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doc/website/static/security/patches/EN-21:01/tzdata-2021a.patch
Gordon Tetlow 9030a72250 Add EN-21:01 to EN-21:05, SA-21:01, and SA-21:02. 
Approved by:	so
2021-01-28 18:17:45 -08:00

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--- contrib/tzdata/Makefile.orig
+++ contrib/tzdata/Makefile
@@ -583,11 +583,19 @@
cp date '$(DESTDIR)$(BINDIR)/.'
cp -f date.1 '$(DESTDIR)$(MANDIR)/man1/.'
+# Calculate version number from git, if available.
+# Otherwise, use $(VERSION) unless it is "unknown" and there is already
+# a 'version' file, in which case reuse the existing 'version' contents
+# and append "-dirty" if the contents do not already end in "-dirty".
version: $(VERSION_DEPS)
{ (type git) >/dev/null 2>&1 && \
V=`git describe --match '[0-9][0-9][0-9][0-9][a-z]*' \
--abbrev=7 --dirty` || \
- V='$(VERSION)'; } && \
+ if test '$(VERSION)' = unknown && V=`cat $@`; then \
+ case $$V in *-dirty);; *) V=$$V-dirty;; esac; \
+ else \
+ V='$(VERSION)'; \
+ fi; } && \
printf '%s\n' "$$V" >$@.out
mv $@.out $@
@@ -872,11 +880,34 @@
LC_ALL=C sh workman.sh `expr $@ : '\(.*\)\.txt$$'` >$@.out
mv $@.out $@
+# Set file timestamps deterministically if possible,
+# so that tarballs containing the timestamps are reproducible.
+#
+# '$(SET_TIMESTAMP_N) N DEST A B C ...' sets the timestamp of the
+# file DEST to the maximum of the timestamps of the files A B C ...,
+# plus N if GNU ls and touch are available.
+SET_TIMESTAMP_N = sh -c '\
+ n=$$0 dest=$$1; shift; \
+ touch -cmr `ls -t "$$@" | sed 1q` "$$dest" && \
+ if test $$n != 0 && \
+ lsout=`ls -n --time-style="+%s" "$$dest" 2>/dev/null`; then \
+ set x $$lsout && \
+ touch -cmd @`expr $$7 + $$n` "$$dest"; \
+ else :; fi'
+# If DEST depends on A B C ... in this Makefile, callers should use
+# $(SET_TIMESTAMP_DEP) DEST A B C ..., for the benefit of any
+# downstream 'make' that considers equal timestamps to be out of date.
+# POSIX allows this 'make' behavior, and HP-UX 'make' does it.
+# If all that matters is that the timestamp be reproducible
+# and plausible, use $(SET_TIMESTAMP).
+SET_TIMESTAMP = $(SET_TIMESTAMP_N) 0
+SET_TIMESTAMP_DEP = $(SET_TIMESTAMP_N) 1
+
# Set the timestamps to those of the git repository, if available,
# and if the files have not changed since then.
-# This uses GNU 'touch' syntax 'touch -d@N FILE',
-# where N is the number of seconds since 1970.
-# If git or GNU 'touch' is absent, don't bother to sync with git timestamps.
+# This uses GNU 'ls --time-style=+%s', which outputs the seconds count,
+# and GNU 'touch -d@N FILE', where N is the number of seconds since 1970.
+# If git or GNU is absent, don't bother to sync with git timestamps.
# Also, set the timestamp of each prebuilt file like 'leapseconds'
# to be the maximum of the files it depends on.
set-timestamps.out: $(EIGHT_YARDS)
@@ -894,16 +925,16 @@
fi || exit; \
done; \
fi
- touch -cmr `ls -t $(LEAP_DEPS) | sed 1q` leapseconds
+ $(SET_TIMESTAMP_DEP) leapseconds $(LEAP_DEPS)
for file in `ls $(MANTXTS) | sed 's/\.txt$$//'`; do \
- touch -cmr `ls -t $$file workman.sh | sed 1q` $$file.txt || \
+ $(SET_TIMESTAMP_DEP) $$file.txt $$file workman.sh || \
exit; \
done
- touch -cmr `ls -t $(TZDATA_ZI_DEPS) | sed 1q` tzdata.zi
- touch -cmr `ls -t $(VERSION_DEPS) | sed 1q` version
+ $(SET_TIMESTAMP_DEP) version $(VERSION_DEPS)
+ $(SET_TIMESTAMP_DEP) tzdata.zi $(TZDATA_ZI_DEPS)
touch $@
set-tzs-timestamp.out: $(TZS)
- touch -cmr `ls -t $(TZS_DEPS) | sed 1q` $(TZS)
+ $(SET_TIMESTAMP_DEP) $(TZS) $(TZS_DEPS)
touch $@
# The zics below ensure that each data file can stand on its own.
@@ -914,7 +945,10 @@
mkdir public.dir
ln $(VERSION_DEPS) public.dir
cd public.dir && $(MAKE) CFLAGS='$(GCC_DEBUG_FLAGS)' ALL
- for i in $(TDATA_TO_CHECK) public.dir/tzdata.zi; do \
+ for i in $(TDATA_TO_CHECK) public.dir/tzdata.zi \
+ public.dir/vanguard.zi public.dir/main.zi \
+ public.dir/rearguard.zi; \
+ do \
public.dir/zic -v -d public.dir/zoneinfo $$i 2>&1 || exit; \
done
public.dir/zic -v -d public.dir/zoneinfo-all $(TDATA_TO_CHECK)
@@ -981,7 +1015,7 @@
signatures rearguard_signatures traditional_signatures: \
version set-timestamps.out rearguard.zi
VERSION=`cat version` && \
- $(MAKE) VERSION="$$VERSION" $@_version
+ $(MAKE) AWK='$(AWK)' VERSION="$$VERSION" $@_version
# These *_version rules are intended for use if VERSION is set by some
# other means. Ordinarily these rules are used only by the above
@@ -1018,7 +1052,7 @@
for f in $(TDATA) $(PACKRATDATA); do \
rearf=tzdata$(VERSION)-rearguard.dir/$$f; \
$(AWK) -v DATAFORM=rearguard -f ziguard.awk $$f >$$rearf && \
- touch -cmr `ls -t ziguard.awk $$f` $$rearf || exit; \
+ $(SET_TIMESTAMP_DEP) $$rearf ziguard.awk $$f || exit; \
done
sed '1s/$$/-rearguard/' \
<version >tzdata$(VERSION)-rearguard.dir/version
@@ -1037,7 +1071,7 @@
rm -fr tzdb-$(VERSION)
mkdir tzdb-$(VERSION)
ln $(ENCHILADA) tzdb-$(VERSION)
- touch -cmr `ls -t tzdb-$(VERSION)/* | sed 1q` tzdb-$(VERSION)
+ $(SET_TIMESTAMP) tzdb-$(VERSION) tzdb-$(VERSION)/*
LC_ALL=C && export LC_ALL && \
tar $(TARFLAGS) -cf - tzdb-$(VERSION) | lzip -9 >$@.out
mv $@.out $@
@@ -1079,8 +1113,6 @@
zdump.o: version.h
zic.o: private.h tzfile.h version.h
-.KEEP_STATE:
-
.PHONY: ALL INSTALL all
.PHONY: check check_time_t_alternatives
.PHONY: check_web check_zishrink
--- contrib/tzdata/NEWS.orig
+++ contrib/tzdata/NEWS
@@ -1,5 +1,67 @@
News for the tz database
+Release 2021a - 2021-01-24 10:54:57 -0800
+
+ Changes to future timestamps
+
+ South Sudan changes from +03 to +02 on 2021-02-01 at 00:00.
+ (Thanks to Steffen Thorsen.)
+
+
+Release 2020f - 2020-12-29 00:17:46 -0800
+
+ Change to build procedure
+
+ 'make rearguard_tarballs' no longer generates a bad rearguard.zi,
+ fixing a 2020e bug. (Problem reported by Deborah Goldsmith.)
+
+
+Release 2020e - 2020-12-22 15:14:34 -0800
+
+ Briefly:
+ Volgograd switches to Moscow time on 2020-12-27 at 02:00.
+
+ Changes to future timestamps
+
+ Volgograd changes time zone from +04 to +03 on 2020-12-27 at 02:00.
+ (Thanks to Alexander Krivenyshev and Stepan Golosunov.)
