formats.
    • 
+
  • 
+The
+Best of Dates, the Worst of Dates covers many problems encountered
+by software developers when handling dates and time stamps.
    • 
+
  • ICU
+contains a mechanism for localizing time zone
+labels and abbreviations; for example, one can use it to specify
+Russian translations for "Eastern European Summer Time",
+"EEST",
+and Europe/Bucharest.
+This mechanism is part of the
+Unicode
+CLDR Project;
+for example, the CLDR Sideways Data for dates_timeZoneNames
+shows values for time zone names in many locales.
    • 
+
  • Alphabetic time zone abbreviations should not be used as unique
+identifiers for UTC offsets as they are ambiguous in
+practice. For example, "EST" denotes 5 hours behind
+UTC in English-speaking North America, but it denotes 10
+or 11 hours ahead of UTC in Australia; and
+French-speaking North Americans prefer
+"HNE" to
+"EST". For POSIX the tz
+database contains English abbreviations for all time stamps but in
+many cases these are merely inventions of the database
+maintainers.
    • 
+
  • Numeric time zone abbreviations typically count hours east of
+UTC, e.g., +09 for Japan and
+-10 for Hawaii. However, the POSIX
+TZ environment variable uses the opposite convention. For
+example, one might use TZ="JST-9" and
+TZ="HST10" for Japan and Hawaii, respectively. If the
+tz database is available, it is usually better to use
+settings like TZ="Asia/Tokyo" and
+TZ="Pacific/Honolulu" instead, as this should avoid
+confusion, handle old time stamps better, and insulate you better from
+any future changes to the rules. One should never set
+POSIX TZ to a value like
+"GMT-9", though, since this would falsely claim that
+local time is nine hours ahead of UTC and the time zone
+is called "GMT".
    • 
+

+
Related indexes

+
+
+
diff --git a/commands/zoneinfo/tzfile.5 b/commands/zoneinfo/tzfile.5
new file mode 100644
index 000000000..ceb6a77b3
--- /dev/null
+++ b/commands/zoneinfo/tzfile.5
@@ -0,0 +1,138 @@
+.TH TZFILE 5
+.SH NAME
+tzfile \- time zone information
+.SH SYNOPSIS
+.B
+#include 
+.SH DESCRIPTION
+The time zone information files used by
+.IR tzset (3)
+begin with the magic characters "TZif" to identify then as
+time zone information files,
+followed by sixteen bytes reserved for future use,
+followed by six four-byte values of type
+.BR long ,
+written in a ``standard'' byte order
+(the high-order byte of the value is written first).
+These values are,
+in order:
+.TP
+.I tzh_ttisgmtcnt
+The number of UTC/local indicators stored in the file.
+.TP
+.I tzh_ttisstdcnt
+The number of standard/wall indicators stored in the file.
+.TP
+.I tzh_leapcnt
+The number of leap seconds for which data is stored in the file.
+.TP
+.I tzh_timecnt
+The number of "transition times" for which data is stored
+in the file.
+.TP
+.I tzh_typecnt
+The number of "local time types" for which data is stored
+in the file (must not be zero).
+.TP
+.I tzh_charcnt
+The number of characters of "time zone abbreviation strings"
+stored in the file.
+.PP
+The above header is followed by
+.I tzh_timecnt
+four-byte values of type
+.BR long ,
+sorted in ascending order.
+These values are written in ``standard'' byte order.
+Each is used as a transition time (as returned by
+.IR time (2))
+at which the rules for computing local time change.
+Next come
+.I tzh_timecnt
+one-byte values of type
+.BR "unsigned char" ;
+each one tells which of the different types of ``local time'' types
+described in the file is associated with the same-indexed transition time.
+These values serve as indices into an array of
+.I ttinfo
+structures that appears next in the file;
+these structures are defined as follows:
+.in +.5i
+.sp
+.nf
+.ta .5i +\w'unsigned int\0\0'u
+struct ttinfo {
+	long	tt_gmtoff;
+	int	tt_isdst;
+	unsigned int	tt_abbrind;
+};
+.in -.5i
+.fi
+.sp
+Each structure is written as a four-byte value for
+.I tt_gmtoff
+of type
+.BR long ,
+in a standard byte order, followed by a one-byte value for
+.I tt_isdst
+and a one-byte value for
+.IR tt_abbrind .
+In each structure,
+.I tt_gmtoff
+gives the number of seconds to be added to UTC,
+.I tt_isdst
+tells whether
+.I tm_isdst
+should be set by
+.I localtime (3)
+and
+.I tt_abbrind
+serves as an index into the array of time zone abbreviation characters
+that follow the
+.I ttinfo
+structure(s) in the file.
+.PP
+Then there are
+.I tzh_leapcnt
+pairs of four-byte values, written in standard byte order;
+the first value of each pair gives the time
+(as returned by
+.IR time(2))
+at which a leap second occurs;
+the second gives the
+.I total
+number of leap seconds to be applied after the given time.
+The pairs of values are sorted in ascending order by time.
+.PP
+Then there are
+.I tzh_ttisstdcnt
+standard/wall indicators, each stored as a one-byte value;
+they tell whether the transition times associated with local time types
+were specified as standard time or wall clock time,
+and are used when a time zone file is used in handling POSIX-style
+time zone environment variables.
+.PP
+Finally there are
+.I tzh_ttisgmtcnt
+UTC/local indicators, each stored as a one-byte value;
+they tell whether the transition times associated with local time types
+were specified as UTC or local time,
+and are used when a time zone file is used in handling POSIX-style
+time zone environment variables.
+.PP
+.I Localtime
+uses the first standard-time
+.I ttinfo
+structure in the file
+(or simply the first
+.I ttinfo
+structure in the absence of a standard-time structure)
+if either
+.I tzh_timecnt
+is zero or the time argument is less than the first transition time recorded
+in the file.
+.SH SEE ALSO
+newctime(3)
+.\" @(#)tzfile.5	7.12
+.\" This file is in the public domain, so clarified as of
+.\" 1996-06-05 by Arthur David Olson.
diff --git a/commands/zoneinfo/tzfile.5.txt b/commands/zoneinfo/tzfile.5.txt
new file mode 100644
index 000000000..dec5df5d5
--- /dev/null
+++ b/commands/zoneinfo/tzfile.5.txt
@@ -0,0 +1,93 @@
+NAME
+
+     tzfile - time zone information
+
+SYNOPSIS
+     #include 
+
+DESCRIPTION
+     The time zone information files used by tzset(3) begin with
+     the magic characters "TZif" to identify then as time zone
+     information files, followed by sixteen bytes reserved for
+     future use, followed by six four-byte values of type long,
+     written in a ``standard'' byte order (the high-order byte of
+     the value is written first).  These values are, in order:
+
+     tzh_ttisgmtcnt
+          The number of UTC/local indicators stored in the file.
+
+     tzh_ttisstdcnt
+          The number of standard/wall indicators stored in the
+          file.
+
+     tzh_leapcnt
+          The number of leap seconds for which data is stored in
+          the file.
+
+     tzh_timecnt
+          The number of "transition times" for which data is
+          stored in the file.
+
+     tzh_typecnt
+          The number of "local time types" for which data is
+          stored in the file (must not be zero).
+
+     tzh_charcnt
+          The number of characters of "time zone abbreviation
+          strings" stored in the file.
+
+     The above header is followed by tzh_timecnt four-byte values
+     of type long, sorted in ascending order.  These values are
+     written in ``standard'' byte order.  Each is used as a
+     transition time (as returned by time(2)) at which the rules
+     for computing local time change.  Next come tzh_timecnt
+     one-byte values of type unsigned char; each one tells which
+     of the different types of ``local time'' types described in
+     the file is associated with the same-indexed transition
+     time.  These values serve as indices into an array of ttinfo
+     structures that appears next in the file; these structures
+     are defined as follows:
+
+          struct ttinfo {
+               long          tt_gmtoff;
+               int           tt_isdst;
+               unsigned int  tt_abbrind;
+          };
+
+     Each structure is written as a four-byte value for tt_gmtoff
+     of type long, in a standard byte order, followed by a one-
+     byte value for tt_isdst and a one-byte value for tt_abbrind.
+     In each structure, tt_gmtoff gives the number of seconds to
+     be added to UTC, tt_isdst tells whether tm_isdst should be
+     set by localtime (3) and tt_abbrind serves as an index into
+     the array of time zone abbreviation characters that follow
+     the ttinfo structure(s) in the file.
+
+     Then there are tzh_leapcnt pairs of four-byte values,
+     written in standard byte order; the first value of each pair
+     gives the time (as returned by time(2)) at which a leap
+     second occurs; the second gives the total number of leap
+     seconds to be applied after the given time.  The pairs of
+     values are sorted in ascending order by time.
+
+     Then there are tzh_ttisstdcnt standard/wall indicators, each
+     stored as a one-byte value; they tell whether the transition
+     times associated with local time types were specified as
+     standard time or wall clock time, and are used when a time
+     zone file is used in handling POSIX-style time zone
+     environment variables.
+
+     Finally there are tzh_ttisgmtcnt UTC/local indicators, each
+     stored as a one-byte value; they tell whether the transition
+     times associated with local time types were specified as UTC
+     or local time, and are used when a time zone file is used in
+     handling POSIX-style time zone environment variables.
+
+     Localtime uses the first standard-time ttinfo structure in
+     the file (or simply the first ttinfo structure in the
+     absence of a standard-time structure) if either tzh_timecnt
+     is zero or the time argument is less than the first
+     transition time recorded in the file.
+
+SEE ALSO
+     newctime(3)
diff --git a/commands/zoneinfo/tzfile.h b/commands/zoneinfo/tzfile.h
new file mode 100644
index 000000000..fb6ca9880
--- /dev/null
+++ b/commands/zoneinfo/tzfile.h
@@ -0,0 +1,175 @@
+#ifndef TZFILE_H
+
+#define TZFILE_H
+
+/*
+** This file is in the public domain, so clarified as of
+** 1996-06-05 by Arthur David Olson.
+*/
+
+/*
+** This header is for use ONLY with the time conversion code.
+** There is no guarantee that it will remain unchanged,
+** or that it will remain at all.
+** Do NOT copy it to any system include directory.
+** Thank you!
+*/
+
+/*
+** ID
+*/
+
+#ifndef lint
+#ifndef NOID
+static char	tzfilehid[] = "@(#)tzfile.h	7.18";
+#endif /* !defined NOID */
+#endif /* !defined lint */
+
+/*
+** Information about time zone files.
+*/
+
+#ifndef TZDIR
+#define TZDIR	"/usr/local/etc/zoneinfo" /* Time zone object file directory */
+#endif /* !defined TZDIR */
+
+#ifndef TZDEFAULT
+#define TZDEFAULT	"localtime"
+#endif /* !defined TZDEFAULT */
+
+#ifndef TZDEFRULES
+#define TZDEFRULES	"posixrules"
+#endif /* !defined TZDEFRULES */
+
+/*
+** Each file begins with. . .
+*/
+
+#define	TZ_MAGIC	"TZif"
+
+struct tzhead {
+	char	tzh_magic[4];		/* TZ_MAGIC */
+	char	tzh_reserved[16];	/* reserved for future use */
+	char	tzh_ttisgmtcnt[4];	/* coded number of trans. time flags */
+	char	tzh_ttisstdcnt[4];	/* coded number of trans. time flags */
+	char	tzh_leapcnt[4];		/* coded number of leap seconds */
+	char	tzh_timecnt[4];		/* coded number of transition times */
+	char	tzh_typecnt[4];		/* coded number of local time types */
+	char	tzh_charcnt[4];		/* coded number of abbr. chars */
+};
+
+/*
+** . . .followed by. . .
+**
+**	tzh_timecnt (char [4])s		coded transition times a la time(2)
+**	tzh_timecnt (unsigned char)s	types of local time starting at above
+**	tzh_typecnt repetitions of
+**		one (char [4])		coded UTC offset in seconds
+**		one (unsigned char)	used to set tm_isdst
+**		one (unsigned char)	that's an abbreviation list index
+**	tzh_charcnt (char)s		'\0'-terminated zone abbreviations
+**	tzh_leapcnt repetitions of
+**		one (char [4])		coded leap second transition times
+**		one (char [4])		total correction after above
+**	tzh_ttisstdcnt (char)s		indexed by type; if TRUE, transition
+**					time is standard time, if FALSE,
+**					transition time is wall clock time
+**					if absent, transition times are
+**					assumed to be wall clock time
+**	tzh_ttisgmtcnt (char)s		indexed by type; if TRUE, transition
+**					time is UTC, if FALSE,
+**					transition time is local time
+**					if absent, transition times are
+**					assumed to be local time
+*/
+
+/*
+** In the current implementation, "tzset()" refuses to deal with files that
+** exceed any of the limits below.
+*/
+
+#ifndef TZ_MAX_TIMES
+/*
+** The TZ_MAX_TIMES value below is enough to handle a bit more than a
+** year's worth of solar time (corrected daily to the nearest second) or
+** 138 years of Pacific Presidential Election time
+** (where there are three time zone transitions every fourth year).
+*/
+#define TZ_MAX_TIMES	370
+#endif /* !defined TZ_MAX_TIMES */
+
+#ifndef TZ_MAX_TYPES
+#ifndef NOSOLAR
+#define TZ_MAX_TYPES	256 /* Limited by what (unsigned char)'s can hold */
+#endif /* !defined NOSOLAR */
+#ifdef NOSOLAR
+/*
+** Must be at least 14 for Europe/Riga as of Jan 12 1995,
+** as noted by Earl Chew.
+*/
+#define TZ_MAX_TYPES	20	/* Maximum number of local time types */
+#endif /* !defined NOSOLAR */
+#endif /* !defined TZ_MAX_TYPES */
+
+#ifndef TZ_MAX_CHARS
+#define TZ_MAX_CHARS	50	/* Maximum number of abbreviation characters */
+				/* (limited by what unsigned chars can hold) */
+#endif /* !defined TZ_MAX_CHARS */
+
+#ifndef TZ_MAX_LEAPS
+#define TZ_MAX_LEAPS	50	/* Maximum number of leap second corrections */
+#endif /* !defined TZ_MAX_LEAPS */
+
+#define SECSPERMIN	60
+#define MINSPERHOUR	60
+#define HOURSPERDAY	24
+#define DAYSPERWEEK	7
+#define DAYSPERNYEAR	365
+#define DAYSPERLYEAR	366
+#define SECSPERHOUR	(SECSPERMIN * MINSPERHOUR)
+#define SECSPERDAY	((long) SECSPERHOUR * HOURSPERDAY)
+#define MONSPERYEAR	12
+
+#define TM_SUNDAY	0
+#define TM_MONDAY	1
+#define TM_TUESDAY	2
+#define TM_WEDNESDAY	3
+#define TM_THURSDAY	4
+#define TM_FRIDAY	5
+#define TM_SATURDAY	6
+
+#define TM_JANUARY	0
+#define TM_FEBRUARY	1
+#define TM_MARCH	2
+#define TM_APRIL	3
+#define TM_MAY		4
+#define TM_JUNE		5
+#define TM_JULY		6
+#define TM_AUGUST	7
+#define TM_SEPTEMBER	8
+#define TM_OCTOBER	9
+#define TM_NOVEMBER	10
+#define TM_DECEMBER	11
+
+#define TM_YEAR_BASE	1900
+
+#define EPOCH_YEAR	1970
+#define EPOCH_WDAY	TM_THURSDAY
+
+#define isleap(y) (((y) % 4) == 0 && (((y) % 100) != 0 || ((y) % 400) == 0))
+
+/*
+** Since everything in isleap is modulo 400 (or a factor of 400), we know that
+**	isleap(y) == isleap(y % 400)
+** and so
+**	isleap(a + b) == isleap((a + b) % 400)
+** or
+**	isleap(a + b) == isleap(a % 400 + b % 400)
+** This is true even if % means modulo rather than Fortran remainder
+** (which is allowed by C89 but not C99).
+** We use this to avoid addition overflow problems.
+*/
+
+#define isleap_sum(a, b)	isleap((a) % 400 + (b) % 400)
+
+#endif /* !defined TZFILE_H */
diff --git a/commands/zoneinfo/tzselect.8 b/commands/zoneinfo/tzselect.8
new file mode 100644
index 000000000..1545481c0
--- /dev/null
+++ b/commands/zoneinfo/tzselect.8
@@ -0,0 +1,41 @@
+.TH TZSELECT 8
+.SH NAME
+tzselect \- select a time zone
+.SH SYNOPSIS
+.B tzselect
+.SH DESCRIPTION
+The
+.B tzselect
+program asks the user for information about the current location,
+and outputs the resulting time zone description to standard output.
+The output is suitable as a value for the TZ environment variable.
+.PP
+All interaction with the user is done via standard input and standard error.
+.SH "ENVIRONMENT VARIABLES"
+.TP
+\f3AWK\fP
+Name of a Posix-compliant
+.I awk
+program (default:
+.BR awk ).
+.TP
+\f3TZDIR\fP
+Name of the directory containing time zone data files (default:
+.BR /usr/local/etc/zoneinfo ).
+.SH FILES
+.TP
+\f2TZDIR\fP\f3/iso3166.tab\fP
+Table of ISO 3166 2-letter country codes and country names.
+.TP
+\f2TZDIR\fP\f3/zone.tab\fP
+Table of country codes, latitude and longitude, TZ values, and
+descriptive comments.
+.TP
+\f2TZDIR\fP\f3/\fP\f2TZ\fP
+Time zone data file for time zone \f2TZ\fP.
+.SH "EXIT STATUS"
+The exit status is zero if a time zone was successfully obtained from the user,
+nonzero otherwise.
+.SH "SEE ALSO"
+newctime(3), tzfile(5), zdump(8), zic(8)
+.\" @(#)tzselect.8	1.3
diff --git a/commands/zoneinfo/tzselect.8.txt b/commands/zoneinfo/tzselect.8.txt
new file mode 100644
index 000000000..9813bd4b9
--- /dev/null
+++ b/commands/zoneinfo/tzselect.8.txt
@@ -0,0 +1,41 @@
+NAME
+
+     tzselect - select a time zone
+
+SYNOPSIS
+     tzselect
+
+DESCRIPTION
+     The tzselect program asks the user for information about the
+     current location, and outputs the resulting time zone
+     description to standard output.  The output is suitable as a
+     value for the TZ environment variable.
+
+     All interaction with the user is done via standard input and
+     standard error.
+
+ENVIRONMENT VARIABLES
+     AWK  Name of a Posix-compliant awk program (default:  awk).
+
+     TZDIR
+          Name of the directory containing time zone data files
+          (default:  /usr/local/etc/zoneinfo).
+
+FILES
+     TZDIR/iso3166.tab
+          Table of ISO 3166 2-letter country codes and country
+          names.
+
+     TZDIR/zone.tab
+          Table of country codes, latitude and longitude, TZ
+          values, and descriptive comments.
+
+     TZDIR/TZ
+          Time zone data file for time zone TZ.
+
+EXIT STATUS
+     The exit status is zero if a time zone was successfully
+     obtained from the user, nonzero otherwise.
+
+SEE ALSO
+     newctime(3), tzfile(5), zdump(8), zic(8)
diff --git a/commands/zoneinfo/tzselect.ksh b/commands/zoneinfo/tzselect.ksh
new file mode 100644
index 000000000..fa0c3e5f4
--- /dev/null
+++ b/commands/zoneinfo/tzselect.ksh
@@ -0,0 +1,308 @@
+#! /bin/ksh
+
+# '@(#)tzselect.ksh	1.8'
+
+# Ask the user about the time zone, and output the resulting TZ value to stdout.
+# Interact with the user via stderr and stdin.
+
+# Contributed by Paul Eggert.
+
+# Porting notes:
+#
+# This script requires several features of the Korn shell.
+# If your host lacks the Korn shell,
+# you can use either of the following free programs instead:
+#
+#	
+#	Bourne-Again shell (bash)
+#	
+#
+#	
+#	Public domain ksh
+#	
+#
+# This script also uses several features of modern awk programs.
+# If your host lacks awk, or has an old awk that does not conform to Posix.2,
+# you can use either of the following free programs instead:
+#
+#	
+#	GNU awk (gawk)
+#	
+#
+#	
+#	mawk
+#	
+
+
+# Specify default values for environment variables if they are unset.
+: ${AWK=awk}
+: ${TZDIR=$(pwd)}
+
+# Check for awk Posix compliance.
+($AWK -v x=y 'BEGIN { exit 123 }') /dev/null 2>&1
+[ $? = 123 ] || {
+	echo >&2 "$0: Sorry, your \`$AWK' program is not Posix compatible."
+	exit 1
+}
+
+# Make sure the tables are readable.
+TZ_COUNTRY_TABLE=$TZDIR/iso3166.tab
+TZ_ZONE_TABLE=$TZDIR/zone.tab
+for f in $TZ_COUNTRY_TABLE $TZ_ZONE_TABLE
+do
+	<$f || {
+		echo >&2 "$0: time zone files are not set up correctly"
+		exit 1
+	}
+done
+
+newline='
+'
+IFS=$newline
+
+
+# Work around a bug in bash 1.14.7 and earlier, where $PS3 is sent to stdout.
+case $(echo 1 | (select x in x; do break; done) 2>/dev/null) in
+?*) PS3=
+esac
+
+
+# Begin the main loop.  We come back here if the user wants to retry.
+while
+
+	echo >&2 'Please identify a location' \
+		'so that time zone rules can be set correctly.'
+
+	continent=
+	country=
+	region=
+
+
+	# Ask the user for continent or ocean.
+
+	echo >&2 'Please select a continent or ocean.'
+
+	select continent in \
+	    Africa \
+	    Americas \
+	    Antarctica \
+	    'Arctic Ocean' \
+	    Asia \
+	    'Atlantic Ocean' \
+	    Australia \
+	    Europe \
+	    'Indian Ocean' \
+	    'Pacific Ocean' \
+	    'none - I want to specify the time zone using the Posix TZ format.'
+	do
+	    case $continent in
+	    '')
+		echo >&2 'Please enter a number in range.';;
+	    ?*)
+		case $continent in
+		Americas) continent=America;;
+		*' '*) continent=$(expr "$continent" : '\([^ ]*\)')
+		esac
+		break
+	    esac
+	done
+	case $continent in
+	'')
+		exit 1;;
+	none)
+		# Ask the user for a Posix TZ string.  Check that it conforms.
+		while
+			echo >&2 'Please enter the desired value' \
+				'of the TZ environment variable.'
+			echo >&2 'For example, GST-10 is a zone named GST' \
+				'that is 10 hours ahead (east) of UTC.'
+			read TZ
+			$AWK -v TZ="$TZ" 'BEGIN {
+				tzname = "[^-+,0-9][^-+,0-9][^-+,0-9]+"
+				time = "[0-2]?[0-9](:[0-5][0-9](:[0-5][0-9])?)?"
+				offset = "[-+]?" time
+				date = "(J?[0-9]+|M[0-9]+\.[0-9]+\.[0-9]+)"
+				datetime = "," date "(/" time ")?"
+				tzpattern = "^(:.*|" tzname offset "(" tzname \
+				  "(" offset ")?(" datetime datetime ")?)?)$"
+				if (TZ ~ tzpattern) exit 1
+				exit 0
+			}'
+		do
+			echo >&2 "\`$TZ' is not a conforming" \
+				'Posix time zone string.'
+		done
+		TZ_for_date=$TZ;;
+	*)
+		# Get list of names of countries in the continent or ocean.
+		countries=$($AWK -F'\t' \
+			-v continent="$continent" \
+			-v TZ_COUNTRY_TABLE="$TZ_COUNTRY_TABLE" \
+		'
+			/^#/ { next }
+			$3 ~ ("^" continent "/") {
+				if (!cc_seen[$1]++) cc_list[++ccs] = $1
+			}
+			END {
+				while (getline &2 'Please select a country.'
+			select country in $countries
+			do
+			    case $country in
+			    '') echo >&2 'Please enter a number in range.';;
+			    ?*) break
+			    esac
+			done
+
+			case $country in
+			'') exit 1
+			esac;;
+		*)
+			country=$countries
+		esac
+
+
+		# Get list of names of time zone rule regions in the country.
+		regions=$($AWK -F'\t' \
+			-v country="$country" \
+			-v TZ_COUNTRY_TABLE="$TZ_COUNTRY_TABLE" \
+		'
+			BEGIN {
+				cc = country
+				while (getline &2 'Please select one of the following' \
+				'time zone regions.'
+			select region in $regions
+			do
+				case $region in
+				'') echo >&2 'Please enter a number in range.';;
+				?*) break
+				esac
+			done
+			case $region in
+			'') exit 1
+			esac;;
+		*)
+			region=$regions
+		esac
+
+		# Determine TZ from country and region.
+		TZ=$($AWK -F'\t' \
+			-v country="$country" \
+			-v region="$region" \
+			-v TZ_COUNTRY_TABLE="$TZ_COUNTRY_TABLE" \
+		'
+			BEGIN {
+				cc = country
+				while (getline &2 "$0: time zone files are not set up correctly"
+			exit 1
+		}
+	esac
+
+
+	# Use the proposed TZ to output the current date relative to UTC.
+	# Loop until they agree in seconds.
+	# Give up after 8 unsuccessful tries.
+
+	extra_info=
+	for i in 1 2 3 4 5 6 7 8
+	do
+		TZdate=$(LANG=C TZ="$TZ_for_date" date)
+		UTdate=$(LANG=C TZ=UTC0 date)
+		TZsec=$(expr "$TZdate" : '.*:\([0-5][0-9]\)')
+		UTsec=$(expr "$UTdate" : '.*:\([0-5][0-9]\)')
+		case $TZsec in
+		$UTsec)
+			extra_info="
+Local time is now:	$TZdate.
+Universal Time is now:	$UTdate."
+			break
+		esac
+	done
+
+
+	# Output TZ info and ask the user to confirm.
+
+	echo >&2 ""
+	echo >&2 "The following information has been given:"
+	echo >&2 ""
+	case $country+$region in
+	?*+?*)	echo >&2 "	$country$newline	$region";;
+	?*+)	echo >&2 "	$country";;
+	+)	echo >&2 "	TZ='$TZ'"
+	esac
+	echo >&2 ""
+	echo >&2 "Therefore TZ='$TZ' will be used.$extra_info"
+	echo >&2 "Is the above information OK?"
+
+	ok=
+	select ok in Yes No
+	do
+	    case $ok in
+	    '') echo >&2 'Please enter 1 for Yes, or 2 for No.';;
+	    ?*) break
+	    esac
+	done
+	case $ok in
+	'') exit 1;;
+	Yes) break
+	esac
+do :
+done
+
+case $SHELL in
+*csh) file=.login line="setenv TZ '$TZ'";;
+*) file=.profile line="TZ='$TZ'; export TZ"
+esac
+
+echo >&2 "
+You can make this change permanent for yourself by appending the line
+	$line
+to the file '$file' in your home directory; then log out and log in again.
+
+Here is that TZ value again, this time on standard output so that you
+can use the $0 command in shell scripts:"
+
+echo "$TZ"
diff --git a/commands/zoneinfo/usno1988 b/commands/zoneinfo/usno1988
new file mode 100644
index 000000000..1607da547
--- /dev/null
+++ b/commands/zoneinfo/usno1988
@@ -0,0 +1,111 @@
+# @(#)usno1988	7.2
+#
+# From Arthur David Olson (1989-01-19):
+#
+# Here's some United States Naval Observatory time zone data from
+# February 1988.  It's here mostly to convince you that the USNO has indeed
+# been updating its files (see its 1989 data elsewhere).
+#
+ANDORRA             1 H AHEAD OF UTC
+ARGENTINA           3 H BEHIND   UTC
+BRASIL   WEST       5 H BEHIND UTC        (CRUZEIRO DO SUL)
+BRASIL   CENTRAL    4 H BEHIND UTC              (MANAUS)
+BRASIL   EAST       3 H BEHIND UTC   COASTAL STATES, RIO, SP, BRASILIA
+BRASIL              2 H BEHIND UTC   ATLANTIC ISLANDS
+BRAZIL              5 H BEHIND UTC   WEST (CRUZEIRO DO SUL)
+BRAZIL              4 H BEHIND UTC   CENTRAL    (MANAUS)
+BRAZIL              3 H BEHIND UTC   COASTAL STATES, RIO, SP, BRASILIA
+BRAZIL              3 H BEHIND UTC   FOR MOST MAJOR AIRPORTS.
+BRAZIL              2 H BEHIND UTC   ATLANTIC ISLANDS
+BULGARIA            2 H AHEAD OF UTC WINTER
+BULGARIA            3 H AHEAD OF UTC SUMMER MAR31 - SEP 85, 0100 LOCAL
+CHINA               8 H AHEAD OF UTC; ALL OF CHINA, INCL TAIWAN
+CUBA                5 H BEHIND UTC IN WINTER
+CUBA                4 H BEHIND UTC MAY 8 - OCT 8
+CYPRUS              2 H AHEAD UTC IN WINTER
+CYPRUS              3 H AHEAD UTC MAR 25 - SEP 30
+DENMARK             1 H AHEAD UTC IN WINTER
+DENMARK             2 H AHEAD UTC MAR 31 - SEP 30  , 0200 LOCAL
+DENMK. FAEROE IS    1 H AHEAD UTC MAR 31 - SEP 30  , 0200 LOCAL
+EGYPT               2 H AHEAD UTC
+EGYPT               3 H AHEAD UTC SUMMER (AFTER RAMADAN)
+ENGLAND             ON UTC IN WINTER; WALES, SCOTLAND, N.I., CH.IS.
+ENGLAND             1 H AHEAD OF UTC; SUMMER TIL 28 OCT 0200 LOCAL
+FINLAND             2 H AHEAD OF UTC IN WINTER
+FINLAND             3 H AHEAD OF UTC MAR 25 - SEP 30
+FRANCE              1 H AHEAD OF UTC IN WINTER
+FRANCE              2 H AHEAD OF UTC MAR 31 - SEP 30 , 0100 LOCAL
+GREECE              2 H AHEAD OF UTC IN WINTER
+GREECE              3 H AHEAD OF UTC IN SUMMER EFF. 31MAR85 02/03 LOCAL
+GREECE              3 H AHEAD OF UTC MAR 25 - SEP 30
+GREENLAND           4 H BEHIND UTC  IN THULE AIRBASE YEAR ROUND
+GREENLAND           3 H BEHIND UTC  IN WINTER AT SONDRESTROM
+GREENLAND           2 H BEHIND UTC  30 MAR - 30 SEP 2200 LOCAL AT -"-
+GREENLAND           2 H BEHIND UTC  AROUND SCORESBY SUND
+ICELAND             ON UTC
+IRAN                3.5H AHEAD OF UTC
+IRELAND             ON UTC IN WINTER
+IRELAND             1 H AHEAD OF UTC MAR 31 - OCT 23  0200 LOCAL
+ITALY               1 H AHEAD OF UTC IN WINTER
+ITALY               2 H AHEAD OF UTC MAR 31 - SEP 30, 0030 LOCAL
+JAMAICA             5 H BEHIND UTC IN WINTER
+JAMAICA             4 H BEHIND UTC APR 29 - OCT 29
+LIBYA               2 H AHEAD OF UTC
+MEXICO BAJA CAL N   8 H BEHIND UTC IN WINTER; NORTH BAJA CAL, TIJUANA
+MEXICO BAJA CAL N   7 H BEHIND UTC APR 29 - OCT 29
+MEXICO BAJA CAL S   7 H BEHIND UTC ALL YEAR; MAZATLAN
+MEXICO CENTRAL      6 H BEHIND UTC ALL YEAR; MEXICO CITY
+MONACO              1 H AHEAD UTC IN WINTER
+MONACO              2 H AHEAD UTC MAR 25 - SEP30
+PARAGUAY            4 H BEHIND UTC IN WINTER
+PARAGUAY            3 H BEHIND UTC SEP 30 - MAR 30
+POLAND              1 H AHEAD OF UTC IN WINTER
+POLAND              2 H AHEAD OF UTC MAR 24 - SEP     0200 LOCAL
+PORTUGAL            ON UTC IN WINTER
+PORTUGAL            1 H AHEAD OF UTC IN SUMMER MAR 31 - SEP 29   0100 LOCAL
+PORTUGAL AZORES     1 H BEHIND UTC IN WINTER
+PORTUGAL AZORES     ON UTC IN SUMMER MAR 31 - SEP 29
+PORTUGAL MADEIRA    ON UTC ALL YEAR;
+ROMANIA             2 H AHEAD OF UTC IN WINTER
+ROMANIA             3 H AHEAD OF UTC APR 3 - SEP 24
+SCOTLAND            SEE ENGLAND
+SWITZERLAND         1 H AHEAD OF UTC IN WINTER
+SWITZERLAND         2 H AHEAD OF UTC MAR 31 - SEP 30  0200 LOCAL
+TURKEY              3 H AHEAD OF UTC
+USA   EASTERN       5 H BEHIND UTC IN WINTER; NEW YORK, WASHINGTON
+USA   EASTERN       4 H BEHIND UTC APR 29 - OCT 29
+USA   CENTRAL       6 H BEHIND UTC IN WINTER; CHICAGO, HOUSTON
+USA   CENTRAL       5 H BEHIND UTC APR 29 - OCT 29
+USA   MOUNTAIN      7 H BEHIND UTC IN WINTER; DENVER
+USA   MOUNTAIN      6 H BEHIND UTC APR 29 - OCT 29
+USA   PACIFIC       8 H BEHIND UTC IN WINTER; L.A., SAN FRANCISCO
+USA   PACIFIC       7 H BEHIND UTC APR 29 - OCT 29
+USA   ALASKA STD    9 H BEHIND UTC IN WINTER; MOST OF ALASKA     (AKST)
+USA   ALASKA STD    8 H BEHIND UTC APR 29 - OCT 29               (AKDT)
+USA   ALEUTIAN     10 H BEHIND UTC IN WINTER; ISLANDS WEST OF 170W
+USA   - " -         9 H BEHIND UTC APR 29 - OCT 29
+USA   HAWAII       10 H BEHIND UTC ALL YEAR;
+USA   BERING       11 H BEHIND UTC ALL YEAR; SAMOA, MIDWAY
+USSR WEST EUROP     3 H AHEAD OF UTC IN WINTER; LENINGRAD, MOSCOW
+USSR WEST EUROP     4 H AHEAD OF UTC APR 1 - SEP 30
+USSR CENTRAL EUR    4 H AHEAD OF UTC IN WINTER; ROSTOV, BAKU
+USSR CENTRAL EUR    5 H AHEAD OF UTC APR 1 - SEP 30
+USSR EAST EUROP     5 H AHEAD OF UTC IN WINTER; SVERDLOVSK
+USSR EAST EUROP     6 H AHEAD OF UTC APR 1 - SEP 30
+USSR WEST SIBERIAN  6 H AHEAD OF UTC IN WINTER; TASHKENT, ALMA ATA
+USSR WEST SIBERIAN  7 H AHEAD OF UTC APR 1 - SEP 30
+USSR WEST-CENTRAL   7 H AHEAD OF UTC IN WINTER; NOVOSIBIRSK
+USSR WEST-CENTRAL   8 H AHEAD OF UTC APR 1 - SEP 30
+USSR WEST-CENTRAL   8 H AHEAD OF UTC IN WINTER; IRKUTSK
+USSR WEST-CENTRAL   9 H AHEAD OF UTC APR 1 - SEP 30
+USSR CENTRAL SIB    9 H AHEAD OF UTC IN WINTER; YAKUTSK
+USSR CENTRAL SIB   10 H AHEAD OF UTC APR 1 - SEP 30
+USSR CENTRAL SIB   10 H AHEAD OF UTC IN WINTER; VLADIVOSTOK
+USSR CENTRAL SIB   11 H AHEAD OF UTC APR 1 - SEP 30
+USSR EAST SIBERIA  11 H AHEAD OF UTC IN WINTER; MAGADAN
+USSR EAST SIBERIA  12 H AHEAD OF UTC APR 1 - SEP 30
+USSR EAST SIBERIA  12 H AHEAD OF UTC IN WINTER; PETROPAVLOVSK
+USSR EAST SIBERIA  13 H AHEAD OF UTC APR 1 - SEP 30
+USSR EAST SIBERIA  13 H AHEAD OF UTC IN WINTER; UELEN
+USSR EAST SIBERIA  14 H AHEAD OF UTC APR 1 - SEP 30
+WALES               SEE ENGLAND
diff --git a/commands/zoneinfo/usno1989 b/commands/zoneinfo/usno1989
new file mode 100644
index 000000000..6af33c0ab
--- /dev/null
+++ b/commands/zoneinfo/usno1989
@@ -0,0 +1,452 @@
+# @(#)usno1989	7.2
+#
+# From Arthur David Olson (1989-01-19):
+#
+# Here's time zone information from the United States Naval Observatory;
+# no corrections have been made, and there are some obvious challenges.
