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  • xnox/tzdata
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Makefile
View file @ 0c77366f
# Make and install tzdb code and data.
# This file is in the public domain, so clarified as of
# 2009-05-17 by Arthur David Olson.
# Request POSIX conformance; this must be the first non-comment line.
.POSIX:
# On older platforms you may need to scrounge for a POSIX-conforming 'make'.
# For example, on Solaris 10 (2005), use /usr/sfw/bin/gmake or
# /usr/xpg4/bin/make, not /usr/ccs/bin/make.
# To affect how this Makefile works, you can run a shell script like this:
#
# #!/bin/sh
# make CC='gcc -std=gnu11' "$@"
#
# This example script is appropriate for a pre-2017 GNU/Linux system
# where a non-default setting is needed to support this package's use of C99.
#
# Alternatively, you can simply edit this Makefile to tailor the following
# macro definitions.
###############################################################################
# Start of macros that one plausibly might want to tailor.
# Package name for the code distribution.
PACKAGE= tzcode
......@@ -191,8 +209,9 @@ UTF8_LOCALE= en_US.utf8
# On some hosts, this should have -lintl unless CFLAGS has -DHAVE_GETTEXT=0.
LDLIBS=
# Add the following to the end of the "CFLAGS=" line as needed to override
# defaults specified in the source code. "-DFOO" is equivalent to "-DFOO=1".
# Add the following to an uncommented "CFLAGS=" line as needed
# to override defaults specified in the source code or by the system.
# "-DFOO" is equivalent to "-DFOO=1".
# -DDEPRECATE_TWO_DIGIT_YEARS for optional runtime warnings about strftime
# formats that generate only the last two digits of year numbers
# -DEPOCH_LOCAL if the 'time' function returns local time not UT
......@@ -234,11 +253,16 @@ LDLIBS=
# -DHAVE_UNISTD_H=0 if <unistd.h> does not work*
# -DHAVE_UTMPX_H=0 if <utmpx.h> does not work*
# -Dlocale_t=XXX if your system uses XXX instead of locale_t
# -DPORT_TO_C89 if tzcode should also run on C89 platforms+
# -DPORT_TO_C89 if tzcode should also run on mostly-C89 platforms+
# Typically it is better to use a later standard. For example,
# with GCC 4.9.4 (2016), prefer '-std=gnu11' to '-DPORT_TO_C89'.
# Even with -DPORT_TO_C89, the code needs at least one C99
# feature (integers at least 64 bits wide) and maybe more.
# -DRESERVE_STD_EXT_IDS if your platform reserves standard identifiers
# with external linkage, e.g., applications cannot define 'localtime'.
# -Dssize_t=long on hosts like MS-Windows that lack ssize_t
# -DSUPPORT_C89 if the tzcode library should support C89 callers+
# However, this might trigger latent bugs in C99-or-later callers.
# -DSUPPRESS_TZDIR to not prepend TZDIR to file names; this has
# security implications and is not recommended for general use
# -DTHREAD_SAFE to make localtime.c thread-safe, as POSIX requires;
......@@ -270,11 +294,15 @@ LDLIBS=
# -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)
# -g to generate symbolic debugging info
# -Idir to include from directory 'dir'
# -O0 to disable optimization; other -O options to enable more optimization
# -Uname to remove any definition of the macro 'name'
# $(GCC_DEBUG_FLAGS) if you are using recent GCC and want lots of checking
#
# * Options marked "*" can be omitted if your compiler is C23 compatible.
# * Options marked "+" are obsolescent and are planned to be removed
# once the code assumes C99 or later.
# once the code assumes C99 or later, say in the year 2029.
#
# Select instrumentation via "make GCC_INSTRUMENT='whatever'".
GCC_INSTRUMENT = \
......@@ -353,9 +381,11 @@ GCC_DEBUG_FLAGS = -DGCC_LINT -g3 -O3 -fno-common \
# functions to be added to the time conversion library.
# "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".
# I.e., "offtime" is like calling "localtime_rz" with a fixed-offset zone.
# "timelocal" is nearly equivalent to "mktime".
# "timeoff" is like "timegm" except that it accepts a second (long) argument
# that gives an offset to use when converting to a time_t.
# I.e., "timeoff" is like calling "mktime_z" with a fixed-offset zone.
# "posix2time" and "time2posix" are described in an included manual page.
# X3J11's work does not describe any of these functions.
# These functions may well disappear in future releases of the time
......@@ -378,7 +408,7 @@ GCC_DEBUG_FLAGS = -DGCC_LINT -g3 -O3 -fno-common \
#
# 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
# which claims to test C and POSIX conformance. If you want to pass PCTS, add
# -DPCTS
# to the end of the "CFLAGS=" line.
#
......@@ -388,13 +418,21 @@ GCC_DEBUG_FLAGS = -DGCC_LINT -g3 -O3 -fno-common \
# 53 as a week number (rather than 52 or 53) for January days before
# January's first Monday when a "%V" format is used and January 1
# falls on a Friday, Saturday, or Sunday.
#
# POSIX says CFLAGS defaults to "-O 1".
# Uncomment the following line and edit its contents as needed.
CFLAGS=
#CFLAGS= -O 1
# Linker flags. Default to $(LFLAGS) for backwards compatibility
# to release 2012h and earlier.
LDFLAGS= $(LFLAGS)
# The name of a POSIX-like library archiver, its flags, C compiler,
# linker flags, and 'make' utility. Ordinarily the defaults suffice.
# The commented-out values are the defaults specified by POSIX 202x/D3.
#AR = ar
#ARFLAGS = -rv
#CC = c17
#LDFLAGS =
#MAKE = make
# For leap seconds, this Makefile uses LEAPSECONDS='-L leapseconds' in
# submake command lines. The default is no leap seconds.
......@@ -418,18 +456,18 @@ ZFLAGS=
ZIC_INSTALL= $(ZIC) -d '$(DESTDIR)$(TZDIR)' $(LEAPSECONDS)