+
+ Changes to past timestamps
+
+ Correct many pre-1986 transitions, fixing entries originally
+ derived from Shanks. The fixes include:
+ - Australia: several 1917 through 1971 transitions
+ - Bahamas: several 1941 through 1945 transitions
+ - Bermuda: several 1917 through 1956 transitions
+ - Belize: several 1942 through 1968 transitions
+ - Ghana: several 1915 through 1956 transitions
+ - Israel and Palestine: several 1940 through 1985 transitions
+ - Kenya and adjacent: several 1908 through 1960 transitions
+ - Nigeria and adjacent: correcting LMT in Lagos, and several 1905
+ through 1919 transitions
+ - Seychelles: the introduction of standard time in 1907, not 1906
+ - Vanuatu: DST in 1973-1974, and a corrected 1984 transition
+ (Thanks to P Chan.)
+
+ Because of the Australia change, Australia/Currie (King Island) is
+ no longer needed, as it is identical to Australia/Hobart for all
+ timestamps since 1970 and was therefore created by mistake.
+ Australia/Currie has been moved to the 'backward' file and its
+ corrected data moved to the 'backzone' file.
+
+ Changes to past time zone abbreviations and DST flags
+
+ To better match legislation in Turks and Caicos, the 2015 shift to
+ year-round observance of -04 is now modeled as AST throughout before
+ returning to Eastern Time with US DST in 2018, rather than as
+ maintaining EDT until 2015-11-01. (Thanks to P Chan.)
+
+ Changes to documentation
+
+ The zic man page now documents zic's coalescing of transitions
+ when a zone falls back just before DST springs forward.
+
+
Release 2020d - 2020-10-21 11:24:13 -0700
Briefly:
--- contrib/tzdata/africa.orig
+++ contrib/tzdata/africa
@@ -386,36 +386,87 @@
# Ghana
-# From Paul Eggert (2018-01-30):
-# Whitman says DST was observed from 1931 to "the present";
-# Shanks & Pottenger say 1936 to 1942 with 20 minutes of DST,
-# with transitions on 09-01 and 12-31 at 00:00.
-# Page 33 of Parish GCB, Colonial Reports - Annual. No. 1066. Gold
-# Coast. Report for 1919. (March 1921), OCLC 784024077
-# http://libsysdigi.library.illinois.edu/ilharvest/africana/books2011-05/5530214/5530214_1919/5530214_1919_opt.pdf
-# lists the Determination of the Time Ordinance, 1919, No. 18,
-# "to advance the time observed locally by the space of twenty minutes
-# during the last four months of each year; the object in view being
-# to extend during those months the period of daylight-time available
-# for evening recreation after office hours."
-# Vanessa Ogle, The Global Transformation of Time, 1870-1950 (2015), p 33,
-# writes "In 1919, the Gold Coast (Ghana as of 1957) made Greenwich
-# time its legal time and simultaneously legalized a summer time of
-# UTC - 00:20 minutes from March to October."; a footnote lists
-# the ordinance as being dated 1919-11-24.
-# The Crown Colonist, Volume 12 (1942), p 176, says "the Government
-# intend advancing Gold Coast time half an hour ahead of G.M.T.
-# The actual date of the alteration has not yet been announced."
-# These sources are incomplete and contradictory. Possibly what is
-# now Ghana observed different DST regimes in different years. For
-# lack of better info, use Shanks except treat the minus sign as a
-# typo, and assume DST started in 1920 not 1936.
+# From P Chan (2020-11-20):
+# Interpretation Amendment Ordinance, 1915 (No.24 of 1915) [1915-11-02]
+# Ordinances of the Gold Coast, Ashanti, Northern Territories 1915, p 69-71
+# https://books.google.com/books?id=ErA-AQAAIAAJ&pg=PA70
+# This Ordinance added "'Time' shall mean Greenwich Mean Time" to the
+# Interpretation Ordinance, 1876.
+#
+# Determination of the Time Ordinance, 1919 (No. 18 of 1919) [1919-11-24]
+# Ordinances of the Gold Coast, Ashanti, Northern Territories 1919, p 75-76
+# https://books.google.com/books?id=MbA-AQAAIAAJ&pg=PA75
+# This Ordinance removed the previous definition of time and introduced DST.
+#
+# Time Determination Ordinance (Cap. 214)
+# The Laws of the Gold Coast (including Togoland Under British Mandate)
+# Vol. II (1937), p 2328
+# https://books.google.com/books?id=Z7M-AQAAIAAJ&pg=PA2328
+# Revised edition of the 1919 Ordinance.
+#
+# Time Determination (Amendment) Ordinance, 1940 (No. 9 of 1940) [1940-04-06]
+# Annual Volume of the Laws of the Gold Coast:
+# Containing All Legislation Enacted During Year 1940, p 22
+# https://books.google.com/books?id=1ao-AQAAIAAJ&pg=PA22
+# This Ordinance changed the forward transition from September to May.
+#
+# Defence (Time Determination Ordinance Amendment) Regulations, 1942
+# (Regulations No. 6 of 1942) [1942-01-31, commenced on 1942-02-08]
+# Annual Volume of the Laws of the Gold Coast:
+# Containing All Legislation Enacted During Year 1942, p 48
+# https://books.google.com/books?id=Das-AQAAIAAJ&pg=PA48
+# These regulations advanced the [standard] time by thirty minutes.
+#
+# Defence (Time Determination Ordinance Amendment (No.2)) Regulations,
+# 1942 (Regulations No. 28 of 1942) [1942-04-25]
+# Annual Volume of the Laws of the Gold Coast:
+# Containing All Legislation Enacted During Year 1942, p 87
+# https://books.google.com/books?id=Das-AQAAIAAJ&pg=PA87
+# These regulations abolished DST and changed the time to GMT+0:30.
+#
+# Defence (Revocation) (No.4) Regulations, 1945 (Regulations No. 45 of
+# 1945) [1945-10-24, commenced on 1946-01-06]
+# Annual Volume of the Laws of the Gold Coast:
+# Containing All Legislation Enacted During Year 1945, p 256
+# https://books.google.com/books?id=9as-AQAAIAAJ&pg=PA256
+# These regulations revoked the previous two sets of Regulations.
+#
+# Time Determination (Amendment) Ordinance, 1945 (No. 18 of 1945) [1946-01-06]
+# Annual Volume of the Laws of the Gold Coast:
+# Containing All Legislation Enacted During Year 1945, p 69
+# https://books.google.com/books?id=9as-AQAAIAAJ&pg=PA69
+# This Ordinance abolished DST.
+#
+# Time Determination (Amendment) Ordinance, 1950 (No. 26 of 1950) [1950-07-22]
+# Annual Volume of the Laws of the Gold Coast:
+# Containing All Legislation Enacted During Year 1950, p 35
+# https://books.google.com/books?id=e60-AQAAIAAJ&pg=PA35
+# This Ordinance restored DST but with thirty minutes offset.
+#
+# Time Determination Ordinance (Cap. 264)
+# The Laws of the Gold Coast, Vol. V (1954), p 380
+# https://books.google.com/books?id=Mqc-AQAAIAAJ&pg=PA380
+# Revised edition of the Time Determination Ordinance.
+#
+# Time Determination (Amendment) Ordinance, 1956 (No. 21 of 1956) [1956-08-29]
+# Annual Volume of the Ordinances of the Gold Coast Enacted During the
+# Year 1956, p 83
+# https://books.google.com/books?id=VLE-AQAAIAAJ&pg=PA83
+# This Ordinance abolished DST.
+
# Rule NAME FROM TO - IN ON AT SAVE LETTER/S
-Rule Ghana 1920 1942 - Sep 1 0:00 0:20 -
-Rule Ghana 1920 1942 - Dec 31 0:00 0 -
+Rule Ghana 1919 only - Nov 24 0:00 0:20 +0020
+Rule Ghana 1920 1942 - Jan 1 2:00 0 GMT
+Rule Ghana 1920 1939 - Sep 1 2:00 0:20 +0020
+Rule Ghana 1940 1941 - May 1 2:00 0:20 +0020
+Rule Ghana 1950 1955 - Sep 1 2:00 0:30 +0030
+Rule Ghana 1951 1956 - Jan 1 2:00 0 GMT
+
# Zone NAME STDOFF RULES FORMAT [UNTIL]
-Zone Africa/Accra -0:00:52 - LMT 1918
- 0:00 Ghana GMT/+0020
+Zone Africa/Accra -0:00:52 - LMT 1915 Nov 2
+ 0:00 Ghana %s 1942 Feb 8
+ 0:30 - +0030 1946 Jan 6
+ 0:00 Ghana %s
# Guinea
# See Africa/Abidjan.
@@ -433,11 +484,54 @@
0:00 - GMT
# Kenya
+
+# From P Chan (2020-10-24):
+#
+# The standard time of GMT+2:30 was adopted in the East Africa Protectorate....
+# [The Official Gazette, 1908-05-01, p 274]
+# https://books.google.com/books?id=e-cAC-sjPSEC&pg=PA274
+#
+# At midnight on 30 June 1928 the clocks throughout Kenya was put forward
+# half an hour by the Alteration of Time Ordinance, 1928.