+# The USNO warns:
+#	DUE TO FREQUENT CHANGES IN THE LOCAL LAWS GOVERNING DAYLIGHT
+#	SAVING TIME, WE CANNOT GUARANTEE THE ACCURACY OF THIS
+#	INFORMATION.  PLEASE ALERT US TO ANY DISCREPANCY YOU MAY
+#	DISCOVER.
+#
+AFGHANISTAN         4.5H AHEAD OF UTC
+ALBANIA             1 H  AHEAD OF UTC
+ALBANIA             2 H  AHEAD OF UTC  MAR 27 - SEP 24
+ALBANIA                                (ESTIMATED)
+ALGERIA             1 H  AHEAD OF UTC
+AMERICAN SAMOA     11 H  BEHIND UTC
+ANDORRA             1 H  AHEAD OF UTC
+ANDORRA             2 H  AHEAD OF UTC  MAR 27 - SEP 24
+ANDORRA                                (ESTIMATED)
+ANGOLA              1 H  AHEAD OF UTC
+ARGENTINA           3 H  BEHIND UTC
+ARUBA               4 H  BEHIND UTC    ALSO BONAIRE, CURACAO,
+ARUBA                                  ST.MAARTEN
+AUSTRALIA  WEST     8 H  AHEAD OF UTC  PERTH, EXMOUTH
+AUSTRALIA  N.T.     9.5H AHEAD OF UTC  DARWIN  NO ADVANCED TIME
+AUSTRALIA  N.T.                                IN SUMMER
+AUSTRALIA  SOUTH    9.5H AHEAD OF UTC  ADELAIDE
+AUSTRALIA                              INCLUDING BROKEN HILL, NSW
+AUSTRALIA  SOUTH   10.5H AHEAD OF UTC  ADELAIDE OCT 30, '88-MAR
+AUSTRALIA  SOUTH                       18, '89 INCLUDING BROKEN
+AUSTRIALIA SOUTH                       HILL, NSW
+AUSTRALIA  QUEENL  10 H  AHEAD OF UTC
+AUSTRALIA  NSW     10 H  AHEAD OF UTC  SYDNEY
+AUSTRALIA  NSW     11 H  AHEAD OF UTC  SYDNEY OCT 30, '88-MAR 18,
+AUSTRALIA  NSW                         '89
+AUSTRALIA  TASM.   10 H  AHEAD OF UTC  HOBART
+AUSTRALIA  TASM.   11 H  AHEAD OF UTC  HOBART OCT 30, '88-MAR 18,
+AUSTRALIA  TASM.                       '89
+AUSTRIA             1 H  AHEAD OF UTC
+AUSTRIA             2 H  AHEAD OF UTC  MAR 27 - SEPT 24
+AZORES                   SEE PORTUGAL
+BAHAMAS             5 H  BEHIND UTC    EXCLUDING TURKS AND CAICOS
+BAHAMAS                                ISLANDS)
+BAHAMAS             4 H  BEHIND UTC    APR 3 - OCT 29 (SAME
+BAHAMAS                                EXCLUSION)
+BAHRAIN             3 H  AHEAD OF UTC
+BANGLADESH          6 H  AHEAD OF UTC
+BARBADOS            4 H  BEHIND UTC
+BELGIUM             1 H  AHEAD OF UTC
+BELGIUM             2 H  AHEAD OF UTC  MAR 27 - SEP 24
+BELIZE              6 H  BEHIND UTC
+BENIN PEOPLES REP   1 H  AHEAD OF UTC  DAHOMEY
+BERMUDA             4 H  BEHIND UTC
+BERMUDA             3 H  BEHIND UTC    APR 3 - OCT 29
+BHUTAN              6 H  AHEAD OF UTC
+BOLIVIA             4 H  BEHIND UTC
+BONAIRE             4 H  BEHIND UTC    ALSO ARUBA,CURACAO,
+BONAIRE                                ST.MAARTEN, SABA
+BOTSWANA            2 H  AHEAD OF UTC
+BRAZIL     WEST     5 H  BEHIND UTC    TERRITORY OF ACRE
+BRAZIL     WEST     4 H  BEHIND UTC    ACRE OCT 23, '88-FEB 11,
+BRAZIL                                 '89 (ESTIMATED)
+BRAZIL     CENTRAL  4 H  BEHIND UTC    MANAUS
+BRAZIL     CENTRAL  3 H  BEHIND UTC    MANAUS OCT 23, '88-FEB 11,
+BRAZIL     CENTRAL                     '89 (ESTIMATED)
+BRAZIL     EAST     3 H  BEHIND UTC    COASTAL STATES, RIO, SAO
+BRAZIL     EAST                        PAULO, BRASILIA
+BRAZIL     EAST     2 H  BEHIND UTC    COASTAL STATES, RIO, SAO
+BRAZIL                                 PAULO, BRASILIA OCT 23,
+BRAZIL                                 '88-FEB 11, '89
+BRAZIL                                 (ESTIMATED)
+BRAZIL              2 H  BEHIND UTC    ATLANTIC ISLANDS, FERNANDO
+BRAZIL                                 DE NORONHA
+BRAZIL              1 H  BEHIND UTC    OCT 23, '88-FEB 11, '89
+BRAZIL                                 (ESTIMATED)
+BRAZIL              3 H  BEHIND UTC    FOR MOST MAJOR AIRPORTS.
+BRITISH VIRGIN I.   4 H  BEHIND UTC
+BRUNEI              8 H  AHEAD OF UTC
+BULGARIA            2 H  AHEAD OF UTC
+BULGARIA            3 H  AHEAD OF UTC  MAR 27 - SEP 24
+BURKINA FASO        ON UTC
+BURMA               6.5H AHEAD OF UTC
+BURUNDI             2 H  AHEAD OF UTC
+CAMBODIA            SEE KAMPUCHEA
+CAMEROON            1 H  AHEAD OF UTC
+CANADA   NEW FDL    3.5H BEHIND UTC    ST.JOHN'S
+CANADA   NEW FDL    1.5H BEHIND UTC    APR 3 - OCT 29
+CANADA   ATLANTIC   4 H  BEHIND UTC    HALIFAX
+CANADA   ATLANTIC   3 H  BEHIND UTC    APR 3 - OCT 29
+CANADA   EASTERN    5 H  BEHIND UTC    TORONTO, MONTREAL, OTTAWA
+CANADA   EASTERN    4 H  BEHIND UTC    APR 3 - OCT 29
+CANADA   CENTRAL    6 H  BEHIND UTC    REGINA, WINNIPEG
+CANADA   CENTRAL    5 H  BEHIND UTC    APR 3 - OCT 29
+CANADA   MOUNTAIN   7 H  BEHIND UTC    CALGARY, EDMONTON
+CANADA   MOUNTAIN   6 H  BEHIND UTC    APR 3 - OCT 29
+CANADA   PACIFIC    8 H  BEHIND UTC    VANCOUVER
+CANADA   PACIFIC    7 H  BEHIND UTC    APR 3 - OCT 29
+CANADA   YUKON      SAME AS PACIFIC    DAWSON
+CAPE VERDE          1 H  BEHIND UTC
+CAYMAN ISLANDS      5 H  BEHIND UTC
+CAROLINE ISLAND    10 H  AHEAD OF UTC  EXCLUDING PONAPE IS.,
+CAROLINE ISLAND                       KUSAIE, AND PINGELAP
+CENTRAL AFRICA      1 H  AHEAD OF UTC
+CEYLON              5.5H AHEAD OF UTC, SEE SRI LANKA
+CHAD                1 H  AHEAD OF UTC
+CHANNEL ISLANDS     SEE ENGLAND
+CHILE               4 H  BEHIND UTC    CONTINENTAL
+CHILE               3 H  BEHIND UTC    OCT 9, '88-MAR 11, '89
+CHILE               6 H  BEHIND UTC    EASTER ISLAND
+CHILE               5 H  BEHIND UTC    OCT 9, '88-MAR 11, '89
+CHINA               8 H  AHEAD OF UTC  ALL OF CHINA, INCL TAIWAN
+CHINA               9 H  AHEAD OF UTC  APR 17 - SEP 10
+COCOS (Keeling) I.  6.5H AHEAD OF UTC
+COLOMBIA            5 H  BEHIND UTC
+COMOROS             3 H  AHEAD OF UTC
+CONGO               1 H  AHEAD OF UTC
+COOK ISLANDS       10 H  BEHIND UTC
+COOK ISLANDS        9.5H  BEHIND UTC   OCT 30, '88-MAR 24, '89
+COOK ISLANDS                           (ESTIMATED)
+COSTA RICA          6 H  BEHIND UTC
+COTE D'IVOIRE       ON UTC
+CUBA                5 H  BEHIND UTC
+CUBA                4 H  BEHIND UTC    MAR 20 - OCT 8
+CURACAO             4 H  BEHIND UTC    ALSO BONAIRE, ARUBA,
+CURACAO                                ST.MAARTEN
+CYPRUS              2 H  AHEAD OF UTC
+CYPRUS              3 H  AHEAD OF UTC  MAR 27 - SEP 24
+CZECHOSLOVAKIA      1 H  AHEAD OF UTC
+CZECHOSLOVAKIA      2 H  AHEAD OF UTC  MAR 27 - SEP 24
+DENMARK             1 H  AHEAD OF UTC
+DENMARK             2 H  AHEAD OF UTC  MAR 27 - SEP 24
+DENMK. FAEROE IS    1 H  AHEAD OF UTC  MAR 27 - SEP 24
+DJIBOUTI            3 H  AHEAD OF UTC
+DOMINICA            4 H  BEHIND UTC
+DOMINICAN REP       4 H  BEHIND UTC
+ECUADOR             5 H  BEHIND UTC    CONTINENTAL
+ECUADOR             6 H  BEHIND UTC    GALAPAGOS ISLANDS
+EGYPT               2 H  AHEAD OF UTC
+EGYPT               3 H  AHEAD OF UTC  MAY 17 - SEP 30 (AFTER
+EGYPT                                  RAMADAN)
+EL SALVADOR         6 H  BEHIND UTC
+ENGLAND             ON UTC             (WALES, SCOTLAND, N.I.,
+ENGLAND                                CH. IS.)
+ENGLAND             1 H  AHEAD OF UTC  MAR 27 - OCT 22
+ENEZUELA           4 H  BEHIND UTC
+EQUITORIAL GUINEA   1 H  AHEAD OF UTC
+ETHIOPIA            3 H  AHEAD OF UTC
+FALKLAND ISLANDS    4 H  BEHIND UTC
+FALKLAND ISLANDS    3 H  BEHIND UTC    SEP 11, '88-APR 15, '89
+FALKLAND ISLANDS                       (ESTIMATED)
+FAROE ISLAND        ON UTC
+FAROE ISLAND        1 H  AHEAD OF UTC  MAR 27 - SEP 24
+FIJI               12 H  AHEAD OF UTC
+FINLAND             2 H  AHEAD OF UTC
+FINLAND             3 H  AHEAD OF UTC  MAR 27 - SEP 24
+FRANCE              1 H  AHEAD OF UTC
+FRANCE              2 H  AHEAD OF UTC  MAR 27 - SEP 24
+FRENCH GUIANA       3 H  BEHIND UTC
+FRENCH POLYNESIA    9 H  BEHIND UTC    GAMBIER ISLAND
+FRENCH POLYNESIA    9.5H BEHIND UTC    MARQUESAS ISLANDS
+FRENCH POLYNESIA   10 H  BEHIND UTC    SOCIETY ISLANDS, TUBUAI
+FRENCH POLYNESIA                       ISLANDS, TUAMOTU ISLAND,
+FRENCH POLYNESIA                       TAHITI
+GABON               1 H  AHEAD OF UTC
+GAMBIA              ON UTC
+GERMANY ALL         1 H  AHEAD OF UTC
+GERMANY ALL         2 H  AHEAD OF UTC  MAR 27 - SEP 24
+GHANA               ON UTC
+GIBRALTAR           1 H  AHEAD OF UTC
+GIBRALTAR           2 H  AHEAD OF UTC  MAR 27 - SEP 24
+GREECE              2 H  AHEAD OF UTC
+GREECE              3 H  AHEAD OF UTC  MAR 27 - SEP 24
+GREENLAND           4 H  BEHIND UTC    THULE AIRBASE YEAR ROUND
+GREENLAND           3 H  BEHIND UTC    ANGMAGSSALIK AND W. COAST
+GREENLAND           2 H  BEHIND UTC    MAR 27 - SEP 24
+GREENLAND           1 H  BEHIND UTC    SCORESBYSUND
+GREENLAND           ON UTC             MAR 27 - SEP 24
+GRENADA             4 H  BEHIND UTC
+GUADELOUPE          4 H  BEHIND UTC    ST. BARTHELEMY, NORTHERN
+GUADELOUPE                             ST. MARTIN MARTINIQUE
+GUAM               10 H  AHEAD OF UTC
+GUATEMALA           6 H  BEHIND UTC
+GUINEA              ON UTC
+GUINEA BISSAU       ON UTC
+GUINEA REPUBLIC     ON UTC
+GUINEA EQUATORIAL   1 H  AHEAD OF UTC
+GUYANA              3 H  BEHIND UTC
+HAITI               5 H  BEHIND UTC
+HAITI               4 H  BEHIND UTC    APR 3 - OCT 29
+HOLLAND             SEE NETHERLANDS
+HONDURAS            6 H  BEHIND UTC
+HONG KONG           8 H  AHEAD OF UTC
+HUNGARY             1 H  AHEAD OF UTC
+HUNGARY             2 H  AHEAD OF UTC  MAR 27 - SEP 24
+ICELAND             ON UTC
+INDIA               5.5H AHEAD OF UTC  INCLUDING ANDAMAN ISLANDS
+INDONESIA WEST      7 H  AHEAD OF UTC  SUMATRA, JAVA, BALI,
+INDONESIA WEST                         JAKARTA
+INDONESIA CENTRAL   8 H  AHEAD OF UTC  KALIMANTAN, SULAWESI
+INDONESIA EAST      9 H  AHEAD OF UTC  IRIAN, BARAT
+IRAN                3.5H AHEAD OF UTC
+IRAQ                3 H  AHEAD OF UTC
+IRAQ                4 H  AHEAD OF UTC  APR 1 - SEP 30
+IRELAND             ON UTC
+IRELAND             1 H  AHEAD OF UTC  MAR 27 - OCT 22
+ISRAEL              2 H  AHEAD OF UTC
+ISRAEL              3 H  AHEAD OF UTC  APR 10 - SEP 3
+ITALY               1 H  AHEAD OF UTC
+ITALY               2 H  AHEAD OF UTC  MAR 27 - SEP 24
+IVORY COAST         ON UTC
+IWAN              8 H  AHEAD OF UTC
+JAMAICA             5 H  BEHIND UTC
+JAPAN               9 H  AHEAD OF UTC
+JOHNSTON ISLAND    10 H  BEHIND UTC
+JORDAN              2 H  AHEAD OF UTC
+JORDAN              3 H  AHEAD OF UTC  APR 1 - OCT 6
+KAMPUCHEA           7 H  AHEAD OF UTC
+KENYA               3 H  AHEAD OF UTC
+KIRIBATI, REP OF   12 H  AHEAD OF UTC  CANTON, ENDERBURY ISLANDS
+KIRIBATI, REP OF   11 H  AHEAD OF UTC  CHRISTMAS ISLAND
+KOREA               9 H  AHEAD OF UTC
+KOREA, REP OF       9 H  AHEAD OF UTC
+KOREA, REP OF      10 H  AHEAD OF UTC  MAY 8 - OCT 8
+KUWAIT              3 H  AHEAD OF UTC
+KUSAIE, PINGELAP  12 H  AHEAD OF UTC  INCLUDING MARSHALL IS.,
+KUSAIE, PINGELAP                      EXCLUDING KWAJALEIN)
+KWAJALEIN         12 H  BEHIND UTC
+LAOS                7 H  AHEAD OF UTC
+LEBANON             2 H  AHEAD OF UTC
+LEBANON             3 H  AHEAD OF UTC  JUN 1 - OCT 31
+LEEWARD ISLANDS     4 H BEHIND UTC     ANTIGUA, DOMINICA,
+LEEWARD ISLANDS                        MONTSERRAT, ST.
+LEEWARD ISLAANDS                       CHRISTOPHER, ST. KITTS,
+LEEWARD ISLANDS                        NEVIS, ANGUILLA
+LESOTHO             2 H  AHEAD OF UTC
+LIBERIA             ON UTC
+LIBYAN ARAB         1 H  AHEAD OF UTC  JAMAHIRIYA/LIBYA
+LIBYAN ARAB         2 H  AHEAD OF UTC  APR 1 - SEP 30 JAMAHIRIYA/LIBYA
+LIECHTENSTEIN       1 H  AHEAD OF UTC
+LIECHTENSTEIN       2 H  AHEAD OF UTC  MAR 27 - SEP 24
+LUXEMBOURG          1 H  AHEAD OF UTC
+LUXEMBOURG          2 H  AHEAD OF UTC  MAR 27 - SEP 24
+MACAO               8 H  AHEAD OF UTC
+MADAGASCAR          3 H  AHEAD OF UTC
+MADEIRA             SEE PORTUGAL
+MALAWI              2 H  AHEAD OF UTC
+MALAYSIA            8 H  AHEAD OF UTC
+MALDIVES            5 H  AHEAD OF UTC
+MALI                ON UTC
+MALTA               1 H  AHEAD OF UTC
+MALTA               2 H  AHEAD OF UTC  MAR 27 - SEP 24
+MARTINIQUE          4 H  BEHIND UTC
+MAURITANIA          ON UTC
+MAURITIUS           4 H  AHEAD OF UTC
+MARIANA ISLAND    10 H  AHEAD OF UTC  EXCLUDING GUAM
+MEXICO BAJA CAL N   7 H  BEHIND UTC    BAJA CALIFORNIA SUR AND
+MEXICO BAJA CAL N                      N. PACIFIC COAST (STATES
+MEXICO BAJA CAL N                      OF SINALOA AND SONORA)
+MEXICO BAJA CAL N   8 H  BEHIND UTC    ABOVE 28TH PARALLAL APR 3
+MEXICO BAJA CAL N                      - OCT 29
+MEXICO BAJA CAL N   7 H  BEHIND UTC    ABOVE 28TH PARALLAL APR 3
+MEXICO BAJA CAL N                      - 0CT 29
+MEXICO              6 H  BEHIND UTC    STATES OF DURANGO,
+MEXICO                                 COAHUILA, NUEVO LEON,
+MEXICO                                 TAMAULIPAS
+MEXICO              5 H  BEHIND UTC    STATES OF DURANGO,
+MEXICO                                 COAHUILA, NUEVO LEON,
+MEXICO                                 TAMAULIPAS  APR 3 - OCT 29
+MEXICO              6 H  BEHIND UTC    GENERAL MEXICO, STATES OF
+MEXICO                                 CAMPECHE, QUINTANA ROO AND
+MEXICO                                 YUCATAN
+MIDWAY ISLAND      11 H  BEHIND UTC
+MONACO              1 H  AHEAD OF UTC
+MONACO              2 H  AHEAD OF UTC  MAR 27 - SEP 24
+MONGOLIA            8 H  AHEAD OF UTC
+MONGOLIA            9 H  AHEAD OF UTC  MAR 27 - SEP 24
+MONTSERRAT          4 H  BEHIND UTC
+MOROCCO             ON UTC
+MOZAMBIQUE          2 H  AHEAD OF UTC
+NAMIBIA             2 H  AHEAD OF UTC
+NAURU, REP OF      12 H  AHEAD OF UTC
+NEPAL              5H45M AHEAD OF UTC
+NETHERLANDS         1 H  AHEAD OF UTC
+NETHERLANDS         2 H  AHEAD OF UTC  MAR 27 - SEP 24
+NETHERLANDS         4 H  BEHIND UTC    ANTILLES AND SOUTHERN ST.
+NETHERLANDS                            MAARTEN
+NEW CALEDONIA      11 H  AHEAD OF UTC
+NEW HEBRIDES        SEE VANUATU
+NEW ZEALAND        12 H  AHEAD OF UTC  (EXCLUDING CHATHAM ISLAND)
+NEW ZEALAND        13 H  AHEAD OF UTC  OCT 30, '88-MAR 4, '89
+NEW ZEALAND       12H45M AHEAD OF UTC  CHATHAM ISLAND
+NICARAGUA           6 H  BEHIND UTC
+NIGER               1 H  AHEAD OF UTC
+NIGERIA             1 H  AHEAD OF UTC
+NIUE ISLAND        11 H  BEHIND UTC
+NORFOLK ISLAND    11H30M AHEAD OF UTC
+NORTHERN IRELAND    ON UTC             WALES, SCOTLAND, N.I.,
+NORTHERN IRELAND                       CH.IS.
+NORTHERN IRELAND    1 H  AHEAD OF UTC  MAR 27 - OCT 22
+NORWAY              1 H  AHEAD OF UTC
+NORWAY              2 H  AHEAD OF UTC  MAR 27 - SEP 24
+OGO                ON UTC
+OMAN                4 H  AHEAD OF UTC
+PACIFIC ISLAND T.T.
+PALAU ISLAND       9 H  AHEAD OF UTC
+PAKISTAN            5 H  AHEAD OF UTC
+PANAMA              5 H  BEHIND UTC
+PAPUA NEW GUINEA   10 H  AHEAD OF UTC  INCLUDING BOUGAINVILLE
+PAPUA NEW GUINEA                       ISLAND
+PARAGUAY            4 H  BEHIND UTC
+PARAGUAY            3 H  BEHIND UTC    OCT 1, '88-MAR 31, '89
+PERU                5 H  BEHIND UTC
+PHILIPPINES         8 H  AHEAD OF UTC
+PONAPE ISLAND     11 H  AHEAD OF UTC
+POLAND              1 H  AHEAD OF UTC
+POLAND              2 H  AHEAD OF UTC  MAR 27 - SEP 24
+PORTUGAL MAINLAND   ON UTC
+PORTUGAL MAINLAND   1 H  AHEAD OF UTC  MAR 27 - SEP 24
+PORTUGAL AZORES     1 H  BEHIND UTC
+PORTUGAL AZORES     ON UTC             MAR 27 - SEP 24
+PORTUGAL MADEIRA    ON UTC
+PORTUGAL MADEIRA    1 H  AHEAD OF UTC  MAR 27 - SEP 24
+PUERTO RICO         4 H  BEHIND UTC
+QATAR               3 H  AHEAD OF UTC
+ROMANIA             2 H  AHEAD OF UTC
+ROMANIA             3 H  AHEAD OF UTC  MAR 27 - SEP 24
+RUSSIA              SEE USSR
+RWANDA              2 H  AHEAD OF UTC
+SABA                4 H  BEHIND UTC    ALSO BONAIRE, CURACAO,
+SAMOA              11 H  BEHIND UTC
+SAN MARINO          1 H  AHEAD OF UTC
+SAN MARINO          2 H  AHEAD OF UTC  MAR 27 - SEP 24
+SAN SALVADOR        6  H  BEHIND UTC
+SAO TOME ISLAND     ON UTC             AND PRINCIPE ISLAND
+SAUDI ARABIA        3 H  AHEAD OF UTC
+SCOTLAND            SEE ENGLAND
+SENEGAL             ON UTC
+SEYCHELLES          4 H  AHEAD OF UTC
+SIERRA LEONE        ON UTC
+SINGAPORE           8 H  AHEAD OF UTC
+SOLOMON ISLANDS    11 H  AHEAD OF UTC  EXCLUDING BOUGAINVILLE
+SOLOMON ISLANDS                        ISLAND
+SOMALI              3 H  AHEAD OF UTC
+SOUTH AFRICA        2 H  AHEAD OF UTC
+SPAIN  CANARY IS    ON UTC
+SPAIN  CANARY IS    1 H  AHEAD OF UTC  MAR 27 - SEP 24
+SPAIN               1 H  AHEAD OF UTC  CONTINENTAL, BALEARIC AND
+SPAIN                                  MALLORCA ISLANDS
+SPAIN               2 H  AHEAD OF UTC  CONTINENTAL, BALEARIC AND
+SPAIN                                  MALLORCA ISLANDS  MAR 27 -
+SPAIN                                  SEP 24
+SPAIN  MAINLAND     1 H  AHEAD OF UTC  MELILLA
+SPAIN  MAINLAND     2 H  AHEAD OF UTC  MAR 27 - SEP 24
+SRI LANKA          5H30M AHEAD OF UTC
+ST.MAARTEN
+ST.KITTS-NEVIS     4 H  BEHIND UTC
+ST.LUCIA           4 H  BEHIND UTC
+ST.PIERRE          3 H  BEHIND UTC    INCLUDING MIQUELON
+ST.PIERRE          2 H  BEHIND UTC    INLCUDING MIQUELON  APR 3
+ST.PIERRE                             - OCT 29
+ST.VINCENT         4 H  BEHIND UTC    INCLUDING THE GRENADINES
+ST. HELENA          ON UTC
+SURINAME            3 H  BEHIND UTC
+SWAZILAND           2 H  AHEAD OF UTC
+SWEDEN              1 H  AHEAD OF UTC
+SWEDEN              2 H  AHEAD OF UTC  MAR 27 - SEP 24
+SWITZERLAND         1 H  AHEAD OF UTC
+SWITZERLAND         2 H  AHEAD OF UTC  MAR 27 - SEP 24
+SYRIA               2 H  AHEAD OF UTC
+SYRIA               3 H  AHEAD OF UTC  MAR 15 - OCT 30
+TAHITI             10 H  BEHIND UTC
+TANZANIA            3 H  AHEAD OF UTC
+THAILAND            7 H  AHEAD OF UTC
+TRINIDAD / TOBAGO   4 H  BEHIND UTC
+TUNISIA             1 H  AHEAD OF UTC
+TUNISIA             2 H  AHEAD OF UTC  APR 10 - SEP 24
+TURKEY              2 H  AHEAD OF UTC
+TURKEY              3 H  AHEAD OF UTC  MAR 27 - SEP 24
+TURKS AND CAICOS    5 H  BEHIND UTC
+TURKS AND CAICOS    4 H  BEHIND UTC    APR 3 - OCT 29
+TUVALU             12 H  AHEAD OF UTC
+UDAN               2 H  AHEAD OF UTC
+UGANDA              3 H  AHEAD OF UTC
+UNITED ARAB EMIR.   4 H  AHEAD OF UTC  ABU DHABI, DUBAI, SHARJAH,
+UNITED ARAB EMIR                       RAS AL KHAIMAH
+UNITED KINGDOM      ON UTC             WALES, SCOTLAND, N.I., CH.
+UNITED KINGDOM                         IS.
+UNITED KINGDOM      1 H  AHEAD OF UTC  MAR 27 - OCT 22
+UNITED STATES       SEE USA
+UPPER VOLTA         ON UTC
+URUGUAY             3 H  BEHIND UTC
+URUGUAY             2 H  BEHIND UTC    DEC 11, '88-FEB 25, '89
+URAGUAY                                (ESTIMATED)
+USA  EASTERN       5 H  BEHIND UTC    NEW YORK, WASHINGTON
+USA  EASTERN       4 H  BEHIND UTC    APR 3 - OCT 30
+USA  CENTRAL       6 H  BEHIND UTC    CHICAGO, HOUSTON
+USA  CENTRAL       5 H  BEHIND UTC    APR 3 - OCT 30
+USA  MOUNTAIN      7 H  BEHIND UTC    DENVER
+USA  MOUNTAIN      6 H  BEHIND UTC    APR 3 - OCT 30
+USA  PACIFIC       8 H  BEHIND UTC    L.A., SAN FRANCISCO
+USA  PACIFIC       7 H  BEHIND UTC    APR 3 - OCT 30
+USA  ALASKA STD    9 H  BEHIND UTC    MOST OF ALASKA     (AKST)
+USA  ALASKA STD    8 H  BEHIND UTC    APR 3 - OCT 30 (AKDT)
+USA  ALEUTIAN     10 H  BEHIND UTC    ISLANDS WEST OF 170W
+USA  - " -         9 H  BEHIND UTC    APR 3 - OCT 30
+USA  HAWAII       10 H  BEHIND UTC
+USA  BERING       11 H  BEHIND UTC    SAMOA, MIDWAY
+USA  FOR SPECIFIC INFO ON USA ZONES/TIMES CALL DOT 202-426-4520
+USSR WEST EUROP     3 H  AHEAD OF UTC  LENINGRAD, MOSCOW
+USSR WEST EUROP     4 H  AHEAD OF UTC  APR 1 - SEP 30
+USSR CENTRAL EUR    4 H  AHEAD OF UTC  ROSTOV, BAKU
+USSR CENTRAL EUR    5 H  AHEAD OF UTC  APR 1 - SEP 30
+USSR EAST EUROP     5 H  AHEAD OF UTC  SVERDLOVSK
+USSR EAST EUROP     6 H  AHEAD OF UTC  APR 1 - SEP 30
+USSR WEST SIBERIAN  6 H  AHEAD OF UTC  TASHKENT, ALMA ATA
+USSR WEST SIBERIAN  7 H  AHEAD OF UTC  APR 1 - SEP 30
+USSR WEST-CENTRAL   7 H  AHEAD OF UTC  NOVOSIBIRSK
+USSR WEST-CENTRAL   8 H  AHEAD OF UTC  APR 1 - SEP 30
+USSR WEST-CENTRAL   8 H  AHEAD OF UTC  IRKUTSK
+USSR WEST-CENTRAL   9 H  AHEAD OF UTC  APR 1 - SEP 30
+USSR CENTRAL SIB    9 H  AHEAD OF UTC  YAKUTSK
+USSR CENTRAL SIB   10 H  AHEAD OF UTC  APR 1 - SEP 30
+USSR CENTRAL SIB   10 H  AHEAD OF UTC  VLADIVOSTOK
+USSR CENTRAL SIB   11 H  AHEAD OF UTC  APR 1 - SEP 30
+USSR EAST SIBERIA  11 H  AHEAD OF UTC  MAGADAN
+USSR EAST SIBERIA  12 H  AHEAD OF UTC  APR 1 - SEP 30
+USSR EAST SIBERIA  12 H  AHEAD OF UTC  PETROPAVLOVSK
+USSR EAST SIBERIA  13 H  AHEAD OF UTC  APR 1 - SEP 30
+USSR EAST SIBERIA  13 H  AHEAD OF UTC  UELEN
+USSR EAST SIBERIA  14 H  AHEAD OF UTC  APR 1 - SEP 30
+VANUATU            11 H  AHEAD OF UTC  (NEW HEBRIDES)
+VANUATU            12 H  AHEAD OF UTC  SEP 25, '88-MAR 25, '89
+VANUATU                                (ESTIMATED)
+VATICAN             1 H  AHEAD OF UTC
+VATICAN             2 H  AHEAD OF UTC  MAR 27 - SEP 24
+VIETNAM             7 H  AHEAD OF UTC
+VIRGIN ISLANDS      4 H  BEHIND UTC    ST.CROIX, ST.THOMAS,
+VIRGIN ISLANDS                         ST.JOHN
+WAKE ISLAND        12 H  AHEAD OF UTC
+WALES               SEE ENGLAND
+WALLIS/FUTUNA IS.  12 H  AHEAD OF UTC
+WINDWARD ISLANDS    4 H  BEHIND UTC    GRENADA, ST. LUCIA
+YEMEN               3 H  AHEAD OF UTC  BOTH REPUBLICS
+YUGOSLAVIA          1 H  AHEAD OF UTC
+YUGOSLAVIA          2 H  AHEAD OF UTC  MAR 27 - SEP 24
+ZAIRE  EAST         1 H  AHEAD OF UTC  KINSHASA MBANDAKA
+ZAIRE  WEST         2 H  AHEAD OF UTC  LUBUMBASHI, KASAI, KIVU,
+ZAIRE  WEST                            HAUT-ZAIRE, SHABA
+ZAMBIA              2 H  AHEAD OF UTC
+ZIMBABWE            2 H  AHEAD OF UTC
diff --git a/commands/zoneinfo/usno1989a b/commands/zoneinfo/usno1989a
new file mode 100644
index 000000000..30d100b80
--- /dev/null
+++ b/commands/zoneinfo/usno1989a
@@ -0,0 +1,452 @@
+# @(#)usno1989a	7.4
+#
+# From Arthur David Olson (1994-02-07):
+#
+# Here's time zone information from the United States Naval Observatory,
+# with corrections from Paul Eggert.
+# The USNO warns:
+#	DUE TO FREQUENT CHANGES IN THE LOCAL LAWS GOVERNING DAYLIGHT
+#	SAVING TIME, WE CANNOT GUARANTEE THE ACCURACY OF THIS
+#	INFORMATION.  PLEASE ALERT US TO ANY DISCREPANCY YOU MAY
+#	DISCOVER.
+#
+AFGHANISTAN         4.5H AHEAD OF UTC
+ALBANIA             1 H  AHEAD OF UTC
+ALBANIA             2 H  AHEAD OF UTC  MAR 27 - SEP 24
+ALBANIA                                (ESTIMATED)
+ALGERIA             1 H  AHEAD OF UTC
+AMERICAN SAMOA     11 H  BEHIND UTC
+ANDORRA             1 H  AHEAD OF UTC
+ANDORRA             2 H  AHEAD OF UTC  MAR 27 - SEP 24
+ANDORRA                                (ESTIMATED)
+ANGOLA              1 H  AHEAD OF UTC
+ARGENTINA           3 H  BEHIND UTC
+ARUBA               4 H  BEHIND UTC    ALSO BONAIRE, CURACAO,
+ARUBA                                  ST.MAARTEN
+AUSTRALIA  WEST     8 H  AHEAD OF UTC  PERTH, EXMOUTH
+AUSTRALIA  N.T.     9.5H AHEAD OF UTC  DARWIN  NO ADVANCED TIME
+AUSTRALIA  N.T.                                IN SUMMER
+AUSTRALIA  SOUTH    9.5H AHEAD OF UTC  ADELAIDE
+AUSTRALIA                              INCLUDING BROKEN HILL, NSW
+AUSTRALIA  SOUTH   10.5H AHEAD OF UTC  ADELAIDE OCT 30, '88-MAR
+AUSTRALIA  SOUTH                       18, '89 INCLUDING BROKEN
+AUSTRIALIA SOUTH                       HILL, NSW
+AUSTRALIA  QUEENL  10 H  AHEAD OF UTC
+AUSTRALIA  NSW     10 H  AHEAD OF UTC  SYDNEY
+AUSTRALIA  NSW     11 H  AHEAD OF UTC  SYDNEY OCT 30, '88-MAR 18,
+AUSTRALIA  NSW                         '89
+AUSTRALIA  TASM.   10 H  AHEAD OF UTC  HOBART
+AUSTRALIA  TASM.   11 H  AHEAD OF UTC  HOBART OCT 30, '88-MAR 18,
+AUSTRALIA  TASM.                       '89
+AUSTRIA             1 H  AHEAD OF UTC
+AUSTRIA             2 H  AHEAD OF UTC  MAR 27 - SEPT 24
+AZORES                   SEE PORTUGAL
+BAHAMAS             5 H  BEHIND UTC    EXCLUDING TURKS AND CAICOS
+BAHAMAS                                ISLANDS)
+BAHAMAS             4 H  BEHIND UTC    APR 3 - OCT 29 (SAME
+BAHAMAS                                EXCLUSION)
+BAHRAIN             3 H  AHEAD OF UTC
+BANGLADESH          6 H  AHEAD OF UTC
+BARBADOS            4 H  BEHIND UTC
+BELGIUM             1 H  AHEAD OF UTC
+BELGIUM             2 H  AHEAD OF UTC  MAR 27 - SEP 24
+BELIZE              6 H  BEHIND UTC
+BENIN PEOPLES REP   1 H  AHEAD OF UTC  DAHOMEY
+BERMUDA             4 H  BEHIND UTC
+BERMUDA             3 H  BEHIND UTC    APR 3 - OCT 29
+BHUTAN              6 H  AHEAD OF UTC
+BOLIVIA             4 H  BEHIND UTC
+BONAIRE             4 H  BEHIND UTC    ALSO ARUBA,CURACAO,
+BONAIRE                                ST.MAARTEN, SABA
+BOTSWANA            2 H  AHEAD OF UTC
+BRAZIL     WEST     5 H  BEHIND UTC    TERRITORY OF ACRE
+BRAZIL     WEST     4 H  BEHIND UTC    ACRE OCT 23, '88-FEB 11,
+BRAZIL                                 '89 (ESTIMATED)
+BRAZIL     CENTRAL  4 H  BEHIND UTC    MANAUS
+BRAZIL     CENTRAL  3 H  BEHIND UTC    MANAUS OCT 23, '88-FEB 11,
+BRAZIL     CENTRAL                     '89 (ESTIMATED)
+BRAZIL     EAST     3 H  BEHIND UTC    COASTAL STATES, RIO, SAO
+BRAZIL     EAST                        PAULO, BRASILIA
+BRAZIL     EAST     2 H  BEHIND UTC    COASTAL STATES, RIO, SAO
+BRAZIL                                 PAULO, BRASILIA OCT 23,
+BRAZIL                                 '88-FEB 11, '89
+BRAZIL                                 (ESTIMATED)
+BRAZIL              2 H  BEHIND UTC    ATLANTIC ISLANDS, FERNANDO
+BRAZIL                                 DE NORONHA
+BRAZIL              1 H  BEHIND UTC    OCT 23, '88-FEB 11, '89
+BRAZIL                                 (ESTIMATED)
+BRAZIL              3 H  BEHIND UTC    FOR MOST MAJOR AIRPORTS.