# The name of a Posix-compliant 'awk' on your system.
# The name of a POSIX-compliant 'awk' on your system.
# mawk 1.3.3 and Solaris 10 /usr/bin/awk do not work.
# Also, it is better (though not essential) if 'awk' supports UTF-8,
# and unfortunately mawk and busybox awk do not support UTF-8.
# Try AWK=gawk or AWK=nawk if your awk has the abovementioned problems.
AWK= awk
# The full path name of a Posix-compliant shell, preferably one that supports
# The full path name of a POSIX-compliant shell, preferably one that supports
# the Korn shell's 'select' statement as an extension.
# These days, Bash is the most popular.
# It should be OK to set this to /bin/sh, on platforms where /bin/sh
# lacks 'select' or doesn't completely conform to Posix, but /bin/bash
# lacks 'select' or doesn't completely conform to POSIX, but /bin/bash
# is typically nicer if it works.
KSHELL= /bin/bash
......@@ -503,17 +541,16 @@ GZIPFLAGS= -9n
DIFF_TZS= diff -u$$(! diff -u -F'^TZ=' - - <>/dev/null >&0 2>&1 \
|| echo ' -F^TZ=')
###############################################################################
#MAKE= make
# ':' on typical hosts; 'ranlib' on the ancient hosts that still need ranlib.
RANLIB= :
cc= cc
CC= $(cc) -DTZDIR='"$(TZDIR)"'
# POSIX prohibits defining or using SHELL. However, csh users on systems
# that use the user shell for Makefile commands may need to define SHELL.
#SHELL= /bin/sh
AR= ar
# End of macros that one plausibly might want to tailor.
###############################################################################
# ':' on typical hosts; 'ranlib' on the ancient hosts that still need ranlib.
RANLIB= :
TZCOBJS= zic.o
TZDOBJS= zdump.o localtime.o asctime.o strftime.o
......@@ -543,7 +580,7 @@ YDATA= $(PRIMARY_YDATA) etcetera
NDATA= factory
TDATA_TO_CHECK= $(YDATA) $(NDATA) backward
TDATA= $(YDATA) $(NDATA) $(BACKWARD)
ZONETABLES= zone1970.tab zone.tab
ZONETABLES= zone.tab zone1970.tab zonenow.tab
TABDATA= iso3166.tab $(TZDATA_TEXT) $(ZONETABLES)
LEAP_DEPS= leapseconds.awk leap-seconds.list
TZDATA_ZI_DEPS= ziguard.awk zishrink.awk version $(TDATA) \
......@@ -551,7 +588,7 @@ TZDATA_ZI_DEPS= ziguard.awk zishrink.awk version $(TDATA) \
DSTDATA_ZI_DEPS= ziguard.awk $(TDATA) $(PACKRATDATA) $(PACKRATLIST)
DATA= $(TDATA_TO_CHECK) backzone iso3166.tab leap-seconds.list \
leapseconds $(ZONETABLES)
AWK_SCRIPTS= checklinks.awk checktab.awk leapseconds.awk \
AWK_SCRIPTS= checklinks.awk checknow.awk checktab.awk leapseconds.awk \
ziguard.awk zishrink.awk
MISC= $(AWK_SCRIPTS)
TZS_YEAR= 2050
......@@ -572,7 +609,7 @@ VERSION_DEPS= \
calendars CONTRIBUTING LICENSE Makefile NEWS README SECURITY \
africa antarctica asctime.c asia australasia \
backward backzone \
checklinks.awk checktab.awk \
checklinks.awk checknow.awk checktab.awk \
date.1 date.c difftime.c \
etcetera europe factory iso3166.tab \
leap-seconds.list leapseconds.awk localtime.c \
......@@ -582,12 +619,7 @@ VERSION_DEPS= \
tzfile.5 tzfile.h tzselect.8 tzselect.ksh \
workman.sh zdump.8 zdump.c zic.8 zic.c \
ziguard.awk zishrink.awk \
zone.tab zone1970.tab
# 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
zone.tab zone1970.tab zonenow.tab
all: tzselect zic zdump libtz.a $(TABDATA) \
vanguard.zi main.zi rearguard.zi
......@@ -657,6 +689,16 @@ tzdata.zi: $(DATAFORM).zi version zishrink.awk
$(DATAFORM).zi >$@.out
mv $@.out $@
tzdir.h:
printf '%s\n' >$@.out \
'#ifndef TZDEFAULT' \
'# define TZDEFAULT "$(TZDEFAULT)" /* default zone */' \
'#endif' \
'#ifndef TZDIR' \
'# define TZDIR "$(TZDIR)" /* TZif directory */' \
'#endif'
mv $@.out $@
version.h: version
VERSION=`cat version` && printf '%s\n' \
'static char const PKGVERSION[]="($(PACKAGE)) ";' \
......@@ -763,7 +805,7 @@ force_tzs: $(TZS_NEW)
libtz.a: $(LIBOBJS)
rm -f $@
$(AR) -rc $@ $(LIBOBJS)
$(AR) $(ARFLAGS) $@ $(LIBOBJS)
$(RANLIB) $@
date: $(DATEOBJS)
......@@ -771,26 +813,32 @@ date: $(DATEOBJS)