+# https://gazettes.africa/archive/ke/1928/ke-government-gazette-dated-1928-05-11-no-28.pdf
+# [Ordinance No. 11 of 1928, The Offical Gazette, 1928-06-26, p 813]
+# https://books.google.com/books?id=2S0S6os32ZUC&pg=PA813
+#
+# The 1928 ordinance was repealed by the Alteration of Time (repeal) Ordinance,
+# 1929 and the time was restored to GMT+2:30 at midnight on 4 January 1930.
+# [Ordinance No. 97 of 1929, The Official Gazette, 1929-12-31, p 2701]
+# https://books.google.com/books?id=_g18jIZQlwwC&pg=PA2701
+#
+# The Alteration of Time Ordinance, 1936 changed the time to GMT+2:45
+# and repealed the previous ordinance at midnight on 31 December 1936.
+# [The Official Gazette, 1936-07-21, p 705]
+# https://books.google.com/books?id=K7j41z0aC5wC&pg=PA705
+#
+# The Defence (Amendment of Laws No. 120) Regulations changed the time
+# to GMT+3 at midnight on 31 July 1942.
+# [Kenya Official Gazette Supplement No. 32, 1942-07-21, p 331]
+# https://books.google.com/books?hl=zh-TW&id=c_E-AQAAIAAJ&pg=PA331
+# The provision of the 1936 ordinance was not repealed and was later
+# incorporated in the Interpretation and General Clauses Ordinance in 1948.
+# Although it was overridden by the 1942 regulations.
+# [The Laws of Kenya in force on 1948-09-21, Title I, Chapter 1, 31]
+# https://dds.crl.edu/item/217517 (p.101)
+# In 1950 the Interpretation and General Clauses Ordinance was amended to adopt
+# GMT+3 permanently as the 1942 regulations were due to expire on 10 December.
+# https://books.google.com/books?id=jvR8mUDAwR0C&pg=PA787
+# [Ordinance No. 44 of 1950, Kenya Ordinances 1950, Vol. XXIX, p 294]
+# https://books.google.com/books?id=-_dQAQAAMAAJ&pg=PA294
+
+# From Paul Eggert (2020-10-24):
+# The 1908-05-01 announcement does not give an effective date,
+# so just say "1908 May".
+
# Zone NAME STDOFF RULES FORMAT [UNTIL]
-Zone Africa/Nairobi 2:27:16 - LMT 1928 Jul
- 3:00 - EAT 1930
- 2:30 - +0230 1940
- 2:45 - +0245 1960
+Zone Africa/Nairobi 2:27:16 - LMT 1908 May
+ 2:30 - +0230 1928 Jun 30 24:00
+ 3:00 - EAT 1930 Jan 4 24:00
+ 2:30 - +0230 1936 Dec 31 24:00
+ 2:45 - +0245 1942 Jul 31 24:00
3:00 - EAT
Link Africa/Nairobi Africa/Addis_Ababa # Ethiopia
Link Africa/Nairobi Africa/Asmara # Eritrea
@@ -1224,8 +1318,69 @@
# See Africa/Lagos.
# Nigeria
+
+# From P Chan (2020-12-03):
+# GMT was adopted as the standard time of Lagos on 1905-07-01.
+# Lagos Weekly Record, 1905-06-24, p 3
+# http://ddsnext.crl.edu/titles/31558#?c=0&m=668&s=0&cv=2&r=0&xywh=1446%2C5221%2C1931%2C1235
+# says "It is officially notified that on and after the 1st of July 1905
+# Greenwich Mean Solar Time will be adopted thought the Colony and
+# Protectorate, and that it will be necessary to put all clocks 13 minutes and
+# 35 seconds back, recording local mean time."
+#
+# It seemed that Lagos returned to LMT on 1908-07-01.
+# [The Lagos Standard], 1908-07-01, p 5
+# http://ddsnext.crl.edu/titles/31556#?c=0&m=78&s=0&cv=4&r=0&xywh=-92%2C3590%2C3944%2C2523
+# says "Scarcely have the people become accustomed to this new time, when
+# another official notice has now appeared announcing that from and after the
+# 1st July next, return will be made to local mean time."
+#
+# From P Chan (2020-11-27):
+# On 1914-01-01, standard time of GMT+0:30 was adopted for the unified Nigeria.
+# Colonial Reports - Annual. No. 878. Nigeria. Report for 1914. (April 1916),
+# p 27
+# https://libsysdigi.library.illinois.edu/ilharvest/Africana/Books2011-05/3064634/3064634_1914/3064634_1914_opt.pdf#page=27
+# "On January 1st [1914], a universal standard time for Nigeria was adopted,
+# viz., half an hour fast on Greenwich mean time, corresponding to the meridian
+# 7 [degrees] 30' E. long."
+# Lloyd's Register of Shipping (1915) says "Hitherto the time observed in Lagos
+# was the local mean time. On 1st January, 1914, standard time for the whole of
+# Nigeria was introduced ... Lagos time has been advanced about 16 minutes
+# accordingly."
+#
+# In 1919, standard time was changed to GMT+1.
+# Interpretation Ordinance (Cap 2)
+# The Laws of Nigeria, Containing the Ordinances of Nigeria, in Force on the
+# 1st Day of January, 1923, Vol.I [p 16]
+# https://books.google.com/books?id=BOMrAQAAMAAJ&pg=PA16
+# "The expression 'Standard time' means standard time as used in Nigeria:
+# namely, 60 minutes in advance of Greenwich mean time. (As amended by 18 of
+# 1919, s. 2.)"
+# From Tim Parenti (2020-12-10):
+# The Lagos Weekly Record, 1919-09-20, p 3 details discussion on the first
+# reading of this Bill by the Legislative Council of the Colony of Nigeria on
+# Thursday 1919-08-28:
+# http://ddsnext.crl.edu/titles/31558?terms&item_id=303484#?m=1118&c=1&s=0&cv=2&r=0&xywh=1261%2C3408%2C2994%2C1915
+# "The proposal is that the Globe should be divided into twelve zones East and
+# West of Greenwich, of one hour each, Nigeria falling into the zone with a
+# standard of one hour fast on Greenwich Mean Time. Nigeria standard time is
+# now 30 minutes in advance of Greenwich Mean Time ... according to the new
+# proposal, standard time will be advanced another 30 minutes". It was further
+# proposed that the firing of the time guns likewise be adjusted by 30 minutes
+# to compensate.
+# From Tim Parenti (2020-12-10), per P Chan (2020-12-11):
+# The text of Ordinance 18 of 1919, published in Nigeria Gazette, Vol 6, No 52,
+# shows that the change was assented to the following day and took effect "on
+# the 1st day of September, 1919."
+# Nigeria Gazette and Supplements 1919 Jan-Dec, Reference: 73266B-40,
+# img 245-246
+# https://microform.digital/boa/collections/77/volumes/539/nigeria-lagos-1887-1919
+
# Zone NAME STDOFF RULES FORMAT [UNTIL]
-Zone Africa/Lagos 0:13:36 - LMT 1919 Sep
+Zone Africa/Lagos 0:13:35 - LMT 1905 Jul 1
+ 0:00 - GMT 1908 Jul 1
+ 0:13:35 - LMT 1914 Jan 1
+ 0:30 - +0030 1919 Sep 1
1:00 - WAT
Link Africa/Lagos Africa/Bangui # Central African Republic
Link Africa/Lagos Africa/Brazzaville # Rep. of the Congo
@@ -1298,8 +1453,21 @@
# See Africa/Abidjan.
# Seychelles
+
+# From P Chan (2020-11-27):
+# Standard Time was adopted on 1907-01-01.
+#
+# Standard Time Ordinance (Chapter 237)
+# The Laws of Seychelles in Force on the 31st December, 1971, Vol. 6, p 571
+# https://books.google.com/books?id=efE-AQAAIAAJ&pg=PA571
+#
+# From Tim Parenti (2020-12-05):
+# A footnote on https://books.google.com/books?id=DYdDAQAAMAAJ&pg=PA1689
+# confirms that Ordinance No. 9 of 1906 "was brought into force on the 1st
+# January, 1907."
+
# Zone NAME STDOFF RULES FORMAT [UNTIL]
-Zone Indian/Mahe 3:41:48 - LMT 1906 Jun # Victoria
+Zone Indian/Mahe 3:41:48 - LMT 1907 Jan 1 # Victoria
4:00 - +04
# From Paul Eggert (2001-05-30):
# Aldabra, Farquhar, and Desroches, originally dependencies of the
@@ -1359,11 +1527,17 @@
3:00 - EAT 2017 Nov 1
2:00 - CAT
+# From Steffen Thorsen (2021-01-18):
+# "South Sudan will change its time zone by setting the clock back 1
+# hour on February 1, 2021...."