+BRITISH VIRGIN I.   4 H  BEHIND UTC
+BRUNEI              8 H  AHEAD OF UTC
+BULGARIA            2 H  AHEAD OF UTC
+BULGARIA            3 H  AHEAD OF UTC  MAR 27 - SEP 24
+BURKINA FASO        ON UTC
+BURMA               6.5H AHEAD OF UTC
+BURUNDI             2 H  AHEAD OF UTC
+CAMBODIA            SEE KAMPUCHEA
+CAMEROON            1 H  AHEAD OF UTC
+CANADA   NEW FDL    3.5H BEHIND UTC    ST.JOHN'S
+CANADA   NEW FDL    1.5H BEHIND UTC    APR 3 - OCT 29
+CANADA   ATLANTIC   4 H  BEHIND UTC    HALIFAX
+CANADA   ATLANTIC   3 H  BEHIND UTC    APR 3 - OCT 29
+CANADA   EASTERN    5 H  BEHIND UTC    TORONTO, MONTREAL, OTTAWA
+CANADA   EASTERN    4 H  BEHIND UTC    APR 3 - OCT 29
+CANADA   CENTRAL    6 H  BEHIND UTC    REGINA, WINNIPEG
+CANADA   CENTRAL    5 H  BEHIND UTC    APR 3 - OCT 29
+CANADA   MOUNTAIN   7 H  BEHIND UTC    CALGARY, EDMONTON
+CANADA   MOUNTAIN   6 H  BEHIND UTC    APR 3 - OCT 29
+CANADA   PACIFIC    8 H  BEHIND UTC    VANCOUVER
+CANADA   PACIFIC    7 H  BEHIND UTC    APR 3 - OCT 29
+CANADA   YUKON      SAME AS PACIFIC    DAWSON
+CAPE VERDE          1 H  BEHIND UTC
+CAYMAN ISLANDS      5 H  BEHIND UTC
+CAROLINE ISLAND    10 H  AHEAD OF UTC  EXCLUDING PONAPE IS.,
+CAROLINE ISLAND                        KUSAIE, AND PINGELAP
+CENTRAL AFRICA      1 H  AHEAD OF UTC
+CEYLON              5.5H AHEAD OF UTC, SEE SRI LANKA
+CHAD                1 H  AHEAD OF UTC
+CHANNEL ISLANDS     SEE ENGLAND
+CHILE               4 H  BEHIND UTC    CONTINENTAL
+CHILE               3 H  BEHIND UTC    OCT 9, '88-MAR 11, '89
+CHILE               6 H  BEHIND UTC    EASTER ISLAND
+CHILE               5 H  BEHIND UTC    OCT 9, '88-MAR 11, '89
+CHINA               8 H  AHEAD OF UTC  ALL OF CHINA, INCL TAIWAN
+CHINA               9 H  AHEAD OF UTC  APR 17 - SEP 10
+COCOS (Keeling) I.  6.5H AHEAD OF UTC
+COLOMBIA            5 H  BEHIND UTC
+COMOROS             3 H  AHEAD OF UTC
+CONGO               1 H  AHEAD OF UTC
+COOK ISLANDS       10 H  BEHIND UTC
+COOK ISLANDS        9.5H BEHIND UTC    OCT 30, '88-MAR 24, '89
+COOK ISLANDS                           (ESTIMATED)
+COSTA RICA          6 H  BEHIND UTC
+COTE D'IVOIRE       ON UTC
+CUBA                5 H  BEHIND UTC
+CUBA                4 H  BEHIND UTC    MAR 20 - OCT 8
+CURACAO             4 H  BEHIND UTC    ALSO BONAIRE, ARUBA,
+CURACAO                                ST.MAARTEN
+CYPRUS              2 H  AHEAD OF UTC
+CYPRUS              3 H  AHEAD OF UTC  MAR 27 - SEP 24
+CZECHOSLOVAKIA      1 H  AHEAD OF UTC
+CZECHOSLOVAKIA      2 H  AHEAD OF UTC  MAR 27 - SEP 24
+DENMARK             1 H  AHEAD OF UTC
+DENMARK             2 H  AHEAD OF UTC  MAR 27 - SEP 24
+DENMK. FAEROE IS    1 H  AHEAD OF UTC  MAR 27 - SEP 24
+DJIBOUTI            3 H  AHEAD OF UTC
+DOMINICA            4 H  BEHIND UTC
+DOMINICAN REP       4 H  BEHIND UTC
+ECUADOR             5 H  BEHIND UTC    CONTINENTAL
+ECUADOR             6 H  BEHIND UTC    GALAPAGOS ISLANDS
+EGYPT               2 H  AHEAD OF UTC
+EGYPT               3 H  AHEAD OF UTC  MAY 17 - SEP 30 (AFTER
+EGYPT                                  RAMADAN)
+EL SALVADOR         6 H  BEHIND UTC
+ENGLAND             ON UTC             (WALES, SCOTLAND, N.I.,
+ENGLAND                                CH. IS.)
+ENGLAND             1 H  AHEAD OF UTC  MAR 27 - OCT 22
+EQUATORIAL GUINEA   1 H  AHEAD OF UTC
+ETHIOPIA            3 H  AHEAD OF UTC
+FALKLAND ISLANDS    4 H  BEHIND UTC
+FALKLAND ISLANDS    3 H  BEHIND UTC    SEP 11, '88-APR 15, '89
+FALKLAND ISLANDS                       (ESTIMATED)
+FAROE ISLAND        ON UTC
+FAROE ISLAND        1 H  AHEAD OF UTC  MAR 27 - SEP 24
+FIJI               12 H  AHEAD OF UTC
+FINLAND             2 H  AHEAD OF UTC
+FINLAND             3 H  AHEAD OF UTC  MAR 27 - SEP 24
+FRANCE              1 H  AHEAD OF UTC
+FRANCE              2 H  AHEAD OF UTC  MAR 27 - SEP 24
+FRENCH GUIANA       3 H  BEHIND UTC
+FRENCH POLYNESIA    9 H  BEHIND UTC    GAMBIER ISLAND
+FRENCH POLYNESIA    9.5H BEHIND UTC    MARQUESAS ISLANDS
+FRENCH POLYNESIA   10 H  BEHIND UTC    SOCIETY ISLANDS, TUBUAI
+FRENCH POLYNESIA                       ISLANDS, TUAMOTU ISLAND,
+FRENCH POLYNESIA                       TAHITI
+GABON               1 H  AHEAD OF UTC
+GAMBIA              ON UTC
+GERMANY ALL         1 H  AHEAD OF UTC
+GERMANY ALL         2 H  AHEAD OF UTC  MAR 27 - SEP 24
+GHANA               ON UTC
+GIBRALTAR           1 H  AHEAD OF UTC
+GIBRALTAR           2 H  AHEAD OF UTC  MAR 27 - SEP 24
+GREECE              2 H  AHEAD OF UTC
+GREECE              3 H  AHEAD OF UTC  MAR 27 - SEP 24
+GREENLAND           4 H  BEHIND UTC    THULE AIRBASE YEAR ROUND
+GREENLAND           3 H  BEHIND UTC    ANGMAGSSALIK AND W. COAST
+GREENLAND           2 H  BEHIND UTC    MAR 27 - SEP 24
+GREENLAND           1 H  BEHIND UTC    SCORESBYSUND
+GREENLAND           ON UTC             MAR 27 - SEP 24
+GRENADA             4 H  BEHIND UTC
+GUADELOUPE          4 H  BEHIND UTC    ST. BARTHELEMY, NORTHERN
+GUADELOUPE                             ST. MARTIN MARTINIQUE
+GUAM               10 H  AHEAD OF UTC
+GUATEMALA           6 H  BEHIND UTC
+GUINEA              ON UTC
+GUINEA BISSAU       ON UTC
+GUINEA REPUBLIC     ON UTC
+GUINEA EQUATORIAL   1 H  AHEAD OF UTC
+GUYANA              3 H  BEHIND UTC
+HAITI               5 H  BEHIND UTC
+HAITI               4 H  BEHIND UTC    APR 3 - OCT 29
+HOLLAND             SEE NETHERLANDS
+HONDURAS            6 H  BEHIND UTC
+HONG KONG           8 H  AHEAD OF UTC
+HUNGARY             1 H  AHEAD OF UTC
+HUNGARY             2 H  AHEAD OF UTC  MAR 27 - SEP 24
+ICELAND             ON UTC
+INDIA               5.5H AHEAD OF UTC  INCLUDING ANDAMAN ISLANDS
+INDONESIA WEST      7 H  AHEAD OF UTC  SUMATRA, JAVA, BALI,
+INDONESIA WEST                         JAKARTA
+INDONESIA CENTRAL   8 H  AHEAD OF UTC  KALIMANTAN, SULAWESI
+INDONESIA EAST      9 H  AHEAD OF UTC  IRIAN, BARAT
+IRAN                3.5H AHEAD OF UTC
+IRAQ                3 H  AHEAD OF UTC
+IRAQ                4 H  AHEAD OF UTC  APR 1 - SEP 30
+IRELAND             ON UTC
+IRELAND             1 H  AHEAD OF UTC  MAR 27 - OCT 22
+ISRAEL              2 H  AHEAD OF UTC
+ISRAEL              3 H  AHEAD OF UTC  APR 10 - SEP 3
+ITALY               1 H  AHEAD OF UTC
+ITALY               2 H  AHEAD OF UTC  MAR 27 - SEP 24
+IVORY COAST         ON UTC
+JAMAICA             5 H  BEHIND UTC
+JAPAN               9 H  AHEAD OF UTC
+JOHNSTON ISLAND    10 H  BEHIND UTC
+JORDAN              2 H  AHEAD OF UTC
+JORDAN              3 H  AHEAD OF UTC  APR 1 - OCT 6
+KAMPUCHEA           7 H  AHEAD OF UTC
+KENYA               3 H  AHEAD OF UTC
+KIRIBATI, REP OF   12 H  AHEAD OF UTC  CANTON, ENDERBURY ISLANDS
+KIRIBATI, REP OF   11 H  AHEAD OF UTC  CHRISTMAS ISLAND
+KOREA               9 H  AHEAD OF UTC
+KOREA, REP OF       9 H  AHEAD OF UTC
+KOREA, REP OF      10 H  AHEAD OF UTC  MAY 8 - OCT 8
+KUWAIT              3 H  AHEAD OF UTC
+KUSAIE, PINGELAP   12 H  AHEAD OF UTC  INCLUDING MARSHALL IS.,
+KUSAIE, PINGELAP                       EXCLUDING KWAJALEIN)
+KWAJALEIN          12 H  BEHIND UTC
+LAOS                7 H  AHEAD OF UTC
+LEBANON             2 H  AHEAD OF UTC
+LEBANON             3 H  AHEAD OF UTC  JUN 1 - OCT 31
+LEEWARD ISLANDS     4 H  BEHIND UTC    ANTIGUA, DOMINICA,
+LEEWARD ISLANDS                        MONTSERRAT, ST.
+LEEWARD ISLAANDS                       CHRISTOPHER, ST. KITTS,
+LEEWARD ISLANDS                        NEVIS, ANGUILLA
+LESOTHO             2 H  AHEAD OF UTC
+LIBERIA             ON UTC
+LIBYAN ARAB         1 H  AHEAD OF UTC  JAMAHIRIYA/LIBYA
+LIBYAN ARAB         2 H  AHEAD OF UTC  APR 1 - SEP 30 JAMAHIRIYA/LIBYA
+LIECHTENSTEIN       1 H  AHEAD OF UTC
+LIECHTENSTEIN       2 H  AHEAD OF UTC  MAR 27 - SEP 24
+LUXEMBOURG          1 H  AHEAD OF UTC
+LUXEMBOURG          2 H  AHEAD OF UTC  MAR 27 - SEP 24
+MACAO               8 H  AHEAD OF UTC
+MADAGASCAR          3 H  AHEAD OF UTC
+MADEIRA             SEE PORTUGAL
+MALAWI              2 H  AHEAD OF UTC
+MALAYSIA            8 H  AHEAD OF UTC
+MALDIVES            5 H  AHEAD OF UTC
+MALI                ON UTC
+MALTA               1 H  AHEAD OF UTC
+MALTA               2 H  AHEAD OF UTC  MAR 27 - SEP 24
+MARTINIQUE          4 H  BEHIND UTC
+MAURITANIA          ON UTC
+MAURITIUS           4 H  AHEAD OF UTC
+MARIANA ISLANDS    10 H  AHEAD OF UTC  EXCLUDING GUAM
+MEXICO BAJA CAL N   7 H  BEHIND UTC    BAJA CALIFORNIA SUR AND
+MEXICO BAJA CAL N                      N. PACIFIC COAST (STATES
+MEXICO BAJA CAL N                      OF SINALOA AND SONORA)
+MEXICO BAJA CAL N   8 H  BEHIND UTC    ABOVE 28TH PARALLAL APR 3
+MEXICO BAJA CAL N                      - OCT 29
+MEXICO BAJA CAL N   7 H  BEHIND UTC    ABOVE 28TH PARALLAL APR 3
+MEXICO BAJA CAL N                      - 0CT 29
+MEXICO              6 H  BEHIND UTC    STATES OF DURANGO,
+MEXICO                                 COAHUILA, NUEVO LEON,
+MEXICO                                 TAMAULIPAS
+MEXICO              5 H  BEHIND UTC    STATES OF DURANGO,
+MEXICO                                 COAHUILA, NUEVO LEON,
+MEXICO                                 TAMAULIPAS  APR 3 - OCT 29
+MEXICO              6 H  BEHIND UTC    GENERAL MEXICO, STATES OF
+MEXICO                                 CAMPECHE, QUINTANA ROO AND
+MEXICO                                 YUCATAN
+MIDWAY ISLAND      11 H  BEHIND UTC
+MONACO              1 H  AHEAD OF UTC
+MONACO              2 H  AHEAD OF UTC  MAR 27 - SEP 24
+MONGOLIA            8 H  AHEAD OF UTC
+MONGOLIA            9 H  AHEAD OF UTC  MAR 27 - SEP 24
+MONTSERRAT          4 H  BEHIND UTC
+MOROCCO             ON UTC
+MOZAMBIQUE          2 H  AHEAD OF UTC
+NAMIBIA             2 H  AHEAD OF UTC
+NAURU, REP OF      12 H  AHEAD OF UTC
+NEPAL              5H45M AHEAD OF UTC
+NETHERLANDS         1 H  AHEAD OF UTC
+NETHERLANDS         2 H  AHEAD OF UTC  MAR 27 - SEP 24
+NETHERLANDS         4 H  BEHIND UTC    ANTILLES AND SOUTHERN ST.
+NETHERLANDS                            MAARTEN
+NEW CALEDONIA      11 H  AHEAD OF UTC
+NEW HEBRIDES        SEE VANUATU
+NEW ZEALAND        12 H  AHEAD OF UTC  (EXCLUDING CHATHAM ISLAND)
+NEW ZEALAND        13 H  AHEAD OF UTC  OCT 30, '88-MAR 4, '89
+NEW ZEALAND       12H45M AHEAD OF UTC  CHATHAM ISLAND
+NICARAGUA           6 H  BEHIND UTC
+NIGER               1 H  AHEAD OF UTC
+NIGERIA             1 H  AHEAD OF UTC
+NIUE ISLAND        11 H  BEHIND UTC
+NORFOLK ISLAND    11H30M AHEAD OF UTC
+NORTHERN IRELAND    ON UTC             WALES, SCOTLAND, N.I.,
+NORTHERN IRELAND                       CH.IS.
+NORTHERN IRELAND    1 H  AHEAD OF UTC  MAR 27 - OCT 22
+NORWAY              1 H  AHEAD OF UTC
+NORWAY              2 H  AHEAD OF UTC  MAR 27 - SEP 24
+OMAN                4 H  AHEAD OF UTC
+PACIFIC ISLAND T.T.
+PALAU ISLANDS       9 H  AHEAD OF UTC
+PAKISTAN            5 H  AHEAD OF UTC
+PANAMA              5 H  BEHIND UTC
+PAPUA NEW GUINEA   10 H  AHEAD OF UTC  INCLUDING BOUGAINVILLE
+PAPUA NEW GUINEA                       ISLAND
+PARAGUAY            4 H  BEHIND UTC
+PARAGUAY            3 H  BEHIND UTC    OCT 1, '88-MAR 31, '89
+PERU                5 H  BEHIND UTC
+PHILIPPINES         8 H  AHEAD OF UTC
+PONAPE ISLAND      11 H  AHEAD OF UTC
+POLAND              1 H  AHEAD OF UTC
+POLAND              2 H  AHEAD OF UTC  MAR 27 - SEP 24
+PORTUGAL MAINLAND   ON UTC
+PORTUGAL MAINLAND   1 H  AHEAD OF UTC  MAR 27 - SEP 24
+PORTUGAL AZORES     1 H  BEHIND UTC
+PORTUGAL AZORES     ON UTC             MAR 27 - SEP 24
+PORTUGAL MADEIRA    ON UTC
+PORTUGAL MADEIRA    1 H  AHEAD OF UTC  MAR 27 - SEP 24
+PUERTO RICO         4 H  BEHIND UTC
+QATAR               3 H  AHEAD OF UTC
+ROMANIA             2 H  AHEAD OF UTC
+ROMANIA             3 H  AHEAD OF UTC  MAR 27 - SEP 24
+RUSSIA              SEE USSR
+RWANDA              2 H  AHEAD OF UTC
+SABA                4 H  BEHIND UTC    ALSO BONAIRE, CURACAO,
+SAMOA              11 H  BEHIND UTC
+SAN MARINO          1 H  AHEAD OF UTC
+SAN MARINO          2 H  AHEAD OF UTC  MAR 27 - SEP 24
+SAN SALVADOR        6 H  BEHIND UTC
+SAO TOME ISLAND     ON UTC             AND PRINCIPE ISLAND
+SAUDI ARABIA        3 H  AHEAD OF UTC
+SCOTLAND            SEE ENGLAND
+SENEGAL             ON UTC
+SEYCHELLES          4 H  AHEAD OF UTC
+SIERRA LEONE        ON UTC
+SINGAPORE           8 H  AHEAD OF UTC
+SOLOMON ISLANDS    11 H  AHEAD OF UTC  EXCLUDING BOUGAINVILLE
+SOLOMON ISLANDS                        ISLAND
+SOMALI              3 H  AHEAD OF UTC
+SOUTH AFRICA        2 H  AHEAD OF UTC
+SPAIN  CANARY IS    ON UTC
+SPAIN  CANARY IS    1 H  AHEAD OF UTC  MAR 27 - SEP 24
+SPAIN               1 H  AHEAD OF UTC  CONTINENTAL, BALEARIC AND
+SPAIN                                  MALLORCA ISLANDS
+SPAIN               2 H  AHEAD OF UTC  CONTINENTAL, BALEARIC AND
+SPAIN                                  MALLORCA ISLANDS  MAR 27 -
+SPAIN                                  SEP 24
+SPAIN  MAINLAND     1 H  AHEAD OF UTC  MELILLA
+SPAIN  MAINLAND     2 H  AHEAD OF UTC  MAR 27 - SEP 24
+SRI LANKA          5H30M AHEAD OF UTC
+ST. MAARTEN
+ST. KITTS-NEVIS     4 H  BEHIND UTC
+ST. LUCIA           4 H  BEHIND UTC
+ST. PIERRE          3 H  BEHIND UTC    INCLUDING MIQUELON
+ST. PIERRE          2 H  BEHIND UTC    INLCUDING MIQUELON  APR 3
+ST. PIERRE                             - OCT 29
+ST. VINCENT         4 H  BEHIND UTC    INCLUDING THE GRENADINES
+ST. HELENA          ON UTC
+SUDAN               2 H  AHEAD OF UTC
+SURINAME            3 H  BEHIND UTC
+SWAZILAND           2 H  AHEAD OF UTC
+SWEDEN              1 H  AHEAD OF UTC
+SWEDEN              2 H  AHEAD OF UTC  MAR 27 - SEP 24
+SWITZERLAND         1 H  AHEAD OF UTC
+SWITZERLAND         2 H  AHEAD OF UTC  MAR 27 - SEP 24
+SYRIA               2 H  AHEAD OF UTC
+SYRIA               3 H  AHEAD OF UTC  MAR 15 - OCT 30
+TAHITI             10 H  BEHIND UTC
+TAIWAN              8 H  AHEAD OF UTC
+TANZANIA            3 H  AHEAD OF UTC
+THAILAND            7 H  AHEAD OF UTC
+TOGO                ON UTC
+TRINIDAD / TOBAGO   4 H  BEHIND UTC
+TUNISIA             1 H  AHEAD OF UTC
+TUNISIA             2 H  AHEAD OF UTC  APR 10 - SEP 24
+TURKEY              2 H  AHEAD OF UTC
+TURKEY              3 H  AHEAD OF UTC  MAR 27 - SEP 24
+TURKS AND CAICOS    5 H  BEHIND UTC
+TURKS AND CAICOS    4 H  BEHIND UTC    APR 3 - OCT 29
+TUVALU             12 H  AHEAD OF UTC
+UGANDA              3 H  AHEAD OF UTC
+UNITED ARAB EMIR.   4 H  AHEAD OF UTC  ABU DHABI, DUBAI, SHARJAH,
+UNITED ARAB EMIR                       RAS AL KHAIMAH
+UNITED KINGDOM      ON UTC             WALES, SCOTLAND, N.I., CH.
+UNITED KINGDOM                         IS.
+UNITED KINGDOM      1 H  AHEAD OF UTC  MAR 27 - OCT 22
+UNITED STATES       SEE USA
+UPPER VOLTA         ON UTC
+URUGUAY             3 H  BEHIND UTC
+URUGUAY             2 H  BEHIND UTC    DEC 11, '88-FEB 25, '89
+URAGUAY                                (ESTIMATED)
+USA   EASTERN       5 H  BEHIND UTC    NEW YORK, WASHINGTON
+USA   EASTERN       4 H  BEHIND UTC    APR 3 - OCT 30
+USA   CENTRAL       6 H  BEHIND UTC    CHICAGO, HOUSTON
+USA   CENTRAL       5 H  BEHIND UTC    APR 3 - OCT 30
+USA   MOUNTAIN      7 H  BEHIND UTC    DENVER
+USA   MOUNTAIN      6 H  BEHIND UTC    APR 3 - OCT 30
+USA   PACIFIC       8 H  BEHIND UTC    L.A., SAN FRANCISCO
+USA   PACIFIC       7 H  BEHIND UTC    APR 3 - OCT 30
+USA   ALASKA STD    9 H  BEHIND UTC    MOST OF ALASKA     (AKST)
+USA   ALASKA STD    8 H  BEHIND UTC    APR 3 - OCT 30 (AKDT)
+USA   ALEUTIAN     10 H  BEHIND UTC    ISLANDS WEST OF 170W
+USA   - " -         9 H  BEHIND UTC    APR 3 - OCT 30
+USA   HAWAII       10 H  BEHIND UTC
+USA   BERING       11 H  BEHIND UTC    SAMOA, MIDWAY
+USA  FOR SPECIFIC INFO ON USA ZONES/TIMES CALL DOT 202-426-4520
+USSR WEST EUROP     3 H  AHEAD OF UTC  LENINGRAD, MOSCOW
+USSR WEST EUROP     4 H  AHEAD OF UTC  APR 1 - SEP 30
+USSR CENTRAL EUR    4 H  AHEAD OF UTC  ROSTOV, BAKU
+USSR CENTRAL EUR    5 H  AHEAD OF UTC  APR 1 - SEP 30
+USSR EAST EUROP     5 H  AHEAD OF UTC  SVERDLOVSK
+USSR EAST EUROP     6 H  AHEAD OF UTC  APR 1 - SEP 30
+USSR WEST SIBERIAN  6 H  AHEAD OF UTC  TASHKENT, ALMA ATA
+USSR WEST SIBERIAN  7 H  AHEAD OF UTC  APR 1 - SEP 30
+USSR WEST-CENTRAL   7 H  AHEAD OF UTC  NOVOSIBIRSK
+USSR WEST-CENTRAL   8 H  AHEAD OF UTC  APR 1 - SEP 30
+USSR WEST-CENTRAL   8 H  AHEAD OF UTC  IRKUTSK
+USSR WEST-CENTRAL   9 H  AHEAD OF UTC  APR 1 - SEP 30
+USSR CENTRAL SIB    9 H  AHEAD OF UTC  YAKUTSK
+USSR CENTRAL SIB   10 H  AHEAD OF UTC  APR 1 - SEP 30
+USSR CENTRAL SIB   10 H  AHEAD OF UTC  VLADIVOSTOK
+USSR CENTRAL SIB   11 H  AHEAD OF UTC  APR 1 - SEP 30
+USSR EAST SIBERIA  11 H  AHEAD OF UTC  MAGADAN
+USSR EAST SIBERIA  12 H  AHEAD OF UTC  APR 1 - SEP 30
+USSR EAST SIBERIA  12 H  AHEAD OF UTC  PETROPAVLOVSK
+USSR EAST SIBERIA  13 H  AHEAD OF UTC  APR 1 - SEP 30
+USSR EAST SIBERIA  13 H  AHEAD OF UTC  UELEN
+USSR EAST SIBERIA  14 H  AHEAD OF UTC  APR 1 - SEP 30
+VANUATU            11 H  AHEAD OF UTC  (NEW HEBRIDES)
+VANUATU            12 H  AHEAD OF UTC  SEP 25, '88-MAR 25, '89
+VANUATU                                (ESTIMATED)
+VATICAN             1 H  AHEAD OF UTC
+VATICAN             2 H  AHEAD OF UTC  MAR 27 - SEP 24
+VENEZUELA           4 H  BEHIND UTC
+VIETNAM             7 H  AHEAD OF UTC
+VIRGIN ISLANDS      4 H  BEHIND UTC    ST.CROIX, ST.THOMAS,
+VIRGIN ISLANDS                         ST.JOHN
+WAKE ISLAND        12 H  AHEAD OF UTC
+WALES               SEE ENGLAND
+WALLIS/FUTUNA IS.  12 H  AHEAD OF UTC
+WINDWARD ISLANDS    4 H  BEHIND UTC    GRENADA, ST. LUCIA
+YEMEN               3 H  AHEAD OF UTC  BOTH REPUBLICS
+YUGOSLAVIA          1 H  AHEAD OF UTC
+YUGOSLAVIA          2 H  AHEAD OF UTC  MAR 27 - SEP 24
+ZAIRE  EAST         1 H  AHEAD OF UTC  KINSHASA MBANDAKA
+ZAIRE  WEST         2 H  AHEAD OF UTC  LUBUMBASHI, KASAI, KIVU,
+ZAIRE  WEST                            HAUT-ZAIRE, SHABA
+ZAMBIA              2 H  AHEAD OF UTC
+ZIMBABWE            2 H  AHEAD OF UTC
diff --git a/commands/zoneinfo/usno1995 b/commands/zoneinfo/usno1995
new file mode 100644
index 000000000..ff114a604
--- /dev/null
+++ b/commands/zoneinfo/usno1995
@@ -0,0 +1,326 @@
+# @(#)usno1995	7.5
+#
+# From Arthur David Olson (1995-12-21):
+#
+# Here's time zone information from the United States Naval Observatory
+# via http://tycho.usno.navy.mil/tzones.html. See USNO's note at the end.
+World Time Zones
+For selected countries, the local standard time offset from UTC is given,
+with daylight savings time where observed.
+Time: Thu Dec 21 17:43:00 utc 1995
+Afghanistan: +4.5 hours
+Albania: +1 hours (Local summer +2 hours)
+Algeria: +1 hours (Local summer +2 hours)
+American Samoa: -11 hours
+Andorra: +1 hours (Local summer +2 hours)
+Angola: +1 hours
+Anguilla: -4 hours
+Antarctica: -2 hours (Local summer -3 hours)
+Antigua: -4 hours
+Argentina: -3 hours
+Argentina western prov: -4 hours
+Armenia: +4 hours (Local summer +5 hours)
+Aruba: -4 hours
+Ascension: 0 hours
+Australia Northern Territory: +9.5 hours
+Australia Lord Howe Island: +10.5 hours (Local summer +11 hours)
+Australia New South Wales: +10 hours (Local summer +11 hours)
+Australia Queensland: +10 hours
+Australia Victoria: +10 hours (Local summer +11 hours)
+Australia Australian Captial Territory: +10 hours (Local summer +11 hours)
+Australia South: +9.5 hours (Local summer +10.5 hours)
+Australia Tasmania: +10 hours (Local summer +11 hours)
+Australia Western: +8 hours
+Austria: +1 hours (Local summer +2 hours)
+Azerbajian: +3 hours
+Azores: -1 hours (Local summer 0 hours)
+Bahamas: -5 hours (Local summer -4 hours)
+Bahrain: +3 hours
+Balearic Islands: +1 hours (Local summer +2 hours)
+Bangladesh: +6 hours
+Barbados: -4 hours
+Belarus: +2 hours (Local summer +3 hours)
+Belgium: +1 hours (Local summer +2 hours)
+Belize: -6 hours
+Benin: +1 hours
+Bermuda: -4 hours (Local summer -3 hours)
+Bhutan: +6 hours
+Bolivia: -4 hours
+Bonaire: -4 hours
+Bosnia Hercegovina: +1 hours (Local summer +2 hours)
+Botswana: +2 hours
+Brazil Acre: -4 hours (Local summer -5 hours)
+Brazil Atlantic Islands: -1 hours (Local summer -2 hours)
+Brazil East: -3 hours (Local summer -1 hours)
+Brazil West: -4 hours (Local summer -3 hours)
+British Virgin Islands: -4 hours
+Brunei: +8 hours
+Bulgaria: +2 hours (Local summer +3 hours)
+Burkina Faso: 0 hours
+Burundi: +2 hours
+Cambodia: +7 hours
+Cameroon: +1 hours
+Canada Central: -6 hours (Local summer -5 hours)
+Canada Eastern: -5 hours (Local summer -4 hours)
+Canada Mountain: -7 hours (Local summer -6 hours)
+Canada Yukon & Pacific: -8 hours (Local summer -7 hours)
+Canada Atlantic: -4 hours (Local summer -3 hours)
+Canada Newfoundland: -3.5 hours (Local summer -2.5 hours)
+Canary Islands: 0 hours (Local summer +1 hours)
+Canton Enderbury Islands: -11 hours
+Cape Verde: -1 hours
+Caroline Island: +11 hours
+Cayman Islands: -5 hours
+Central African Rep: +1 hours
+Chad: +1 hours
+Channel Islands: 0 hours (Local summer +1 hours)
+Chatham Island: +12.75 hours (Local summer +13.75 hours)
+Chile: -4 hours (Local summer -3 hours)
+China People's Rep: +8 hours
+Christmas Islands: -10 hours
+Cocos (Keeling) Islands: ( hours (Local summer ) hours)
+Colombia: -5 hours
+Congo: +1 hours
+Cook Islands: -10 hours
+Costa Rica: -6 hours
+Cote d'Ivoire: 0 hours
+Croatia: +1 hours (Local summer +2 hours)
+Cuba: -5 hours (Local summer -4 hours)
+Curacao: -4 hours
+Cyprus: +2 hours (Local summer +3 hours)
+Czech Republic: +1 hours (Local summer +2 hours)
+Dahomey: +1 hours
+Denmark: +1 hours (Local summer +2 hours)
+Djibouti: +3 hours
+Dominica: -4 hours
+Dominican Republic: -4 hours
+Easter Island: -6 hours (Local summer -5 hours)
+Ecuador: -5 hours
+Egypt: +2 hours (Local summer +3 hours)
+El Salvador: -6 hours
+England: 0 hours (Local summer +1 hours)
+Equitorial Guinea: +1 hours
+Eritrea: +3 hours
+Estonia: +2 hours (Local summer +3 hours)
+Ethiopia: +3 hours
+Falkland Islands: -4 hours (Local summer -3 hours)
+Faroe Island: 0 hours (Local summer +1 hours)
+Fiji: +12 hours
+Finland: +2 hours (Local summer +3 hours)
+France: +1 hours (Local summer +2 hours)
+French Guiana: -3 hours
+French Polynesia: -10 hours
+Gabon: +1 hours
+Galapagos Islands: -6 hours
+Gambia: 0 hours
+Gambier Island: -9 hours
+Georgia: +4 hours
+Germany: +1 hours (Local summer +2 hours)
+Ghana: 0 hours
+Gibraltar: +1 hours (Local summer +2 hours)
+Greece: +2 hours (Local summer +3 hours)
+Greenland: -3 hours (Local summer -2 hours)
+Greenland Thule: -4 hours (Local summer -3 hours)
+Greenland Scoresbysun: -1 hours (Local summer 0 hours)
+Grenada: -4 hours
+Grenadines: -4 hours
+Guadeloupe: -4 hours
+Guam: +10 hours
+Guatemala: -6 hours
+Guinea: 0 hours
+Guinea Bissau: - hours (Local summer 0 hours)
+Guyana: -3 hours
+Haiti: -5 hours (Local summer -4 hours)
+Honduras: -6 hours
+Hong kong: +8 hours
+Hungary: +1 hours (Local summer +2 hours)
+Iceland: 0 hours
+India: +5.5 hours
+Indonesia Central: +8 hours
+Indonesia East: +9 hours
+Indonesia West: +7 hours
+Iran: +3.5 hours
+Iraq: +3 hours (Local summer +4 hours)
+Ireland Republic of: 0 hours (Local summer +1 hours)
+Israel: +2 hours (Local summer +3 hours)
+Italy: +1 hours (Local summer +2 hours)
+Jamaica: -5 hours
+Japan: +9 hours
+Johnston Island: -10 hours
+Jordan: +2 hours (Local summer +3 hours)
+Kazakhstan: +6 hours (Local summer +7 hours)
+Kenya: +3 hours
+Kiribati: +12 hours
+Korea Dem Republic of: +9 hours
+Korea Republic of: +9 hours
+Kusaie: +12 hours
+Kuwait: +3 hours
+Kwajalein: -12 hours
+Kyrgyzstan: +5 hours (Local summer +6 hours)
+Laos: +7 hours
+Latvia: +2 hours (Local summer +3 hours)
+Lebanon: +2 hours (Local summer +3 hours)
+Leeward Islands: -4 hours
+Lesotho: +2 hours
+Liberia: 0 hours
+Libya: +2 hours
+Lithuania: +2 hours (Local summer +3 hours)
+Luxembourg: +1 hours (Local summer +2 hours)
+Macedonia: +1 hours (Local summer +2 hours)
+Madagascar: +3 hours
+Madeira: 0 hours (Local summer +1 hours)
+Malawi: +2 hours
+Malaysia: +8 hours
+Maldives: +5 hours
+Mali: 0 hours
+Mallorca Islands: +1 hours (Local summer +2 hours)
+Malta: +1 hours (Local summer +2 hours)
+Mariana Island: +10 hours
+Marquesas Islands: -9.5 hours
+Marshall Islands: +12 hours
+Martinique: -4 hours
+Mauritania: 0 hours
+Mauritius: +4 hours
+Mayotte: +3 hours
+Melilla: +1 hours (Local summer +2 hours)
+Mexico: -6 hours
+Mexico Baja Calif Norte: -8 hours (Local summer -7 hours)
+Mexico Nayarit: -7 hours
+Mexico Sinaloa: -7 hours
+Mexico Sonora: -7 hours
+Midway Island: -11 hours
+Moldova: +2 hours (Local summer +3 hours)
+Moldovian Rep Pridnestrovye: +2 hours (Local summer +3 hours)
+Monaco: +1 hours (Local summer +2 hours)
+Mongolia: +8 hours
+Morocco: 0 hours
+Mozambique: +2 hours
+Myanmar: +6.5 hours
+Namibia: +1 hours (Local summer +2 hours)
+Nauru Republic of: +12 hours
+Nepal: +5.75 hours
+Netherlands: +1 hours (Local summer +2 hours)
+Netherlands Antilles: -4 hours
+Nevis Montserrat: -4 hours
+New Caledonia: +11 hours
+New Hebrides: +11 hours
+New Zealand: +12 hours (Local summer +13 hours)
+Nicaragua: -6 hours (Local summer -5 hours)
+Niger: +1 hours
+Nigeria: +1 hours
+Niue Island: -11 hours
+Norfolk Island: +11.5 hours
+Northern Ireland: 0 hours (Local summer +1 hours)
+Northern Mariana Islands: +10 hours
+Norway: +1 hours (Local summer +2 hours)
+Oman: +4 hours
+Pakistan: +5 hours
+Palau: +9 hours
+Panama: -5 hours
+Papua New Guinea: +10 hours
+Paraguay: -4 hours (Local summer -3 hours)
+Peru: -5 hours
+Philippines: +8 hours
+Pingelap: +12 hours
+Poland: +1 hours (Local summer +2 hours)
+Ponape Island: +11 hours
+Portugal: +1 hours (Local summer +2 hours)
+Principe Island: 0 hours
+Puerto Rico: -4 hours
+Qatar: +3 hours
+Reunion: +4 hours
+Romania: +2 hours (Local summer +3 hours)
+Russian Federation zone eight: +9 hours (Local summer +10 hours)
+Russian Federation zone eleven: +12 hours (Local summer +13 hours)
+Russian Federation zone five: +6 hours (Local summer +7 hours)
+Russian Federation zone four: +5 hours (Local summer +6 hours)
+Russian Federation zone nine: +10 hours (Local summer +11 hours)
+Russian Federation zone one: +2 hours (Local summer +3 hours)
+Russian Federation zone seven: +8 hours (Local summer +9 hours)
+Russian Federation zone six: +7 hours (Local summer +8 hours)
+Russian Federation zone ten: +11 hours (Local summer +12 hours)
+Russian Federation zone three: +4 hours (Local summer +5 hours)
+Russian Federation zone two: +4 hours (Local summer +5 hours)
+Rwanda: +2 hours
+Saba: -4 hours
+Samoa: -11 hours
+San Marino: +1 hours (Local summer +2 hours)
+Sao Tome e Principe: 0 hours
+Saudi Arabia: +3 hours
+Scotland: 0 hours
+Senegal: 0 hours
+Seychelles: +4 hours
+Sierra Leone: 0 hours
+Singapore: +8 hours
+Slovakia: +1 hours (Local summer +2 hours)
+Slovenia: +1 hours (Local summer +2 hours)
+Society Island: -10 hours
+Solomon Islands: +11 hours
+Somalia: +3 hours
+South Africa: +2 hours
+Spain: +1 hours (Local summer +2 hours)
+Sri Lanka: +5.5 hours
+St Christopher: -4 hours
+St Croix: -4 hours
+St Helena: 0 hours
+St John: -4 hours
+St Kitts Nevis: -4 hours
+St Lucia: -4 hours
+St Maarten: -4 hours
+St Pierre & Miquelon: -3 hours (Local summer -2 hours)
+St Thomas: -4 hours
+St Vincent: -4 hours
+Sudan: +2 hours
+Suriname: -3 hours
+Swaziland: +2 hours
+Sweden: +1 hours (Local summer +2 hours)
+Switzerland: +1 hours (Local summer +2 hours)
+Syria: +2 hours (Local summer +3 hours)
+Tahiti: -10 hours
+Taiwan: +8 hours
+Tajikistan: +6 hours
+Tanzania: +3 hours
+Thailand: +7 hours
+Togo: 0 hours
+Tonga: +13 hours
+Trinidad and Tobago: -4 hours
+Tuamotu Island: -10 hours
+Tubuai Island: -10 hours
+Tunisia: +1 hours
+Turkey: +2 hours (Local summer +3 hours)
+Turkmenistan: +5 hours
+Turks and Caicos Islands: -5 hours (Local summer -4 hours)
+Tuvalu: +12 hours
+Uganda: +3 hours
+Ukraine: +2 hours (Local summer +3 hours)
+United Arab Emirates: +4 hours
+United Kingdom: 0 hours (Local summer +1 hours)
+USA Central: -6 hours (Local summer -5 hours)
+USA Eastern: -5 hours (Local summer -4 hours)
+USA Mountain: -7 hours (Local summer -6 hours)
+USA Arizona: -7 hours
+USA Indiana East: -5 hours
+USA Pacific: -8 hours (Local summer -7 hours)
+USA Alaska: -9 hours (Local summer -8 hours)
+USA Hawaii Aleutian: - hours (Local summer -10 hours)
+Uruguay: -3 hours
+Uzbekistan: +5 hours
+Vanuatu: +11 hours (Local summer +12 hours)
+Vatican City: +1 hours (Local summer +2 hours)
+Venezuela: -4 hours
+Vietnam: +7 hours
+Virgin Islands: -4 hours
+Wake Island: +12 hours
+Wales: 0 hours (Local summer +1 hours)
+Wallis and Futuna Islands: +12 hours
+Windward Islands: -4 hours
+Yemen: +3 hours
+Yugoslavia: +1 hours (Local summer +2 hours)
+Zaire Kasai: +2 hours
+Zaire Kinshasa Mbandaka: +1 hours
+Zaire Haut Zaire: +2 hours
+Zaire Kivu: +2 hours
+Zaire Shaba: +2 hours
+Zambia: +2 hours
+Zimbabwe: +2 hours
+All timezone information is non-authoritative...
diff --git a/commands/zoneinfo/usno1997 b/commands/zoneinfo/usno1997
new file mode 100644
index 000000000..fa47d6af7
--- /dev/null
+++ b/commands/zoneinfo/usno1997
@@ -0,0 +1,327 @@
+# @(#)usno1997	7.7
+#
+# From Arthur David Olson (1997-03-07):
+#
+# Here's time zone information from the United States Naval Observatory
+# via http://tycho.usno.navy.mil/tzones.html. See USNO's note at the end.