tzselect: tzselect.ksh version
VERSION=`cat version` && sed \
-e 's|#!/bin/bash|#!$(KSHELL)|g' \
-e 's|AWK=[^}]*|AWK='\''$(AWK)'\''|g' \
-e 's|\(PKGVERSION\)=.*|\1='\''($(PACKAGE)) '\''|' \
-e 's|\(REPORT_BUGS_TO\)=.*|\1=$(BUGEMAIL)|' \
-e 's|TZDIR=[^}]*|TZDIR=$(TZDIR)|' \
-e 's|\(TZVERSION\)=.*|\1='"$$VERSION"'|' \
<$@.ksh >$@.out
-e "s'#!/bin/bash'#!"'$(KSHELL)'\' \
-e s\''\(AWK\)=[^}]*'\''\1=\'\''$(AWK)\'\'\' \
-e s\''\(PKGVERSION\)=.*'\''\1=\'\''($(PACKAGE)) \'\'\' \
-e s\''\(REPORT_BUGS_TO\)=.*'\''\1=\'\''$(BUGEMAIL)\'\'\' \
-e s\''\(TZDIR\)=[^}]*'\''\1=\'\''$(TZDIR)\'\'\' \
-e s\''\(TZVERSION\)=.*'\''\1=\'"'$$VERSION\\''" \
<$@.ksh >$@.out
chmod +x $@.out
mv $@.out $@
check: check_back check_mild
check_mild: check_character_set check_white_space check_links \
check_name_lengths check_slashed_abbrs check_sorted \
check_name_lengths check_now \
check_slashed_abbrs check_sorted \
check_tables check_web check_ziguard check_zishrink check_tzs
# True if UTF8_LOCALE does not work;
# otherwise, false but with LC_ALL set to $(UTF8_LOCALE).
UTF8_LOCALE_MISSING = \
{ test ! '$(UTF8_LOCALE)' \
|| ! printf 'A\304\200B\n' \
| LC_ALL='$(UTF8_LOCALE)' grep -q '^A.B$$' >/dev/null 2>&1 \
|| { LC_ALL='$(UTF8_LOCALE)'; export LC_ALL; false; }; }
check_character_set: $(ENCHILADA)
test ! '$(UTF8_LOCALE)' || \
! printf 'A\304\200B\n' | \
LC_ALL='$(UTF8_LOCALE)' grep -q '^A.B$$' >/dev/null 2>&1 || { \
LC_ALL='$(UTF8_LOCALE)' && export LC_ALL && \
$(UTF8_LOCALE_MISSING) || { \
sharp='#' && \
! grep -Env $(SAFE_LINE) $(MANS) date.1 $(MANTXTS) \
$(MISC) $(SOURCES) $(WEB_PAGES) \
......@@ -805,12 +853,12 @@ check_character_set: $(ENCHILADA)
touch $@
check_white_space: $(ENCHILADA)
$(UTF8_LOCALE_MISSING) || { \
patfmt=' \t|[\f\r\v]' && pat=`printf "$$patfmt\\n"` && \
! grep -En "$$pat" \
$$(ls $(ENCHILADA) | grep -Fvx leap-seconds.list)
! grep -n '[$s]$$' \
$$(ls $(ENCHILADA) | grep -Fvx leap-seconds.list)
touch $@
! grep -En "$$pat|[$s]\$$" \
$$(ls $(ENCHILADA) | grep -Fvx leap-seconds.list); \
}
touch $@
PRECEDES_FILE_NAME = ^(Zone|Link[$s]+[^$s]+)[$s]+
FILE_NAME_COMPONENT_TOO_LONG = $(PRECEDES_FILE_NAME)[^$s]*[^/$s]{15}
......@@ -851,7 +899,29 @@ check_links: checklinks.awk tzdata.zi
-f checklinks.awk tzdata.zi
touch $@
check_tables: checktab.awk $(YDATA) backward $(ZONETABLES)
# Check timestamps from now through 28 years from now, to make sure
# that zonenow.tab contains all sequences of planned timestamps,
# without any duplicate sequences. In theory this might require
# 2800 years but that would take a long time to check.
CHECK_NOW_TIMESTAMP = `./date +%s`
CHECK_NOW_FUTURE_YEARS = 28
CHECK_NOW_FUTURE_SECS = $(CHECK_NOW_FUTURE_YEARS) '*' 366 '*' 24 '*' 60 '*' 60
check_now: checknow.awk date tzdata.zi zdump zic zone1970.tab zonenow.tab
rm -fr $@.dir
mkdir $@.dir
./zic -d $@.dir tzdata.zi
now=$(CHECK_NOW_TIMESTAMP) && \
future=`expr $(CHECK_NOW_FUTURE_SECS) + $$now` && \
./zdump -i -t $$now,$$future \
$$(find $$PWD/$@.dir/????*/ -type f) \
>$@.dir/zdump.tab
$(AWK) \
-v zdump_table=$@.dir/zdump.tab \
-f checknow.awk zonenow.tab
rm -fr $@.dir
touch $@
check_tables: checktab.awk $(YDATA) backward zone.tab zone1970.tab
for tab in $(ZONETABLES); do \
test "$$tab" = zone.tab && links='$(BACKWARD)' || links=''; \
$(AWK) -f checktab.awk -v zone_table=$$tab $(YDATA) $$links \
......@@ -911,10 +981,10 @@ check_zishrink_posix check_zishrink_right: \
touch $@
clean_misc:
rm -fr check_*.dir
rm -fr check_*.dir typecheck_*.dir
rm -f *.o *.out $(TIME_T_ALTERNATIVES) \
check_* core typecheck_* \
date tzselect version.h zdump zic libtz.a
date tzdir.h tzselect version.h zdump zic libtz.a
clean: clean_misc
rm -fr *.dir tzdb-*/
rm -f *.zi $(TZS_NEW)
......@@ -952,12 +1022,18 @@ $(MANTXTS): workman.sh
# plus N if GNU ls and touch are available.
SET_TIMESTAMP_N = sh -c '\
n=$$0 dest=$$1; shift; \
touch -cmr `ls -t "$$@" | sed 1q` "$$dest" && \
<"$$dest" && \
if test $$n != 0 && \
lsout=`ls -n --time-style="+%s" "$$dest" 2>/dev/null`; then \
lsout=`ls -nt --time-style="+%s" "$$@" 2>/dev/null`; then \
set x $$lsout && \
touch -cmd @`expr $$7 + $$n` "$$dest"; \
else :; fi'
timestamp=`expr $$7 + $$n` && \
echo "+ touch -md @$$timestamp $$dest" && \
touch -md @$$timestamp "$$dest"; \
else \
newest=`ls -t "$$@" | sed 1q` && \
echo "+ touch -mr $$newest $$dest" && \
touch -mr "$$newest" "$$dest"; \
fi'