+# from https://eyeradio.org/south-sudan-adopts-new-time-zone-makuei/
+
# South Sudan
# Zone NAME STDOFF RULES FORMAT [UNTIL]
Zone Africa/Juba 2:06:28 - LMT 1931
2:00 Sudan CA%sT 2000 Jan 15 12:00
- 3:00 - EAT
+ 3:00 - EAT 2021 Feb 1 00:00
+ 2:00 - CAT
# Tanzania
# See Africa/Nairobi.
--- contrib/tzdata/asia.orig
+++ contrib/tzdata/asia
@@ -1723,40 +1723,180 @@
# high on my favorite-country list (and not only because my wife's
# family is from India).
-# From Shanks & Pottenger:
+# From P Chan (2020-10-27), with corrections:
+#
+# 1940-1946 Supplement No. 2 to the Palestine Gazette
+# # issue page Order No. dated start end note
+# 1 1010 729 67 of 1940 1940-05-22 1940-05-31* 1940-09-30* revoked by #2
+# 2 1013 758 73 of 1940 1940-05-31 1940-05-31 1940-09-30
+# 3 1055 1574 196 of 1940 1940-11-06 1940-11-16 1940-12-31
+# 4 1066 1811 208 of 1940 1940-12-17 1940-12-31 1941-12-31
+# 5 1156 1967 116 of 1941 1941-12-16 1941-12-31 1942-12-31* amended by #6
+# 6 1228 1608 86 of 1942 1942-10-14 1941-12-31 1942-10-31
+# 7 1256 279 21 of 1943 1943-03-18 1943-03-31 1943-10-31
+# 8 1323 249 19 of 1944 1944-03-13 1944-03-31 1944-10-31
+# 9 1402 328 20 of 1945 1945-04-05 1945-04-15 1945-10-31
+#10 1487 596 14 of 1946 1946-04-04 1946-04-15 1946-10-31
+#
+# 1948 Iton Rishmi (Official Gazette of the Provisional Government)
+# # issue page dated start end
+#11 2 7 1948-05-20 1948-05-22 1948-10-31*
+# ^This moved timezone to +04, replaced by #12 from 1948-08-31 24:00 GMT.
+#12 17 (Annex B) 84 1948-08-22 1948-08-31 1948-10-31
+#
+# 1949-2000 Kovetz HaTakanot (Collection of Regulations)
+# # issue page dated start end note
+#13 6 133 1949-03-23 1949-04-30 1949-10-31
+#14 80 755 1950-03-17 1950-04-15 1950-09-14
+#15 164 782 1951-03-22 1951-03-31 1951-09-29* amended by #16
+#16 206 1940 1951-09-23 ---------- 1951-10-22* amended by #17
+#17 212 78 1951-10-19 ---------- 1951-11-10
+#18 254 652 1952-03-03 1952-04-19 1952-09-27* amended by #19
+#19 300 11 1952-09-15 ---------- 1952-10-18
+#20 348 817 1953-03-03 1953-04-11 1953-09-12
+#21 420 385 1954-02-17 1954-06-12 1954-09-11
+#22 497 548 1955-01-14 1955-06-11 1955-09-10
+#23 591 608 1956-03-12 1956-06-02 1956-09-29
+#24 680 957 1957-02-08 1957-04-27 1957-09-21
+#25 3192 1418 1974-06-28 1974-07-06 1974-10-12
+#26 3322 1389 1975-04-03 1975-04-19 1975-08-30
+#27 4146 2089 1980-07-15 1980-08-02 1980-09-13
+#28 4604 1081 1984-02-22 1984-05-05* 1984-08-25* revoked by #29
+#29 4619 1312 1984-04-06 1984-05-05 1984-08-25
+#30 4744 475 1984-12-23 1985-04-13 1985-09-14* amended by #31
+#31 4851 1848 1985-08-18 ---------- 1985-08-31
+#32 4932 899 1986-04-22 1986-05-17 1986-09-06
+#33 5013 580 1987-02-15 1987-04-18* 1987-08-22* revoked by #34
+#34 5021 744 1987-03-30 1987-04-14 1987-09-12
+#35 5096 659 1988-02-14 1988-04-09 1988-09-03
+#36 5167 514 1989-02-03 1989-04-29 1989-09-02
+#37 5248 375 1990-01-23 1990-03-24 1990-08-25
+#38 5335 612 1991-02-10 1991-03-09* 1991-08-31 amended by #39
+# 1992-03-28 1992-09-05
+#39 5339 709 1991-03-04 1991-03-23 ----------
+#40 5506 503 1993-02-18 1993-04-02 1993-09-05
+# 1994-04-01 1994-08-28
+# 1995-03-31 1995-09-03
+#41 5731 438 1996-01-01 1996-03-14 1996-09-15
+# 1997-03-13* 1997-09-18* overridden by 1997 Temp Prov
+# 1998-03-19* 1998-09-17* revoked by #42
+#42 5853 1243 1997-09-18 1998-03-19 1998-09-05
+#43 5937 77 1998-10-18 1999-04-02 1999-09-03
+# 2000-04-14* 2000-09-15* revoked by #44
+# 2001-04-13* 2001-09-14* revoked by #44
+#44 6024 39 2000-03-14 2000-04-14 2000-10-22* overridden by 2000 Temp Prov
+# 2001-04-06* 2001-10-10* overridden by 2000 Temp Prov
+# 2002-03-29* 2002-10-29* overridden by 2000 Temp Prov
+#
+# These are laws enacted by the Knesset since the Minister could only alter the
+# transition dates at least six months in advanced under the 1992 Law.
+# dated start end
+# 1997 Temporary Provisions 1997-03-06 1997-03-20 1997-09-13
+# 2000 Temporary Provisions 2000-07-28 ---------- 2000-10-06
+# 2001-04-09 2001-09-24
+# 2002-03-29 2002-10-07
+# 2003-03-28 2003-10-03
+# 2004-04-07 2004-09-22
+# Note:
+# Transition times in 1940-1957 (#1-#24) were midnight GMT,
+# in 1974-1998 (#25-#42 and the 1997 Temporary Provisions) were midnight,
+# in 1999-April 2000 (#43,#44) were 02:00,
+# in the 2000 Temporary Provisions were 01:00.