+Unofficial Time Zone Information
+World Time Zones
+For selected countries, the local standard time offset from UTC is given, with  daylight savings time where observed.
+Time:  Fri Mar  7 22:38:58 UTC 1997
+Afghanistan: +4.5 hours
+Albania: +1 hours (Local summer +2 hours)
+Algeria: +1 hours (Local summer +2 hours)
+American Samoa: -11 hours
+Andorra: +1 hours (Local summer +2 hours)
+Angola: +1 hours
+Anguilla: -4 hours
+Antarctica: -2 hours (Local summer -3 hours)
+Antigua: -4 hours
+Argentina: -3 hours
+Argentina western prov: -4 hours
+Armenia: +4 hours (Local summer +5 hours)
+Aruba: -4 hours
+Ascension: 0 hours
+Australia Northern Territory: +9.5 hours
+Australia Lord Howe Island: +10.5 hours (Local summer +11 hours)
+Australia New South Wales: +10 hours (Local summer +11 hours)
+Australia Queensland: +10 hours
+Australia Victoria: +10 hours (Local summer +11 hours)
+Australia Australian Captial Territory: +10 hours (Local summer +11 hours)
+Australia South: +9.5 hours (Local summer +10.5 hours)
+Australia Tasmania: +10 hours (Local summer +11 hours)
+Australia Western: +8 hours
+Austria: +1 hours (Local summer +2 hours)
+Azerbajian: +3 hours
+Azores: -1 hours (Local summer 0 hours)
+Bahamas: -5 hours (Local summer -4 hours)
+Bahrain: +3 hours
+Balearic Islands: +1 hours (Local summer +2 hours)
+Bangladesh: +6 hours
+Barbados: -4 hours
+Belarus: +2 hours (Local summer +3 hours)
+Belgium: +1 hours (Local summer +2 hours)
+Belize: -6 hours
+Benin: +1 hours
+Bermuda: -4 hours (Local summer -3 hours)
+Bhutan: +6 hours
+Bolivia: -4 hours
+Bonaire: -4 hours
+Bosnia Hercegovina: +1 hours (Local summer +2 hours)
+Botswana: +2 hours
+Brazil Acre: -4 hours (Local summer -5 hours)
+Brazil Atlantic Islands: -1 hours (Local summer -2 hours)
+Brazil East: -3 hours (Local summer -1 hours)
+Brazil West: -4 hours (Local summer -3 hours)
+British Virgin Islands: -4 hours
+Brunei: +8 hours
+Bulgaria: +2 hours (Local summer +3 hours)
+Burkina Faso: 0 hours
+Burundi: +2 hours
+Cambodia: +7 hours
+Cameroon: +1 hours
+Canada Central: -6 hours (Local summer -5 hours)
+Canada Eastern: -5 hours (Local summer -4 hours)
+Canada Mountain: -7 hours (Local summer -6 hours)
+Canada Yukon & Pacific: -8 hours (Local summer -7 hours)
+Canada Atlantic: -4 hours (Local summer -3 hours)
+Canada Newfoundland: -3.5 hours (Local summer -2.5 hours)
+Canary Islands: 0 hours (Local summer +1 hours)
+Canton Enderbury Islands: -11 hours
+Cape Verde: -1 hours
+Caroline Island: +11 hours
+Cayman Islands: -5 hours
+Central African Rep: +1 hours
+Chad: +1 hours
+Channel Islands: 0 hours (Local summer +1 hours)
+Chatham Island: +12.75 hours (Local summer +13.75 hours)
+Chile: -4 hours (Local summer -3 hours)
+China People's Rep: +8 hours
+Christmas Islands: -10 hours
+Cocos (Keeling) Islands: ( hours (Local summer ) hours)
+Colombia: -5 hours
+Congo: +1 hours
+Cook Islands: -10 hours
+Costa Rica: -6 hours
+Cote d'Ivoire: 0 hours
+Croatia: +1 hours (Local summer +2 hours)
+Cuba: -5 hours (Local summer -4 hours)
+Curacao: -4 hours
+Cyprus: +2 hours (Local summer +3 hours)
+Czech Republic: +1 hours (Local summer +2 hours)
+Dahomey: +1 hours
+Denmark: +1 hours (Local summer +2 hours)
+Djibouti: +3 hours
+Dominica: -4 hours
+Dominican Republic: -4 hours
+Easter Island: -6 hours (Local summer -5 hours)
+Ecuador: -5 hours
+Egypt: +2 hours (Local summer +3 hours)
+El Salvador: -6 hours
+England: 0 hours (Local summer +1 hours)
+Equitorial Guinea: +1 hours
+Eritrea: +3 hours
+Estonia: +2 hours (Local summer +3 hours)
+Ethiopia: +3 hours
+Falkland Islands: -4 hours (Local summer -3 hours)
+Faroe Island: 0 hours (Local summer +1 hours)
+Fiji: +12 hours
+Finland: +2 hours (Local summer +3 hours)
+France: +1 hours (Local summer +2 hours)
+French Guiana: -3 hours
+French Polynesia: -10 hours
+Gabon: +1 hours
+Galapagos Islands: -5 hours
+Gambia: 0 hours
+Gambier Island: -9 hours
+Georgia: +4 hours
+Germany: +1 hours (Local summer +2 hours)
+Ghana: 0 hours
+Gibraltar: +1 hours (Local summer +2 hours)
+Greece: +2 hours (Local summer +3 hours)
+Greenland: -3 hours (Local summer -2 hours)
+Greenland Thule: -4 hours (Local summer -3 hours)
+Greenland Scoresbysun: -1 hours (Local summer 0 hours)
+Grenada: -4 hours
+Grenadines: -4 hours
+Guadeloupe: -4 hours
+Guam: +10 hours
+Guatemala: -6 hours
+Guinea: 0 hours
+Guinea Bissau: - hours (Local summer 0 hours)
+Guyana: -3 hours
+Haiti: -5 hours (Local summer -4 hours)
+Honduras: -6 hours
+Hong kong: +8 hours
+Hungary: +1 hours (Local summer +2 hours)
+Iceland: 0 hours
+India: +5.5 hours
+Indonesia Central: +8 hours
+Indonesia East: +9 hours
+Indonesia West: +7 hours
+Iran: +3.5 hours
+Iraq: +3 hours (Local summer +4 hours)
+Ireland Republic of: 0 hours (Local summer +1 hours)
+Israel: +2 hours (Local summer +3 hours)
+Italy: +1 hours (Local summer +2 hours)
+Jamaica: -5 hours
+Japan: +9 hours
+Johnston Island: -10 hours
+Jordan: +2 hours (Local summer +3 hours)
+Kazakhstan: +6 hours (Local summer +7 hours)
+Kenya: +3 hours
+Kiribati: +12 hours
+Korea Dem Republic of: +9 hours
+Korea Republic of: +9 hours
+Kusaie: +12 hours
+Kuwait: +3 hours
+Kwajalein: -12 hours
+Kyrgyzstan: +5 hours (Local summer +6 hours)
+Laos: +7 hours
+Latvia: +2 hours (Local summer +3 hours)
+Lebanon: +2 hours (Local summer +3 hours)
+Leeward Islands: -4 hours
+Lesotho: +2 hours
+Liberia: 0 hours
+Libya: +2 hours
+Lithuania: +2 hours (Local summer +3 hours)
+Luxembourg: +1 hours (Local summer +2 hours)
+Macedonia: +1 hours (Local summer +2 hours)
+Madagascar: +3 hours
+Madeira: 0 hours (Local summer +1 hours)
+Malawi: +2 hours
+Malaysia: +8 hours
+Maldives: +5 hours
+Mali: 0 hours
+Mallorca Islands: +1 hours (Local summer +2 hours)
+Malta: +1 hours (Local summer +2 hours)
+Mariana Island: +10 hours
+Marquesas Islands: -9.5 hours
+Marshall Islands: +12 hours
+Martinique: -4 hours
+Mauritania: 0 hours
+Mauritius: +4 hours
+Mayotte: +3 hours
+Melilla: +1 hours (Local summer +2 hours)
+Mexico: -6 hours
+Mexico Baja Calif Norte: -8 hours (Local summer -7 hours)
+Mexico Nayarit: -7 hours
+Mexico Sinaloa: -7 hours
+Mexico Sonora: -7 hours
+Midway Island: -11 hours
+Moldova: +2 hours (Local summer +3 hours)
+Moldovian Rep Pridnestrovye: +2 hours (Local summer +3 hours)
+Monaco: +1 hours (Local summer +2 hours)
+Mongolia: +8 hours
+Morocco: 0 hours
+Mozambique: +2 hours
+Myanmar: +6.5 hours
+Namibia: +1 hours (Local summer +2 hours)
+Nauru Republic of: +12 hours
+Nepal: +5.75 hours
+Netherlands: +1 hours (Local summer +2 hours)
+Netherlands Antilles: -4 hours
+Nevis Montserrat: -4 hours
+New Caledonia: +11 hours
+New Hebrides: +11 hours
+New Zealand: +12 hours (Local summer +13 hours)
+Nicaragua: -6 hours (Local summer -5 hours)
+Niger: +1 hours
+Nigeria: +1 hours
+Niue Island: -11 hours
+Norfolk Island: +11.5 hours
+Northern Ireland: 0 hours (Local summer +1 hours)
+Northern Mariana Islands: +10 hours
+Norway: +1 hours (Local summer +2 hours)
+Oman: +4 hours
+Pakistan: +5 hours
+Palau: +9 hours
+Panama: -5 hours
+Papua New Guinea: +10 hours
+Paraguay: -4 hours (Local summer -3 hours)
+Peru: -5 hours
+Philippines: +8 hours
+Pingelap: +12 hours
+Poland: +1 hours (Local summer +2 hours)
+Ponape Island: +11 hours
+Portugal: +1 hours (Local summer +2 hours)
+Principe Island: 0 hours
+Puerto Rico: -4 hours
+Qatar: +3 hours
+Reunion: +4 hours
+Romania: +2 hours (Local summer +3 hours)
+Russian Federation zone eight: +9 hours (Local summer +10 hours)
+Russian Federation zone eleven: +12 hours (Local summer +13 hours)
+Russian Federation zone five: +6 hours (Local summer +7 hours)
+Russian Federation zone four: +5 hours (Local summer +6 hours)
+Russian Federation zone nine: +10 hours (Local summer +11 hours)
+Russian Federation zone one: +2 hours (Local summer +3 hours)
+Russian Federation zone seven: +8 hours (Local summer +9 hours)
+Russian Federation zone six: +7 hours (Local summer +8 hours)
+Russian Federation zone ten: +11 hours (Local summer +12 hours)
+Russian Federation zone three: +4 hours (Local summer +5 hours)
+Russian Federation zone two: +4 hours (Local summer +5 hours)
+Rwanda: +2 hours
+Saba: -4 hours
+Samoa: -11 hours
+San Marino: +1 hours (Local summer +2 hours)
+Sao Tome e Principe: 0 hours
+Saudi Arabia: +3 hours
+Scotland: 0 hours (Local summer +1 hours)
+Senegal: 0 hours
+Seychelles: +4 hours
+Sierra Leone: 0 hours
+Singapore: +8 hours
+Slovakia: +1 hours (Local summer +2 hours)
+Slovenia: +1 hours (Local summer +2 hours)
+Society Island: -10 hours
+Solomon Islands: +11 hours
+Somalia: +3 hours
+South Africa: +2 hours
+Spain: +1 hours (Local summer +2 hours)
+Sri Lanka: +5.5 hours
+St Christopher: -4 hours
+St Croix: -4 hours
+St Helena: 0 hours
+St John: -4 hours
+St Kitts Nevis: -4 hours
+St Lucia: -4 hours
+St Maarten: -4 hours
+St Pierre & Miquelon: -3 hours (Local summer -2 hours)
+St Thomas: -4 hours
+St Vincent: -4 hours
+Sudan: +2 hours
+Suriname: -3 hours
+Swaziland: +2 hours
+Sweden: +1 hours (Local summer +2 hours)
+Switzerland: +1 hours (Local summer +2 hours)
+Syria: +2 hours (Local summer +3 hours)
+Tahiti: -10 hours
+Taiwan: +8 hours
+Tajikistan: +6 hours
+Tanzania: +3 hours
+Thailand: +7 hours
+Togo: 0 hours
+Tonga: +13 hours
+Trinidad and Tobago: -4 hours
+Tuamotu Island: -10 hours
+Tubuai Island: -10 hours
+Tunisia: +1 hours
+Turkey: +2 hours (Local summer +3 hours)
+Turkmenistan: +5 hours
+Turks and Caicos Islands: -5 hours (Local summer -4 hours)
+Tuvalu: +12 hours
+Uganda: +3 hours
+Ukraine: +2 hours (Local summer +3 hours)
+United Arab Emirates: +4 hours
+United Kingdom: 0 hours (Local summer +1 hours)
+USA Central: -6 hours (Local summer -5 hours)
+USA Eastern: -5 hours (Local summer -4 hours)
+USA Mountain: -7 hours (Local summer -6 hours)
+USA Arizona: -7 hours
+USA Indiana East: -5 hours
+USA Pacific: -8 hours (Local summer -7 hours)
+USA Alaska: -9 hours (Local summer -8 hours)
+USA Aleutian: -10 hours
+USA Hawaii: -10 hours
+Uruguay: -3 hours
+Uzbekistan: +5 hours
+Vanuatu: +11 hours (Local summer +12 hours)
+Vatican City: +1 hours (Local summer +2 hours)
+Venezuela: -4 hours
+Vietnam: +7 hours
+Virgin Islands: -4 hours
+Wake Island: +12 hours
+Wales: 0 hours (Local summer +1 hours)
+Wallis and Futuna Islands: +12 hours
+Windward Islands: -4 hours
+Yemen: +3 hours
+Yugoslavia: +1 hours (Local summer +2 hours)
+Zaire Kasai: +2 hours
+Zaire Kinshasa Mbandaka: +1 hours
+Zaire Haut Zaire: +2 hours
+Zaire Kivu: +2 hours
+Zaire Shaba: +2 hours
+Zambia: +2 hours
+Zimbabwe: +2 hours
+All timezone information is non-authoritative...
diff --git a/commands/zoneinfo/usno1998 b/commands/zoneinfo/usno1998
new file mode 100644
index 000000000..ac70bc8a8
--- /dev/null
+++ b/commands/zoneinfo/usno1998
@@ -0,0 +1,327 @@
+# @(#)usno1998	7.4
+#
+# From Arthur David Olson (1998-05-26):
+#
+# Here's time zone information from the United States Naval Observatory
+# via http://tycho.usno.navy.mil/tzones.html. See USNO's note at the end.
+Unofficial Time Zone Information
+World Time Zones
+For selected countries, the local standard time offset from UTC is given, with  daylight savings time where observed.
+Time:  Mon May 25 21:14:24 UTC 1998
+Afghanistan: +4.5 hours
+Albania: +1 hours (Local summer +2 hours)
+Algeria: +1 hours (Local summer +2 hours)
+American Samoa: -11 hours
+Andorra: +1 hours (Local summer +2 hours)
+Angola: +1 hours
+Anguilla: -4 hours
+Antarctica: -2 hours (Local summer -3 hours)
+Antigua: -4 hours
+Argentina: -3 hours
+Argentina western prov: -4 hours
+Armenia: +4 hours (Local summer +5 hours)
+Aruba: -4 hours
+Ascension: 0 hours
+Australia Northern Territory: +9.5 hours
+Australia Lord Howe Island: +10.5 hours (Local summer +11 hours)
+Australia New South Wales: +10 hours (Local summer +11 hours)
+Australia Queensland: +10 hours
+Australia Victoria: +10 hours (Local summer +11 hours)
+Australia Australian Captial Territory: +10 hours (Local summer +11 hours)
+Australia South: +9.5 hours (Local summer +10.5 hours)
+Australia Tasmania: +10 hours (Local summer +11 hours)
+Australia Western: +8 hours
+Austria: +1 hours (Local summer +2 hours)
+Azerbajian: +3 hours
+Azores: -1 hours (Local summer 0 hours)
+Bahamas: -5 hours (Local summer -4 hours)
+Bahrain: +3 hours
+Balearic Islands: +1 hours (Local summer +2 hours)
+Bangladesh: +6 hours
+Barbados: -4 hours
+Belarus: +2 hours (Local summer +3 hours)
+Belgium: +1 hours (Local summer +2 hours)
+Belize: -6 hours
+Benin: +1 hours
+Bermuda: -4 hours (Local summer -3 hours)
+Bhutan: +6 hours
+Bolivia: -4 hours
+Bonaire: -4 hours
+Bosnia Hercegovina: +1 hours (Local summer +2 hours)
+Botswana: +2 hours
+Brazil Acre: -4 hours (Local summer -5 hours)
+Brazil Atlantic Islands: -1 hours (Local summer -2 hours)
+Brazil East: -3 hours (Local summer -1 hours)
+Brazil West: -4 hours (Local summer -3 hours)
+British Virgin Islands: -4 hours
+Brunei: +8 hours
+Bulgaria: +2 hours (Local summer +3 hours)
+Burkina Faso: 0 hours
+Burundi: +2 hours
+Cambodia: +7 hours
+Cameroon: +1 hours
+Canada Central: -6 hours (Local summer -5 hours)
+Canada Eastern: -5 hours (Local summer -4 hours)
+Canada Mountain: -7 hours (Local summer -6 hours)
+Canada Yukon & Pacific: -8 hours (Local summer -7 hours)
+Canada Atlantic: -4 hours (Local summer -3 hours)
+Canada Newfoundland: -3.5 hours (Local summer -2.5 hours)
+Canary Islands: 0 hours (Local summer +1 hours)
+Canton Enderbury Islands: -11 hours
+Cape Verde: -1 hours
+Caroline Island: +11 hours
+Cayman Islands: -5 hours
+Central African Rep: +1 hours
+Chad: +1 hours
+Channel Islands: 0 hours (Local summer +1 hours)
+Chatham Island: +12.75 hours (Local summer +13.75 hours)
+Chile: -4 hours (Local summer -3 hours)
+China People's Rep: +8 hours
+Christmas Islands: -10 hours
+Cocos (Keeling) Islands: ( hours (Local summer ) hours)
+Colombia: -5 hours
+Congo: +1 hours
+Cook Islands: -10 hours
+Costa Rica: -6 hours
+Cote d'Ivoire: 0 hours
+Croatia: +1 hours (Local summer +2 hours)
+Cuba: -5 hours (Local summer -4 hours)
+Curacao: -4 hours
+Cyprus: +2 hours (Local summer +3 hours)
+Czech Republic: +1 hours (Local summer +2 hours)
+Dahomey: +1 hours
+Denmark: +1 hours (Local summer +2 hours)
+Djibouti: +3 hours
+Dominica: -4 hours
+Dominican Republic: -4 hours
+Easter Island: -6 hours (Local summer -5 hours)
+Ecuador: -5 hours
+Egypt: +2 hours (Local summer +3 hours)
+El Salvador: -6 hours
+England: 0 hours (Local summer +1 hours)
+Equitorial Guinea: +1 hours
+Eritrea: +3 hours
+Estonia: +2 hours (Local summer +3 hours)
+Ethiopia: +3 hours
+Falkland Islands: -4 hours (Local summer -3 hours)
+Faroe Island: 0 hours (Local summer +1 hours)
+Fiji: +12 hours
+Finland: +2 hours (Local summer +3 hours)
+France: +1 hours (Local summer +2 hours)
+French Guiana: -3 hours
+French Polynesia: -10 hours
+Gabon: +1 hours
+Galapagos Islands: -5 hours
+Gambia: 0 hours
+Gambier Island: -9 hours
+Georgia: +4 hours
+Germany: +1 hours (Local summer +2 hours)
+Ghana: 0 hours
+Gibraltar: +1 hours (Local summer +2 hours)
+Greece: +2 hours (Local summer +3 hours)
+Greenland: -3 hours (Local summer -2 hours)
+Greenland Thule: -4 hours (Local summer -3 hours)
+Greenland Scoresbysun: -1 hours (Local summer 0 hours)
+Grenada: -4 hours
+Grenadines: -4 hours
+Guadeloupe: -4 hours
+Guam: +10 hours
+Guatemala: -6 hours
+Guinea: 0 hours
+Guinea Bissau: - hours (Local summer 0 hours)
+Guyana: -3 hours
+Haiti: -5 hours (Local summer -4 hours)
+Honduras: -6 hours
+Hong kong: +8 hours
+Hungary: +1 hours (Local summer +2 hours)
+Iceland: 0 hours
+India: +5.5 hours
+Indonesia Central: +8 hours
+Indonesia East: +9 hours
+Indonesia West: +7 hours
+Iran: +3.5 hours
+Iraq: +3 hours (Local summer +4 hours)
+Ireland Republic of: 0 hours (Local summer +1 hours)
+Israel: +2 hours (Local summer +3 hours)
+Italy: +1 hours (Local summer +2 hours)
+Jamaica: -5 hours
+Japan: +9 hours
+Johnston Island: -10 hours
+Jordan: +2 hours (Local summer +3 hours)
+Kazakhstan: +6 hours (Local summer +7 hours)
+Kenya: +3 hours
+Kiribati: +12 hours
+Korea Dem Republic of: +9 hours
+Korea Republic of: +9 hours
+Kusaie: +12 hours
+Kuwait: +3 hours
+Kwajalein: -12 hours
+Kyrgyzstan: +5 hours (Local summer +6 hours)
+Laos: +7 hours
+Latvia: +2 hours (Local summer +3 hours)
+Lebanon: +2 hours (Local summer +3 hours)
+Leeward Islands: -4 hours
+Lesotho: +2 hours
+Liberia: 0 hours
+Libya: +2 hours
+Lithuania: +2 hours (Local summer +3 hours)
+Luxembourg: +1 hours (Local summer +2 hours)
+Macedonia: +1 hours (Local summer +2 hours)
+Madagascar: +3 hours
+Madeira: 0 hours (Local summer +1 hours)
+Malawi: +2 hours
+Malaysia: +8 hours
+Maldives: +5 hours
+Mali: 0 hours
+Mallorca Islands: +1 hours (Local summer +2 hours)
+Malta: +1 hours (Local summer +2 hours)
+Mariana Island: +10 hours
+Marquesas Islands: -9.5 hours
+Marshall Islands: +12 hours
+Martinique: -4 hours
+Mauritania: 0 hours
+Mauritius: +4 hours
+Mayotte: +3 hours
+Melilla: +1 hours (Local summer +2 hours)
+Mexico: -6 hours
+Mexico Baja Calif Norte: -8 hours (Local summer -7 hours)
+Mexico Nayarit: -7 hours
+Mexico Sinaloa: -7 hours
+Mexico Sonora: -7 hours
+Midway Island: -11 hours
+Moldova: +2 hours (Local summer +3 hours)
+Moldovian Rep Pridnestrovye: +2 hours (Local summer +3 hours)
+Monaco: +1 hours (Local summer +2 hours)
+Mongolia: +8 hours
+Morocco: 0 hours
+Mozambique: +2 hours
+Myanmar: +6.5 hours
+Namibia: +1 hours (Local summer +2 hours)
+Nauru Republic of: +12 hours
+Nepal: +5.75 hours
+Netherlands: +1 hours (Local summer +2 hours)
+Netherlands Antilles: -4 hours
+Nevis Montserrat: -4 hours
+New Caledonia: +11 hours
+New Hebrides: +11 hours
+New Zealand: +12 hours (Local summer +13 hours)
+Nicaragua: -6 hours (Local summer -5 hours)
+Niger: +1 hours
+Nigeria: +1 hours
+Niue Island: -11 hours
+Norfolk Island: +11.5 hours
+Northern Ireland: 0 hours (Local summer +1 hours)
+Northern Mariana Islands: +10 hours
+Norway: +1 hours (Local summer +2 hours)
+Oman: +4 hours
+Pakistan: +5 hours
+Palau: +9 hours
+Panama: -5 hours
+Papua New Guinea: +10 hours
+Paraguay: -4 hours (Local summer -3 hours)
+Peru: -5 hours
+Philippines: +8 hours
+Pingelap: +12 hours
+Poland: +1 hours (Local summer +2 hours)
+Ponape Island: +11 hours
+Portugal: +1 hours (Local summer +2 hours)
+Principe Island: 0 hours
+Puerto Rico: -4 hours
+Qatar: +3 hours
+Reunion: +4 hours
+Romania: +2 hours (Local summer +3 hours)
+Russian Federation zone eight: +9 hours (Local summer +10 hours)
+Russian Federation zone eleven: +12 hours (Local summer +13 hours)
+Russian Federation zone five: +6 hours (Local summer +7 hours)
+Russian Federation zone four: +5 hours (Local summer +6 hours)
+Russian Federation zone nine: +10 hours (Local summer +11 hours)
+Russian Federation zone one: +2 hours (Local summer +3 hours)
+Russian Federation zone seven: +8 hours (Local summer +9 hours)
+Russian Federation zone six: +7 hours (Local summer +8 hours)
+Russian Federation zone ten: +11 hours (Local summer +12 hours)
+Russian Federation zone three: +4 hours (Local summer +5 hours)
+Russian Federation zone two: +4 hours (Local summer +5 hours)
+Rwanda: +2 hours
+Saba: -4 hours
+Samoa: -11 hours
+San Marino: +1 hours (Local summer +2 hours)
+Sao Tome e Principe: 0 hours
+Saudi Arabia: +3 hours
+Scotland: 0 hours (Local summer +1 hours)
+Senegal: 0 hours
+Seychelles: +4 hours
+Sierra Leone: 0 hours
+Singapore: +8 hours
+Slovakia: +1 hours (Local summer +2 hours)
+Slovenia: +1 hours (Local summer +2 hours)
+Society Island: -10 hours
+Solomon Islands: +11 hours
+Somalia: +3 hours
+South Africa: +2 hours
+Spain: +1 hours (Local summer +2 hours)
+Sri Lanka: +5.5 hours
+St Christopher: -4 hours
+St Croix: -4 hours
+St Helena: 0 hours
+St John: -4 hours
+St Kitts Nevis: -4 hours
+St Lucia: -4 hours
+St Maarten: -4 hours
+St Pierre & Miquelon: -3 hours (Local summer -2 hours)
+St Thomas: -4 hours
+St Vincent: -4 hours
+Sudan: +2 hours
+Suriname: -3 hours
+Swaziland: +2 hours
+Sweden: +1 hours (Local summer +2 hours)
+Switzerland: +1 hours (Local summer +2 hours)
+Syria: +2 hours (Local summer +3 hours)
+Tahiti: -10 hours
+Taiwan: +8 hours
+Tajikistan: +6 hours
+Tanzania: +3 hours
+Thailand: +7 hours
+Togo: 0 hours
+Tonga: +13 hours
+Trinidad and Tobago: -4 hours
+Tuamotu Island: -10 hours
+Tubuai Island: -10 hours
+Tunisia: +1 hours
+Turkey: +2 hours (Local summer +3 hours)
+Turkmenistan: +5 hours
+Turks and Caicos Islands: -5 hours (Local summer -4 hours)
+Tuvalu: +12 hours
+Uganda: +3 hours
+Ukraine: +2 hours (Local summer +3 hours)
+United Arab Emirates: +4 hours
+United Kingdom: 0 hours (Local summer +1 hours)
+USA Central: -6 hours (Local summer -5 hours)
+USA Eastern: -5 hours (Local summer -4 hours)
+USA Mountain: -7 hours (Local summer -6 hours)
+USA Arizona: -7 hours
+USA Indiana East: -5 hours
+USA Pacific: -8 hours (Local summer -7 hours)
+USA Alaska: -9 hours (Local summer -8 hours)
+USA Aleutian: -10 hours
+USA Hawaii: -10 hours
+Uruguay: -3 hours
+Uzbekistan: +5 hours
+Vanuatu: +11 hours (Local summer +12 hours)
+Vatican City: +1 hours (Local summer +2 hours)
+Venezuela: -4 hours
+Vietnam: +7 hours
+Virgin Islands: -4 hours
+Wake Island: +12 hours
+Wales: 0 hours (Local summer +1 hours)
+Wallis and Futuna Islands: +12 hours
+Windward Islands: -4 hours
+Yemen: +3 hours
+Yugoslavia: +1 hours (Local summer +2 hours)
+Zaire Kasai: +2 hours
+Zaire Kinshasa Mbandaka: +1 hours
+Zaire Haut Zaire: +2 hours
+Zaire Kivu: +2 hours
+Zaire Shaba: +2 hours
+Zambia: +2 hours
+Zimbabwe: +2 hours
+All timezone information is non-authoritative...
diff --git a/commands/zoneinfo/workman.sh b/commands/zoneinfo/workman.sh
new file mode 100644
index 000000000..1ea32fc1e
--- /dev/null
+++ b/commands/zoneinfo/workman.sh
@@ -0,0 +1,29 @@
+#! /bin/sh
+
+# @(#)workman.sh	1.8
+
+# Tell groff not to emit SGR escape sequences (ANSI color escapes).
+GROFF_NO_SGR=1
+export GROFF_NO_SGR
+
+echo ".am TH
+.hy 0
+.na
+..
+.rm }H
+.rm }F" | nroff -man - ${1+"$@"} | perl -ne '
+	chomp;
+	s/.\010//g;
+	s/\s*$//;
+	if (/^$/) {
+		$sawblank = 1;
+		next;
+	} else {
+		if ($sawblank && $didprint) {
+			print "\n";
+			$sawblank = 0;
+		}
+		print "$_\n";
+		$didprint = 1;
+	}
+'
diff --git a/commands/zoneinfo/yearistype.sh b/commands/zoneinfo/yearistype.sh
new file mode 100644
index 000000000..66dbf89a2
--- /dev/null
+++ b/commands/zoneinfo/yearistype.sh
@@ -0,0 +1,40 @@
+#! /bin/sh
+
+: 'This file is in the public domain, so clarified as of'
+: '2006-07-17 by Arthur David Olson.'
+
+: '@(#)yearistype.sh	8.2'
+
+case $#-$1 in
+	2-|2-0*|2-*[!0-9]*)
+		echo "$0: wild year - $1" >&2
+		exit 1 ;;
+esac
+
+case $#-$2 in
+	2-even)
+		case $1 in
+			*[24680])			exit 0 ;;
+			*)				exit 1 ;;
+		esac ;;
+	2-nonpres|2-nonuspres)
+		case $1 in
+			*[02468][048]|*[13579][26])	exit 1 ;;
+			*)				exit 0 ;;
+		esac ;;
+	2-odd)
+		case $1 in
+			*[13579])			exit 0 ;;
+			*)				exit 1 ;;
+		esac ;;
+	2-uspres)
+		case $1 in
+			*[02468][048]|*[13579][26])	exit 0 ;;
+			*)				exit 1 ;;
+		esac ;;
+	2-*)
+		echo "$0: wild type - $2" >&2 ;;
+esac
+
+echo "$0: usage is $0 year even|odd|uspres|nonpres|nonuspres" >&2
+exit 1
diff --git a/commands/zoneinfo/zdump.8 b/commands/zoneinfo/zdump.8
new file mode 100644
index 000000000..b22a12955
--- /dev/null
+++ b/commands/zoneinfo/zdump.8
@@ -0,0 +1,57 @@
+.TH ZDUMP 8
+.SH NAME
+zdump \- time zone dumper
+.SH SYNOPSIS
+.B zdump
+[
+.B \-\-version
+]
+[
+.B \-v
+] [
+.B \-c
+[loyear,]hiyear ] [ zonename ... ]
+.SH DESCRIPTION
+.I Zdump
+prints the current time in each
+.I zonename
+named on the command line.
+.PP
+These options are available:
+.TP
+.BI "\-\-version"
+Output version information and exit.
+.TP
+.B \-v
+For each
+.I zonename
+on the command line,
+print the time at the lowest possible time value,
+the time one day after the lowest possible time value,
+the times both one second before and exactly at
+each detected time discontinuity,
+the time at one day less than the highest possible time value,
+and the time at the highest possible time value,
+Each line ends with
+.B isdst=1
+if the given time is Daylight Saving Time or
+.B isdst=0
+otherwise.