# If DEST depends on A B C ... in this Makefile, callers should use
# $(SET_TIMESTAMP_DEP) DEST A B C ..., for the benefit of any
# downstream 'make' that considers equal timestamps to be out of date.
......@@ -982,8 +1058,12 @@ set-timestamps.out: $(EIGHT_YARDS)
rm -f test.out && \
for file in $$files; do \
if git diff --quiet $$file; then \
time=`git log -1 --format='tformat:%ct' $$file` && \
touch -cmd @$$time $$file; \
time=`TZ=UTC0 git log -1 \
--format='tformat:%cd' \
--date='format:%Y-%m-%dT%H:%M:%SZ' \
$$file` && \
echo "+ touch -md $$time $$file" && \
touch -md $$time $$file; \
else \
echo >&2 "$$file: warning: does not match repository"; \
fi || exit; \
......@@ -1008,7 +1088,8 @@ check_public: $(VERSION_DEPS)
rm -fr public.dir
mkdir public.dir
ln $(VERSION_DEPS) public.dir
cd public.dir && $(MAKE) CFLAGS='$(GCC_DEBUG_FLAGS)' ALL
cd public.dir \
&& $(MAKE) CFLAGS='$(GCC_DEBUG_FLAGS)' TZDIR='$(TZDIR)' ALL
for i in $(TDATA_TO_CHECK) public.dir/tzdata.zi \
public.dir/vanguard.zi public.dir/main.zi \
public.dir/rearguard.zi; \
......@@ -1139,7 +1220,7 @@ tzdata$(VERSION)-rearguard.tar.gz: rearguard.zi set-timestamps.out
sed '1s/$$/-rearguard/' <version >$@.dir/version
: The dummy pacificnew pacifies TZUpdater 2.3.1 and earlier.
$(CREATE_EMPTY) $@.dir/pacificnew
touch -cmr version $@.dir/version
touch -mr version $@.dir/version
LC_ALL=C && export LC_ALL && \
(cd $@.dir && \
tar $(TARFLAGS) -cf - \
......@@ -1163,7 +1244,7 @@ tzdata$(VERSION)-tailored.tar.gz: set-timestamps.out
`test $(DATAFORM) = vanguard || echo pacificnew`
(grep '^#' tzdata.zi && echo && cat $(DATAFORM).zi) \
>$@.dir/etcetera
touch -cmr tzdata.zi $@.dir/etcetera
touch -mr tzdata.zi $@.dir/etcetera
sed -n \
-e '/^# *version *\(.*\)/h' \
-e '/^# *ddeps */H' \
......@@ -1174,7 +1255,7 @@ tzdata$(VERSION)-tailored.tar.gz: set-timestamps.out
-e 's/ /-/g' \
-e 'p' \
<tzdata.zi >$@.dir/version
touch -cmr version $@.dir/version
touch -mr version $@.dir/version
links= && \
for file in $(TZDATA_DIST); do \
test -f $@.dir/$$file || links="$$links $$file"; \
......@@ -1226,10 +1307,10 @@ zonenames: tzdata.zi
asctime.o: private.h tzfile.h
date.o: private.h
difftime.o: private.h
localtime.o: private.h tzfile.h
localtime.o: private.h tzfile.h tzdir.h
strftime.o: private.h tzfile.h
zdump.o: version.h
zic.o: private.h tzfile.h version.h
zic.o: private.h tzfile.h tzdir.h version.h
.PHONY: ALL INSTALL all
.PHONY: check check_mild check_time_t_alternatives
......
NEWS
View file @ 0c77366f
News for the tz database
Release 2023d - 2023-12-21 20:02:24 -0800
Briefly:
Ittoqqortoormiit, Greenland changes time zones on 2024-03-31.
Vostok, Antarctica changed time zones on 2023-12-18.
Casey, Antarctica changed time zones five times since 2020.
Code and data fixes for Palestine timestamps starting in 2072.
A new data file zonenow.tab for timestamps starting now.
Changes to future timestamps
Ittoqqortoormiit, Greenland (America/Scoresbysund) joins most of
the rest of Greenland's timekeeping practice on 2024-03-31, by
changing its time zone from -01/+00 to -02/-01 at the same moment
as the spring-forward transition. Its clocks will therefore not
spring forward as previously scheduled. The time zone change
reverts to its common practice before 1981.
Fix predictions for DST transitions in Palestine in 2072-2075,
correcting a typo introduced in 2023a.
Changes to past and future timestamps
Vostok, Antarctica changed to +05 on 2023-12-18. It had been at
+07 (not +06) for years. (Thanks to Zakhary V. Akulov.)
Change data for Casey, Antarctica to agree with timeanddate.com,
by adding five time zone changes since 2020. Casey is now at +08
instead of +11.
Changes to past tm_isdst flags
Much of Greenland, represented by America/Nuuk, changed its
standard time from -03 to -02 on 2023-03-25, not on 2023-10-28.
This does not affect UTC offsets, only the tm_isdst flag.
(Thanks to Thomas M. Steenholdt.)
New data file
A new data file zonenow.tab helps configure applications that use
timestamps dated from now on. This simplifies configuration,
since users choose from a smaller Zone set. The file's format is
experimental and subject to change.
Changes to code
localtime.c no longer mishandles TZif files that contain a single
transition into a DST regime. Previously, it incorrectly assumed
DST was in effect before the transition too. (Thanks to Alois
Treindl for debugging help.)
localtime.c's timeoff no longer collides with OpenBSD 7.4.
The C code now uses _Generic only if __STDC_VERSION__ says the
compiler is C11 or later.
tzselect now optionally reads zonenow.tab, to simplify when
configuring only for timestamps dated from now on.
tzselect no longer creates temporary files.
tzselect no longer mishandles the following:
Spaces and most other special characters in BUGEMAIL, PACKAGE,
TZDIR, and VERSION.
TZ strings when using mawk 1.4.3, which mishandles regular
expressions of the form /X{2,}/.
ISO 6709 coordinates when using an awk that lacks the GNU
extension of newlines in -v option-arguments.
Non UTF-8 locales when using an iconv command that lacks the GNU
//TRANSLIT extension.
zic no longer mishandles data for Palestine after the year 2075.
Previously, it incorrectly omitted post-2075 transitions that are
predicted for just before and just after Ramadan. (Thanks to Ken
Murchison for debugging help.)
zic now works again on Linux 2.6.16 and 2.6.17 (2006).
(Problem reported by Rune Torgersen.)
Changes to build procedure
The Makefile is now more compatible with POSIX:
* It no longer defines AR, CC, CFLAGS, LDFLAGS, and SHELL.
* It no longer uses its own 'cc' in place of CC.