+#
+# -----------------------------------------------------------------------------
+# Links:
+# 1 https://findit.library.yale.edu/images_layout/view?parentoid=15537490&increment=687
+# 2 https://findit.library.yale.edu/images_layout/view?parentoid=15537490&increment=716
+# 3 https://findit.library.yale.edu/images_layout/view?parentoid=15537491&increment=721
+# 4 https://findit.library.yale.edu/images_layout/view?parentoid=15537491&increment=958
+# 5 https://findit.library.yale.edu/images_layout/view?parentoid=15537502&increment=558
+# 6 https://findit.library.yale.edu/images_layout/view?parentoid=15537511&increment=105
+# 7 https://findit.library.yale.edu/images_layout/view?parentoid=15537516&increment=278
+# 8 https://findit.library.yale.edu/images_layout/view?parentoid=15537522&increment=248
+# 9 https://findit.library.yale.edu/images_layout/view?parentoid=15537530&increment=329
+#10 https://findit.library.yale.edu/images_layout/view?parentoid=15537537&increment=601
+#11 https://www.nevo.co.il/law_word/law12/er-002.pdf#page=3
+#12 https://www.nevo.co.il/law_word/law12/er-017-t2.pdf#page=4
+#13 https://www.nevo.co.il/law_word/law06/tak-0006.pdf#page=3
+#14 https://www.nevo.co.il/law_word/law06/tak-0080.pdf#page=7
+#15 https://www.nevo.co.il/law_word/law06/tak-0164.pdf#page=10
+#16 https://www.nevo.co.il/law_word/law06/tak-0206.pdf#page=4
+#17 https://www.nevo.co.il/law_word/law06/tak-0212.pdf#page=2
+#18 https://www.nevo.co.il/law_word/law06/tak-0254.pdf#page=4
+#19 https://www.nevo.co.il/law_word/law06/tak-0300.pdf#page=5
+#20 https://www.nevo.co.il/law_word/law06/tak-0348.pdf#page=3
+#21 https://www.nevo.co.il/law_word/law06/tak-0420.pdf#page=5
+#22 https://www.nevo.co.il/law_word/law06/tak-0497.pdf#page=10
+#23 https://www.nevo.co.il/law_word/law06/tak-0591.pdf#page=6
+#24 https://www.nevo.co.il/law_word/law06/tak-0680.pdf#page=3
+#25 https://www.nevo.co.il/law_word/law06/tak-3192.pdf#page=2
+#26 https://www.nevo.co.il/law_word/law06/tak-3322.pdf#page=5
+#27 https://www.nevo.co.il/law_word/law06/tak-4146.pdf#page=2
+#28 https://www.nevo.co.il/law_word/law06/tak-4604.pdf#page=7
+#29 https://www.nevo.co.il/law_word/law06/tak-4619.pdf#page=2
+#30 https://www.nevo.co.il/law_word/law06/tak-4744.pdf#page=11
+#31 https://www.nevo.co.il/law_word/law06/tak-4851.pdf#page=2
+#32 https://www.nevo.co.il/law_word/law06/tak-4932.pdf#page=19
+#33 https://www.nevo.co.il/law_word/law06/tak-5013.pdf#page=8
+#34 https://www.nevo.co.il/law_word/law06/tak-5021.pdf#page=8
+#35 https://www.nevo.co.il/law_word/law06/tak-5096.pdf#page=3
+#36 https://www.nevo.co.il/law_word/law06/tak-5167.pdf#page=2
+#37 https://www.nevo.co.il/law_word/law06/tak-5248.pdf#page=7
+#38 https://www.nevo.co.il/law_word/law06/tak-5335.pdf#page=6
+#39 https://www.nevo.co.il/law_word/law06/tak-5339.pdf#page=7
+#40 https://www.nevo.co.il/law_word/law06/tak-5506.pdf#page=19
+#41 https://www.nevo.co.il/law_word/law06/tak-5731.pdf#page=2
+#42 https://www.nevo.co.il/law_word/law06/tak-5853.pdf#page=3
+#43 https://www.nevo.co.il/law_word/law06/tak-5937.pdf#page=9
+#44 https://www.nevo.co.il/law_word/law06/tak-6024.pdf#page=4
+#
+# Time Determination (Temporary Provisions) Law, 1997
+# https://www.nevo.co.il/law_html/law19/p201_003.htm
+#
+# Time Determination (Temporary Provisions) Law, 2000
+# https://www.nevo.co.il/law_html/law19/p201_004.htm
+#
+# Time Determination Law, 1992 and amendments
+# https://www.nevo.co.il/law_html/law01/p201_002.htm
+# https://main.knesset.gov.il/Activity/Legislation/Laws/Pages/LawPrimary.aspx?lawitemid=2001174
+
+# From Paul Eggert (2020-10-27):
+# Several of the midnight transitions mentioned above are ambiguous;
+# are they 00:00, 00:00s, 24:00, or 24:00s? When resolving these ambiguities,
+# try to minimize changes from previous tzdb versions, for lack of better info.
+# Commentary from previous versions is included below, to help explain this.
+
# Rule NAME FROM TO - 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 1940 only - May 31 24:00u 1:00 D
+Rule Zion 1940 only - Sep 30 24:00u 0 S
+Rule Zion 1940 only - Nov 16 24:00u 1:00 D
+Rule Zion 1942 1946 - Oct 31 24:00u 0 S
+Rule Zion 1943 1944 - Mar 31 24:00u 1:00 D
+Rule Zion 1945 1946 - Apr 15 24:00u 1:00 D
+Rule Zion 1948 only - May 22 24:00u 2:00 DD
+Rule Zion 1948 only - Aug 31 24:00u 1:00 D
+Rule Zion 1948 1949 - Oct 31 24:00u 0 S
+Rule Zion 1949 only - Apr 30 24:00u 1:00 D
+Rule Zion 1950 only - Apr 15 24:00u 1:00 D
+Rule Zion 1950 only - Sep 14 24:00u 0 S
+Rule Zion 1951 only - Mar 31 24:00u 1:00 D
+Rule Zion 1951 only - Nov 10 24:00u 0 S
+Rule Zion 1952 only - Apr 19 24:00u 1:00 D
+Rule Zion 1952 only - Oct 18 24:00u 0 S
+Rule Zion 1953 only - Apr 11 24:00u 1:00 D
+Rule Zion 1953 only - Sep 12 24:00u 0 S
+Rule Zion 1954 only - Jun 12 24:00u 1:00 D
+Rule Zion 1954 only - Sep 11 24:00u 0 S
+Rule Zion 1955 only - Jun 11 24:00u 1:00 D
+Rule Zion 1955 only - Sep 10 24:00u 0 S
+Rule Zion 1956 only - Jun 2 24:00u 1:00 D
+Rule Zion 1956 only - Sep 29 24:00u 0 S
+Rule Zion 1957 only - Apr 27 24:00u 1:00 D
+Rule Zion 1957 only - Sep 21 24:00u 0 S
+Rule Zion 1974 only - Jul 6 24:00 1:00 D
+Rule Zion 1974 only - Oct 12 24:00 0 S
+Rule Zion 1975 only - Apr 19 24:00 1:00 D
+Rule Zion 1975 only - Aug 30 24:00 0 S
# From Alois Treindl (2019-03-06):
# http://www.moin.gov.il/Documents/שעון%20קיץ/clock-50-years-7-2014.pdf
@@ -1769,25 +1909,24 @@
# From Paul Eggert (2019-03-06):
# Also see this thread about the moin.gov.il URL:
# https://mm.icann.org/pipermail/tz/2018-November/027194.html
-Rule Zion 1980 only - Aug 2 0:00 1:00 D
-Rule Zion 1980 only - Sep 13 1:00 0 S
-Rule Zion 1984 only - May 5 0:00 1:00 D
-Rule Zion 1984 only - Aug 25 1:00 0 S
-
-# From Shanks & Pottenger:
-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 1980 only - Aug 2 24:00s 1:00 D
+Rule Zion 1980 only - Sep 13 24:00s 0 S
+Rule Zion 1984 only - May 5 24:00s 1:00 D
+Rule Zion 1984 only - Aug 25 24:00s 0 S
+
+Rule Zion 1985 only - Apr 13 24:00 1:00 D
+Rule Zion 1985 only - Aug 31 24:00 0 S
+Rule Zion 1986 only - May 17 24:00 1:00 D
+Rule Zion 1986 only - Sep 6 24:00 0 S
+Rule Zion 1987 only - Apr 14 24:00 1:00 D
+Rule Zion 1987 only - Sep 12 24:00 0 S
# From Avigdor Finkelstein (2014-03-05):
# I check the Parliament (Knesset) records and there it's stated that the
# [1988] transition should take place on Saturday night, when the Sabbath
# ends and changes to Sunday.
-Rule Zion 1988 only - Apr 10 0:00 1:00 D
-Rule Zion 1988 only - Sep 4 0:00 0 S
+Rule Zion 1988 only - Apr 9 24:00 1:00 D
+Rule Zion 1988 only - Sep 3 24:00 0 S
# From Ephraim Silverberg
# (1997-03-04, 1998-03-16, 1998-12-28, 2000-01-17, 2000-07-25, 2004-12-22,
@@ -1817,14 +1956,14 @@
# (the eve of the 7th of Tishrei in the lunar Hebrew calendar).
# Rule NAME FROM TO - 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 1989 only - Apr 29 24:00 1:00 D
+Rule Zion 1989 only - Sep 2 24:00 0 S
+Rule Zion 1990 only - Mar 24 24:00 1:00 D
+Rule Zion 1990 only - Aug 25 24:00 0 S
+Rule Zion 1991 only - Mar 23 24:00 1:00 D
+Rule Zion 1991 only - Aug 31 24:00 0 S
+Rule Zion 1992 only - Mar 28 24:00 1:00 D
+Rule Zion 1992 only - Sep 5 24:00 0 S
Rule Zion 1993 only - Apr 2 0:00 1:00 D
Rule Zion 1993 only - Sep 5 0:00 0 S
@@ -1853,10 +1992,10 @@
# where YYYY is the relevant year.
# Rule NAME FROM TO - 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 1996 only - Mar 14 24:00 1:00 D
+Rule Zion 1996 only - Sep 15 24:00 0 S
+Rule Zion 1997 only - Mar 20 24:00 1:00 D
+Rule Zion 1997 only - Sep 13 24:00 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
@@ -1908,14 +2047,15 @@
Rule Zion 2011 only - Oct 2 2:00 0 S
Rule Zion 2012 only - Sep 23 2:00 0 S
-# From Ephraim Silverberg (2013-06-27):
-# On June 23, 2013, the Israeli government approved changes to the
-# Time Decree Law. The next day, the changes passed the First Reading
-# in the Knesset. The law is expected to pass the Second and Third
-# (final) Readings by the beginning of September 2013.
-#
-# As of 2013, DST starts at 02:00 on the Friday before the last Sunday
-# in March. DST ends at 02:00 on the last Sunday of October.