+.TP
+.BI "\-c " [loyear,]hiyear
+Cut off verbose output near the start of the given year(s).
+By default,
+the program cuts off verbose output near the starts of the years -500 and 2500.
+.SH LIMITATIONS
+The
+.B \-v
+option may not be used on systems with floating-point time_t values
+that are neither float nor double.
+.PP
+Time discontinuities are found by sampling the results returned by localtime
+at twelve-hour intervals.
+This works in all real-world cases;
+one can construct artificial time zones for which this fails.
+.SH "SEE ALSO"
+newctime(3), tzfile(5), zic(8)
+.\" @(#)zdump.8	7.7
diff --git a/commands/zoneinfo/zdump.8.txt b/commands/zoneinfo/zdump.8.txt
new file mode 100644
index 000000000..78c647f76
--- /dev/null
+++ b/commands/zoneinfo/zdump.8.txt
@@ -0,0 +1,43 @@
+NAME
+
+     zdump - time zone dumper
+
+SYNOPSIS
+     zdump [ --version ] [ -v ] [ -c [loyear,]hiyear ] [ zonename
+     ... ]
+
+DESCRIPTION
+     Zdump prints the current time in each zonename named on the
+     command line.
+
+     These options are available:
+
+     --version
+          Output version information and exit.
+
+     -v   For each zonename on the command line, print the time
+          at the lowest possible time value, the time one day
+          after the lowest possible time value, the times both
+          one second before and exactly at each detected time
+          discontinuity, the time at one day less than the
+          highest possible time value, and the time at the
+          highest possible time value, Each line ends with
+          isdst=1 if the given time is Daylight Saving Time or
+          isdst=0 otherwise.
+
+     -c [loyear,]hiyear
+          Cut off verbose output near the start of the given
+          year(s).  By default, the program cuts off verbose
+          output near the starts of the years -500 and 2500.
+
+LIMITATIONS
+     The -v option may not be used on systems with floating-point
+     time_t values that are neither float nor double.
+
+     Time discontinuities are found by sampling the results
+     returned by localtime at twelve-hour intervals.  This works
+     in all real-world cases; one can construct artificial time
+     zones for which this fails.
+
+SEE ALSO
+     newctime(3), tzfile(5), zic(8)
diff --git a/commands/zoneinfo/zdump.c b/commands/zoneinfo/zdump.c
new file mode 100644
index 000000000..8768b493c
--- /dev/null
+++ b/commands/zoneinfo/zdump.c
@@ -0,0 +1,686 @@
+static char	elsieid[] = "@(#)zdump.c	7.77";
+
+/*
+** This code has been made independent of the rest of the time
+** conversion package to increase confidence in the verification it provides.
+** You can use this code to help in verifying other implementations.
+*/
+
+#include "stdio.h"	/* for stdout, stderr, perror */
+#include "string.h"	/* for strcpy */
+#include "sys/types.h"	/* for time_t */
+#include "time.h"	/* for struct tm */
+#include "stdlib.h"	/* for exit, malloc, atoi */
+#include "float.h"	/* for FLT_MAX and DBL_MAX */
+#include "ctype.h"	/* for isalpha et al. */
+#ifndef isascii
+#define isascii(x) 1
+#endif /* !defined isascii */
+
+#ifndef ZDUMP_LO_YEAR
+#define ZDUMP_LO_YEAR	(-500)
+#endif /* !defined ZDUMP_LO_YEAR */
+
+#ifndef ZDUMP_HI_YEAR
+#define ZDUMP_HI_YEAR	2500
+#endif /* !defined ZDUMP_HI_YEAR */
+
+#ifndef MAX_STRING_LENGTH
+#define MAX_STRING_LENGTH	1024
+#endif /* !defined MAX_STRING_LENGTH */
+
+#ifndef TRUE
+#define TRUE		1
+#endif /* !defined TRUE */
+
+#ifndef FALSE
+#define FALSE		0
+#endif /* !defined FALSE */
+
+#ifndef EXIT_SUCCESS
+#define EXIT_SUCCESS	0
+#endif /* !defined EXIT_SUCCESS */
+
+#ifndef EXIT_FAILURE
+#define EXIT_FAILURE	1
+#endif /* !defined EXIT_FAILURE */
+
+#ifndef SECSPERMIN
+#define SECSPERMIN	60
+#endif /* !defined SECSPERMIN */
+
+#ifndef MINSPERHOUR
+#define MINSPERHOUR	60
+#endif /* !defined MINSPERHOUR */
+
+#ifndef SECSPERHOUR
+#define SECSPERHOUR	(SECSPERMIN * MINSPERHOUR)
+#endif /* !defined SECSPERHOUR */
+
+#ifndef HOURSPERDAY
+#define HOURSPERDAY	24
+#endif /* !defined HOURSPERDAY */
+
+#ifndef EPOCH_YEAR
+#define EPOCH_YEAR	1970
+#endif /* !defined EPOCH_YEAR */
+
+#ifndef TM_YEAR_BASE
+#define TM_YEAR_BASE	1900
+#endif /* !defined TM_YEAR_BASE */
+
+#ifndef DAYSPERNYEAR
+#define DAYSPERNYEAR	365
+#endif /* !defined DAYSPERNYEAR */
+
+#ifndef isleap
+#define isleap(y) (((y) % 4) == 0 && (((y) % 100) != 0 || ((y) % 400) == 0))
+#endif /* !defined isleap */
+
+#ifndef isleap_sum
+/*
+** See tzfile.h for details on isleap_sum.
+*/
+#define isleap_sum(a, b)	isleap((a) % 400 + (b) % 400)
+#endif /* !defined isleap_sum */
+
+#define SECSPERDAY	((long) SECSPERHOUR * HOURSPERDAY)
+#define SECSPERNYEAR	(SECSPERDAY * DAYSPERNYEAR)
+#define SECSPERLYEAR	(SECSPERNYEAR + SECSPERDAY)
+
+#if HAVE_GETTEXT
+#include "locale.h"	/* for setlocale */
+#include "libintl.h"
+#endif /* HAVE_GETTEXT */
+
+#ifndef GNUC_or_lint
+#ifdef lint
+#define GNUC_or_lint
+#else /* !defined lint */
+#ifdef __GNUC__
+#define GNUC_or_lint
+#endif /* defined __GNUC__ */
+#endif /* !defined lint */
+#endif /* !defined GNUC_or_lint */
+
+#ifndef INITIALIZE
+#ifdef GNUC_or_lint
+#define INITIALIZE(x)	((x) = 0)
+#else /* !defined GNUC_or_lint */
+#define INITIALIZE(x)
+#endif /* !defined GNUC_or_lint */
+#endif /* !defined INITIALIZE */
+
+/*
+** For the benefit of GNU folk...
+** `_(MSGID)' uses the current locale's message library string for MSGID.
+** The default is to use gettext if available, and use MSGID otherwise.
+*/
+
+#ifndef _
+#if HAVE_GETTEXT
+#define _(msgid) gettext(msgid)
+#else /* !HAVE_GETTEXT */
+#define _(msgid) msgid
+#endif /* !HAVE_GETTEXT */
+#endif /* !defined _ */
+
+#ifndef TZ_DOMAIN
+#define TZ_DOMAIN "tz"
+#endif /* !defined TZ_DOMAIN */
+
+#ifndef P
+#if __STDC__
+#define P(x)	x
+#else /* !__STDC__ */
+#define P(x)	()
+#endif /* !__STDC__ */
+#endif /* !defined P */
+
+extern char **	environ;
+extern int	getopt P((int argc, char * const argv[],
+			const char * options));
+extern char *	optarg;
+extern int	optind;
+extern char *	tzname[2];
+
+static time_t	absolute_min_time;
+static time_t	absolute_max_time;
+static size_t	longest;
+static char *	progname;
+static int	warned;
+
+static char *	abbr P((struct tm * tmp));
+static void	abbrok P((const char * abbrp, const char * zone));
+static long	delta P((struct tm * newp, struct tm * oldp));
+static void	dumptime P((const struct tm * tmp));
+static time_t	hunt P((char * name, time_t lot, time_t	hit));
+static void	setabsolutes P((void));
+static void	show P((char * zone, time_t t, int v));
+static const char *	tformat P((void));
+static time_t	yeartot P((long y));
+
+#ifndef TYPECHECK
+#define my_localtime	localtime
+#else /* !defined TYPECHECK */
+static struct tm *
+my_localtime(tp)
+time_t *	tp;
+{
+	register struct tm *	tmp;
+
+	tmp = localtime(tp);
+	if (tp != NULL && tmp != NULL) {
+		struct tm	tm;
+		register time_t	t;
+
+		tm = *tmp;
+		t = mktime(&tm);
+		if (t - *tp >= 1 || *tp - t >= 1) {
+			(void) fflush(stdout);
+			(void) fprintf(stderr, "\n%s: ", progname);
+			(void) fprintf(stderr, tformat(), *tp);
+			(void) fprintf(stderr, " ->");
+			(void) fprintf(stderr, " year=%d", tmp->tm_year);
+			(void) fprintf(stderr, " mon=%d", tmp->tm_mon);
+			(void) fprintf(stderr, " mday=%d", tmp->tm_mday);
+			(void) fprintf(stderr, " hour=%d", tmp->tm_hour);
+			(void) fprintf(stderr, " min=%d", tmp->tm_min);
+			(void) fprintf(stderr, " sec=%d", tmp->tm_sec);
+			(void) fprintf(stderr, " isdst=%d", tmp->tm_isdst);
+			(void) fprintf(stderr, " -> ");
+			(void) fprintf(stderr, tformat(), t);
+			(void) fprintf(stderr, "\n");
+		}
+	}
+	return tmp;
+}
+#endif /* !defined TYPECHECK */
+
+static void
+abbrok(abbrp, zone)
+const char * const	abbrp;
+const char * const	zone;
+{
+	register const char *	cp;
+	register char *		wp;
+
+	if (warned)
+		return;
+	cp = abbrp;
+	wp = NULL;
+	while (isascii((unsigned char) *cp) && isalpha((unsigned char) *cp))
+		++cp;
+	if (cp - abbrp == 0)
+		wp = _("lacks alphabetic at start");
+	else if (cp - abbrp < 3)
+		wp = _("has fewer than 3 alphabetics");
+	else if (cp - abbrp > 6)
+		wp = _("has more than 6 alphabetics");
+	if (wp == NULL && (*cp == '+' || *cp == '-')) {
+		++cp;
+		if (isascii((unsigned char) *cp) &&
+			isdigit((unsigned char) *cp))
+				if (*cp++ == '1' && *cp >= '0' && *cp <= '4')
+					++cp;
+		if (*cp != '\0')
+			wp = _("differs from POSIX standard");
+	}
+	if (wp == NULL)
+		return;
+	(void) fflush(stdout);
+	(void) fprintf(stderr,
+		_("%s: warning: zone \"%s\" abbreviation \"%s\" %s\n"),
+		progname, zone, abbrp, wp);
+	warned = TRUE;
+}
+
+int
+main(argc, argv)
+int	argc;
+char *	argv[];
+{
+	register int		i;
+	register int		c;
+	register int		vflag;
+	register char *		cutarg;
+	register long		cutloyear = ZDUMP_LO_YEAR;
+	register long		cuthiyear = ZDUMP_HI_YEAR;
+	register time_t		cutlotime;
+	register time_t		cuthitime;
+	register char **	fakeenv;
+	time_t			now;
+	time_t			t;
+	time_t			newt;
+	struct tm		tm;
+	struct tm		newtm;
+	register struct tm *	tmp;
+	register struct tm *	newtmp;
+
+	INITIALIZE(cutlotime);
+	INITIALIZE(cuthitime);
+#if HAVE_GETTEXT
+	(void) setlocale(LC_ALL, "");
+#ifdef TZ_DOMAINDIR
+	(void) bindtextdomain(TZ_DOMAIN, TZ_DOMAINDIR);
+#endif /* defined TEXTDOMAINDIR */
+	(void) textdomain(TZ_DOMAIN);
+#endif /* HAVE_GETTEXT */
+	progname = argv[0];
+	for (i = 1; i < argc; ++i)
+		if (strcmp(argv[i], "--version") == 0) {
+			(void) printf("%s\n", elsieid);
+			exit(EXIT_SUCCESS);
+		}
+	vflag = 0;
+	cutarg = NULL;
+	while ((c = getopt(argc, argv, "c:v")) == 'c' || c == 'v')
+		if (c == 'v')
+			vflag = 1;
+		else	cutarg = optarg;
+	if ((c != EOF && c != -1) ||
+		(optind == argc - 1 && strcmp(argv[optind], "=") == 0)) {
+			(void) fprintf(stderr,
+_("%s: usage is %s [ --version ] [ -v ] [ -c [loyear,]hiyear ] zonename ...\n"),
+				progname, progname);
+			exit(EXIT_FAILURE);
+	}
+	if (vflag) {
+		if (cutarg != NULL) {
+			long	lo;
+			long	hi;
+			char	dummy;
+
+			if (sscanf(cutarg, "%ld%c", &hi, &dummy) == 1) {
+				cuthiyear = hi;
+			} else if (sscanf(cutarg, "%ld,%ld%c",
+				&lo, &hi, &dummy) == 2) {
+					cutloyear = lo;
+					cuthiyear = hi;
+			} else {
+(void) fprintf(stderr, _("%s: wild -c argument %s\n"),
+					progname, cutarg);
+				exit(EXIT_FAILURE);
+			}
+		}
+		setabsolutes();
+		cutlotime = yeartot(cutloyear);
+		cuthitime = yeartot(cuthiyear);
+	}
+	(void) time(&now);
+	longest = 0;
+	for (i = optind; i < argc; ++i)
+		if (strlen(argv[i]) > longest)
+			longest = strlen(argv[i]);
+	{
+		register int	from;
+		register int	to;
+
+		for (i = 0; environ[i] != NULL; ++i)
+			continue;
+		fakeenv = (char **) malloc((size_t) ((i + 2) *
+			sizeof *fakeenv));
+		if (fakeenv == NULL ||
+			(fakeenv[0] = (char *) malloc(longest + 4)) == NULL) {
+					(void) perror(progname);
+					exit(EXIT_FAILURE);
+		}
+		to = 0;
+		(void) strcpy(fakeenv[to++], "TZ=");
+		for (from = 0; environ[from] != NULL; ++from)
+			if (strncmp(environ[from], "TZ=", 3) != 0)
+				fakeenv[to++] = environ[from];
+		fakeenv[to] = NULL;
+		environ = fakeenv;
+	}
+	for (i = optind; i < argc; ++i) {
+		static char	buf[MAX_STRING_LENGTH];
+
+		(void) strcpy(&fakeenv[0][3], argv[i]);
+		if (!vflag) {
+			show(argv[i], now, FALSE);
+			continue;
+		}
+		warned = FALSE;
+		t = absolute_min_time;
+		show(argv[i], t, TRUE);
+		t += SECSPERHOUR * HOURSPERDAY;
+		show(argv[i], t, TRUE);
+		if (t < cutlotime)
+			t = cutlotime;
+		tmp = my_localtime(&t);
+		if (tmp != NULL) {
+			tm = *tmp;
+			(void) strncpy(buf, abbr(&tm), (sizeof buf) - 1);
+		}
+		for ( ; ; ) {
+			if (t >= cuthitime)
+				break;
+			newt = t + SECSPERHOUR * 12;
+			if (newt >= cuthitime)
+				break;
+			if (newt <= t)
+				break;
+			newtmp = localtime(&newt);
+			if (newtmp != NULL)
+				newtm = *newtmp;
+			if ((tmp == NULL || newtmp == NULL) ? (tmp != newtmp) :
+				(delta(&newtm, &tm) != (newt - t) ||
+				newtm.tm_isdst != tm.tm_isdst ||
+				strcmp(abbr(&newtm), buf) != 0)) {
+					newt = hunt(argv[i], t, newt);
+					newtmp = localtime(&newt);
+					if (newtmp != NULL) {
+						newtm = *newtmp;
+						(void) strncpy(buf,
+							abbr(&newtm),
+							(sizeof buf) - 1);
+					}
+			}
+			t = newt;
+			tm = newtm;
+			tmp = newtmp;
+		}
+		t = absolute_max_time;
+		t -= SECSPERHOUR * HOURSPERDAY;
+		show(argv[i], t, TRUE);
+		t += SECSPERHOUR * HOURSPERDAY;
+		show(argv[i], t, TRUE);
+	}
+	if (fflush(stdout) || ferror(stdout)) {
+		(void) fprintf(stderr, "%s: ", progname);
+		(void) perror(_("Error writing standard output"));
+		exit(EXIT_FAILURE);
+	}
+	exit(EXIT_SUCCESS);
+	/* If exit fails to exit... */
+	return EXIT_FAILURE;
+}
+
+static void
+setabsolutes()
+{
+	if (0.5 == (time_t) 0.5) {
+		/*
+		** time_t is floating.
+		*/
+		if (sizeof (time_t) == sizeof (float)) {
+			absolute_min_time = (time_t) -FLT_MAX;
+			absolute_max_time = (time_t) FLT_MAX;
+		} else if (sizeof (time_t) == sizeof (double)) {
+			absolute_min_time = (time_t) -DBL_MAX;
+			absolute_max_time = (time_t) DBL_MAX;
+		} else {
+			(void) fprintf(stderr,
+_("%s: use of -v on system with floating time_t other than float or double\n"),
+				progname);
+			exit(EXIT_FAILURE);
+		}
+	} else if (0 > (time_t) -1) {
+		/*
+		** time_t is signed.  Assume overflow wraps around.
+		*/
+		time_t t = 0;
+		time_t t1 = 1;
+
+		while (t < t1) {
+			t = t1;
+			t1 = 2 * t1 + 1;
+		}
+		  
+		absolute_max_time = t;
+		t = -t;
+		absolute_min_time = t - 1;
+		if (t < absolute_min_time)
+			absolute_min_time = t;
+	} else {
+		/*
+		** time_t is unsigned.
+		*/
+		absolute_min_time = 0;
+		absolute_max_time = absolute_min_time - 1;
+	}
+}
+
+static time_t
+yeartot(y)
+const long	y;
+{
+	register long	myy;
+	register long	seconds;
+	register time_t	t;
+
+	myy = EPOCH_YEAR;
+	t = 0;
+	while (myy != y) {
+		if (myy < y) {
+			seconds = isleap(myy) ? SECSPERLYEAR : SECSPERNYEAR;
+			++myy;
+			if (t > absolute_max_time - seconds) {
+				t = absolute_max_time;
+				break;
+			}
+			t += seconds;
+		} else {
+			--myy;
+			seconds = isleap(myy) ? SECSPERLYEAR : SECSPERNYEAR;
+			if (t < absolute_min_time + seconds) {
+				t = absolute_min_time;
+				break;
+			}
+			t -= seconds;
+		}
+	}
+	return t;
+}
+
+static time_t
+#if __STDC__
+hunt(char *name, time_t lot, time_t hit)
+#else /* !__STDC__ */
+hunt(name, lot, hit)
+char *	name;
+time_t	lot;
+time_t	hit;
+#endif /* !__STDC__ */
+{
+	time_t			t;
+	long			diff;
+	struct tm		lotm;
+	register struct tm *	lotmp;
+	struct tm		tm;
+	register struct tm *	tmp;
+	char			loab[MAX_STRING_LENGTH];
+
+	lotmp = my_localtime(&lot);
+	if (lotmp != NULL) {
+		lotm = *lotmp;
+		(void) strncpy(loab, abbr(&lotm), (sizeof loab) - 1);
+	}
+	for ( ; ; ) {
+		diff = (long) (hit - lot);
+		if (diff < 2)
+			break;
+		t = lot;
+		t += diff / 2;
+		if (t <= lot)
+			++t;
+		else if (t >= hit)
+			--t;
+		tmp = my_localtime(&t);
+		if (tmp != NULL)
+			tm = *tmp;
+		if ((lotmp == NULL || tmp == NULL) ? (lotmp == tmp) :
+			(delta(&tm, &lotm) == (t - lot) &&
+			tm.tm_isdst == lotm.tm_isdst &&
+			strcmp(abbr(&tm), loab) == 0)) {
+				lot = t;
+				lotm = tm;
+				lotmp = tmp;
+		} else	hit = t;
+	}
+	show(name, lot, TRUE);
+	show(name, hit, TRUE);
+	return hit;
+}
+
+/*
+** Thanks to Paul Eggert for logic used in delta.
+*/
+
+static long
+delta(newp, oldp)
+struct tm *	newp;
+struct tm *	oldp;
+{
+	register long	result;
+	register int	tmy;
+
+	if (newp->tm_year < oldp->tm_year)
+		return -delta(oldp, newp);
+	result = 0;
+	for (tmy = oldp->tm_year; tmy < newp->tm_year; ++tmy)
+		result += DAYSPERNYEAR + isleap_sum(tmy, TM_YEAR_BASE);
+	result += newp->tm_yday - oldp->tm_yday;
+	result *= HOURSPERDAY;
+	result += newp->tm_hour - oldp->tm_hour;
+	result *= MINSPERHOUR;
+	result += newp->tm_min - oldp->tm_min;
+	result *= SECSPERMIN;
+	result += newp->tm_sec - oldp->tm_sec;
+	return result;
+}
+
+static void
+#if __STDC__
+show(char *zone, time_t t, int v)
+#else /* !__STDC__ */
+show(zone, t, v)
+char *	zone;
+time_t	t;
+int	v;
+#endif /* !__STDC__ */
+{
+	register struct tm *	tmp;
+
+	(void) printf("%-*s  ", (int) longest, zone);
+	if (v) {
+		tmp = gmtime(&t);
+		if (tmp == NULL) {
+			(void) printf(tformat(), t);
+		} else {
+			dumptime(tmp);
+			(void) printf(" UTC");
+		}
+		(void) printf(" = ");
+	}
+	tmp = my_localtime(&t);
+	dumptime(tmp);
+	if (tmp != NULL) {
+		if (*abbr(tmp) != '\0')
+			(void) printf(" %s", abbr(tmp));
+		if (v) {
+			(void) printf(" isdst=%d", tmp->tm_isdst);
+#ifdef TM_GMTOFF
+			(void) printf(" gmtoff=%ld", tmp->TM_GMTOFF);
+#endif /* defined TM_GMTOFF */
+		}
+	}
+	(void) printf("\n");
+	if (tmp != NULL && *abbr(tmp) != '\0')
+		abbrok(abbr(tmp), zone);
+}
+
+static char *
+abbr(tmp)
+struct tm *	tmp;
+{
+	register char *	result;
+	static char	nada;
+
+	if (tmp->tm_isdst != 0 && tmp->tm_isdst != 1)
+		return &nada;
+	result = tzname[tmp->tm_isdst];
+	return (result == NULL) ? &nada : result;
+}
+
+/*
+** The code below can fail on certain theoretical systems;
+** it works on all known real-world systems as of 2004-12-30.
+*/
+
+static const char *
+tformat()
+{
+	if (0.5 == (time_t) 0.5) {	/* floating */
+		if (sizeof (time_t) > sizeof (double))
+			return "%Lg";
+		return "%g";
+	}
+	if (0 > (time_t) -1) {		/* signed */
+		if (sizeof (time_t) > sizeof (long))
+			return "%lld";
+		if (sizeof (time_t) > sizeof (int))
+			return "%ld";
+		return "%d";
+	}
+	if (sizeof (time_t) > sizeof (unsigned long))
+		return "%llu";
+	if (sizeof (time_t) > sizeof (unsigned int))
+		return "%lu";
+	return "%u";
+}
+
+static void
+dumptime(timeptr)
+register const struct tm *	timeptr;
+{
+	static const char	wday_name[][3] = {
+		"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
+	};
+	static const char	mon_name[][3] = {
+		"Jan", "Feb", "Mar", "Apr", "May", "Jun",
+		"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
+	};
+	register const char *	wn;
+	register const char *	mn;
+	register int		lead;
+	register int		trail;
+
+	if (timeptr == NULL) {
+		(void) printf("NULL");
+		return;
+	}
+	/*
+	** The packaged versions of localtime and gmtime never put out-of-range
+	** values in tm_wday or tm_mon, but since this code might be compiled
+	** with other (perhaps experimental) versions, paranoia is in order.
+	*/
+	if (timeptr->tm_wday < 0 || timeptr->tm_wday >=
+		(int) (sizeof wday_name / sizeof wday_name[0]))
+			wn = "???";
+	else		wn = wday_name[timeptr->tm_wday];
+	if (timeptr->tm_mon < 0 || timeptr->tm_mon >=
+		(int) (sizeof mon_name / sizeof mon_name[0]))
+			mn = "???";
+	else		mn = mon_name[timeptr->tm_mon];
+	(void) printf("%.3s %.3s%3d %.2d:%.2d:%.2d ",
+		wn, mn,
+		timeptr->tm_mday, timeptr->tm_hour,
+		timeptr->tm_min, timeptr->tm_sec);
+#define DIVISOR	10
+	trail = timeptr->tm_year % DIVISOR + TM_YEAR_BASE % DIVISOR;
+	lead = timeptr->tm_year / DIVISOR + TM_YEAR_BASE / DIVISOR +
+		trail / DIVISOR;
+	trail %= DIVISOR;
+	if (trail < 0 && lead > 0) {
+		trail += DIVISOR;
+		--lead;
+	} else if (lead < 0 && trail > 0) {
+		trail -= DIVISOR;
+		++lead;
+	}
+	if (lead == 0)
+		(void) printf("%d", trail);
+	else	(void) printf("%d%d", lead, ((trail < 0) ? -trail : trail));
+}
diff --git a/commands/zoneinfo/zic.8 b/commands/zoneinfo/zic.8
new file mode 100644
index 000000000..a99da49ff
--- /dev/null
+++ b/commands/zoneinfo/zic.8
@@ -0,0 +1,436 @@
+.TH ZIC 8
+.SH NAME
+zic \- time zone compiler
+.SH SYNOPSIS
+.B zic
+[
+.B \-\-version
+]
+[
+.B \-v
+] [
+.B \-d
+.I directory
+] [
+.B \-l
+.I localtime
+] [
+.B \-p
+.I posixrules
+] [
+.B \-L
+.I leapsecondfilename
+] [
+.B \-s
+] [
+.B \-y
+.I command
+] [
+.I filename
+\&... ]
+.SH DESCRIPTION
+.if t .ds lq ``
+.if t .ds rq ''
+.if n .ds lq \&"\"
+.if n .ds rq \&"\"
+.de q
+\\$3\*(lq\\$1\*(rq\\$2
+..
+.I Zic
+reads text from the file(s) named on the command line
+and creates the time conversion information files specified in this input.
+If a
+.I filename
+is
+.BR \- ,
+the standard input is read.
+.PP
+These options are available:
+.TP
+.BI "\-\-version"
+Output version information and exit.
+.TP
+.BI "\-d " directory
+Create time conversion information files in the named directory rather than
+in the standard directory named below.
+.TP
+.BI "\-l " timezone
+Use the given time zone as local time.
+.I Zic
+will act as if the input contained a link line of the form
+.sp
+.ti +.5i
+Link	\fItimezone\fP		localtime
+.TP
+.BI "\-p " timezone
+Use the given time zone's rules when handling POSIX-format
+time zone environment variables.
+.I Zic
+will act as if the input contained a link line of the form
+.sp
+.ti +.5i
+Link	\fItimezone\fP		posixrules
+.TP
+.BI "\-L " leapsecondfilename
+Read leap second information from the file with the given name.
+If this option is not used,
+no leap second information appears in output files.
+.TP
+.B \-v
+Complain if a year that appears in a data file is outside the range
+of years representable by
+.IR time (2)
+values.
+Also complain if a time of 24:00
+(which cannot be handled by pre-1998 versions of
+.IR zic )
+appears in the input.
+.TP
+.B \-s
+Limit time values stored in output files to values that are the same
+whether they're taken to be signed or unsigned.
+You can use this option to generate SVVS-compatible files.
+.TP
+.BI "\-y " command
+Use the given
+.I command
+rather than
+.B yearistype
+when checking year types (see below).
+.PP
+Input lines are made up of fields.
+Fields are separated from one another by any number of white space characters.
+Leading and trailing white space on input lines is ignored.
+An unquoted sharp character (#) in the input introduces a comment which extends
+to the end of the line the sharp character appears on.
+White space characters and sharp characters may be enclosed in double quotes
+(") if they're to be used as part of a field.
+Any line that is blank (after comment stripping) is ignored.
+Non-blank lines are expected to be of one of three types:
+rule lines, zone lines, and link lines.
+.PP
+A rule line has the form
+.nf
+.ti +.5i
+.ta \w'Rule\0\0'u +\w'NAME\0\0'u +\w'FROM\0\0'u +\w'1973\0\0'u +\w'TYPE\0\0'u +\w'Apr\0\0'u +\w'lastSun\0\0'u +\w'2:00\0\0'u +\w'SAVE\0\0'u
+.sp
+Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+.sp
+For example:
+.ti +.5i
+.sp
+Rule	US	1967	1973	\-	Apr	lastSun	2:00	1:00	D
+.sp
+.fi
+The fields that make up a rule line are:
+.TP "\w'LETTER/S'u"
+.B NAME
+Gives the (arbitrary) name of the set of rules this rule is part of.
+.TP
+.B FROM
+Gives the first year in which the rule applies.
+Any integer year can be supplied; the Gregorian calendar is assumed.
+The word
+.B minimum
+(or an abbreviation) means the minimum year representable as an integer.
+The word
+.B maximum
+(or an abbreviation) means the maximum year representable as an integer.
+Rules can describe times that are not representable as time values,
+with the unrepresentable times ignored; this allows rules to be portable
+among hosts with differing time value types.
+.TP
+.B TO
+Gives the final year in which the rule applies.
+In addition to
+.B minimum
+and
+.B maximum
+(as above),
+the word
+.B only
+(or an abbreviation)
+may be used to repeat the value of the
+.B FROM
+field.
+.TP
+.B TYPE
+Gives the type of year in which the rule applies.
+If
+.B TYPE
+is
+.B \-
+then the rule applies in all years between
+.B FROM
+and
+.B TO
+inclusive.
+If
+.B TYPE
+is something else, then
+.I zic
+executes the command
+.ti +.5i
+\fByearistype\fP \fIyear\fP \fItype\fP
+.br
+to check the type of a year:
+an exit status of zero is taken to mean that the year is of the given type;
+an exit status of one is taken to mean that the year is not of the given type.
+.TP
+.B IN
+Names the month in which the rule takes effect.
+Month names may be abbreviated.
+.TP
+.B ON
+Gives the day on which the rule takes effect.
+Recognized forms include:
+.nf
+.in +.5i
+.sp
+.ta \w'Sun<=25\0\0'u
+5	the fifth of the month
+lastSun	the last Sunday in the month
+lastMon	the last Monday in the month
+Sun>=8	first Sunday on or after the eighth
+Sun<=25	last Sunday on or before the 25th
+.fi
+.in -.5i
+.sp
+Names of days of the week may be abbreviated or spelled out in full.
+Note that there must be no spaces within the
+.B ON
+field.
+.TP
+.B AT
+Gives the time of day at which the rule takes effect.
+Recognized forms include:
+.nf
+.in +.5i
+.sp
+.ta \w'1:28:13\0\0'u
+2	time in hours
+2:00	time in hours and minutes
+15:00	24-hour format time (for times after noon)
+1:28:14	time in hours, minutes, and seconds
+\-	equivalent to 0
+.fi
+.in -.5i
+.sp
+where hour 0 is midnight at the start of the day,
+and hour 24 is midnight at the end of the day.
+Any of these forms may be followed by the letter
+.B w
+if the given time is local
+.q "wall clock"
+time,
+.B s
+if the given time is local
+.q standard
+time, or
+.B u
+(or
+.B g
+or
+.BR z )
+if the given time is universal time;
+in the absence of an indicator,
+wall clock time is assumed.
+.TP
+.B SAVE
+Gives the amount of time to be added to local standard time when the rule is in
+effect.
+This field has the same format as the
+.B AT
+field
+(although, of course, the
+.B w
+and
+.B s
+suffixes are not used).
+.TP
+.B LETTER/S
+Gives the
+.q "variable part"
+(for example, the
+.q S
+or
+.q D
+in
+.q EST
+or
+.q EDT )
+of time zone abbreviations to be used when this rule is in effect.
+If this field is
+.BR \- ,
+the variable part is null.
+.PP
+A zone line has the form
+.sp
+.nf
+.ti +.5i
+.ta \w'Zone\0\0'u +\w'Australia/Adelaide\0\0'u +\w'GMTOFF\0\0'u +\w'RULES/SAVE\0\0'u +\w'FORMAT\0\0'u
+Zone	NAME	GMTOFF	RULES/SAVE	FORMAT	[UNTIL]
+.sp
+For example:
+.sp
+.ti +.5i
+Zone	Australia/Adelaide	9:30	Aus	CST	1971 Oct 31 2:00
+.sp
+.fi
+The fields that make up a zone line are:
+.TP "\w'GMTOFF'u"
+.B NAME
+The name of the time zone.
+This is the name used in creating the time conversion information file for the
+zone.
+.TP
+.B GMTOFF
+The amount of time to add to UTC to get standard time in this zone.
+This field has the same format as the
+.B AT
+and
+.B SAVE
+fields of rule lines;
+begin the field with a minus sign if time must be subtracted from UTC.
+.TP
+.B RULES/SAVE
+The name of the rule(s) that apply in the time zone or,
+alternately, an amount of time to add to local standard time.
+If this field is
+.B \-
+then standard time always applies in the time zone.
+.TP
+.B FORMAT
+The format for time zone abbreviations in this time zone.
+The pair of characters
+.B %s
+is used to show where the
+.q "variable part"
+of the time zone abbreviation goes.
+Alternately,
+a slash (/)
+separates standard and daylight abbreviations.
+.TP
+.B UNTIL
+The time at which the UTC offset or the rule(s) change for a location.
+It is specified as a year, a month, a day, and a time of day.
+If this is specified,
+the time zone information is generated from the given UTC offset
+and rule change until the time specified.
+The month, day, and time of day have the same format as the IN, ON, and AT
+columns of a rule; trailing columns can be omitted, and default to the
+earliest possible value for the missing columns.
+.IP
+The next line must be a
+.q continuation
+line; this has the same form as a zone line except that the
+string
+.q Zone
+and the name are omitted, as the continuation line will
+place information starting at the time specified as the
+.B UNTIL
+field in the previous line in the file used by the previous line.
+Continuation lines may contain an
+.B UNTIL
+field, just as zone lines do, indicating that the next line is a further
+continuation.
+.PP
+A link line has the form
+.sp
+.nf
+.ti +.5i
+.ta \w'Link\0\0'u +\w'Europe/Istanbul\0\0'u
+Link	LINK-FROM	LINK-TO
+.sp
+For example:
+.sp
+.ti +.5i
+Link	Europe/Istanbul	Asia/Istanbul
+.sp
+.fi
+The
+.B LINK-FROM
+field should appear as the
+.B NAME
+field in some zone line;
+the
+.B LINK-TO
+field is used as an alternate name for that zone.
+.PP
+Except for continuation lines,
+lines may appear in any order in the input.
+.PP
+Lines in the file that describes leap seconds have the following form:
+.nf
+.ti +.5i
+.ta \w'Leap\0\0'u +\w'YEAR\0\0'u +\w'MONTH\0\0'u +\w'DAY\0\0'u +\w'HH:MM:SS\0\0'u +\w'CORR\0\0'u
+.sp
+Leap	YEAR	MONTH	DAY	HH:MM:SS	CORR	R/S
+.sp
+For example:
+.ti +.5i
+.sp
+Leap	1974	Dec	31	23:59:60	+	S
+.sp
+.fi
+The
+.BR YEAR ,
+.BR MONTH ,
+.BR DAY ,
+and
+.B HH:MM:SS
+fields tell when the leap second happened.
+The
+.B CORR
+field
+should be
+.q +
+if a second was added
+or
+.q -
+if a second was skipped.
+.\" There's no need to document the following, since it's impossible for more
+.\" than one leap second to be inserted or deleted at a time.
+.\" The C Standard is in error in suggesting the possibility.
+.\" See Terry J Quinn, The BIPM and the accurate measure of time,
+.\" Proc IEEE 79, 7 (July 1991), 894-905.
+.\"	or
+.\"	.q ++
+.\"	if two seconds were added
+.\"	or
+.\"	.q --
+.\"	if two seconds were skipped.
+The
+.B R/S
+field
+should be (an abbreviation of)
+.q Stationary
+if the leap second time given by the other fields should be interpreted as UTC
+or
+(an abbreviation of)
+.q Rolling
+if the leap second time given by the other fields should be interpreted as
+local wall clock time.
+.SH NOTES
+For areas with more than two types of local time,
+you may need to use local standard time in the
+.B AT
+field of the earliest transition time's rule to ensure that
+the earliest transition time recorded in the compiled file is correct.