* It now uses ARFLAGS, with default specified by POSIX.
* It does not use LFLAGS incompatibly with POSIX.
* It uses the special .POSIX target.
* It quotes special characters more carefully.
* It no longer mishandles builds in an ISO 8859 locale.
Due to the CC changes, TZDIR is now #defined in a file tzfile.h
built by 'make', not in a $(CC) -D option. Also, TZDEFAULT is
now treated like TZDIR as they have similar roles.
Changes to commentary
Limitations and hazards of the optional support for obsolescent
C89 platforms are documented better, along with a tentative
schedule for removing this support.
Release 2023c - 2023-03-28 12:42:14 -0700
Changes to past and future timestamps
......@@ -76,11 +180,14 @@ Release 2023a - 2023-03-22 12:39:33 -0700
platform dependent and abbreviations were silently truncated to
16 bytes even when the limit was greater than 16.
The code by default is now designed for C99 or later. To build in
a C89 environment, compile with -DPORT_TO_C89. To support C89
callers of the tzcode library, compile with -DSUPPORT_C89. The
two new macros are transitional aids planned to be removed in a
future version, when C99 or later will be required.
The code by default is now designed for C99 or later. To build on
a mostly-C89 platform, compile with -DPORT_TO_C89; this should
work on C89 platforms that also support C99 'long long' and
perhaps a few other extensions to C89. To support C89 callers of
tzcode's library, compile with -DSUPPORT_C89; however, this could
trigger latent bugs in C99-or-later callers. The two new macros
are transitional aids planned to be removed in a future version
(say, in 2029), when C99 or later will be required.
The code now builds again on pre-C99 platforms, if you compile
with -DPORT_TO_C89. This fixes a bug introduced in 2022f.
......@@ -723,6 +830,8 @@ Release 2021b - 2021-09-24 16:23:00 -0700
them, set the EXPIRES_LINE Makefile variable. If a TZif file uses
this new feature it is marked with a new TZif version number 4,
a format intended to be documented in a successor to RFC 8536.
The old-format "#expires" comments are now treated solely as
comments and have no effect on the TZif files.
zic -L LEAPFILE -r @LO no longer generates an invalid TZif file
that omits leap second information for the range LO..B when LO
......@@ -4302,7 +4411,7 @@ Release 2012j - 2012-11-12 18:34:49 -0800
now uses tz@iana.org rather than the old elsie address.
zic -v now complains about abbreviations that are less than 3
or more than 6 characters, as per Posix. Formerly, it checked
or more than 6 characters, as per POSIX. Formerly, it checked
for abbreviations that were more than 3.
'make public' no longer puts its temporary directory under /tmp,
......@@ -4467,8 +4576,8 @@ Release data2011m - 2011-10-24 21:42:16 +0700
In particular, the typos in comments in the data (2011-11-17 should have
been 2011-10-17 as Alan Barrett noted, and spelling of Tiraspol that
Tim Parenti noted) have been fixed, and the change for Ukraine has been
made in all 4 Ukrainian zones, rather than just Kiev (again, thanks to
Tim Parenti, and also Denys Gavrysh)
made in all 4 Ukrainian zones, rather than just Europe/Kiev
(again, thanks to Tim Parenti, and also Denys Gavrysh).
In addition, I added Europe/Tiraspol to zone.tab.
......
README
View file @ 0c77366f
......@@ -11,14 +11,17 @@ changes made by political bodies to time zone boundaries, UTC offsets,
and daylight-saving rules.
See <https://www.iana.org/time-zones/repository/tz-link.html> or the
file tz-link.html for how to acquire the code and data. Once acquired,
read the comments in the file '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
$HOME/tzdir/usr/bin/zdump -v America/Los_Angeles
file tz-link.html for how to acquire the code and data.
Once acquired, read the leading comments in the file "Makefile"
and make any changes needed to make things right for your system,
especially when using a platform other than current GNU/Linux.
Then run the following commands, substituting your desired
installation directory for "$HOME/tzdir":
make TOPDIR="$HOME/tzdir" install
"$HOME/tzdir/usr/bin/zdump" -v America/Los_Angeles
See the file tz-how-to.html for examples of how to read the data files.
......
africa
View file @ 0c77366f
......@@ -285,13 +285,6 @@ Rule Egypt 2007 only - Sep Thu>=1 24:00 0 -
# reproduced by other (more accessible) sites[, e.g.,]...
# http://elgornal.net/news/news.aspx?id=4699258
# From Paul Eggert (2014-06-04):
# Sarah El Deeb and Lee Keath of AP report that the Egyptian government says
# the change is because of blackouts in Cairo, even though Ahram Online (cited
# above) says DST had no affect on electricity consumption. There is
# no information about when DST will end this fall. See:
# http://abcnews.go.com/International/wireStory/el-sissi-pushes-egyptians-line-23614833
# From Steffen Thorsen (2015-04-08):
# Egypt will start DST on midnight after Thursday, April 30, 2015.
# This is based on a law (no 35) from May 15, 2014 saying it starts the last
......