+# From Ephraim Silverberg (2020-10-26):
+# The current time law (2013) from the State of Israel can be viewed
+# (in Hebrew) at:
+# ftp://ftp.cs.huji.ac.il/pub/tz/israel/announcements/2013+law.pdf
+# It translates to:
+# Every year, in the period from the Friday before the last Sunday in
+# the month of March at 02:00 a.m. until the last Sunday of the month
+# of October at 02:00 a.m., Israel Time will be advanced an additional
+# hour such that it will be UTC+3.
# Rule NAME FROM TO - IN ON AT SAVE LETTER/S
Rule Zion 2013 max - Mar Fri>=23 2:00 1:00 D
--- contrib/tzdata/australasia.orig
+++ contrib/tzdata/australasia
@@ -14,16 +14,13 @@
# Please see the notes below for the controversy about "EST" versus "AEST" etc.
# Rule NAME FROM TO - IN ON AT SAVE LETTER/S
-Rule Aus 1917 only - Jan 1 0:01 1:00 D
-Rule Aus 1917 only - Mar 25 2:00 0 S
-Rule Aus 1942 only - Jan 1 2:00 1:00 D
-Rule Aus 1942 only - Mar 29 2:00 0 S
-Rule Aus 1942 only - Sep 27 2:00 1:00 D
-Rule Aus 1943 1944 - Mar lastSun 2:00 0 S
-Rule Aus 1943 only - Oct 3 2:00 1:00 D
-# 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.
+Rule Aus 1917 only - Jan 1 2:00s 1:00 D
+Rule Aus 1917 only - Mar lastSun 2:00s 0 S
+Rule Aus 1942 only - Jan 1 2:00s 1:00 D
+Rule Aus 1942 only - Mar lastSun 2:00s 0 S
+Rule Aus 1942 only - Sep 27 2:00s 1:00 D
+Rule Aus 1943 1944 - Mar lastSun 2:00s 0 S
+Rule Aus 1943 only - Oct 3 2:00s 1:00 D
# Zone NAME STDOFF RULES FORMAT [UNTIL]
# Northern Territory
@@ -115,8 +112,12 @@
# says King Island didn't observe DST from WWII until late 1971.
#
# Rule NAME FROM TO - IN ON AT SAVE LETTER/S
+Rule AT 1916 only - Oct Sun>=1 2:00s 1:00 D
+Rule AT 1917 only - Mar lastSun 2:00s 0 S
+Rule AT 1917 1918 - Oct Sun>=22 2:00s 1:00 D
+Rule AT 1918 1919 - Mar Sun>=1 2:00s 0 S
Rule AT 1967 only - Oct Sun>=1 2:00s 1:00 D
-Rule AT 1968 only - Mar lastSun 2:00s 0 S
+Rule AT 1968 only - Mar Sun>=29 2:00s 0 S
Rule AT 1968 1985 - Oct lastSun 2:00s 1:00 D
Rule AT 1969 1971 - Mar Sun>=8 2:00s 0 S
Rule AT 1972 only - Feb lastSun 2:00s 0 S
@@ -136,15 +137,9 @@
Rule AT 2008 max - Apr Sun>=1 2:00s 0 S
# Zone NAME STDOFF RULES FORMAT [UNTIL]
Zone Australia/Hobart 9:49:16 - LMT 1895 Sep
- 10:00 - AEST 1916 Oct 1 2:00
- 10:00 1:00 AEDT 1917 Feb
+ 10:00 AT AE%sT 1919 Oct 24
10:00 Aus AE%sT 1967
10:00 AT AE%sT
-Zone Australia/Currie 9:35:28 - LMT 1895 Sep
- 10:00 - AEST 1916 Oct 1 2:00
- 10:00 1:00 AEDT 1917 Feb
- 10:00 Aus AE%sT 1971 Jul
- 10:00 AT AE%sT
# Victoria
# Rule NAME FROM TO - IN ON AT SAVE LETTER/S
@@ -873,13 +868,36 @@
# Vanuatu
+
+# From P Chan (2020-11-27):
+# Joint Daylight Saving Regulation No 59 of 1973
+# New Hebrides Condominium Gazette No 336. December 1973
+# http://www.paclii.org/vu/other/VUNHGovGaz//1973/11.pdf#page=15
+#
+# Joint Daylight Saving (Repeal) Regulation No 10 of 1974
+# New Hebrides Condominium Gazette No 336. March 1974
+# http://www.paclii.org/vu/other/VUNHGovGaz//1974/3.pdf#page=11
+#
+# Summer Time Act No. 35 of 1982 [commenced 1983-09-01]
+# http://www.paclii.org/vu/other/VUGovGaz/1982/32.pdf#page=48
+#
+# Summer Time Act (Cap 157)
+# Laws of the Republic of Vanuatu Revised Edition 1988
+# http://www.paclii.org/cgi-bin/sinodisp/vu/legis/consol_act1988/sta147/sta147.html
+#
+# Summer Time (Amendment) Act No. 6 of 1991 [commenced 1991-11-11]
+# http://www.paclii.org/vu/legis/num_act/sta1991227/
+#
+# Summer Time (Repeal) Act No. 4 of 1993 [commenced 1993-05-03]
+# http://www.paclii.org/vu/other/VUGovGaz/1993/15.pdf#page=59
+
# Rule NAME FROM TO - IN ON AT SAVE LETTER/S
-Rule Vanuatu 1983 only - Sep 25 0:00 1:00 -
-Rule Vanuatu 1984 1991 - Mar Sun>=23 0:00 0 -
-Rule Vanuatu 1984 only - Oct 23 0:00 1:00 -
-Rule Vanuatu 1985 1991 - Sep Sun>=23 0:00 1:00 -
-Rule Vanuatu 1992 1993 - Jan Sun>=23 0:00 0 -
-Rule Vanuatu 1992 only - Oct Sun>=23 0:00 1:00 -
+Rule Vanuatu 1973 only - Dec 22 12:00u 1:00 -
+Rule Vanuatu 1974 only - Mar 30 12:00u 0 -
+Rule Vanuatu 1983 1991 - Sep Sat>=22 24:00 1:00 -
+Rule Vanuatu 1984 1991 - Mar Sat>=22 24:00 0 -
+Rule Vanuatu 1992 1993 - Jan Sat>=22 24:00 0 -
+Rule Vanuatu 1992 only - Oct Sat>=22 24:00 1:00 -
# Zone NAME STDOFF RULES FORMAT [UNTIL]
Zone Pacific/Efate 11:13:16 - LMT 1912 Jan 13 # Vila
11:00 Vanuatu +11/+12
@@ -958,6 +976,25 @@
# Electronic Journal of Australian and New Zealand History (1997-03-03)
# http://www.jcu.edu.au/aff/history/reviews/davison.htm
+# From P Chan (2020-11-20):
+# Daylight Saving Act 1916 (No. 40 of 1916) [1916-12-21, commenced 1917-01-01]
+# http://classic.austlii.edu.au/au/legis/cth/num_act/dsa1916401916192/
+#
+# Daylight Saving Repeal Act 1917 (No. 35 of 1917) [1917-09-25]
+# http://classic.austlii.edu.au/au/legis/cth/num_act/dsra1917351917243/
+#
+# Statutory Rules 1941, No. 323 [1941-12-24]
+# https://www.legislation.gov.au/Details/C1941L00323
+#
+# Statutory Rules 1942, No. 392 [1942-09-10]
+# https://www.legislation.gov.au/Details/C1942L00392
+#
+# Statutory Rules 1943, No. 241 [1943-09-29]
+# https://www.legislation.gov.au/Details/C1943L00241
+#
+# All transition times should be 02:00 standard time.
+
+
# From Paul Eggert (2005-12-08):
# Implementation Dates of Daylight Saving Time within Australia
# http://www.bom.gov.au/climate/averages/tables/dst_times.shtml
@@ -1350,6 +1387,27 @@
# Tasmania
+# From P Chan (2020-11-20):
+# Tasmania observed DST in 1916-1919.
+#
+# Daylight Saving Act, 1916 (7 Geo V, No 2) [1916-09-22]
+# http://classic.austlii.edu.au/au/legis/tas/num_act/tdsa19167gvn2267/
+#
+# Daylight Saving Amendment Act, 1917 (8 Geo V, No 5) [1917-10-01]
+# http://classic.austlii.edu.au/au/legis/tas/num_act/tdsaa19178gvn5347/
+#
+# Daylight Saving Act Repeal Act, 1919 (10 Geo V, No 9) [1919-10-24]
+# http://classic.austlii.edu.au/au/legis/tas/num_act/tdsara191910gvn9339/
+#
+# King Island is mentioned in the 1967 Act but not the 1968 Act.
+# Therefore it possibly observed DST from 1968/69.