+.PP
+If,
+for a particular zone,
+a clock advance caused by the start of daylight saving
+coincides with and is equal to
+a clock retreat caused by a change in UTC offset,
+.IR zic
+produces a single transition to daylight saving at the new UTC offset 
+(without any change in wall clock time).
+To get separate transitions
+use multiple zone continuation lines
+specifying transition instants using universal time.
+.SH FILE
+/usr/local/etc/zoneinfo	standard directory used for created files
+.SH "SEE ALSO"
+newctime(3), tzfile(5), zdump(8)
+.\" @(#)zic.8	7.24
diff --git a/commands/zoneinfo/zic.8.txt b/commands/zoneinfo/zic.8.txt
new file mode 100644
index 000000000..45c4d304f
--- /dev/null
+++ b/commands/zoneinfo/zic.8.txt
@@ -0,0 +1,259 @@
+NAME
+
+     zic - time zone compiler
+
+SYNOPSIS
+     zic [ --version ] [ -v ] [ -d directory ] [ -l localtime ] [
+     -p posixrules ] [ -L leapsecondfilename ] [ -s ] [ -y
+     command ] [ filename ... ]
+
+DESCRIPTION
+     Zic reads text from the file(s) named on the command line
+     and creates the time conversion information files specified
+     in this input.  If a filename is -, the standard input is
+     read.
+
+     These options are available:
+
+     --version
+          Output version information and exit.
+
+     -d directory
+          Create time conversion information files in the named
+          directory rather than in the standard directory named
+          below.
+
+     -l timezone
+          Use the given time zone as local time.  Zic will act as
+          if the input contained a link line of the form
+
+               Link timezone       localtime
+
+     -p timezone
+          Use the given time zone's rules when handling POSIX-
+          format time zone environment variables.  Zic will act
+          as if the input contained a link line of the form
+
+               Link timezone       posixrules
+
+     -L leapsecondfilename
+          Read leap second information from the file with the
+          given name.  If this option is not used, no leap second
+          information appears in output files.
+
+     -v   Complain if a year that appears in a data file is
+          outside the range of years representable by time(2)
+          values.  Also complain if a time of 24:00 (which cannot
+          be handled by pre-1998 versions of zic) appears in the
+          input.
+
+     -s   Limit time values stored in output files to values that
+          are the same whether they're taken to be signed or
+          unsigned.  You can use this option to generate SVVS-
+          compatible files.
+
+     -y command
+          Use the given command rather than yearistype when
+          checking year types (see below).
+
+     Input lines are made up of fields.  Fields are separated
+     from one another by any number of white space characters.
+     Leading and trailing white space on input lines is ignored.
+     An unquoted sharp character (#) in the input introduces a
+     comment which extends to the end of the line the sharp
+     character appears on.  White space characters and sharp
+     characters may be enclosed in double quotes (") if they're
+     to be used as part of a field.  Any line that is blank
+     (after comment stripping) is ignored.  Non-blank lines are
+     expected to be of one of three types:  rule lines, zone
+     lines, and link lines.
+
+     A rule line has the form
+
+          Rule  NAME  FROM  TO    TYPE  IN   ON       AT    SAVE  LETTER/S
+
+     For example:
+
+          Rule  US    1967  1973  -     Apr  lastSun  2:00  1:00  D
+
+     The fields that make up a rule line are:
+
+     NAME    Gives the (arbitrary) name of the set of rules this
+             rule is part of.
+
+     FROM    Gives the first year in which the rule applies.  Any
+             integer year can be supplied; the Gregorian calendar
+             is assumed.  The word minimum (or an abbreviation)
+             means the minimum year representable as an integer.
+             The word maximum (or an abbreviation) means the
+             maximum year representable as an integer.  Rules can
+             describe times that are not representable as time
+             values, with the unrepresentable times ignored; this
+             allows rules to be portable among hosts with
+             differing time value types.
+
+     TO      Gives the final year in which the rule applies.  In
+             addition to minimum and maximum (as above), the word
+             only (or an abbreviation) may be used to repeat the
+             value of the FROM field.
+
+     TYPE    Gives the type of year in which the rule applies.
+             If TYPE is - then the rule applies in all years
+             between FROM and TO inclusive.  If TYPE is something
+             else, then zic executes the command
+                  yearistype year type
+             to check the type of a year:  an exit status of zero
+             is taken to mean that the year is of the given type;
+             an exit status of one is taken to mean that the year
+             is not of the given type.
+
+     IN      Names the month in which the rule takes effect.
+             Month names may be abbreviated.
+
+     ON      Gives the day on which the rule takes effect.
+             Recognized forms include:
+
+                  5        the fifth of the month
+                  lastSun  the last Sunday in the month
+                  lastMon  the last Monday in the month
+                  Sun>=8   first Sunday on or after the eighth
+                  Sun<=25  last Sunday on or before the 25th
+
+             Names of days of the week may be abbreviated or
+             spelled out in full.  Note that there must be no
+             spaces within the ON field.
+
+     AT      Gives the time of day at which the rule takes
+             effect.  Recognized forms include:
+
+                  2        time in hours
+                  2:00     time in hours and minutes
+                  15:00    24-hour format time (for times after noon)
+                  1:28:14  time in hours, minutes, and seconds
+                  -        equivalent to 0
+
+             where hour 0 is midnight at the start of the day,
+             and hour 24 is midnight at the end of the day.  Any
+             of these forms may be followed by the letter w if
+             the given time is local "wall clock" time, s if the
+             given time is local "standard" time, or u (or g or
+             z) if the given time is universal time; in the
+             absence of an indicator, wall clock time is assumed.
+
+     SAVE    Gives the amount of time to be added to local
+             standard time when the rule is in effect.  This
+             field has the same format as the AT field (although,
+             of course, the w and s suffixes are not used).
+
+     LETTER/S
+             Gives the "variable part" (for example, the "S" or
+             "D" in "EST" or "EDT") of time zone abbreviations to
+             be used when this rule is in effect.  If this field
+             is -, the variable part is null.
+
+     A zone line has the form
+
+          Zone  NAME                GMTOFF  RULES/SAVE  FORMAT  [UNTIL]
+
+     For example:
+
+          Zone  Australia/Adelaide  9:30    Aus         CST     1971 Oct 31 2:00
+
+     The fields that make up a zone line are:
+
+     NAME  The name of the time zone.  This is the name used in
+           creating the time conversion information file for the
+           zone.
+
+     GMTOFF
+           The amount of time to add to UTC to get standard time
+           in this zone.  This field has the same format as the
+           AT and SAVE fields of rule lines; begin the field with
+           a minus sign if time must be subtracted from UTC.
+
+     RULES/SAVE
+           The name of the rule(s) that apply in the time zone
+           or, alternately, an amount of time to add to local
+           standard time.  If this field is - then standard time
+           always applies in the time zone.
+
+     FORMAT
+           The format for time zone abbreviations in this time
+           zone.  The pair of characters %s is used to show where
+           the "variable part" of the time zone abbreviation
+           goes.  Alternately, a slash (/) separates standard and
+           daylight abbreviations.
+
+     UNTIL The time at which the UTC offset or the rule(s) change
+           for a location.  It is specified as a year, a month, a
+           day, and a time of day.  If this is specified, the
+           time zone information is generated from the given UTC
+           offset and rule change until the time specified.  The
+           month, day, and time of day have the same format as
+           the IN, ON, and AT columns of a rule; trailing columns
+           can be omitted, and default to the earliest possible
+           value for the missing columns.
+
+           The next line must be a "continuation" line; this has
+           the same form as a zone line except that the string
+           "Zone" and the name are omitted, as the continuation
+           line will place information starting at the time
+           specified as the UNTIL field in the previous line in
+           the file used by the previous line.  Continuation
+           lines may contain an UNTIL field, just as zone lines
+           do, indicating that the next line is a further
+           continuation.
+
+     A link line has the form
+
+          Link  LINK-FROM        LINK-TO
+
+     For example:
+
+          Link  Europe/Istanbul  Asia/Istanbul
+
+     The LINK-FROM field should appear as the NAME field in some
+     zone line; the LINK-TO field is used as an alternate name
+     for that zone.
+
+     Except for continuation lines, lines may appear in any order
+     in the input.
+
+     Lines in the file that describes leap seconds have the
+     following form:
+
+          Leap  YEAR  MONTH  DAY  HH:MM:SS  CORR  R/S
+
+     For example:
+
+          Leap  1974  Dec    31   23:59:60  +     S
+
+     The YEAR, MONTH, DAY, and HH:MM:SS fields tell when the leap
+     second happened.  The CORR field should be "+" if a second
+     was added or "-" if a second was skipped.  The R/S field
+     should be (an abbreviation of) "Stationary" if the leap
+     second time given by the other fields should be interpreted
+     as UTC or (an abbreviation of) "Rolling" if the leap second
+     time given by the other fields should be interpreted as
+     local wall clock time.
+
+NOTES
+     For areas with more than two types of local time, you may
+     need to use local standard time in the AT field of the
+     earliest transition time's rule to ensure that the earliest
+     transition time recorded in the compiled file is correct.
+
+     If, for a particular zone, a clock advance caused by the
+     start of daylight saving coincides with and is equal to a
+     clock retreat caused by a change in UTC offset, zic produces
+     a single transition to daylight saving at the new UTC offset
+     (without any change in wall clock time).  To get separate
+     transitions use multiple zone continuation lines specifying
+     transition instants using universal time.
+
+FILE
+     /usr/local/etc/zoneinfo standard directory used for created
+     files
+
+SEE ALSO
+     newctime(3), tzfile(5), zdump(8)
diff --git a/commands/zoneinfo/zic.c b/commands/zoneinfo/zic.c
new file mode 100644
index 000000000..128bf10ff
--- /dev/null
+++ b/commands/zoneinfo/zic.c
@@ -0,0 +1,2316 @@
+static char	elsieid[] = "@(#)zic.c	7.128";
+
+/*
+** Regardless of the type of time_t, we do our work using this type.
+*/
+
+typedef int	zic_t;
+
+#include "private.h"
+#include "locale.h"
+#include "tzfile.h"
+
+#ifndef ZIC_MAX_ABBR_LEN_WO_WARN
+#define ZIC_MAX_ABBR_LEN_WO_WARN	6
+#endif /* !defined ZIC_MAX_ABBR_LEN_WO_WARN */
+
+#if HAVE_SYS_STAT_H
+#include "sys/stat.h"
+#endif
+#ifdef S_IRUSR
+#define MKDIR_UMASK (S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH)
+#else
+#define MKDIR_UMASK 0755
+#endif
+
+/*
+** On some ancient hosts, predicates like `isspace(C)' are defined
+** only if isascii(C) || C == EOF. Modern hosts obey the C Standard,
+** which says they are defined only if C == ((unsigned char) C) || C == EOF.
+** Neither the C Standard nor Posix require that `isascii' exist.
+** For portability, we check both ancient and modern requirements.
+** If isascii is not defined, the isascii check succeeds trivially.
+*/
+#include "ctype.h"
+#ifndef isascii
+#define isascii(x) 1
+#endif
+
+struct rule {
+	const char *	r_filename;
+	int		r_linenum;
+	const char *	r_name;
+
+	int		r_loyear;	/* for example, 1986 */
+	int		r_hiyear;	/* for example, 1986 */
+	const char *	r_yrtype;
+
+	int		r_month;	/* 0..11 */
+
+	int		r_dycode;	/* see below */
+	int		r_dayofmonth;
+	int		r_wday;
+
+	long		r_tod;		/* time from midnight */
+	int		r_todisstd;	/* above is standard time if TRUE */
+					/* or wall clock time if FALSE */
+	int		r_todisgmt;	/* above is GMT if TRUE */
+					/* or local time if FALSE */
+	long		r_stdoff;	/* offset from standard time */
+	const char *	r_abbrvar;	/* variable part of abbreviation */
+
+	int		r_todo;		/* a rule to do (used in outzone) */
+	zic_t		r_temp;		/* used in outzone */
+};
+
+/*
+**	r_dycode		r_dayofmonth	r_wday
+*/
+
+#define DC_DOM		0	/* 1..31 */	/* unused */
+#define DC_DOWGEQ	1	/* 1..31 */	/* 0..6 (Sun..Sat) */
+#define DC_DOWLEQ	2	/* 1..31 */	/* 0..6 (Sun..Sat) */
+
+struct zone {
+	const char *	z_filename;
+	int		z_linenum;
+
+	const char *	z_name;
+	long		z_gmtoff;
+	const char *	z_rule;
+	const char *	z_format;
+
+	long		z_stdoff;
+
+	struct rule *	z_rules;
+	int		z_nrules;
+
+	struct rule	z_untilrule;
+	zic_t		z_untiltime;
+};
+
+extern int	getopt P((int argc, char * const argv[],
+			const char * options));
+extern int	link P((const char * fromname, const char * toname));
+extern char *	optarg;
+extern int	optind;
+
+static void	addtt P((zic_t starttime, int type));
+static int	addtype P((long gmtoff, const char * abbr, int isdst,
+				int ttisstd, int ttisgmt));
+static void	leapadd P((zic_t t, int positive, int rolling, int count));
+static void	adjleap P((void));
+static void	associate P((void));
+static int	ciequal P((const char * ap, const char * bp));
+static void	convert P((long val, char * buf));
+static void	dolink P((const char * fromfile, const char * tofile));
+static void	doabbr P((char * abbr, const char * format,
+			const char * letters, int isdst));
+static void	eat P((const char * name, int num));
+static void	eats P((const char * name, int num,
+			const char * rname, int rnum));
+static long	eitol P((int i));
+static void	error P((const char * message));
+static char **	getfields P((char * buf));
+static long	gethms P((const char * string, const char * errstrng,
+			int signable));
+static void	infile P((const char * filename));
+static void	inleap P((char ** fields, int nfields));
+static void	inlink P((char ** fields, int nfields));
+static void	inrule P((char ** fields, int nfields));
+static int	inzcont P((char ** fields, int nfields));
+static int	inzone P((char ** fields, int nfields));
+static int	inzsub P((char ** fields, int nfields, int iscont));
+static int	itsabbr P((const char * abbr, const char * word));
+static int	itsdir P((const char * name));
+static int	lowerit P((int c));
+static char *	memcheck P((char * tocheck));
+static int	mkdirs P((char * filename));
+static void	newabbr P((const char * abbr));
+static long	oadd P((long t1, long t2));
+static void	outzone P((const struct zone * zp, int ntzones));
+static void	puttzcode P((long code, FILE * fp));
+static int	rcomp P((const void * leftp, const void * rightp));
+static zic_t	rpytime P((const struct rule * rp, int wantedy));
+static void	rulesub P((struct rule * rp,
+			const char * loyearp, const char * hiyearp,
+			const char * typep, const char * monthp,
+			const char * dayp, const char * timep));
+static void	setboundaries P((void));
+static zic_t	tadd P((zic_t t1, long t2));
+static void	usage P((void));
+static void	writezone P((const char * name));
+static int	yearistype P((int year, const char * type));
+
+#if !HAVE_STRERROR
+static char *	strerror P((int));
+#endif /* !HAVE_STRERROR */
+
+static int		charcnt;
+static int		errors;
+static const char *	filename;
+static int		leapcnt;
+static int		linenum;
+static zic_t		max_time;
+static int		max_year;
+static int		max_year_representable;
+static zic_t		min_time;
+static int		min_year;
+static int		min_year_representable;
+static int		noise;
+static const char *	rfilename;
+static int		rlinenum;
+static const char *	progname;
+static int		timecnt;
+static int		typecnt;
+
+/*
+** Line codes.
+*/
+
+#define LC_RULE		0
+#define LC_ZONE		1
+#define LC_LINK		2
+#define LC_LEAP		3
+
+/*
+** Which fields are which on a Zone line.
+*/
+
+#define ZF_NAME		1
+#define ZF_GMTOFF	2
+#define ZF_RULE		3
+#define ZF_FORMAT	4
+#define ZF_TILYEAR	5
+#define ZF_TILMONTH	6
+#define ZF_TILDAY	7
+#define ZF_TILTIME	8
+#define ZONE_MINFIELDS	5
+#define ZONE_MAXFIELDS	9
+
+/*
+** Which fields are which on a Zone continuation line.
+*/
+
+#define ZFC_GMTOFF	0
+#define ZFC_RULE	1
+#define ZFC_FORMAT	2
+#define ZFC_TILYEAR	3
+#define ZFC_TILMONTH	4
+#define ZFC_TILDAY	5
+#define ZFC_TILTIME	6
+#define ZONEC_MINFIELDS	3
+#define ZONEC_MAXFIELDS	7
+
+/*
+** Which files are which on a Rule line.
+*/
+
+#define RF_NAME		1
+#define RF_LOYEAR	2
+#define RF_HIYEAR	3
+#define RF_COMMAND	4
+#define RF_MONTH	5
+#define RF_DAY		6
+#define RF_TOD		7
+#define RF_STDOFF	8
+#define RF_ABBRVAR	9
+#define RULE_FIELDS	10
+
+/*
+** Which fields are which on a Link line.
+*/
+
+#define LF_FROM		1
+#define LF_TO		2
+#define LINK_FIELDS	3
+
+/*
+** Which fields are which on a Leap line.
+*/
+
+#define LP_YEAR		1
+#define LP_MONTH	2
+#define LP_DAY		3
+#define LP_TIME		4
+#define LP_CORR		5
+#define LP_ROLL		6
+#define LEAP_FIELDS	7
+
+/*
+** Year synonyms.
+*/
+
+#define YR_MINIMUM	0
+#define YR_MAXIMUM	1
+#define YR_ONLY		2
+
+static struct rule *	rules;
+static int		nrules;	/* number of rules */
+
+static struct zone *	zones;
+static int		nzones;	/* number of zones */
+
+struct link {
+	const char *	l_filename;
+	int		l_linenum;
+	const char *	l_from;
+	const char *	l_to;
+};
+
+static struct link *	links;
+static int		nlinks;
+
+struct lookup {
+	const char *	l_word;
+	const int	l_value;
+};
+
+static struct lookup const *	byword P((const char * string,
+					const struct lookup * lp));
+
+static struct lookup const	line_codes[] = {
+	{ "Rule",	LC_RULE },
+	{ "Zone",	LC_ZONE },
+	{ "Link",	LC_LINK },
+	{ "Leap",	LC_LEAP },
+	{ NULL,		0}
+};
+
+static struct lookup const	mon_names[] = {
+	{ "January",	TM_JANUARY },
+	{ "February",	TM_FEBRUARY },
+	{ "March",	TM_MARCH },
+	{ "April",	TM_APRIL },
+	{ "May",	TM_MAY },
+	{ "June",	TM_JUNE },
+	{ "July",	TM_JULY },
+	{ "August",	TM_AUGUST },
+	{ "September",	TM_SEPTEMBER },
+	{ "October",	TM_OCTOBER },
+	{ "November",	TM_NOVEMBER },
+	{ "December",	TM_DECEMBER },
+	{ NULL,		0 }
+};
+
+static struct lookup const	wday_names[] = {
+	{ "Sunday",	TM_SUNDAY },
+	{ "Monday",	TM_MONDAY },
+	{ "Tuesday",	TM_TUESDAY },
+	{ "Wednesday",	TM_WEDNESDAY },
+	{ "Thursday",	TM_THURSDAY },
+	{ "Friday",	TM_FRIDAY },
+	{ "Saturday",	TM_SATURDAY },
+	{ NULL,		0 }
+};
+
+static struct lookup const	lasts[] = {
+	{ "last-Sunday",	TM_SUNDAY },
+	{ "last-Monday",	TM_MONDAY },
+	{ "last-Tuesday",	TM_TUESDAY },
+	{ "last-Wednesday",	TM_WEDNESDAY },
+	{ "last-Thursday",	TM_THURSDAY },
+	{ "last-Friday",	TM_FRIDAY },
+	{ "last-Saturday",	TM_SATURDAY },
+	{ NULL,			0 }
+};
+
+static struct lookup const	begin_years[] = {
+	{ "minimum",	YR_MINIMUM },
+	{ "maximum",	YR_MAXIMUM },
+	{ NULL,		0 }
+};
+
+static struct lookup const	end_years[] = {
+	{ "minimum",	YR_MINIMUM },
+	{ "maximum",	YR_MAXIMUM },
+	{ "only",	YR_ONLY },
+	{ NULL,		0 }
+};
+
+static struct lookup const	leap_types[] = {
+	{ "Rolling",	TRUE },
+	{ "Stationary",	FALSE },
+	{ NULL,		0 }
+};
+
+static const int	len_months[2][MONSPERYEAR] = {
+	{ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 },
+	{ 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }
+};
+
+static const int	len_years[2] = {
+	DAYSPERNYEAR, DAYSPERLYEAR
+};
+
+static struct attype {
+	zic_t		at;
+	unsigned char	type;
+}			attypes[TZ_MAX_TIMES];
+static long		gmtoffs[TZ_MAX_TYPES];
+static char		isdsts[TZ_MAX_TYPES];
+static unsigned char	abbrinds[TZ_MAX_TYPES];
+static char		ttisstds[TZ_MAX_TYPES];
+static char		ttisgmts[TZ_MAX_TYPES];
+static char		chars[TZ_MAX_CHARS];
+static zic_t		trans[TZ_MAX_LEAPS];
+static long		corr[TZ_MAX_LEAPS];
+static char		roll[TZ_MAX_LEAPS];
+
+/*
+** Memory allocation.
+*/
+
+static char *
+memcheck(ptr)
+char * const	ptr;
+{
+	if (ptr == NULL) {
+		const char *e = strerror(errno);
+
+		(void) fprintf(stderr, _("%s: Memory exhausted: %s\n"),
+			progname, e);
+		exit(EXIT_FAILURE);
+	}
+	return ptr;
+}
+
+#define emalloc(size)		memcheck(imalloc(size))
+#define erealloc(ptr, size)	memcheck(irealloc((ptr), (size)))
+#define ecpyalloc(ptr)		memcheck(icpyalloc(ptr))
+#define ecatalloc(oldp, newp)	memcheck(icatalloc((oldp), (newp)))
+
+/*
+** Error handling.
+*/
+
+#if !HAVE_STRERROR
+static char *
+strerror(errnum)
+int	errnum;
+{
+	extern char *	sys_errlist[];
+	extern int	sys_nerr;
+
+	return (errnum > 0 && errnum <= sys_nerr) ?
+		sys_errlist[errnum] : _("Unknown system error");
+}
+#endif /* !HAVE_STRERROR */
+
+static void
+eats(name, num, rname, rnum)
+const char * const	name;
+const int		num;
+const char * const	rname;
+const int		rnum;
+{
+	filename = name;
+	linenum = num;
+	rfilename = rname;
+	rlinenum = rnum;
+}
+
+static void
+eat(name, num)
+const char * const	name;
+const int		num;
+{
+	eats(name, num, (char *) NULL, -1);
+}
+
+static void
+error(string)
+const char * const	string;
+{
+	/*
+	** Match the format of "cc" to allow sh users to
+	**	zic ... 2>&1 | error -t "*" -v
+	** on BSD systems.
+	*/
+	(void) fprintf(stderr, _("\"%s\", line %d: %s"),
+		filename, linenum, string);
+	if (rfilename != NULL)
+		(void) fprintf(stderr, _(" (rule from \"%s\", line %d)"),
+			rfilename, rlinenum);
+	(void) fprintf(stderr, "\n");
+	++errors;
+}
+
+static void
+warning(string)
+const char * const	string;
+{
+	char *	cp;
+
+	cp = ecpyalloc(_("warning: "));
+	cp = ecatalloc(cp, string);
+	error(cp);
+	ifree(cp);
+	--errors;
+}
+
+static void
+usage P((void))
+{
+	(void) fprintf(stderr, _("%s: usage is %s \
+[ --version ] [ -s ] [ -v ] [ -l localtime ] [ -p posixrules ] \\\n\
+\t[ -d directory ] [ -L leapseconds ] [ -y yearistype ] [ filename ... ]\n"),
+		progname, progname);
+	exit(EXIT_FAILURE);
+}
+
+static const char *	psxrules;
+static const char *	lcltime;
+static const char *	directory;
+static const char *	leapsec;
+static const char *	yitcommand;
+static int		sflag = FALSE;
+
+int
+main(argc, argv)
+int	argc;
+char *	argv[];
+{
+	register int	i;
+	register int	j;
+	register int	c;
+
+#ifdef unix
+	(void) umask(umask(S_IWGRP | S_IWOTH) | (S_IWGRP | S_IWOTH));
+#endif /* defined unix */
+#if HAVE_GETTEXT
+	(void) setlocale(LC_ALL, "");
+#ifdef TZ_DOMAINDIR
+	(void) bindtextdomain(TZ_DOMAIN, TZ_DOMAINDIR);
+#endif /* defined TEXTDOMAINDIR */
+	(void) textdomain(TZ_DOMAIN);
+#endif /* HAVE_GETTEXT */
+	progname = argv[0];
+	for (i = 1; i < argc; ++i)
+		if (strcmp(argv[i], "--version") == 0) {
+			(void) printf("%s\n", elsieid);
+			exit(EXIT_SUCCESS);
+		}
+	while ((c = getopt(argc, argv, "d:l:p:L:vsy:")) != EOF && c != -1)
+		switch (c) {
+			default:
+				usage();
+			case 'd':
+				if (directory == NULL)
+					directory = optarg;
+				else {
+					(void) fprintf(stderr,
+_("%s: More than one -d option specified\n"),
+						progname);
+					exit(EXIT_FAILURE);
+				}
+				break;
+			case 'l':
+				if (lcltime == NULL)
+					lcltime = optarg;
+				else {
+					(void) fprintf(stderr,
+_("%s: More than one -l option specified\n"),
+						progname);
+					exit(EXIT_FAILURE);
+				}
+				break;
+			case 'p':
+				if (psxrules == NULL)
+					psxrules = optarg;
+				else {
+					(void) fprintf(stderr,
+_("%s: More than one -p option specified\n"),
+						progname);
+					exit(EXIT_FAILURE);
+				}
+				break;
+			case 'y':
+				if (yitcommand == NULL)
+					yitcommand = optarg;
+				else {
+					(void) fprintf(stderr,
+_("%s: More than one -y option specified\n"),
+						progname);
+					exit(EXIT_FAILURE);
+				}
+				break;
+			case 'L':
+				if (leapsec == NULL)
+					leapsec = optarg;
+				else {
+					(void) fprintf(stderr,
+_("%s: More than one -L option specified\n"),
+						progname);
+					exit(EXIT_FAILURE);
+				}
+				break;
+			case 'v':
+				noise = TRUE;
+				break;
+			case 's':
+				sflag = TRUE;
+				break;
+		}
+	if (optind == argc - 1 && strcmp(argv[optind], "=") == 0)
+		usage();	/* usage message by request */
+	if (directory == NULL)
+		directory = TZDIR;
+	if (yitcommand == NULL)
+		yitcommand = "yearistype";
+
+	setboundaries();
+
+	if (optind < argc && leapsec != NULL) {
+		infile(leapsec);
+		adjleap();
+	}
+
+	for (i = optind; i < argc; ++i)
+		infile(argv[i]);
+	if (errors)
+		exit(EXIT_FAILURE);
+	associate();
+	for (i = 0; i < nzones; i = j) {
+		/*
+		** Find the next non-continuation zone entry.
+		*/
+		for (j = i + 1; j < nzones && zones[j].z_name == NULL; ++j)
+			continue;
+		outzone(&zones[i], j - i);
+	}
+	/*
+	** Make links.
+	*/
+	for (i = 0; i < nlinks; ++i) {
+		eat(links[i].l_filename, links[i].l_linenum);
+		dolink(links[i].l_from, links[i].l_to);
+		if (noise)
+			for (j = 0; j < nlinks; ++j)
+				if (strcmp(links[i].l_to,
+					links[j].l_from) == 0)
+						warning(_("link to link"));
+	}
+	if (lcltime != NULL) {
+		eat("command line", 1);
+		dolink(lcltime, TZDEFAULT);
+	}
+	if (psxrules != NULL) {
+		eat("command line", 1);
+		dolink(psxrules, TZDEFRULES);
+	}
+	return (errors == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
+}
+
+static void
+dolink(fromfile, tofile)
+const char * const	fromfile;
+const char * const	tofile;
+{
+	register char *	fromname;
+	register char *	toname;
+
+	if (fromfile[0] == '/')
+		fromname = ecpyalloc(fromfile);
+	else {
+		fromname = ecpyalloc(directory);
+		fromname = ecatalloc(fromname, "/");
+		fromname = ecatalloc(fromname, fromfile);
+	}
+	if (tofile[0] == '/')
+		toname = ecpyalloc(tofile);
+	else {
+		toname = ecpyalloc(directory);
+		toname = ecatalloc(toname, "/");
+		toname = ecatalloc(toname, tofile);
+	}
+	/*
+	** We get to be careful here since
+	** there's a fair chance of root running us.
+	*/
+	if (!itsdir(toname))
+		(void) remove(toname);
+	if (link(fromname, toname) != 0) {
+		int	result;
+
+		if (mkdirs(toname) != 0)
+			exit(EXIT_FAILURE);
+
+		result = link(fromname, toname);
+#if HAVE_SYMLINK
+		if (result != 0 &&
+			access(fromname, F_OK) == 0 &&
+			!itsdir(fromname)) {
+				const char *s = tofile;
+				register char * symlinkcontents = NULL;
+
+				while ((s = strchr(s+1, '/')) != NULL)
+					symlinkcontents =
+						ecatalloc(symlinkcontents,
+						"../");
+				symlinkcontents =
+					ecatalloc(symlinkcontents,
+					fromfile);
+				result = symlink(symlinkcontents,
+					toname);
+				if (result == 0)
+warning(_("hard link failed, symbolic link used"));
+				ifree(symlinkcontents);
+		}
+#endif /* HAVE_SYMLINK */
+		if (result != 0) {
+			const char *e = strerror(errno);
+
+			(void) fprintf(stderr,
+				_("%s: Can't link from %s to %s: %s\n"),
+				progname, fromname, toname, e);
+			exit(EXIT_FAILURE);
+		}
+	}
+	ifree(fromname);
+	ifree(toname);
+}
+
+#ifndef INT_MAX
+#define INT_MAX	((int) (((unsigned)~0)>>1))
+#endif /* !defined INT_MAX */
+
+#ifndef INT_MIN
+#define INT_MIN	((int) ~(((unsigned)~0)>>1))
+#endif /* !defined INT_MIN */
+
+/*
+** The tz file format currently allows at most 32-bit quantities.
+** This restriction should be removed before signed 32-bit values
+** wrap around in 2038, but unfortunately this will require a
+** change to the tz file format.
+*/
+
+#define MAX_BITS_IN_FILE	32
+#define TIME_T_BITS_IN_FILE	((TYPE_BIT(zic_t) < MAX_BITS_IN_FILE) ? \
+					TYPE_BIT(zic_t) : MAX_BITS_IN_FILE)
+
+static void
+setboundaries P((void))
+{
+	register int	i;
+
+	if (TYPE_SIGNED(zic_t)) {
+		min_time = -1;
+		for (i = 0; i < TIME_T_BITS_IN_FILE - 1; ++i)
+			min_time *= 2;
+		max_time = -(min_time + 1);
+		if (sflag)
+			min_time = 0;
+	} else {
+		min_time = 0;
+		max_time = 2 - sflag;
+		for (i = 0; i < TIME_T_BITS_IN_FILE - 1; ++i)
+			max_time *= 2;
+		--max_time;
+	}
+	{
+		time_t	t;
+
+		t = (time_t) min_time;
+		min_year = TM_YEAR_BASE + gmtime(&t)->tm_year;
+		t = (time_t) max_time;
+		max_year = TM_YEAR_BASE + gmtime(&t)->tm_year;
+	}
+	min_year_representable = min_year;
+	max_year_representable = max_year;
+}
+
+static int
+itsdir(name)
+const char * const	name;
+{
+	register char *	myname;
+	register int	accres;
+
+	myname = ecpyalloc(name);
+	myname = ecatalloc(myname, "/.");
+	accres = access(myname, F_OK);
+	ifree(myname);
+	return accres == 0;
+}
+
+/*
+** Associate sets of rules with zones.
+*/
+
+/*
+** Sort by rule name.
+*/
+
+static int
+rcomp(cp1, cp2)
+const void *	cp1;
+const void *	cp2;
+{
+	return strcmp(((const struct rule *) cp1)->r_name,
+		((const struct rule *) cp2)->r_name);
+}
+
+static void
+associate P((void))
+{
+	register struct zone *	zp;
+	register struct rule *	rp;
+	register int		base, out;
+	register int		i, j;
+
+	if (nrules != 0) {
+		(void) qsort((void *) rules, (size_t) nrules,
+			(size_t) sizeof *rules, rcomp);
+		for (i = 0; i < nrules - 1; ++i) {
+			if (strcmp(rules[i].r_name,
+				rules[i + 1].r_name) != 0)
+					continue;
+			if (strcmp(rules[i].r_filename,
+				rules[i + 1].r_filename) == 0)
+					continue;
+			eat(rules[i].r_filename, rules[i].r_linenum);
+			warning(_("same rule name in multiple files"));
+			eat(rules[i + 1].r_filename, rules[i + 1].r_linenum);
+			warning(_("same rule name in multiple files"));
+			for (j = i + 2; j < nrules; ++j) {
+				if (strcmp(rules[i].r_name,
+					rules[j].r_name) != 0)
+						break;
+				if (strcmp(rules[i].r_filename,
+					rules[j].r_filename) == 0)
+						continue;
+				if (strcmp(rules[i + 1].r_filename,
+					rules[j].r_filename) == 0)
+						continue;
+				break;
+			}
+			i = j - 1;
+		}
+	}
+	for (i = 0; i < nzones; ++i) {
+		zp = &zones[i];
+		zp->z_rules = NULL;
+		zp->z_nrules = 0;
+	}
+	for (base = 0; base < nrules; base = out) {
+		rp = &rules[base];
+		for (out = base + 1; out < nrules; ++out)
+			if (strcmp(rp->r_name, rules[out].r_name) != 0)
+				break;
+		for (i = 0; i < nzones; ++i) {
+			zp = &zones[i];
+			if (strcmp(zp->z_rule, rp->r_name) != 0)
+				continue;
+			zp->z_rules = rp;
+			zp->z_nrules = out - base;
+		}
+	}
+	for (i = 0; i < nzones; ++i) {
+		zp = &zones[i];
+		if (zp->z_nrules == 0) {
+			/*
+			** Maybe we have a local standard time offset.
+			*/
+			eat(zp->z_filename, zp->z_linenum);
+			zp->z_stdoff = gethms(zp->z_rule, _("unruly zone"),
+				TRUE);
+			/*
+			** Note, though, that if there's no rule,
+			** a '%s' in the format is a bad thing.
+			*/
+			if (strchr(zp->z_format, '%') != 0)
+				error(_("%s in ruleless zone"));
+		}
+	}
+	if (errors)
+		exit(EXIT_FAILURE);
+}
+
+static void
+infile(name)
+const char *	name;
+{
+	register FILE *			fp;
+	register char **		fields;
+	register char *			cp;
+	register const struct lookup *	lp;
+	register int			nfields;
+	register int			wantcont;
+	register int			num;
+	char				buf[BUFSIZ];
+
+	if (strcmp(name, "-") == 0) {
+		name = _("standard input");
+		fp = stdin;
+	} else if ((fp = fopen(name, "r")) == NULL) {
+		const char *e = strerror(errno);
+
+		(void) fprintf(stderr, _("%s: Can't open %s: %s\n"),
+			progname, name, e);
+		exit(EXIT_FAILURE);
+	}
+	wantcont = FALSE;
+	for (num = 1; ; ++num) {
+		eat(name, num);
+		if (fgets(buf, (int) sizeof buf, fp) != buf)
+			break;
+		cp = strchr(buf, '\n');
+		if (cp == NULL) {
+			error(_("line too long"));
+			exit(EXIT_FAILURE);
+		}
+		*cp = '\0';
+		fields = getfields(buf);
+		nfields = 0;
+		while (fields[nfields] != NULL) {
+			static char	nada;
+
+			if (strcmp(fields[nfields], "-") == 0)
+				fields[nfields] = &nada;
+			++nfields;
+		}
+		if (nfields == 0) {
+			/* nothing to do */
+		} else if (wantcont) {
+			wantcont = inzcont(fields, nfields);
+		} else {
+			lp = byword(fields[0], line_codes);
+			if (lp == NULL)
+				error(_("input line of unknown type"));
+			else switch ((int) (lp->l_value)) {
+				case LC_RULE:
+					inrule(fields, nfields);
+					wantcont = FALSE;
+					break;
+				case LC_ZONE:
+					wantcont = inzone(fields, nfields);
+					break;
+				case LC_LINK:
+					inlink(fields, nfields);
+					wantcont = FALSE;
+					break;
+				case LC_LEAP:
+					if (name != leapsec)
+						(void) fprintf(stderr,
+_("%s: Leap line in non leap seconds file %s\n"),
+							progname, name);
+					else	inleap(fields, nfields);
+					wantcont = FALSE;
+					break;
+				default:	/* "cannot happen" */
+					(void) fprintf(stderr,
+_("%s: panic: Invalid l_value %d\n"),
+						progname, lp->l_value);
+					exit(EXIT_FAILURE);
+			}
+		}
+		ifree((char *) fields);
+	}
+	if (ferror(fp)) {
+		(void) fprintf(stderr, _("%s: Error reading %s\n"),
+			progname, filename);
+		exit(EXIT_FAILURE);
+	}
+	if (fp != stdin && fclose(fp)) {
+		const char *e = strerror(errno);
+
+		(void) fprintf(stderr, _("%s: Error closing %s: %s\n"),
+			progname, filename, e);
+		exit(EXIT_FAILURE);
+	}
+	if (wantcont)
+		error(_("expected continuation line not found"));
+}
+
+/*
+** Convert a string of one of the forms
+**	h	-h	hh:mm	-hh:mm	hh:mm:ss	-hh:mm:ss
+** into a number of seconds.