antarctica
View file @ 0c77366f
......@@ -80,6 +80,11 @@
# - 2018 Oct 7 4:00 - 2019 Mar 17 3:00 - 2019 Oct 4 3:00 - 2020 Mar 8 3:00
# and now - 2020 Oct 4 0:01
# From Paul Eggert (2023-12-20):
# Transitions from 2021 on are taken from:
# https://www.timeanddate.com/time/zone/antarctica/casey
# retrieved at various dates.
# Zone NAME STDOFF RULES FORMAT [UNTIL]
Zone Antarctica/Casey 0 - -00 1969
8:00 - +08 2009 Oct 18 2:00
......@@ -93,7 +98,12 @@ Zone Antarctica/Casey 0 - -00 1969
8:00 - +08 2019 Oct 4 3:00
11:00 - +11 2020 Mar 8 3:00
8:00 - +08 2020 Oct 4 0:01
11:00 - +11
11:00 - +11 2021 Mar 14 0:00
8:00 - +08 2021 Oct 3 0:01
11:00 - +11 2022 Mar 13 0:00
8:00 - +08 2022 Oct 2 0:01
11:00 - +11 2023 Mar 9 3:00
8:00 - +08
Zone Antarctica/Davis 0 - -00 1957 Jan 13
7:00 - +07 1964 Nov
0 - -00 1969 Feb
......@@ -240,7 +250,50 @@ Zone Antarctica/Troll 0 - -00 2005 Feb 12
# year-round from 1960/61 to 1992
# Vostok, since 1957-12-16, temporarily closed 1994-02/1994-11
# See Asia/Urumqi.
# From Craig Mundell (1994-12-15):
# http://quest.arc.nasa.gov/antarctica/QA/computers/Directions,Time,ZIP
# 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 Antarctic 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.
#
# From Zakhary V. Akulov (2023-12-17 22:00:48 +0700):
# ... from December, 18, 2023 00:00 by my decision the local time of
# the Antarctic research base Vostok will correspond to UTC+5.
# (2023-12-19): We constantly interact with Progress base, with company who
# builds new wintering station, with sledge convoys, with aviation - they all
# use UTC+5. Besides, difference between Moscow time is just 2 hours now, not 4.
# (2023-12-19, in response to the question "Has local time at Vostok
# been UTC+6 ever since 1957, or has it changed before?"): No. At least
# since my antarctic career start, 10 years ago, Vostok base has UTC+7.
# (In response to a 2023-12-18 question "from 02:00 to 00:00 today"): This.
#
# From Paul Eggert (2023-12-18):
# For lack of better info, guess Vostok was at +07 from founding through today,
# except when closed.
# Zone NAME STDOFF RULES FORMAT [UNTIL]
Zone Antarctica/Vostok 0 - -00 1957 Dec 16
7:00 - +07 1994 Feb
0 - -00 1994 Nov
7:00 - +07 2023 Dec 18 2:00
5:00 - +05
# S Africa - year-round bases
# Marion Island, -4653+03752
......
asia
View file @ 0c77366f
......@@ -655,7 +655,6 @@ Zone Asia/Shanghai 8:05:43 - LMT 1901
8:00 PRC C%sT
# Xinjiang time, used by many in western China; represented by Ürümqi / Ürümchi
# / Wulumuqi. (Please use Asia/Shanghai if you prefer Beijing time.)
# Vostok base in Antarctica matches this since 1970.
Zone Asia/Urumqi 5:50:20 - LMT 1928
6:00 - +06
......@@ -3427,6 +3426,9 @@ Zone Asia/Karachi 4:28:12 - LMT 1907
# From Heba Hamad (2023-03-22):
# ... summer time will begin in Palestine from Saturday 04-29-2023,
# 02:00 AM by 60 minutes forward.
# From Heba Hemad (2023-10-09):
# ... winter time will begin in Palestine from Saturday 10-28-2023,
# 02:00 AM by 60 minutes back.
#
# From Paul Eggert (2023-03-22):
# For now, guess that spring and fall transitions will normally
......@@ -3548,13 +3550,13 @@ Rule Palestine 2070 only - Oct 4 2:00 0 -
Rule Palestine 2071 only - Sep 19 2:00 0 -
Rule Palestine 2072 only - Sep 10 2:00 0 -
Rule Palestine 2072 only - Oct 15 2:00 1:00 S
Rule Palestine 2072 max - Oct Sat<=30 2:00 0 -
Rule Palestine 2073 only - Sep 2 2:00 0 -
Rule Palestine 2073 only - Oct 7 2:00 1:00 S
Rule Palestine 2074 only - Aug 18 2:00 0 -
Rule Palestine 2074 only - Sep 29 2:00 1:00 S
Rule Palestine 2075 only - Aug 10 2:00 0 -
Rule Palestine 2075 only - Sep 14 2:00 1:00 S
Rule Palestine 2075 max - Oct Sat<=30 2:00 0 -
Rule Palestine 2076 only - Jul 25 2:00 0 -
Rule Palestine 2076 only - Sep 5 2:00 1:00 S
Rule Palestine 2077 only - Jul 17 2:00 0 -
......
australasia
View file @ 0c77366f
......@@ -391,8 +391,14 @@ Zone Antarctica/Macquarie 0 - -00 1899 Nov
# Please note that there will not be any daylight savings time change
# in Fiji for 2022-2023....
# https://www.facebook.com/FijianGovernment/posts/pfbid0mmWVTYmTibn66ybpFda75pDcf34SSpoSaskJW5gXwaKo5Sgc7273Q4fXWc6kQV6Hl
# From Almaz Mingaleev (2023-10-06):
# Cabinet approved the suspension of Daylight Saving and appropriate
# legislative changes will be considered including the repeal of the
# Daylight Saving Act 1998
# https://www.fiji.gov.fj/Media-Centre/Speeches/English/CABINET-DECISIONS-3-OCTOBER-2023
#
# From Paul Eggert (2022-10-27):
# From Paul Eggert (2023-10-06):
# For now, assume DST is suspended indefinitely.
# Rule NAME FROM TO - IN ON AT SAVE LETTER/S
......
backward
View file @ 0c77366f
......@@ -205,7 +205,6 @@ Link America/Puerto_Rico America/Tortola
Link Pacific/Port_Moresby Antarctica/DumontDUrville
Link Pacific/Auckland Antarctica/McMurdo
Link Asia/Riyadh Antarctica/Syowa
Link Asia/Urumqi Antarctica/Vostok
Link Europe/Berlin Arctic/Longyearbyen
Link Asia/Riyadh Asia/Aden
Link Asia/Qatar Asia/Bahrain
......
backzone
View file @ 0c77366f
......@@ -963,35 +963,6 @@ Link Antarctica/McMurdo Antarctica/South_Pole
Zone Antarctica/Syowa 0 - -00 1957 Jan 29
3:00 - +03
# Vostok, Antarctica
#
# Vostok, since 1957-12-16, temporarily closed 1994-02/1994-11
# From Craig Mundell (1994-12-15):
# http://quest.arc.nasa.gov/antarctica/QA/computers/Directions,Time,ZIP
# 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 Antarctic 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 +06.