+#
+# Daylight Saving Act 1967 (No. 33 of 1967) [1967-09-22]
+# http://classic.austlii.edu.au/au/legis/tas/num_act/dsa196733o1967211/
+#
+# Daylight Saving Act 1968 (No. 42 of 1968) [1968-10-15]
+# http://classic.austlii.edu.au/au/legis/tas/num_act/dsa196842o1968211/
+
# 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 ]
--- contrib/tzdata/backward.orig
+++ contrib/tzdata/backward
@@ -49,6 +49,7 @@
Link Europe/Oslo Atlantic/Jan_Mayen
Link Australia/Sydney Australia/ACT
Link Australia/Sydney Australia/Canberra
+Link Australia/Hobart Australia/Currie
Link Australia/Lord_Howe Australia/LHI
Link Australia/Sydney Australia/NSW
Link Australia/Darwin Australia/North
--- contrib/tzdata/backzone.orig
+++ contrib/tzdata/backzone
@@ -623,6 +623,12 @@
-0:22:48 - JMT 1951 # Jamestown Mean Time
0:00 - GMT
+# King Island
+Zone Australia/Currie 9:35:28 - LMT 1895 Sep
+ 10:00 AT AE%sT 1919 Oct 24
+ 10:00 Aus AE%sT 1968 Oct 15
+ 10:00 AT AE%sT
+
# Northern Ireland
Zone Europe/Belfast -0:23:40 - LMT 1880 Aug 2
-0:25:21 - DMT 1916 May 21 2:00
--- contrib/tzdata/etcetera.orig
+++ contrib/tzdata/etcetera
@@ -3,12 +3,11 @@
# This file is in the public domain, so clarified as of
# 2009-05-17 by Arthur David Olson.
-# 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 timezone 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.
+# These entries are for uses not otherwise covered by the tz database.
+# Their main practical use is for platforms like Android that lack
+# support for POSIX-style TZ strings. On such platforms these entries
+# can be useful if the timezone database is wrong or if a ship or
+# aircraft at sea is not in a timezone.
# Starting with POSIX 1003.1-2001, the entries below are all
# unnecessary as settings for the TZ environment variable. E.g.,
--- contrib/tzdata/europe.orig
+++ contrib/tzdata/europe
@@ -2892,6 +2892,19 @@
# The law has been published today on
# http://publication.pravo.gov.ru/Document/View/0001201810110037
+# From Alexander Krivenyshev (2020-11-27):
+# The State Duma approved (Nov 24, 2020) the transition of the Volgograd
+# region to the Moscow time zone....
+# https://sozd.duma.gov.ru/bill/1012130-7
+#
+# From Stepan Golosunov (2020-12-05):
+# Currently proposed text for the second reading (expected on December 8) ...
+# changes the date to December 27. https://v1.ru/text/gorod/2020/12/04/69601031/
+#
+# From Stepan Golosunov (2020-12-22):
+# The law was published today on
+# http://publication.pravo.gov.ru/Document/View/0001202012220002
+
Zone Europe/Volgograd 2:57:40 - LMT 1920 Jan 3
3:00 - +03 1930 Jun 21
4:00 - +04 1961 Nov 11
@@ -2901,7 +2914,8 @@
3:00 Russia +03/+04 2011 Mar 27 2:00s
4:00 - +04 2014 Oct 26 2:00s
3:00 - +03 2018 Oct 28 2:00s
- 4:00 - +04
+ 4:00 - +04 2020 Dec 27 2:00s
+ 3:00 - +03
# From Paul Eggert (2016-11-11):
# Europe/Saratov covers:
--- contrib/tzdata/leap-seconds.list.orig
+++ contrib/tzdata/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 C60
-# File expires on: 28 June 2021
+# Updated through IERS Bulletin C61
+# File expires on: 28 December 2021
#
-#@ 3833827200
+#@ 3849638400
#
2272060800 10 # 1 Jan 1972
2287785600 11 # 1 Jul 1972
@@ -252,4 +252,4 @@
# the hash line is also ignored in the
# computation.
#
-#h 064356a8 39268b92 76e4d5ef 3e22fae1 0cca529c
+#h 2ab8253d d4380d28 75f01343 381504f8 8f8a4bfc
--- contrib/tzdata/leapseconds.orig
+++ contrib/tzdata/leapseconds
@@ -6,6 +6,10 @@
# NIST format leap-seconds.list file, which can be copied from
# <ftp://ftp.nist.gov/pub/time/leap-seconds.list>
# or <ftp://ftp.boulder.nist.gov/pub/time/leap-seconds.list>.
+# The NIST file is used instead of its IERS upstream counterpart
+# <https://hpiers.obspm.fr/iers/bul/bulc/ntp/leap-seconds.list>
+# because under US law the NIST file is public domain
+# whereas the IERS file's copyright and license status is unclear.
# For more about leap-seconds.list, please see
# The NTP Timescale and Leap Seconds
# <https://www.eecis.udel.edu/~mills/leap.html>.
@@ -68,11 +72,11 @@
# Any additional leap seconds will come after this.
# This Expires line is commented out for now,
# so that pre-2020a zic implementations do not reject this file.
-#Expires 2021 Jun 28 00:00:00
+#Expires 2021 Dec 28 00:00:00
# POSIX timestamps for the data in this file:
#updated 1467936000 (2016-07-08 00:00:00 UTC)
-#expires 1624838400 (2021-06-28 00:00:00 UTC)
+#expires 1640649600 (2021-12-28 00:00:00 UTC)
-# Updated through IERS Bulletin C60
-# File expires on: 28 June 2021
+# Updated through IERS Bulletin C61
+# File expires on: 28 December 2021
--- contrib/tzdata/leapseconds.awk.orig
+++ contrib/tzdata/leapseconds.awk
@@ -24,6 +24,10 @@
print "# NIST format leap-seconds.list file, which can be copied from"
print "# <ftp://ftp.nist.gov/pub/time/leap-seconds.list>"
print "# or <ftp://ftp.boulder.nist.gov/pub/time/leap-seconds.list>."
+ print "# The NIST file is used instead of its IERS upstream counterpart"
+ print "# <https://hpiers.obspm.fr/iers/bul/bulc/ntp/leap-seconds.list>"
+ print "# because under US law the NIST file is public domain"
+ print "# whereas the IERS file's copyright and license status is unclear."
print "# For more about leap-seconds.list, please see"
print "# The NTP Timescale and Leap Seconds"
print "# <https://www.eecis.udel.edu/~mills/leap.html>."
--- contrib/tzdata/northamerica.orig
+++ contrib/tzdata/northamerica
@@ -2234,7 +2234,7 @@
# to say eight hours behind Greenwich Time.
#
# * O.I.C. 1980/02 INTERPRETATION ACT
-# [no online source found]
+# https://mm.icann.org/pipermail/tz/attachments/20201125/d5adc93b/CAYTOIC1980-02DST1980-01-04-0001.pdf
#
# * Yukon Daylight Saving Time, YOIC 1987/56
# https://www.canlii.org/en/yk/laws/regu/yoic-1987-56/latest/yoic-1987-56.html
@@ -2935,12 +2935,38 @@
#
# For 1899 Milne gives -5:09:29.5; round that.
#
+# From P Chan (2020-11-27, corrected on 2020-12-02):
+# There were two periods of DST observed in 1942-1945: 1942-05-01
+# midnight to 1944-12-31 midnight and 1945-02-01 to 1945-10-17 midnight.
+# "midnight" should mean 24:00 from the context.
+#
+# War Time Order 1942 [1942-05-01] and War Time (No. 2) Order 1942 [1942-09-29]
+# Appendix to the Statutes of 7 George VI. and the Year 1942. p 34, 43
+# https://books.google.com/books?id=5rlNAQAAIAAJ&pg=RA3-PA34
+# https://books.google.com/books?id=5rlNAQAAIAAJ&pg=RA3-PA43
+#
+# War Time Order 1943 [1943-03-31] and War Time Order 1944 [1943-12-29]
+# Appendix to the Statutes of 8 George VI. and the Year 1943. p 9-10, 28-29
+# https://books.google.com/books?id=5rlNAQAAIAAJ&pg=RA4-PA9
+# https://books.google.com/books?id=5rlNAQAAIAAJ&pg=RA4-PA28
+#
+# War Time Order 1945 [1945-01-31] and the Order which revoke War Time Order
+# 1945 [1945-10-16] Appendix to the Statutes of 9 George VI. and the Year
+# 1945. p 160, 247-248
+# https://books.google.com/books?id=5rlNAQAAIAAJ&pg=RA6-PA160
+# https://books.google.com/books?id=5rlNAQAAIAAJ&pg=RA6-PA247
+#
# 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 - IN ON AT SAVE LETTER/S
+Rule Bahamas 1942 only - May 1 24:00 1:00 W
+Rule Bahamas 1944 only - Dec 31 24:00 0 S
+Rule Bahamas 1945 only - Feb 1 0:00 1:00 W
+Rule Bahamas 1945 only - Aug 14 23:00u 1:00 P # Peace
+Rule Bahamas 1945 only - Oct 17 24:00 0 S
Rule Bahamas 1964 1975 - Oct lastSun 2:00 0 S
Rule Bahamas 1964 1975 - Apr lastSun 2:00 1:00 D
# Zone NAME STDOFF RULES FORMAT [UNTIL]
@@ -2964,34 +2990,161 @@
-4:00 Barb A%sT
# Belize
-# Whitman entirely disagrees with Shanks; go with Shanks & Pottenger.