+** A null string maps to zero.
+** Call error with errstring and return zero on errors.
+*/
+
+static long
+gethms(string, errstring, signable)
+const char *		string;
+const char * const	errstring;
+const int		signable;
+{
+	int	hh, mm, ss, sign;
+
+	if (string == NULL || *string == '\0')
+		return 0;
+	if (!signable)
+		sign = 1;
+	else if (*string == '-') {
+		sign = -1;
+		++string;
+	} else	sign = 1;
+	if (sscanf(string, scheck(string, "%d"), &hh) == 1)
+		mm = ss = 0;
+	else if (sscanf(string, scheck(string, "%d:%d"), &hh, &mm) == 2)
+		ss = 0;
+	else if (sscanf(string, scheck(string, "%d:%d:%d"),
+		&hh, &mm, &ss) != 3) {
+			error(errstring);
+			return 0;
+	}
+	if ((hh < 0 || hh >= HOURSPERDAY ||
+		mm < 0 || mm >= MINSPERHOUR ||
+		ss < 0 || ss > SECSPERMIN) &&
+		!(hh == HOURSPERDAY && mm == 0 && ss == 0)) {
+			error(errstring);
+			return 0;
+	}
+	if (noise && hh == HOURSPERDAY)
+		warning(_("24:00 not handled by pre-1998 versions of zic"));
+	return eitol(sign) *
+		(eitol(hh * MINSPERHOUR + mm) *
+		eitol(SECSPERMIN) + eitol(ss));
+}
+
+static void
+inrule(fields, nfields)
+register char ** const	fields;
+const int		nfields;
+{
+	static struct rule	r;
+
+	if (nfields != RULE_FIELDS) {
+		error(_("wrong number of fields on Rule line"));
+		return;
+	}
+	if (*fields[RF_NAME] == '\0') {
+		error(_("nameless rule"));
+		return;
+	}
+	r.r_filename = filename;
+	r.r_linenum = linenum;
+	r.r_stdoff = gethms(fields[RF_STDOFF], _("invalid saved time"), TRUE);
+	rulesub(&r, fields[RF_LOYEAR], fields[RF_HIYEAR], fields[RF_COMMAND],
+		fields[RF_MONTH], fields[RF_DAY], fields[RF_TOD]);
+	r.r_name = ecpyalloc(fields[RF_NAME]);
+	r.r_abbrvar = ecpyalloc(fields[RF_ABBRVAR]);
+	rules = (struct rule *) (void *) erealloc((char *) rules,
+		(int) ((nrules + 1) * sizeof *rules));
+	rules[nrules++] = r;
+}
+
+static int
+inzone(fields, nfields)
+register char ** const	fields;
+const int		nfields;
+{
+	register int	i;
+	static char *	buf;
+
+	if (nfields < ZONE_MINFIELDS || nfields > ZONE_MAXFIELDS) {
+		error(_("wrong number of fields on Zone line"));
+		return FALSE;
+	}
+	if (strcmp(fields[ZF_NAME], TZDEFAULT) == 0 && lcltime != NULL) {
+		buf = erealloc(buf, (int) (132 + strlen(TZDEFAULT)));
+		(void) sprintf(buf,
+_("\"Zone %s\" line and -l option are mutually exclusive"),
+			TZDEFAULT);
+		error(buf);
+		return FALSE;
+	}
+	if (strcmp(fields[ZF_NAME], TZDEFRULES) == 0 && psxrules != NULL) {
+		buf = erealloc(buf, (int) (132 + strlen(TZDEFRULES)));
+		(void) sprintf(buf,
+_("\"Zone %s\" line and -p option are mutually exclusive"),
+			TZDEFRULES);
+		error(buf);
+		return FALSE;
+	}
+	for (i = 0; i < nzones; ++i)
+		if (zones[i].z_name != NULL &&
+			strcmp(zones[i].z_name, fields[ZF_NAME]) == 0) {
+				buf = erealloc(buf, (int) (132 +
+					strlen(fields[ZF_NAME]) +
+					strlen(zones[i].z_filename)));
+				(void) sprintf(buf,
+_("duplicate zone name %s (file \"%s\", line %d)"),
+					fields[ZF_NAME],
+					zones[i].z_filename,
+					zones[i].z_linenum);
+				error(buf);
+				return FALSE;
+		}
+	return inzsub(fields, nfields, FALSE);
+}
+
+static int
+inzcont(fields, nfields)
+register char ** const	fields;
+const int		nfields;
+{
+	if (nfields < ZONEC_MINFIELDS || nfields > ZONEC_MAXFIELDS) {
+		error(_("wrong number of fields on Zone continuation line"));
+		return FALSE;
+	}
+	return inzsub(fields, nfields, TRUE);
+}
+
+static int
+inzsub(fields, nfields, iscont)
+register char ** const	fields;
+const int		nfields;
+const int		iscont;
+{
+	register char *		cp;
+	static struct zone	z;
+	register int		i_gmtoff, i_rule, i_format;
+	register int		i_untilyear, i_untilmonth;
+	register int		i_untilday, i_untiltime;
+	register int		hasuntil;
+
+	if (iscont) {
+		i_gmtoff = ZFC_GMTOFF;
+		i_rule = ZFC_RULE;
+		i_format = ZFC_FORMAT;
+		i_untilyear = ZFC_TILYEAR;
+		i_untilmonth = ZFC_TILMONTH;
+		i_untilday = ZFC_TILDAY;
+		i_untiltime = ZFC_TILTIME;
+		z.z_name = NULL;
+	} else {
+		i_gmtoff = ZF_GMTOFF;
+		i_rule = ZF_RULE;
+		i_format = ZF_FORMAT;
+		i_untilyear = ZF_TILYEAR;
+		i_untilmonth = ZF_TILMONTH;
+		i_untilday = ZF_TILDAY;
+		i_untiltime = ZF_TILTIME;
+		z.z_name = ecpyalloc(fields[ZF_NAME]);
+	}
+	z.z_filename = filename;
+	z.z_linenum = linenum;
+	z.z_gmtoff = gethms(fields[i_gmtoff], _("invalid UTC offset"), TRUE);
+	if ((cp = strchr(fields[i_format], '%')) != 0) {
+		if (*++cp != 's' || strchr(cp, '%') != 0) {
+			error(_("invalid abbreviation format"));
+			return FALSE;
+		}
+	}
+	z.z_rule = ecpyalloc(fields[i_rule]);
+	z.z_format = ecpyalloc(fields[i_format]);
+	hasuntil = nfields > i_untilyear;
+	if (hasuntil) {
+		z.z_untilrule.r_filename = filename;
+		z.z_untilrule.r_linenum = linenum;
+		rulesub(&z.z_untilrule,
+			fields[i_untilyear],
+			"only",
+			"",
+			(nfields > i_untilmonth) ?
+			fields[i_untilmonth] : "Jan",
+			(nfields > i_untilday) ? fields[i_untilday] : "1",
+			(nfields > i_untiltime) ? fields[i_untiltime] : "0");
+		z.z_untiltime = rpytime(&z.z_untilrule,
+			z.z_untilrule.r_loyear);
+		if (iscont && nzones > 0 &&
+			z.z_untiltime > min_time &&
+			z.z_untiltime < max_time &&
+			zones[nzones - 1].z_untiltime > min_time &&
+			zones[nzones - 1].z_untiltime < max_time &&
+			zones[nzones - 1].z_untiltime >= z.z_untiltime) {
+				error(_(
+"Zone continuation line end time is not after end time of previous line"
+					));
+				return FALSE;
+		}
+	}
+	zones = (struct zone *) (void *) erealloc((char *) zones,
+		(int) ((nzones + 1) * sizeof *zones));
+	zones[nzones++] = z;
+	/*
+	** If there was an UNTIL field on this line,
+	** there's more information about the zone on the next line.
+	*/
+	return hasuntil;
+}
+
+static void
+inleap(fields, nfields)
+register char ** const	fields;
+const int		nfields;
+{
+	register const char *		cp;
+	register const struct lookup *	lp;
+	register int			i, j;
+	int				year, month, day;
+	long				dayoff, tod;
+	zic_t				t;
+
+	if (nfields != LEAP_FIELDS) {
+		error(_("wrong number of fields on Leap line"));
+		return;
+	}
+	dayoff = 0;
+	cp = fields[LP_YEAR];
+	if (sscanf(cp, scheck(cp, "%d"), &year) != 1) {
+		/*
+		** Leapin' Lizards!
+		*/
+		error(_("invalid leaping year"));
+		return;
+	}
+	j = EPOCH_YEAR;
+	while (j != year) {
+		if (year > j) {
+			i = len_years[isleap(j)];
+			++j;
+		} else {
+			--j;
+			i = -len_years[isleap(j)];
+		}
+		dayoff = oadd(dayoff, eitol(i));
+	}
+	if ((lp = byword(fields[LP_MONTH], mon_names)) == NULL) {
+		error(_("invalid month name"));
+		return;
+	}
+	month = lp->l_value;
+	j = TM_JANUARY;
+	while (j != month) {
+		i = len_months[isleap(year)][j];
+		dayoff = oadd(dayoff, eitol(i));
+		++j;
+	}
+	cp = fields[LP_DAY];
+	if (sscanf(cp, scheck(cp, "%d"), &day) != 1 ||
+		day <= 0 || day > len_months[isleap(year)][month]) {
+			error(_("invalid day of month"));
+			return;
+	}
+	dayoff = oadd(dayoff, eitol(day - 1));
+	if (dayoff < 0 && !TYPE_SIGNED(zic_t)) {
+		error(_("time before zero"));
+		return;
+	}
+	if (dayoff < min_time / SECSPERDAY) {
+		error(_("time too small"));
+		return;
+	}
+	if (dayoff > max_time / SECSPERDAY) {
+		error(_("time too large"));
+		return;
+	}
+	t = (zic_t) dayoff * SECSPERDAY;
+	tod = gethms(fields[LP_TIME], _("invalid time of day"), FALSE);
+	cp = fields[LP_CORR];
+	{
+		register int	positive;
+		int		count;
+
+		if (strcmp(cp, "") == 0) { /* infile() turns "-" into "" */
+			positive = FALSE;
+			count = 1;
+		} else if (strcmp(cp, "--") == 0) {
+			positive = FALSE;
+			count = 2;
+		} else if (strcmp(cp, "+") == 0) {
+			positive = TRUE;
+			count = 1;
+		} else if (strcmp(cp, "++") == 0) {
+			positive = TRUE;
+			count = 2;
+		} else {
+			error(_("illegal CORRECTION field on Leap line"));
+			return;
+		}
+		if ((lp = byword(fields[LP_ROLL], leap_types)) == NULL) {
+			error(_(
+				"illegal Rolling/Stationary field on Leap line"
+				));
+			return;
+		}
+		leapadd(tadd(t, tod), positive, lp->l_value, count);
+	}
+}
+
+static void
+inlink(fields, nfields)
+register char ** const	fields;
+const int		nfields;
+{
+	struct link	l;
+
+	if (nfields != LINK_FIELDS) {
+		error(_("wrong number of fields on Link line"));
+		return;
+	}
+	if (*fields[LF_FROM] == '\0') {
+		error(_("blank FROM field on Link line"));
+		return;
+	}
+	if (*fields[LF_TO] == '\0') {
+		error(_("blank TO field on Link line"));
+		return;
+	}
+	l.l_filename = filename;
+	l.l_linenum = linenum;
+	l.l_from = ecpyalloc(fields[LF_FROM]);
+	l.l_to = ecpyalloc(fields[LF_TO]);
+	links = (struct link *) (void *) erealloc((char *) links,
+		(int) ((nlinks + 1) * sizeof *links));
+	links[nlinks++] = l;
+}
+
+static void
+rulesub(rp, loyearp, hiyearp, typep, monthp, dayp, timep)
+register struct rule * const	rp;
+const char * const		loyearp;
+const char * const		hiyearp;
+const char * const		typep;
+const char * const		monthp;
+const char * const		dayp;
+const char * const		timep;
+{
+	register const struct lookup *	lp;
+	register const char *		cp;
+	register char *			dp;
+	register char *			ep;
+
+	if ((lp = byword(monthp, mon_names)) == NULL) {
+		error(_("invalid month name"));
+		return;
+	}
+	rp->r_month = lp->l_value;
+	rp->r_todisstd = FALSE;
+	rp->r_todisgmt = FALSE;
+	dp = ecpyalloc(timep);
+	if (*dp != '\0') {
+		ep = dp + strlen(dp) - 1;
+		switch (lowerit(*ep)) {
+			case 's':	/* Standard */
+				rp->r_todisstd = TRUE;
+				rp->r_todisgmt = FALSE;
+				*ep = '\0';
+				break;
+			case 'w':	/* Wall */
+				rp->r_todisstd = FALSE;
+				rp->r_todisgmt = FALSE;
+				*ep = '\0';
+				break;
+			case 'g':	/* Greenwich */
+			case 'u':	/* Universal */
+			case 'z':	/* Zulu */
+				rp->r_todisstd = TRUE;
+				rp->r_todisgmt = TRUE;
+				*ep = '\0';
+				break;
+		}
+	}
+	rp->r_tod = gethms(dp, _("invalid time of day"), FALSE);
+	ifree(dp);
+	/*
+	** Year work.
+	*/
+	cp = loyearp;
+	lp = byword(cp, begin_years);
+	if (lp != NULL) switch ((int) lp->l_value) {
+		case YR_MINIMUM:
+			rp->r_loyear = INT_MIN;
+			break;
+		case YR_MAXIMUM:
+			rp->r_loyear = INT_MAX;
+			break;
+		default:	/* "cannot happen" */
+			(void) fprintf(stderr,
+				_("%s: panic: Invalid l_value %d\n"),
+				progname, lp->l_value);
+			exit(EXIT_FAILURE);
+	} else if (sscanf(cp, scheck(cp, "%d"), &rp->r_loyear) != 1) {
+		error(_("invalid starting year"));
+		return;
+	} else if (noise) {
+		if (rp->r_loyear < min_year_representable)
+			warning(_("starting year too low to be represented"));
+		else if (rp->r_loyear > max_year_representable)
+			warning(_("starting year too high to be represented"));
+	}
+	cp = hiyearp;
+	if ((lp = byword(cp, end_years)) != NULL) switch ((int) lp->l_value) {
+		case YR_MINIMUM:
+			rp->r_hiyear = INT_MIN;
+			break;
+		case YR_MAXIMUM:
+			rp->r_hiyear = INT_MAX;
+			break;
+		case YR_ONLY:
+			rp->r_hiyear = rp->r_loyear;
+			break;
+		default:	/* "cannot happen" */
+			(void) fprintf(stderr,
+				_("%s: panic: Invalid l_value %d\n"),
+				progname, lp->l_value);
+			exit(EXIT_FAILURE);
+	} else if (sscanf(cp, scheck(cp, "%d"), &rp->r_hiyear) != 1) {
+		error(_("invalid ending year"));
+		return;
+	} else if (noise) {
+		if (rp->r_loyear < min_year_representable)
+			warning(_("ending year too low to be represented"));
+		else if (rp->r_loyear > max_year_representable)
+			warning(_("ending year too high to be represented"));
+	}
+	if (rp->r_loyear > rp->r_hiyear) {
+		error(_("starting year greater than ending year"));
+		return;
+	}
+	if (*typep == '\0')
+		rp->r_yrtype = NULL;
+	else {
+		if (rp->r_loyear == rp->r_hiyear) {
+			error(_("typed single year"));
+			return;
+		}
+		rp->r_yrtype = ecpyalloc(typep);
+	}
+	if (rp->r_loyear < min_year && rp->r_loyear > 0)
+		min_year = rp->r_loyear;
+	/*
+	** Day work.
+	** Accept things such as:
+	**	1
+	**	last-Sunday
+	**	Sun<=20
+	**	Sun>=7
+	*/
+	dp = ecpyalloc(dayp);
+	if ((lp = byword(dp, lasts)) != NULL) {
+		rp->r_dycode = DC_DOWLEQ;
+		rp->r_wday = lp->l_value;
+		rp->r_dayofmonth = len_months[1][rp->r_month];
+	} else {
+		if ((ep = strchr(dp, '<')) != 0)
+			rp->r_dycode = DC_DOWLEQ;
+		else if ((ep = strchr(dp, '>')) != 0)
+			rp->r_dycode = DC_DOWGEQ;
+		else {
+			ep = dp;
+			rp->r_dycode = DC_DOM;
+		}
+		if (rp->r_dycode != DC_DOM) {
+			*ep++ = 0;
+			if (*ep++ != '=') {
+				error(_("invalid day of month"));
+				ifree(dp);
+				return;
+			}
+			if ((lp = byword(dp, wday_names)) == NULL) {
+				error(_("invalid weekday name"));
+				ifree(dp);
+				return;
+			}
+			rp->r_wday = lp->l_value;
+		}
+		if (sscanf(ep, scheck(ep, "%d"), &rp->r_dayofmonth) != 1 ||
+			rp->r_dayofmonth <= 0 ||
+			(rp->r_dayofmonth > len_months[1][rp->r_month])) {
+				error(_("invalid day of month"));
+				ifree(dp);
+				return;
+		}
+	}
+	ifree(dp);
+}
+
+static void
+convert(val, buf)
+const long	val;
+char * const	buf;
+{
+	register int	i;
+	register long	shift;
+
+	for (i = 0, shift = 24; i < 4; ++i, shift -= 8)
+		buf[i] = val >> shift;
+}
+
+static void
+puttzcode(val, fp)
+const long	val;
+FILE * const	fp;
+{
+	char	buf[4];
+
+	convert(val, buf);
+	(void) fwrite((void *) buf, (size_t) sizeof buf, (size_t) 1, fp);
+}
+
+static int
+atcomp(avp, bvp)
+void *	avp;
+void *	bvp;
+{
+	if (((struct attype *) avp)->at < ((struct attype *) bvp)->at)
+		return -1;
+	else if (((struct attype *) avp)->at > ((struct attype *) bvp)->at)
+		return 1;
+	else	return 0;
+}
+
+static void
+writezone(name)
+const char * const	name;
+{
+	register FILE *		fp;
+	register int		i, j;
+	static char *		fullname;
+	static struct tzhead	tzh;
+	zic_t			ats[TZ_MAX_TIMES];
+	unsigned char		types[TZ_MAX_TIMES];
+
+	/*
+	** Sort.
+	*/
+	if (timecnt > 1)
+		(void) qsort((void *) attypes, (size_t) timecnt,
+			(size_t) sizeof *attypes, atcomp);
+	/*
+	** Optimize.
+	*/
+	{
+		int	fromi;
+		int	toi;
+
+		toi = 0;
+		fromi = 0;
+		while (fromi < timecnt && attypes[fromi].at < min_time)
+			++fromi;
+		if (isdsts[0] == 0)
+			while (fromi < timecnt && attypes[fromi].type == 0)
+				++fromi;	/* handled by default rule */
+		for ( ; fromi < timecnt; ++fromi) {
+			if (toi != 0 && ((attypes[fromi].at +
+				gmtoffs[attypes[toi - 1].type]) <=
+				(attypes[toi - 1].at + gmtoffs[toi == 1 ? 0
+				: attypes[toi - 2].type]))) {
+					attypes[toi - 1].type =
+						attypes[fromi].type;
+					continue;
+			}
+			if (toi == 0 ||
+				attypes[toi - 1].type != attypes[fromi].type)
+					attypes[toi++] = attypes[fromi];
+		}
+		timecnt = toi;
+	}
+	/*
+	** Transfer.
+	*/
+	for (i = 0; i < timecnt; ++i) {
+		ats[i] = attypes[i].at;
+		types[i] = attypes[i].type;
+	}
+	fullname = erealloc(fullname,
+		(int) (strlen(directory) + 1 + strlen(name) + 1));
+	(void) sprintf(fullname, "%s/%s", directory, name);
+	/*
+	** Remove old file, if any, to snap links.
+	*/
+	if (!itsdir(fullname) && remove(fullname) != 0 && errno != ENOENT) {
+		const char *e = strerror(errno);
+
+		(void) fprintf(stderr, _("%s: Can't remove %s: %s\n"),
+			progname, fullname, e);
+		exit(EXIT_FAILURE);
+	}
+	if ((fp = fopen(fullname, "wb")) == NULL) {
+		if (mkdirs(fullname) != 0)
+			exit(EXIT_FAILURE);
+		if ((fp = fopen(fullname, "wb")) == NULL) {
+			const char *e = strerror(errno);
+
+			(void) fprintf(stderr, _("%s: Can't create %s: %s\n"),
+				progname, fullname, e);
+			exit(EXIT_FAILURE);
+		}
+	}
+	convert(eitol(typecnt), tzh.tzh_ttisgmtcnt);
+	convert(eitol(typecnt), tzh.tzh_ttisstdcnt);
+	convert(eitol(leapcnt), tzh.tzh_leapcnt);
+	convert(eitol(timecnt), tzh.tzh_timecnt);
+	convert(eitol(typecnt), tzh.tzh_typecnt);
+	convert(eitol(charcnt), tzh.tzh_charcnt);
+	(void) strncpy(tzh.tzh_magic, TZ_MAGIC, sizeof tzh.tzh_magic);
+#define DO(field)	(void) fwrite((void *) tzh.field, \
+				(size_t) sizeof tzh.field, (size_t) 1, fp)
+	DO(tzh_magic);
+	DO(tzh_reserved);
+	DO(tzh_ttisgmtcnt);
+	DO(tzh_ttisstdcnt);
+	DO(tzh_leapcnt);
+	DO(tzh_timecnt);
+	DO(tzh_typecnt);
+	DO(tzh_charcnt);
+#undef DO
+	for (i = 0; i < timecnt; ++i) {
+		j = leapcnt;
+		while (--j >= 0)
+			if (ats[i] >= trans[j]) {
+				ats[i] = tadd(ats[i], corr[j]);
+				break;
+			}
+		puttzcode((long) ats[i], fp);
+	}
+	if (timecnt > 0)
+		(void) fwrite((void *) types, (size_t) sizeof types[0],
+			(size_t) timecnt, fp);
+	for (i = 0; i < typecnt; ++i) {
+		puttzcode((long) gmtoffs[i], fp);
+		(void) putc(isdsts[i], fp);
+		(void) putc(abbrinds[i], fp);
+	}
+	if (charcnt != 0)
+		(void) fwrite((void *) chars, (size_t) sizeof chars[0],
+			(size_t) charcnt, fp);
+	for (i = 0; i < leapcnt; ++i) {
+		if (roll[i]) {
+			if (timecnt == 0 || trans[i] < ats[0]) {
+				j = 0;
+				while (isdsts[j])
+					if (++j >= typecnt) {
+						j = 0;
+						break;
+					}
+			} else {
+				j = 1;
+				while (j < timecnt && trans[i] >= ats[j])
+					++j;
+				j = types[j - 1];
+			}
+			puttzcode((long) tadd(trans[i], -gmtoffs[j]), fp);
+		} else	puttzcode((long) trans[i], fp);
+		puttzcode((long) corr[i], fp);
+	}
+	for (i = 0; i < typecnt; ++i)
+		(void) putc(ttisstds[i], fp);
+	for (i = 0; i < typecnt; ++i)
+		(void) putc(ttisgmts[i], fp);
+	if (ferror(fp) || fclose(fp)) {
+		(void) fprintf(stderr, _("%s: Error writing %s\n"),
+			progname, fullname);
+		exit(EXIT_FAILURE);
+	}
+}
+
+static void
+doabbr(abbr, format, letters, isdst)
+char * const		abbr;
+const char * const	format;
+const char * const	letters;
+const int		isdst;
+{
+	if (strchr(format, '/') == NULL) {
+		if (letters == NULL)
+			(void) strcpy(abbr, format);
+		else	(void) sprintf(abbr, format, letters);
+	} else if (isdst)
+		(void) strcpy(abbr, strchr(format, '/') + 1);
+	else {
+		(void) strcpy(abbr, format);
+		*strchr(abbr, '/') = '\0';
+	}
+}
+
+static void
+outzone(zpfirst, zonecount)
+const struct zone * const	zpfirst;
+const int			zonecount;
+{
+	register const struct zone *	zp;
+	register struct rule *		rp;
+	register int			i, j;
+	register int			usestart, useuntil;
+	register zic_t			starttime, untiltime;
+	register long			gmtoff;
+	register long			stdoff;
+	register int			year;
+	register long			startoff;
+	register int			startttisstd;
+	register int			startttisgmt;
+	register int			type;
+	char				startbuf[BUFSIZ];
+
+	INITIALIZE(untiltime);
+	INITIALIZE(starttime);
+	/*
+	** Now. . .finally. . .generate some useful data!
+	*/
+	timecnt = 0;
+	typecnt = 0;
+	charcnt = 0;
+	/*
+	** Thanks to Earl Chew
+	** for noting the need to unconditionally initialize startttisstd.
+	*/
+	startttisstd = FALSE;
+	startttisgmt = FALSE;
+	for (i = 0; i < zonecount; ++i) {
+		/*
+		** A guess that may well be corrected later.
+		*/
+		stdoff = 0;
+		zp = &zpfirst[i];
+		usestart = i > 0 && (zp - 1)->z_untiltime > min_time;
+		useuntil = i < (zonecount - 1);
+		if (useuntil && zp->z_untiltime <= min_time)
+			continue;
+		gmtoff = zp->z_gmtoff;
+		eat(zp->z_filename, zp->z_linenum);
+		*startbuf = '\0';
+		startoff = zp->z_gmtoff;
+		if (zp->z_nrules == 0) {
+			stdoff = zp->z_stdoff;
+			doabbr(startbuf, zp->z_format,
+				(char *) NULL, stdoff != 0);
+			type = addtype(oadd(zp->z_gmtoff, stdoff),
+				startbuf, stdoff != 0, startttisstd,
+				startttisgmt);
+			if (usestart) {
+				addtt(starttime, type);
+				usestart = FALSE;
+			} else if (stdoff != 0)
+				addtt(min_time, type);
+		} else for (year = min_year; year <= max_year; ++year) {
+			if (useuntil && year > zp->z_untilrule.r_hiyear)
+				break;
+			/*
+			** Mark which rules to do in the current year.
+			** For those to do, calculate rpytime(rp, year);
+			*/
+			for (j = 0; j < zp->z_nrules; ++j) {
+				rp = &zp->z_rules[j];
+				eats(zp->z_filename, zp->z_linenum,
+					rp->r_filename, rp->r_linenum);
+				rp->r_todo = year >= rp->r_loyear &&
+						year <= rp->r_hiyear &&
+						yearistype(year, rp->r_yrtype);
+				if (rp->r_todo)
+					rp->r_temp = rpytime(rp, year);
+			}
+			for ( ; ; ) {
+				register int	k;
+				register zic_t	jtime, ktime;
+				register long	offset;
+				char		buf[BUFSIZ];
+
+				INITIALIZE(ktime);
+				if (useuntil) {
+					/*
+					** Turn untiltime into UTC
+					** assuming the current gmtoff and
+					** stdoff values.
+					*/
+					untiltime = zp->z_untiltime;
+					if (!zp->z_untilrule.r_todisgmt)
+						untiltime = tadd(untiltime,
+							-gmtoff);
+					if (!zp->z_untilrule.r_todisstd)
+						untiltime = tadd(untiltime,
+							-stdoff);
+				}
+				/*
+				** Find the rule (of those to do, if any)
+				** that takes effect earliest in the year.
+				*/
+				k = -1;
+				for (j = 0; j < zp->z_nrules; ++j) {
+					rp = &zp->z_rules[j];
+					if (!rp->r_todo)
+						continue;
+					eats(zp->z_filename, zp->z_linenum,
+						rp->r_filename, rp->r_linenum);
+					offset = rp->r_todisgmt ? 0 : gmtoff;
+					if (!rp->r_todisstd)
+						offset = oadd(offset, stdoff);
+					jtime = rp->r_temp;
+					if (jtime == min_time ||
+						jtime == max_time)
+							continue;
+					jtime = tadd(jtime, -offset);
+					if (k < 0 || jtime < ktime) {
+						k = j;
+						ktime = jtime;
+					}
+				}
+				if (k < 0)
+					break;	/* go on to next year */
+				rp = &zp->z_rules[k];
+				rp->r_todo = FALSE;
+				if (useuntil && ktime >= untiltime)
+					break;
+				stdoff = rp->r_stdoff;
+				if (usestart && ktime == starttime)
+					usestart = FALSE;
+				if (usestart) {
+					if (ktime < starttime) {
+						startoff = oadd(zp->z_gmtoff,
+							stdoff);
+						doabbr(startbuf, zp->z_format,
+							rp->r_abbrvar,
+							rp->r_stdoff != 0);
+						continue;
+					}
+					if (*startbuf == '\0' &&
+						startoff == oadd(zp->z_gmtoff,
+						stdoff))
+							doabbr(startbuf,
+								zp->z_format,
+								rp->r_abbrvar,
+								rp->r_stdoff !=
+								0);
+				}
+				eats(zp->z_filename, zp->z_linenum,
+					rp->r_filename, rp->r_linenum);
+				doabbr(buf, zp->z_format, rp->r_abbrvar,
+					rp->r_stdoff != 0);
+				offset = oadd(zp->z_gmtoff, rp->r_stdoff);
+				type = addtype(offset, buf, rp->r_stdoff != 0,
+					rp->r_todisstd, rp->r_todisgmt);
+				addtt(ktime, type);
+			}
+		}
+		if (usestart) {
+			if (*startbuf == '\0' &&
+				zp->z_format != NULL &&
+				strchr(zp->z_format, '%') == NULL &&
+				strchr(zp->z_format, '/') == NULL)
+					(void) strcpy(startbuf, zp->z_format);
+			eat(zp->z_filename, zp->z_linenum);
+			if (*startbuf == '\0')
+error(_("can't determine time zone abbreviation to use just after until time"));
+			else	addtt(starttime,
+					addtype(startoff, startbuf,
+						startoff != zp->z_gmtoff,
+						startttisstd,
+						startttisgmt));
+		}
+		/*
+		** Now we may get to set starttime for the next zone line.
+		*/
+		if (useuntil) {
+			startttisstd = zp->z_untilrule.r_todisstd;
+			startttisgmt = zp->z_untilrule.r_todisgmt;
+			starttime = zp->z_untiltime;
+			if (!startttisstd)
+				starttime = tadd(starttime, -stdoff);
+			if (!startttisgmt)
+				starttime = tadd(starttime, -gmtoff);
+		}
+	}
+	writezone(zpfirst->z_name);
+}
+
+static void
+addtt(starttime, type)
+const zic_t	starttime;
+int		type;
+{
+	if (starttime <= min_time ||
+		(timecnt == 1 && attypes[0].at < min_time)) {
+		gmtoffs[0] = gmtoffs[type];
+		isdsts[0] = isdsts[type];
+		ttisstds[0] = ttisstds[type];
+		ttisgmts[0] = ttisgmts[type];
+		if (abbrinds[type] != 0)
+			(void) strcpy(chars, &chars[abbrinds[type]]);
+		abbrinds[0] = 0;
+		charcnt = strlen(chars) + 1;
+		typecnt = 1;
+		timecnt = 0;
+		type = 0;
+	}
+	if (timecnt >= TZ_MAX_TIMES) {
+		error(_("too many transitions?!"));
+		exit(EXIT_FAILURE);
+	}
+	attypes[timecnt].at = starttime;
+	attypes[timecnt].type = type;
+	++timecnt;
+}
+
+static int
+addtype(gmtoff, abbr, isdst, ttisstd, ttisgmt)
+const long		gmtoff;
+const char * const	abbr;
+const int		isdst;
+const int		ttisstd;
+const int		ttisgmt;
+{
+	register int	i, j;
+
+	if (isdst != TRUE && isdst != FALSE) {
+		error(_("internal error - addtype called with bad isdst"));
+		exit(EXIT_FAILURE);
+	}
+	if (ttisstd != TRUE && ttisstd != FALSE) {
+		error(_("internal error - addtype called with bad ttisstd"));
+		exit(EXIT_FAILURE);
+	}
+	if (ttisgmt != TRUE && ttisgmt != FALSE) {
+		error(_("internal error - addtype called with bad ttisgmt"));
+		exit(EXIT_FAILURE);
+	}
+	/*
+	** See if there's already an entry for this zone type.
+	** If so, just return its index.
+	*/
+	for (i = 0; i < typecnt; ++i) {
+		if (gmtoff == gmtoffs[i] && isdst == isdsts[i] &&
+			strcmp(abbr, &chars[abbrinds[i]]) == 0 &&
+			ttisstd == ttisstds[i] &&
+			ttisgmt == ttisgmts[i])
+				return i;
+	}
+	/*
+	** There isn't one; add a new one, unless there are already too
+	** many.
+	*/
+	if (typecnt >= TZ_MAX_TYPES) {
+		error(_("too many local time types"));
+		exit(EXIT_FAILURE);
+	}
+	gmtoffs[i] = gmtoff;
+	isdsts[i] = isdst;
+	ttisstds[i] = ttisstd;
+	ttisgmts[i] = ttisgmt;
+
+	for (j = 0; j < charcnt; ++j)
+		if (strcmp(&chars[j], abbr) == 0)
+			break;
+	if (j == charcnt)
+		newabbr(abbr);
+	abbrinds[i] = j;
+	++typecnt;
+	return i;
+}
+
+static void
+leapadd(t, positive, rolling, count)
+const zic_t	t;
+const int	positive;
+const int	rolling;
+int		count;
+{
+	register int	i, j;
+
+	if (leapcnt + (positive ? count : 1) > TZ_MAX_LEAPS) {
+		error(_("too many leap seconds"));
+		exit(EXIT_FAILURE);
+	}
+	for (i = 0; i < leapcnt; ++i)
+		if (t <= trans[i]) {
+			if (t == trans[i]) {
+				error(_("repeated leap second moment"));
+				exit(EXIT_FAILURE);
+			}
+			break;
+		}
+	do {
+		for (j = leapcnt; j > i; --j) {
+			trans[j] = trans[j - 1];
+			corr[j] = corr[j - 1];
+			roll[j] = roll[j - 1];
+		}
+		trans[i] = t;
+		corr[i] = positive ? 1L : eitol(-count);
+		roll[i] = rolling;
+		++leapcnt;
+	} while (positive && --count != 0);
+}
+
+static void
+adjleap P((void))
+{
+	register int	i;
+	register long	last = 0;
+
+	/*
+	** propagate leap seconds forward
+	*/
+	for (i = 0; i < leapcnt; ++i) {
+		trans[i] = tadd(trans[i], last);
+		last = corr[i] += last;
+	}
+}
+
+static int
+yearistype(year, type)
+const int		year;
+const char * const	type;
+{
+	static char *	buf;
+	int		result;
+
+	if (type == NULL || *type == '\0')
+		return TRUE;
+	buf = erealloc(buf, (int) (132 + strlen(yitcommand) + strlen(type)));
+	(void) sprintf(buf, "%s %d %s", yitcommand, year, type);
+	result = system(buf);
+	if (WIFEXITED(result)) switch (WEXITSTATUS(result)) {
+		case 0:
+			return TRUE;
+		case 1:
+			return FALSE;
+	}
+	error(_("Wild result from command execution"));
+	(void) fprintf(stderr, _("%s: command was '%s', result was %d\n"),
+		progname, buf, result);
+	for ( ; ; )
+		exit(EXIT_FAILURE);
+}
+
+static int
+lowerit(a)
+int	a;
+{
+	a = (unsigned char) a;
+	return (isascii(a) && isupper(a)) ? tolower(a) : a;
+}
+
+static int
+ciequal(ap, bp)		/* case-insensitive equality */
+register const char *	ap;
+register const char *	bp;
+{
+	while (lowerit(*ap) == lowerit(*bp++))
+		if (*ap++ == '\0')
+			return TRUE;
+	return FALSE;
+}
+
+static int
+itsabbr(abbr, word)
+register const char *	abbr;
+register const char *	word;
+{
+	if (lowerit(*abbr) != lowerit(*word))
+		return FALSE;
+	++word;
+	while (*++abbr != '\0')
+		do {
+			if (*word == '\0')
+				return FALSE;
+		} while (lowerit(*word++) != lowerit(*abbr));
+	return TRUE;
+}
+
+static const struct lookup *
+byword(word, table)
+register const char * const		word;
+register const struct lookup * const	table;
+{
+	register const struct lookup *	foundlp;
+	register const struct lookup *	lp;
+
+	if (word == NULL || table == NULL)
+		return NULL;
+	/*
+	** Look for exact match.