#
Zone Antarctica/Vostok 0 - -00 1957 Dec 16
6:00 - +06
# Yemen
# Milne says 2:59:54 was the meridian of the saluting battery at Aden,
# and that Yemen was at 1:55:56, the meridian of the Hagia Sophia.
......
checknow.awk 0 → 100644
View file @ 0c77366f
# Check zonenow.tab for consistency with primary data.
# Contributed by Paul Eggert. This file is in the public domain.
function record_zone(zone, data) {
if (zone) {
zone_data[zone] = data
zones[data] = zones[data] " " zone
}
}
BEGIN {
while (getline <zdump_table) {
if ($0 ~ /^TZ/) {
record_zone(zone, data)
zone = $0
sub(/.*\.dir\//, "", zone)
sub(/\/\//, "/", zone)
sub(/"/, "", zone)
data = ""
} else if ($0 ~ /./)
data = data $0 "\n"
}
record_zone(zone, data)
FS = "\t"
}
/^[^#]/ {
zone = $3
data = zone_data[zone]
if (!data) {
printf "%s: no data\n", zone
status = 1
} else {
zone2 = zonenow[data]
if (zone2) {
printf "zones %s and %s identical from now on\n", zone, zone2
status = 1
} else
zonenow[data] = zone
}
}
END {
for (zone in zone_data) {
data = zone_data[zone]
if (!zonenow[data]) {
printf "checknow.tab should have one of:%s\n", zones[data]
zonenow[data] = zone # This suppresses duplicate diagnostics.
status = 1
}
}
exit status
}
checktab.awk
View file @ 0c77366f
......@@ -83,7 +83,7 @@ BEGIN {
cc = cca[i]
if (cc2name[cc]) {
cc_used[cc]++
} else {
} else if (! (cc == "XX" && zone_table == "zonenow.tab")) {
printf "%s:%d: %s: unknown country code\n", \
zone_table, zone_NR, cc >>"/dev/stderr"
status = 1
......@@ -110,7 +110,7 @@ BEGIN {
used_max_cc = cc
}
}
if (used_max <= 1 && comments) {
if (used_max <= 1 && comments && zone_table != "zonenow.tab") {
printf "%s:%d: unnecessary comment '%s'\n", \
zone_table, i, comments \
>>"/dev/stderr"
......@@ -149,7 +149,8 @@ $1 ~ /^#/ { next }
if ($3 ~ /%/) rulePercentUsed[$2] = 1
}
if (tz && tz ~ /\// && tz !~ /^Etc\//) {
if (!tztab[tz] && FILENAME != "backward") {
if (!tztab[tz] && FILENAME != "backward" \
&& zone_table != "zonenow.tab") {
printf "%s: no data for '%s'\n", zone_table, tz \
>>"/dev/stderr"
status = 1
......
debian/NEWS 0 → 100644
View file @ 0c77366f
tzdata (2023d-1) unstable; urgency=medium
From 2023c-8 on the tzdata package ships only timezones that follow the
current rules of geographical region (continent or ocean) and city name.
All legacy timezone symlinks (old or merged timezones mentioned in the
upstream backward file) were moved to tzdata-legacy. This includes the
US/* timezones.
Please install tzdata-legacy in case you need the legacy timezones or to
restore the previous behavior. This might be needed in case the system
provides timezone-aware data over the network (e. g. SQL databases).
-- Benjamin Drung <bdrung@debian.org> Tue, 02 Jan 2024 14:17:33 +0100
debian/changelog
View file @ 0c77366f
tzdata (2023d-1) unstable; urgency=medium
* New upstream version (LP: #2047314):
- Ittoqqortoormiit, Greenland changes time zones on 2024-03-31.
- Vostok, Antarctica changed time zones on 2023-12-18.
- Casey, Antarctica changed time zones five times since 2020.
- Code and data fixes for Palestine timestamps starting in 2072.
- A new data file zonenow.tab for timestamps starting now.
* Install zonenow.tab in tzdata
* Add autopkgtest test case for 2023d release
* Document tzdata-legacy split in NEWS.Debian (Closes: #1051973, #1056908)
-- Benjamin Drung <bdrung@debian.org> Tue, 02 Jan 2024 14:19:32 +0100
tzdata (2023c-11) unstable; urgency=medium
* Update Swedish debconf translation.
......
debian/patches/01-no-leap-second-on-2023-12-31.patch deleted 100644 → 0
View file @ 54a1bfe3
From c3e966c59b02b1f47f0b7b0e4aa6a86563c07062 Mon Sep 17 00:00:00 2001
From: Tim Parenti <tim@timtimeonline.com>
Date: Mon, 14 Aug 2023 15:29:57 -0400
Subject: [PATCH] No leap second on 2023-12-31
Per IERS Bulletin C 66 (2023-07-04).
https://hpiers.obspm.fr/iers/bul/bulc/bulletinc.66
* leap-seconds.list: Update file from NIST, retrieved from
ftp://ftp.boulder.nist.gov/pub/time/leap-seconds.list
---
leap-seconds.list | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/leap-seconds.list b/leap-seconds.list
index 17e3a100..3fe9a121 100644
--- a/leap-seconds.list
+++ b/leap-seconds.list
@@ -204,10 +204,10 @@
# current -- the update time stamp, the data and the name of the file
# will not change.
#
-# Updated through IERS Bulletin C65
-# File expires on: 28 December 2023
+# Updated through IERS Bulletin C66
+# File expires on: 28 June 2024
#
-#@ 3912710400
+#@ 3928521600
#
2272060800 10 # 1 Jan 1972
2287785600 11 # 1 Jul 1972
@@ -252,4 +252,4 @@
# the hash line is also ignored in the
# computation.
#
-#h e76a99dc 65f15cc7 e613e040 f5078b5e b23834fe
+#h 16edd0f0 3666784f 37db6bdd e74ced87 59af48f1
--
2.42.0
debian/patches/series deleted 100644 → 0
View file @ 54a1bfe3
01-no-leap-second-on-2023-12-31.patch
debian/tests/python
View file @ 0c77366f
......@@ -156,6 +156,12 @@ class TestZoneinfo(unittest.TestCase):
date = datetime.datetime(2023, 4, 2, tzinfo=tzinfo)
self.assertEqual(self._hours(date.utcoffset()), 3)
def test_2023d(self) -> None:
"""Test 2023d release: Vostok being on +05 from 2023-12-18 on."""
tzinfo = zoneinfo.ZoneInfo("Antarctica/Vostok")
date = datetime.datetime(2023, 12, 19, tzinfo=tzinfo)
self.assertEqual(self._hours(date.utcoffset()), 5)
def main() -> None:
"""Run unit tests in verbose mode."""
......
debian/tzdata.install
View file @ 0c77366f
......@@ -458,3 +458,4 @@ usr/share/zoneinfo/WET
usr/share/zoneinfo/posixrules
zone.tab usr/share/zoneinfo/
zone1970.tab usr/share/zoneinfo/
zonenow.tab usr/share/zoneinfo/
europe
View file @ 0c77366f
......@@ -1123,6 +1123,23 @@ Zone Atlantic/Faroe -0:27:04 - LMT 1908 Jan 11 # Tórshavn
# 2. The shift *from* DST in 2023 happens as normal, but coincides with the
# shift to UTC-02 normaltime (people will not change their clocks here).
# 3. After this, DST is still observed, but as -02/-01 instead of -03/-02.
#
# From Múte Bourup Egede via Jógvan Svabo Samuelsen (2023-03-15):
# Greenland will not switch to Daylight Saving Time this year, 2023,
# because the standard time for Greenland will change from UTC -3 to UTC -2.
# However, Greenland will change to Daylight Saving Time again in 2024
# and onwards.
# From a contributor who wishes to remain anonymous for now (2023-10-29):
# https://www.dr.dk/nyheder/seneste/i-nat-skal-uret-stilles-en-time-tilbage-men-foerste-gang-sker-det-ikke-i-groenland
# with a link to that page:
# https://naalakkersuisut.gl/Nyheder/2023/10/2710_sommertid
# ... Ittoqqortoormiit joins the time of Nuuk at March 2024.
# What would mean that America/Scoresbysund would either be in -01 year round
# or in -02/-01 like America/Nuuk, but no longer in -01/+00.
#
# From Paul Eggert (2023-10-29):
# For now, assume it will be like America/Nuuk.
# Rule NAME FROM TO - IN ON AT SAVE LETTER/S
Rule Thule 1991 1992 - Mar lastSun 2:00 1:00 D
......@@ -1143,10 +1160,12 @@ Zone America/Danmarkshavn -1:14:40 - LMT 1916 Jul 28
Zone America/Scoresbysund -1:27:52 - LMT 1916 Jul 28 # Ittoqqortoormiit
-2:00 - -02 1980 Apr 6 2:00
-2:00 C-Eur -02/-01 1981 Mar 29
-1:00 EU -01/+00
-1:00 EU -01/+00 2024 Mar 31
-2:00 EU -02/-01
Zone America/Nuuk -3:26:56 - LMT 1916 Jul 28 # Godthåb
-3:00 - -03 1980 Apr 6 2:00
-3:00 EU -03/-02 2023 Oct 29 1:00u
-3:00 EU -03/-02 2023 Mar 26 1:00u
-2:00 - -02 2023 Oct 29 1:00u
-2:00 EU -02/-01
Zone America/Thule -4:35:08 - LMT 1916 Jul 28 # Pituffik
-4:00 Thule A%sT
......@@ -3711,11 +3730,7 @@ Zone Europe/Istanbul 1:55:52 - LMT 1880
# and not at 3:00 as would have been under EU rules.
# This is why I have set the change to EU rules into May 1996,
# so that the change in March is stil covered by the Ukraine rule.
# The next change in October 1996 happened under EU rules....
# TZ database holds three other zones for Ukraine.... I have not yet
# worked out the consequences for these three zones, as we (me and my
# US colleague David Cochrane) are still trying to get more
# information upon these local deviations from Kiev rules.
# The next change in October 1996 happened under EU rules.
#
# From Paul Eggert (2022-08-27):
# For now, assume that Ukraine's zones all followed the same rules,
......
iso3166.tab
View file @ 0c77366f
......@@ -3,17 +3,22 @@
# This file is in the public domain, so clarified as of
# 2009-05-17 by Arthur David Olson.
#
# From Paul Eggert (2022-11-18):
# From Paul Eggert (2023-09-06):
# This file contains a table of two-letter country codes. Columns are
# separated by a single tab. Lines beginning with '#' are comments.
# All text uses UTF-8 encoding. The columns of the table are as follows:
#
# 1. ISO 3166-1 alpha-2 country code, current as of
# ISO 3166-1 N1087 (2022-09-02). See: Updates on ISO 3166-1
# https://isotc.iso.org/livelink/livelink/Open/16944257
# 2. The usual English name for the coded region,
# chosen so that alphabetic sorting of subsets produces helpful lists.
# This is not the same as the English name in the ISO 3166 tables.
# ISO/TC 46 N1108 (2023-04-05). See: ISO/TC 46 Documents
# https://www.iso.org/committee/48750.html?view=documents
# 2. The usual English name for the coded region. This sometimes
# departs from ISO-listed names, sometimes so that sorted subsets
# of names are useful (e.g., "Samoa (American)" and "Samoa
# (western)" rather than "American Samoa" and "Samoa"),
# sometimes to avoid confusion among non-experts (e.g.,
# "Czech Republic" and "Turkey" rather than "Czechia" and "Türkiye"),
# and sometimes to omit needless detail or churn (e.g., "Netherlands"
# rather than "Netherlands (the)" or "Netherlands (Kingdom of the)").
#
# The table is sorted by country code.
#
......
leap-seconds.list
View file @ 0c77366f
......@@ -204,10 +204,10 @@
# current -- the update time stamp, the data and the name of the file
# will not change.
#
# Updated through IERS Bulletin C65
# File expires on: 28 December 2023
# Updated through IERS Bulletin C66
# File expires on: 28 June 2024
#
#@ 3912710400
#@ 3928521600
#
2272060800 10 # 1 Jan 1972
2287785600 11 # 1 Jul 1972
......@@ -252,4 +252,4 @@
# the hash line is also ignored in the
# computation.
#
#h e76a99dc 65f15cc7 e613e040 f5078b5e b23834fe
#h 16edd0f0 3666784f 37db6bdd e74ced87 59af48f1