+	*/
+	for (lp = table; lp->l_word != NULL; ++lp)
+		if (ciequal(word, lp->l_word))
+			return lp;
+	/*
+	** Look for inexact match.
+	*/
+	foundlp = NULL;
+	for (lp = table; lp->l_word != NULL; ++lp)
+		if (itsabbr(word, lp->l_word)) {
+			if (foundlp == NULL)
+				foundlp = lp;
+			else	return NULL;	/* multiple inexact matches */
+		}
+	return foundlp;
+}
+
+static char **
+getfields(cp)
+register char *	cp;
+{
+	register char *		dp;
+	register char **	array;
+	register int		nsubs;
+
+	if (cp == NULL)
+		return NULL;
+	array = (char **) (void *)
+		emalloc((int) ((strlen(cp) + 1) * sizeof *array));
+	nsubs = 0;
+	for ( ; ; ) {
+		while (isascii((unsigned char) *cp) &&
+			isspace((unsigned char) *cp))
+				++cp;
+		if (*cp == '\0' || *cp == '#')
+			break;
+		array[nsubs++] = dp = cp;
+		do {
+			if ((*dp = *cp++) != '"')
+				++dp;
+			else while ((*dp = *cp++) != '"')
+				if (*dp != '\0')
+					++dp;
+				else	error(_(
+						"Odd number of quotation marks"
+						));
+		} while (*cp != '\0' && *cp != '#' &&
+			(!isascii(*cp) || !isspace((unsigned char) *cp)));
+		if (isascii(*cp) && isspace((unsigned char) *cp))
+			++cp;
+		*dp = '\0';
+	}
+	array[nsubs] = NULL;
+	return array;
+}
+
+static long
+oadd(t1, t2)
+const long	t1;
+const long	t2;
+{
+	register long	t;
+
+	t = t1 + t2;
+	if ((t2 > 0 && t <= t1) || (t2 < 0 && t >= t1)) {
+		error(_("time overflow"));
+		exit(EXIT_FAILURE);
+	}
+	return t;
+}
+
+static zic_t
+tadd(t1, t2)
+const zic_t	t1;
+const long	t2;
+{
+	register zic_t	t;
+
+	if (t1 == max_time && t2 > 0)
+		return max_time;
+	if (t1 == min_time && t2 < 0)
+		return min_time;
+	t = t1 + t2;
+	if ((t2 > 0 && t <= t1) || (t2 < 0 && t >= t1)) {
+		error(_("time overflow"));
+		exit(EXIT_FAILURE);
+	}
+	return t;
+}
+
+/*
+** Given a rule, and a year, compute the date - in seconds since January 1,
+** 1970, 00:00 LOCAL time - in that year that the rule refers to.
+*/
+
+static zic_t
+rpytime(rp, wantedy)
+register const struct rule * const	rp;
+register const int			wantedy;
+{
+	register int	y, m, i;
+	register long	dayoff;			/* with a nod to Margaret O. */
+	register zic_t	t;
+
+	if (wantedy == INT_MIN)
+		return min_time;
+	if (wantedy == INT_MAX)
+		return max_time;
+	dayoff = 0;
+	m = TM_JANUARY;
+	y = EPOCH_YEAR;
+	while (wantedy != y) {
+		if (wantedy > y) {
+			i = len_years[isleap(y)];
+			++y;
+		} else {
+			--y;
+			i = -len_years[isleap(y)];
+		}
+		dayoff = oadd(dayoff, eitol(i));
+	}
+	while (m != rp->r_month) {
+		i = len_months[isleap(y)][m];
+		dayoff = oadd(dayoff, eitol(i));
+		++m;
+	}
+	i = rp->r_dayofmonth;
+	if (m == TM_FEBRUARY && i == 29 && !isleap(y)) {
+		if (rp->r_dycode == DC_DOWLEQ)
+			--i;
+		else {
+			error(_("use of 2/29 in non leap-year"));
+			exit(EXIT_FAILURE);
+		}
+	}
+	--i;
+	dayoff = oadd(dayoff, eitol(i));
+	if (rp->r_dycode == DC_DOWGEQ || rp->r_dycode == DC_DOWLEQ) {
+		register long	wday;
+
+#define LDAYSPERWEEK	((long) DAYSPERWEEK)
+		wday = eitol(EPOCH_WDAY);
+		/*
+		** Don't trust mod of negative numbers.
+		*/
+		if (dayoff >= 0)
+			wday = (wday + dayoff) % LDAYSPERWEEK;
+		else {
+			wday -= ((-dayoff) % LDAYSPERWEEK);
+			if (wday < 0)
+				wday += LDAYSPERWEEK;
+		}
+		while (wday != eitol(rp->r_wday))
+			if (rp->r_dycode == DC_DOWGEQ) {
+				dayoff = oadd(dayoff, (long) 1);
+				if (++wday >= LDAYSPERWEEK)
+					wday = 0;
+				++i;
+			} else {
+				dayoff = oadd(dayoff, (long) -1);
+				if (--wday < 0)
+					wday = LDAYSPERWEEK - 1;
+				--i;
+			}
+		if (i < 0 || i >= len_months[isleap(y)][m]) {
+			if (noise)
+				warning(_("rule goes past start/end of month--\
+will not work with pre-2004 versions of zic"));
+		}
+	}
+	if (dayoff < 0 && !TYPE_SIGNED(zic_t))
+		return min_time;
+	if (dayoff < min_time / SECSPERDAY)
+		return min_time;
+	if (dayoff > max_time / SECSPERDAY)
+		return max_time;
+	t = (zic_t) dayoff * SECSPERDAY;
+	return tadd(t, rp->r_tod);
+}
+
+static void
+newabbr(string)
+const char * const	string;
+{
+	register int	i;
+
+	if (strcmp(string, GRANDPARENTED) != 0) {
+		register const char *	cp;
+		register char *		wp;
+
+		/*
+		** Want one to ZIC_MAX_ABBR_LEN_WO_WARN alphabetics
+		** optionally followed by a + or - and a number from 1 to 14.
+		*/
+		cp = string;
+		wp = NULL;
+		while (isascii((unsigned char) *cp) &&
+			isalpha((unsigned char) *cp))
+				++cp;
+		if (cp - string == 0)
+wp = _("time zone abbreviation lacks alphabetic at start");
+		if (noise && cp - string > 3)
+wp = _("time zone abbreviation has more than 3 alphabetics");
+		if (cp - string > ZIC_MAX_ABBR_LEN_WO_WARN)
+wp = _("time zone abbreviation has too many alphabetics");
+		if (wp == NULL && (*cp == '+' || *cp == '-')) {
+			++cp;
+			if (isascii((unsigned char) *cp) &&
+				isdigit((unsigned char) *cp))
+					if (*cp++ == '1' &&
+						*cp >= '0' && *cp <= '4')
+							++cp;
+		}
+		if (*cp != '\0')
+wp = _("time zone abbreviation differs from POSIX standard");
+		if (wp != NULL) {
+			wp = ecpyalloc(wp);
+			wp = ecatalloc(wp, " (");
+			wp = ecatalloc(wp, string);
+			wp = ecatalloc(wp, ")");
+			warning(wp);
+			ifree(wp);
+		}
+	}
+	i = strlen(string) + 1;
+	if (charcnt + i > TZ_MAX_CHARS) {
+		error(_("too many, or too long, time zone abbreviations"));
+		exit(EXIT_FAILURE);
+	}
+	(void) strcpy(&chars[charcnt], string);
+	charcnt += eitol(i);
+}
+
+static int
+mkdirs(argname)
+char * const	argname;
+{
+	register char *	name;
+	register char *	cp;
+
+	if (argname == NULL || *argname == '\0')
+		return 0;
+	cp = name = ecpyalloc(argname);
+	while ((cp = strchr(cp + 1, '/')) != 0) {
+		*cp = '\0';
+#ifndef unix
+		/*
+		** DOS drive specifier?
+		*/
+		if (isalpha((unsigned char) name[0]) &&
+			name[1] == ':' && name[2] == '\0') {
+				*cp = '/';
+				continue;
+		}
+#endif /* !defined unix */
+		if (!itsdir(name)) {
+			/*
+			** It doesn't seem to exist, so we try to create it.
+			** Creation may fail because of the directory being
+			** created by some other multiprocessor, so we get
+			** to do extra checking.
+			*/
+			if (mkdir(name, MKDIR_UMASK) != 0) {
+				const char *e = strerror(errno);
+
+				if (errno != EEXIST || !itsdir(name)) {
+					(void) fprintf(stderr,
+_("%s: Can't create directory %s: %s\n"),
+						progname, name, e);
+					ifree(name);
+					return -1;
+				}
+			}
+		}
+		*cp = '/';
+	}
+	ifree(name);
+	return 0;
+}
+
+static long
+eitol(i)
+const int	i;
+{
+	long	l;
+
+	l = i;
+	if ((i < 0 && l >= 0) || (i == 0 && l != 0) || (i > 0 && l <= 0)) {
+		(void) fprintf(stderr,
+			_("%s: %d did not sign extend correctly\n"),
+			progname, i);
+		exit(EXIT_FAILURE);
+	}
+	return l;
+}
+
+/*
+** UNIX was a registered trademark of The Open Group in 2003.
+*/
diff --git a/commands/zoneinfo/zone.tab b/commands/zoneinfo/zone.tab
new file mode 100644
index 000000000..ace7b575e
--- /dev/null
+++ b/commands/zoneinfo/zone.tab
@@ -0,0 +1,420 @@
+# @(#)zone.tab	8.10
+#
+# TZ zone descriptions
+#
+# From Paul Eggert (1996-08-05):
+#
+# This file contains a table with the following columns:
+# 1.  ISO 3166 2-character country code.  See the file `iso3166.tab'.
+# 2.  Latitude and longitude of the zone's principal location
+#     in ISO 6709 sign-degrees-minutes-seconds format,
+#     either +-DDMM+-DDDMM or +-DDMMSS+-DDDMMSS,
+#     first latitude (+ is north), then longitude (+ is east).
+# 3.  Zone name used in value of TZ environment variable.
+# 4.  Comments; present if and only if the country has multiple rows.
+#
+# Columns are separated by a single tab.
+# The table is sorted first by country, then an order within the country that
+# (1) makes some geographical sense, and
+# (2) puts the most populous zones first, where that does not contradict (1).
+#
+# Lines beginning with `#' are comments.
+#
+#country-
+#code	coordinates	TZ			comments
+AD	+4230+00131	Europe/Andorra
+AE	+2518+05518	Asia/Dubai
+AF	+3431+06912	Asia/Kabul
+AG	+1703-06148	America/Antigua
+AI	+1812-06304	America/Anguilla
+AL	+4120+01950	Europe/Tirane
+AM	+4011+04430	Asia/Yerevan
+AN	+1211-06900	America/Curacao
+AO	-0848+01314	Africa/Luanda
+AQ	-7750+16636	Antarctica/McMurdo	McMurdo Station, Ross Island
+AQ	-9000+00000	Antarctica/South_Pole	Amundsen-Scott Station, South Pole
+AQ	-6734-06808	Antarctica/Rothera	Rothera Station, Adelaide Island
+AQ	-6448-06406	Antarctica/Palmer	Palmer Station, Anvers Island
+AQ	-6736+06253	Antarctica/Mawson	Mawson Station, Holme Bay
+AQ	-6835+07758	Antarctica/Davis	Davis Station, Vestfold Hills
+AQ	-6617+11031	Antarctica/Casey	Casey Station, Bailey Peninsula
+AQ	-7824+10654	Antarctica/Vostok	Vostok Station, S Magnetic Pole
+AQ	-6640+14001	Antarctica/DumontDUrville	Dumont-d'Urville Base, Terre Adelie
+AQ	-690022+0393524	Antarctica/Syowa	Syowa Station, E Ongul I
+AR	-3436-05827	America/Argentina/Buenos_Aires	Buenos Aires (BA, CF)
+AR	-3124-06411	America/Argentina/Cordoba	most locations (CB, CC, CN, ER, FM, LP, MN, NQ, RN, SA, SE, SF, SL)
+AR	-2411-06518	America/Argentina/Jujuy	Jujuy (JY)
+AR	-2649-06513	America/Argentina/Tucuman	Tucuman (TM)
+AR	-2828-06547	America/Argentina/Catamarca	Catamarca (CT), Chubut (CH)
+AR	-2926-06651	America/Argentina/La_Rioja	La Rioja (LR)
+AR	-3132-06831	America/Argentina/San_Juan	San Juan (SJ)
+AR	-3253-06849	America/Argentina/Mendoza	Mendoza (MZ)
+AR	-5138-06913	America/Argentina/Rio_Gallegos	Santa Cruz (SC)
+AR	-5448-06818	America/Argentina/Ushuaia	Tierra del Fuego (TF)
+AS	-1416-17042	Pacific/Pago_Pago
+AT	+4813+01620	Europe/Vienna
+AU	-3133+15905	Australia/Lord_Howe	Lord Howe Island
+AU	-4253+14719	Australia/Hobart	Tasmania - most locations
+AU	-3956+14352	Australia/Currie	Tasmania - King Island
+AU	-3749+14458	Australia/Melbourne	Victoria
+AU	-3352+15113	Australia/Sydney	New South Wales - most locations
+AU	-3157+14127	Australia/Broken_Hill	New South Wales - Yancowinna
+AU	-2728+15302	Australia/Brisbane	Queensland - most locations
+AU	-2016+14900	Australia/Lindeman	Queensland - Holiday Islands
+AU	-3455+13835	Australia/Adelaide	South Australia
+AU	-1228+13050	Australia/Darwin	Northern Territory
+AU	-3157+11551	Australia/Perth	Western Australia - most locations
+AU	-3143+12852	Australia/Eucla	Western Australia - Eucla area
+AW	+1230-06858	America/Aruba
+AX	+6006+01957	Europe/Mariehamn
+AZ	+4023+04951	Asia/Baku
+BA	+4352+01825	Europe/Sarajevo
+BB	+1306-05937	America/Barbados
+BD	+2343+09025	Asia/Dhaka
+BE	+5050+00420	Europe/Brussels
+BF	+1222-00131	Africa/Ouagadougou
+BG	+4241+02319	Europe/Sofia
+BH	+2623+05035	Asia/Bahrain
+BI	-0323+02922	Africa/Bujumbura
+BJ	+0629+00237	Africa/Porto-Novo
+BM	+3217-06446	Atlantic/Bermuda
+BN	+0456+11455	Asia/Brunei
+BO	-1630-06809	America/La_Paz
+BR	-0351-03225	America/Noronha	Atlantic islands
+BR	-0127-04829	America/Belem	Amapa, E Para
+BR	-0343-03830	America/Fortaleza	NE Brazil (MA, PI, CE, RN, PB)
+BR	-0803-03454	America/Recife	Pernambuco
+BR	-0712-04812	America/Araguaina	Tocantins
+BR	-0940-03543	America/Maceio	Alagoas, Sergipe
+BR	-1259-03831	America/Bahia	Bahia
+BR	-2332-04637	America/Sao_Paulo	S & SE Brazil (GO, DF, MG, ES, RJ, SP, PR, SC, RS)
+BR	-2027-05437	America/Campo_Grande	Mato Grosso do Sul
+BR	-1535-05605	America/Cuiaba	Mato Grosso
+BR	-0846-06354	America/Porto_Velho	W Para, Rondonia
+BR	+0249-06040	America/Boa_Vista	Roraima
+BR	-0308-06001	America/Manaus	E Amazonas
+BR	-0640-06952	America/Eirunepe	W Amazonas
+BR	-0958-06748	America/Rio_Branco	Acre
+BS	+2505-07721	America/Nassau
+BT	+2728+08939	Asia/Thimphu
+BW	-2545+02555	Africa/Gaborone
+BY	+5354+02734	Europe/Minsk
+BZ	+1730-08812	America/Belize
+CA	+4734-05243	America/St_Johns	Newfoundland Time, including SE Labrador
+CA	+4439-06336	America/Halifax	Atlantic Time - Nova Scotia (most places), PEI
+CA	+4612-05957	America/Glace_Bay	Atlantic Time - Nova Scotia - places that did not observe DST 1966-1971
+CA	+4606-06447	America/Moncton	Atlantic Time - New Brunswick
+CA	+5320-06025	America/Goose_Bay	Atlantic Time - Labrador - most locations
+CA	+5125-05707	America/Blanc-Sablon	Atlantic Standard Time - Quebec - Lower North Shore
+CA	+4531-07334	America/Montreal	Eastern Time - Quebec - most locations
+CA	+4339-07923	America/Toronto	Eastern Time - Ontario - most locations
+CA	+4901-08816	America/Nipigon	Eastern Time - Ontario & Quebec - places that did not observe DST 1967-1973
+CA	+4823-08915	America/Thunder_Bay	Eastern Time - Thunder Bay, Ontario
+CA	+6344-06828	America/Iqaluit	Eastern Time - east Nunavut - most locations
+CA	+6608-06544	America/Pangnirtung	Eastern Time - Pangnirtung, Nunavut
+CA	+744144-0944945	America/Resolute	Eastern Time - Resolute, Nunavut
+CA	+484531-0913718	America/Atikokan	Eastern Standard Time - Atikokan, Ontario and Southampton I, Nunavut
+CA	+624900-0920459	America/Rankin_Inlet	Central Time - central Nunavut
+CA	+4953-09709	America/Winnipeg	Central Time - Manitoba & west Ontario
+CA	+4843-09434	America/Rainy_River	Central Time - Rainy River & Fort Frances, Ontario
+CA	+6903-10505	America/Cambridge_Bay	Central Time - west Nunavut
+CA	+5024-10439	America/Regina	Central Standard Time - Saskatchewan - most locations
+CA	+5017-10750	America/Swift_Current	Central Standard Time - Saskatchewan - midwest
+CA	+5333-11328	America/Edmonton	Mountain Time - Alberta, east British Columbia & west Saskatchewan
+CA	+6227-11421	America/Yellowknife	Mountain Time - central Northwest Territories
+CA	+682059-1334300	America/Inuvik	Mountain Time - west Northwest Territories
+CA	+5946-12014	America/Dawson_Creek	Mountain Standard Time - Dawson Creek & Fort Saint John, British Columbia
+CA	+4916-12307	America/Vancouver	Pacific Time - west British Columbia
+CA	+6043-13503	America/Whitehorse	Pacific Time - south Yukon
+CA	+6404-13925	America/Dawson	Pacific Time - north Yukon
+CC	-1210+09655	Indian/Cocos
+CD	-0418+01518	Africa/Kinshasa	west Dem. Rep. of Congo
+CD	-1140+02728	Africa/Lubumbashi	east Dem. Rep. of Congo
+CF	+0422+01835	Africa/Bangui
+CG	-0416+01517	Africa/Brazzaville
+CH	+4723+00832	Europe/Zurich
+CI	+0519-00402	Africa/Abidjan
+CK	-2114-15946	Pacific/Rarotonga
+CL	-3327-07040	America/Santiago	most locations
+CL	-2709-10926	Pacific/Easter	Easter Island & Sala y Gomez
+CM	+0403+00942	Africa/Douala
+CN	+3114+12128	Asia/Shanghai	east China - Beijing, Guangdong, Shanghai, etc.
+CN	+4545+12641	Asia/Harbin	Heilongjiang (except Mohe), Jilin
+CN	+2934+10635	Asia/Chongqing	central China - Sichuan, Yunnan, Guangxi, Shaanxi, Guizhou, etc.
+CN	+4348+08735	Asia/Urumqi	most of Tibet & Xinjiang
+CN	+3929+07559	Asia/Kashgar	west Tibet & Xinjiang
+CO	+0436-07405	America/Bogota
+CR	+0956-08405	America/Costa_Rica
+CU	+2308-08222	America/Havana
+CV	+1455-02331	Atlantic/Cape_Verde
+CX	-1025+10543	Indian/Christmas
+CY	+3510+03322	Asia/Nicosia
+CZ	+5005+01426	Europe/Prague
+DE	+5230+01322	Europe/Berlin
+DJ	+1136+04309	Africa/Djibouti
+DK	+5540+01235	Europe/Copenhagen
+DM	+1518-06124	America/Dominica
+DO	+1828-06954	America/Santo_Domingo
+DZ	+3647+00303	Africa/Algiers
+EC	-0210-07950	America/Guayaquil	mainland
+EC	-0054-08936	Pacific/Galapagos	Galapagos Islands
+EE	+5925+02445	Europe/Tallinn
+EG	+3003+03115	Africa/Cairo
+EH	+2709-01312	Africa/El_Aaiun
+ER	+1520+03853	Africa/Asmara
+ES	+4024-00341	Europe/Madrid	mainland
+ES	+3553-00519	Africa/Ceuta	Ceuta & Melilla
+ES	+2806-01524	Atlantic/Canary	Canary Islands
+ET	+0902+03842	Africa/Addis_Ababa
+FI	+6010+02458	Europe/Helsinki
+FJ	-1808+17825	Pacific/Fiji
+FK	-5142-05751	Atlantic/Stanley
+FM	+0725+15147	Pacific/Truk	Truk (Chuuk) and Yap
+FM	+0658+15813	Pacific/Ponape	Ponape (Pohnpei)
+FM	+0519+16259	Pacific/Kosrae	Kosrae
+FO	+6201-00646	Atlantic/Faroe
+FR	+4852+00220	Europe/Paris
+GA	+0023+00927	Africa/Libreville
+GB	+512830-0001845	Europe/London
+GD	+1203-06145	America/Grenada
+GE	+4143+04449	Asia/Tbilisi
+GF	+0456-05220	America/Cayenne
+GG	+4927-00232	Europe/Guernsey
+GH	+0533-00013	Africa/Accra
+GI	+3608-00521	Europe/Gibraltar
+GL	+6411-05144	America/Godthab	most locations
+GL	+7646-01840	America/Danmarkshavn	east coast, north of Scoresbysund
+GL	+7029-02158	America/Scoresbysund	Scoresbysund / Ittoqqortoormiit
+GL	+7634-06847	America/Thule	Thule / Pituffik
+GM	+1328-01639	Africa/Banjul
+GN	+0931-01343	Africa/Conakry
+GP	+1614-06132	America/Guadeloupe
+GQ	+0345+00847	Africa/Malabo
+GR	+3758+02343	Europe/Athens
+GS	-5416-03632	Atlantic/South_Georgia
+GT	+1438-09031	America/Guatemala
+GU	+1328+14445	Pacific/Guam
+GW	+1151-01535	Africa/Bissau
+GY	+0648-05810	America/Guyana
+HK	+2217+11409	Asia/Hong_Kong
+HN	+1406-08713	America/Tegucigalpa
+HR	+4548+01558	Europe/Zagreb
+HT	+1832-07220	America/Port-au-Prince
+HU	+4730+01905	Europe/Budapest
+ID	-0610+10648	Asia/Jakarta	Java & Sumatra
+ID	-0002+10920	Asia/Pontianak	west & central Borneo
+ID	-0507+11924	Asia/Makassar	east & south Borneo, Celebes, Bali, Nusa Tengarra, west Timor
+ID	-0232+14042	Asia/Jayapura	Irian Jaya & the Moluccas
+IE	+5320-00615	Europe/Dublin
+IL	+3146+03514	Asia/Jerusalem
+IM	+5409-00428	Europe/Isle_of_Man
+IN	+2232+08822	Asia/Calcutta
+IO	-0720+07225	Indian/Chagos
+IQ	+3321+04425	Asia/Baghdad
+IR	+3540+05126	Asia/Tehran
+IS	+6409-02151	Atlantic/Reykjavik
+IT	+4154+01229	Europe/Rome
+JE	+4912-00207	Europe/Jersey
+JM	+1800-07648	America/Jamaica
+JO	+3157+03556	Asia/Amman
+JP	+353916+1394441	Asia/Tokyo
+KE	-0117+03649	Africa/Nairobi
+KG	+4254+07436	Asia/Bishkek
+KH	+1133+10455	Asia/Phnom_Penh
+KI	+0125+17300	Pacific/Tarawa	Gilbert Islands
+KI	-0308-17105	Pacific/Enderbury	Phoenix Islands
+KI	+0152-15720	Pacific/Kiritimati	Line Islands
+KM	-1141+04316	Indian/Comoro
+KN	+1718-06243	America/St_Kitts
+KP	+3901+12545	Asia/Pyongyang
+KR	+3733+12658	Asia/Seoul
+KW	+2920+04759	Asia/Kuwait
+KY	+1918-08123	America/Cayman
+KZ	+4315+07657	Asia/Almaty	most locations
+KZ	+4448+06528	Asia/Qyzylorda	Qyzylorda (Kyzylorda, Kzyl-Orda)
+KZ	+5017+05710	Asia/Aqtobe	Aqtobe (Aktobe)
+KZ	+4431+05016	Asia/Aqtau	Atyrau (Atirau, Gur'yev), Mangghystau (Mankistau)
+KZ	+5113+05121	Asia/Oral	West Kazakhstan
+LA	+1758+10236	Asia/Vientiane
+LB	+3353+03530	Asia/Beirut
+LC	+1401-06100	America/St_Lucia
+LI	+4709+00931	Europe/Vaduz
+LK	+0656+07951	Asia/Colombo
+LR	+0618-01047	Africa/Monrovia
+LS	-2928+02730	Africa/Maseru
+LT	+5441+02519	Europe/Vilnius
+LU	+4936+00609	Europe/Luxembourg
+LV	+5657+02406	Europe/Riga
+LY	+3254+01311	Africa/Tripoli
+MA	+3339-00735	Africa/Casablanca
+MC	+4342+00723	Europe/Monaco
+MD	+4700+02850	Europe/Chisinau
+ME	+4226+01916	Europe/Podgorica
+MG	-1855+04731	Indian/Antananarivo
+MH	+0709+17112	Pacific/Majuro	most locations
+MH	+0905+16720	Pacific/Kwajalein	Kwajalein
+MK	+4159+02126	Europe/Skopje
+ML	+1239-00800	Africa/Bamako
+MM	+1647+09610	Asia/Rangoon
+MN	+4755+10653	Asia/Ulaanbaatar	most locations
+MN	+4801+09139	Asia/Hovd	Bayan-Olgiy, Govi-Altai, Hovd, Uvs, Zavkhan
+MN	+4804+11430	Asia/Choibalsan	Dornod, Sukhbaatar
+MO	+2214+11335	Asia/Macau
+MP	+1512+14545	Pacific/Saipan
+MQ	+1436-06105	America/Martinique
+MR	+1806-01557	Africa/Nouakchott
+MS	+1643-06213	America/Montserrat
+MT	+3554+01431	Europe/Malta
+MU	-2010+05730	Indian/Mauritius
+MV	+0410+07330	Indian/Maldives
+MW	-1547+03500	Africa/Blantyre
+MX	+1924-09909	America/Mexico_City	Central Time - most locations
+MX	+2105-08646	America/Cancun	Central Time - Quintana Roo
+MX	+2058-08937	America/Merida	Central Time - Campeche, Yucatan
+MX	+2540-10019	America/Monterrey	Central Time - Coahuila, Durango, Nuevo Leon, Tamaulipas
+MX	+2313-10625	America/Mazatlan	Mountain Time - S Baja, Nayarit, Sinaloa
+MX	+2838-10605	America/Chihuahua	Mountain Time - Chihuahua
+MX	+2904-11058	America/Hermosillo	Mountain Standard Time - Sonora
+MX	+3232-11701	America/Tijuana	Pacific Time
+MY	+0310+10142	Asia/Kuala_Lumpur	peninsular Malaysia
+MY	+0133+11020	Asia/Kuching	Sabah & Sarawak
+MZ	-2558+03235	Africa/Maputo
+NA	-2234+01706	Africa/Windhoek
+NC	-2216+16530	Pacific/Noumea
+NE	+1331+00207	Africa/Niamey
+NF	-2903+16758	Pacific/Norfolk
+NG	+0627+00324	Africa/Lagos
+NI	+1209-08617	America/Managua
+NL	+5222+00454	Europe/Amsterdam
+NO	+5955+01045	Europe/Oslo
+NP	+2743+08519	Asia/Katmandu
+NR	-0031+16655	Pacific/Nauru
+NU	-1901+16955	Pacific/Niue
+NZ	-3652+17446	Pacific/Auckland	most locations
+NZ	-4357-17633	Pacific/Chatham	Chatham Islands
+OM	+2336+05835	Asia/Muscat
+PA	+0858-07932	America/Panama
+PE	-1203-07703	America/Lima
+PF	-1732-14934	Pacific/Tahiti	Society Islands
+PF	-0900-13930	Pacific/Marquesas	Marquesas Islands
+PF	-2308-13457	Pacific/Gambier	Gambier Islands
+PG	-0930+14710	Pacific/Port_Moresby
+PH	+1435+12100	Asia/Manila
+PK	+2452+06703	Asia/Karachi
+PL	+5215+02100	Europe/Warsaw
+PM	+4703-05620	America/Miquelon
+PN	-2504-13005	Pacific/Pitcairn
+PR	+182806-0660622	America/Puerto_Rico
+PS	+3130+03428	Asia/Gaza
+PT	+3843-00908	Europe/Lisbon	mainland
+PT	+3238-01654	Atlantic/Madeira	Madeira Islands
+PT	+3744-02540	Atlantic/Azores	Azores
+PW	+0720+13429	Pacific/Palau
+PY	-2516-05740	America/Asuncion
+QA	+2517+05132	Asia/Qatar
+RE	-2052+05528	Indian/Reunion
+RO	+4426+02606	Europe/Bucharest
+RS	+4450+02030	Europe/Belgrade
+RU	+5443+02030	Europe/Kaliningrad	Moscow-01 - Kaliningrad
+RU	+5545+03735	Europe/Moscow	Moscow+00 - west Russia
+RU	+4844+04425	Europe/Volgograd	Moscow+00 - Caspian Sea
+RU	+5312+05009	Europe/Samara	Moscow+01 - Samara, Udmurtia
+RU	+5651+06036	Asia/Yekaterinburg	Moscow+02 - Urals
+RU	+5500+07324	Asia/Omsk	Moscow+03 - west Siberia
+RU	+5502+08255	Asia/Novosibirsk	Moscow+03 - Novosibirsk
+RU	+5601+09250	Asia/Krasnoyarsk	Moscow+04 - Yenisei River
+RU	+5216+10420	Asia/Irkutsk	Moscow+05 - Lake Baikal
+RU	+6200+12940	Asia/Yakutsk	Moscow+06 - Lena River
+RU	+4310+13156	Asia/Vladivostok	Moscow+07 - Amur River
+RU	+4658+14242	Asia/Sakhalin	Moscow+07 - Sakhalin Island
+RU	+5934+15048	Asia/Magadan	Moscow+08 - Magadan
+RU	+5301+15839	Asia/Kamchatka	Moscow+09 - Kamchatka
+RU	+6445+17729	Asia/Anadyr	Moscow+10 - Bering Sea
+RW	-0157+03004	Africa/Kigali
+SA	+2438+04643	Asia/Riyadh
+SB	-0932+16012	Pacific/Guadalcanal
+SC	-0440+05528	Indian/Mahe
+SD	+1536+03232	Africa/Khartoum
+SE	+5920+01803	Europe/Stockholm
+SG	+0117+10351	Asia/Singapore
+SH	-1555-00542	Atlantic/St_Helena
+SI	+4603+01431	Europe/Ljubljana
+SJ	+7800+01600	Arctic/Longyearbyen	Svalbard
+SJ	+7059-00805	Atlantic/Jan_Mayen	Jan Mayen
+SK	+4809+01707	Europe/Bratislava
+SL	+0830-01315	Africa/Freetown
+SM	+4355+01228	Europe/San_Marino
+SN	+1440-01726	Africa/Dakar
+SO	+0204+04522	Africa/Mogadishu
+SR	+0550-05510	America/Paramaribo
+ST	+0020+00644	Africa/Sao_Tome
+SV	+1342-08912	America/El_Salvador
+SY	+3330+03618	Asia/Damascus
+SZ	-2618+03106	Africa/Mbabane
+TC	+2128-07108	America/Grand_Turk
+TD	+1207+01503	Africa/Ndjamena
+TF	-492110+0701303	Indian/Kerguelen
+TG	+0608+00113	Africa/Lome
+TH	+1345+10031	Asia/Bangkok
+TJ	+3835+06848	Asia/Dushanbe
+TK	-0922-17114	Pacific/Fakaofo
+TL	-0833+12535	Asia/Dili
+TM	+3757+05823	Asia/Ashgabat
+TN	+3648+01011	Africa/Tunis
+TO	-2110+17510	Pacific/Tongatapu
+TR	+4101+02858	Europe/Istanbul
+TT	+1039-06131	America/Port_of_Spain
+TV	-0831+17913	Pacific/Funafuti
+TW	+2503+12130	Asia/Taipei
+TZ	-0648+03917	Africa/Dar_es_Salaam
+UA	+5026+03031	Europe/Kiev	most locations
+UA	+4837+02218	Europe/Uzhgorod	Ruthenia
+UA	+4750+03510	Europe/Zaporozhye	Zaporozh'ye, E Lugansk
+UA	+4457+03406	Europe/Simferopol	central Crimea
+UG	+0019+03225	Africa/Kampala
+UM	+1700-16830	Pacific/Johnston	Johnston Atoll
+UM	+2813-17722	Pacific/Midway	Midway Islands
+UM	+1917+16637	Pacific/Wake	Wake Island
+US	+404251-0740023	America/New_York	Eastern Time
+US	+421953-0830245	America/Detroit	Eastern Time - Michigan - most locations
+US	+381515-0854534	America/Kentucky/Louisville	Eastern Time - Kentucky - Louisville area
+US	+364947-0845057	America/Kentucky/Monticello	Eastern Time - Kentucky - Wayne County
+US	+394606-0860929	America/Indiana/Indianapolis	Eastern Time - Indiana - most locations
+US	+411745-0863730	America/Indiana/Knox	Eastern Time - Indiana - Starke County
+US	+410305-0863611	America/Indiana/Winamac	Eastern Time - Indiana - Pulaski County
+US	+382232-0862041	America/Indiana/Marengo	Eastern Time - Indiana - Crawford County
+US	+384452-0850402	America/Indiana/Vevay	Eastern Time - Indiana - Switzerland County
+US	+415100-0873900	America/Chicago	Central Time
+US	+384038-0873143	America/Indiana/Vincennes	Central Time - Indiana - Daviess, Dubois, Knox, Martin & Perry Counties
+US	+382931-0871643	America/Indiana/Petersburg	Central Time - Indiana - Pike County
+US	+450628-0873651	America/Menominee	Central Time - Michigan - Dickinson, Gogebic, Iron & Menominee Counties
+US	+470659-1011757	America/North_Dakota/Center	Central Time - North Dakota - Oliver County
+US	+465042-1012439	America/North_Dakota/New_Salem	Central Time - North Dakota - Morton County (except Mandan area)
+US	+394421-1045903	America/Denver	Mountain Time
+US	+433649-1161209	America/Boise	Mountain Time - south Idaho & east Oregon
+US	+364708-1084111	America/Shiprock	Mountain Time - Navajo
+US	+332654-1120424	America/Phoenix	Mountain Standard Time - Arizona
+US	+340308-1181434	America/Los_Angeles	Pacific Time
+US	+611305-1495401	America/Anchorage	Alaska Time
+US	+581807-1342511	America/Juneau	Alaska Time - Alaska panhandle
+US	+593249-1394338	America/Yakutat	Alaska Time - Alaska panhandle neck
+US	+643004-1652423	America/Nome	Alaska Time - west Alaska
+US	+515248-1763929	America/Adak	Aleutian Islands
+US	+211825-1575130	Pacific/Honolulu	Hawaii
+UY	-3453-05611	America/Montevideo
+UZ	+3940+06648	Asia/Samarkand	west Uzbekistan
+UZ	+4120+06918	Asia/Tashkent	east Uzbekistan
+VA	+4154+01227	Europe/Vatican
+VC	+1309-06114	America/St_Vincent
+VE	+1030-06656	America/Caracas
+VG	+1827-06437	America/Tortola
+VI	+1821-06456	America/St_Thomas
+VN	+1045+10640	Asia/Saigon
+VU	-1740+16825	Pacific/Efate
+WF	-1318-17610	Pacific/Wallis
+WS	-1350-17144	Pacific/Apia
+YE	+1245+04512	Asia/Aden
+YT	-1247+04514	Indian/Mayotte
+ZA	-2615+02800	Africa/Johannesburg
+ZM	-1525+02817	Africa/Lusaka
+ZW	-1750+03103	Africa/Harare