+
+# From P Chan (2020-11-03):
+# Below are some laws related to the time in British Honduras/Belize:
+#
+# Definition of Time Ordinance, 1927 (No.4 of 1927) [1927-04-01]
+# Ordinances of British Honduras Passed in the Year 1927, p 19-20
+# https://books.google.com/books?id=LqEpAQAAMAAJ&pg=RA3-PA19
+#
+# Definition of Time (Amendment) Ordinance, 1942 (No. 5 of 1942) [1942-06-27]
+# Ordinances of British Honduras Passed in the Year 1942, p 31-32
+# https://books.google.com/books?id=h6MpAQAAMAAJ&pg=RA6-PA95-IA44
+#
+# Definition of Time Ordinance, 1945 (No. 19 of 1945) [1945-12-15]
+# Ordinances of British Honduras Passed in the Year 1945, p 49-50
+# https://books.google.com/books?id=xaMpAQAAMAAJ&pg=RA2-PP1
+#
+# Definition of Time Ordinance, 1947 (No. 1 of 1947) [1947-03-11]
+# Ordinances of British Honduras Passed in the Year 1947, p 1-2
+# https://books.google.com/books?id=xaMpAQAAMAAJ&pg=RA3-PA1
+#
+# Time (Definition of) Ordinance (Chapter 180)
+# The Laws of British Honduras in Force on the 15th Day of September, 1958 , Volume IV, p 2580
+# https://books.google.com/books?id=v5QpAQAAMAAJ&pg=PA2580
+#
+# Time (Definition of) (Amendment) Ordinance, 1968 (No. 13 of 1968) [1968-08-03]
+# https://books.google.com/books?id=xij7KEB_58wC&pg=RA1-PA428-IA9
+#
+# Definition of Time Act (Chapter 339)
+# Law of Belize, Revised Edition 2000
+# http://www.belizelaw.org/web/lawadmin/PDF%20files/cap339.pdf
+
+# From Paul Eggert (2020-11-03):
+# The transitions below are derived from P Chan's sources, except that the
+# 1973 through 1983 transitions are from Shanks & Pottenger since we have
+# no better data there.
+
# Rule NAME FROM TO - IN ON AT SAVE LETTER/S
-Rule Belize 1918 1942 - Oct Sun>=2 0:00 0:30 -0530
-Rule Belize 1919 1943 - Feb Sun>=9 0:00 0 CST
+Rule Belize 1918 1941 - Oct Sat>=1 24:00 0:30 -0530
+Rule Belize 1919 1942 - Feb Sat>=8 24:00 0 CST
+Rule Belize 1942 only - Jun 27 24:00 1:00 CWT
+Rule Belize 1945 only - Aug 14 23:00u 1:00 CPT
+Rule Belize 1945 only - Dec 15 24:00 0 CST
+Rule Belize 1947 1967 - Oct Sat>=1 24:00 0:30 -0530
+Rule Belize 1948 1968 - Feb Sat>=8 24:00 0 CST
Rule Belize 1973 only - Dec 5 0:00 1:00 CDT
Rule Belize 1974 only - Feb 9 0:00 0 CST
Rule Belize 1982 only - Dec 18 0:00 1:00 CDT
Rule Belize 1983 only - Feb 12 0:00 0 CST
# Zone NAME STDOFF RULES FORMAT [UNTIL]
-Zone America/Belize -5:52:48 - LMT 1912 Apr
+Zone America/Belize -5:52:48 - LMT 1912 Apr 1
-6:00 Belize %s
# Bermuda
+# From Paul Eggert (2020-11-24):
# For 1899 Milne gives -4:19:18.3 as the meridian of the clock tower,
-# Bermuda dockyard, Ireland I; round that.
+# Bermuda dockyard, Ireland I. This agrees with standard offset given in the
+# Daylight Saving Act, 1917 cited below. Round that to the nearest second.
+# It is not known when this time became standard for Bermuda; guess 1890.
+# The transition to -04 was specified by:
+# 1930: The Time Zone Act, 1929 (1929: No. 39) [1929-11-08]
+# https://books.google.com/books?id=7tdMAQAAIAAJ&pg=RA54-PP1
+
+# From P Chan (2020-11-20):
+# Most of the information can be found online from the Bermuda National
+# Library - Digital Collection which includes The Royal Gazette (RG) until 1957
+# https://bnl.contentdm.oclc.org/digital/
+# I will cite the ID. For example, [10000] means
+# https://bnl.contentdm.oclc.org/digital/collection/BermudaNP02/id/10000
+#
+# 1917: Apr 5 midnight to Sep 30 midnight
+# Daylight Saving Act, 1917 (1917 No. 13) [1917-04-02]
+# Bermuda Acts and Resolves 1917, p 37-38
+# https://books.google.com/books?id=M-lCAQAAMAAJ&pg=PA36-IA2
+# RG, 1917-04-04, p 6 [42340] gives the spring forward date.
+#
+# 1918: Apr 13 midnight to Sep 15 midnight
+# Daylight Saving Act, 1918 (1918 No. 9) [1918-04-06]
+# Bermuda Acts and Resolves 1917, p 13
+# https://books.google.com/books?id=K-lCAQAAMAAJ&pg=RA1-PA7
+#
+# Note that local mean time was still used before 1930.
+#
+# During WWII, DST was introduced by Defence Regulations
+# 1942: Jan 11 02:00 to Oct 18 02:00 [113646], [115726]
+# 1943: Mar 21 02:00 to Oct 31 02:00 [116704], [118193]
+# 1944: Mar 12 02:00 to Nov 5 02:00 [119225], [121593]
+# 1945: Mar 11 02:00 to Nov 4 02:00 [122369], [124461]
+# RG, 1942-01-08, p 2, 1942-10-12, p 2 , 1943-03-06, p 2, 1943-09-03, p 1,
+# 1944-02-29, p 6, 1944-09-20, p 2, 1945-02-13, p 2, 1945-11-03, p 1
+#
+# In 1946, the House of Assembly rejected DST twice. [128686], [128076]
+# RG, 1946-03-16 p 1,1946-04-13 p 1
+#
+# 1947: third Sunday in May 02:00 to second Sunday in September 02:00
+# DST in 1947 was defined in the Daylight Saving Act, 1947 (1947: No. 12)
+# which expired at the end of the year. [125784] ,[132405], [144454], [138226]
+# RG, 1947-02-27, p 1, 1947-05-15, p 1, 1947-09-13, p 1, 1947-12-30, p 1
+#
+# 1948-1952: fourth Sunday in May 02:00 to first Sunday in September 02:00
+# DST in 1948 was defined in the Daylight Saving Act, 1948 (1948 : No. 12)
+# which was set to expired at the end of the year but it was extended until
+# the end of 1952 and was not further extended.
+# [129802], [139403], [146008], [135240], [144330], [139049], [143309],
+# [148271], [149773], [153589], [153802], [155924]
+# RG, 1948-04-13, p 1, 1948-05-22, p 1, 1948-09-04, p 1, 1949-05-21, p1,
+# 1949-09-03, p 1, 1950-05-27 p 1, 1950-09-02, p 1, 1951-05-27, p 1,
+# 1951-09-01, p 1, 1952-05-23, p 1, 1952-09-26, p 1, 1952-12-21, p 8
+#
+# In 1953-1955, the House of Assembly rejected DST each year. [158996],
+# [162620], [166720] RG, 1953-05-02, p 1, 1954-04-01 p 1, 1955-03-12, p 1
+#
+# 1956: fourth Sunday in May 02:00 to last Sunday in October 02:00
+# Time Zone (Seasonal Variation) Act, 1956 (1956: No.44) [1956-05-25]
+# Bermuda Public Acts 1956, p 331-332
+# https://books.google.com/books?id=Xs1AlmD_cEwC&pg=PA63
+#
+# The extension of the Act was rejected by the House of Assembly. [176218]
+# RG, 1956-12-13, p 1
+#
+# From the Chronological Table of Public and Private Acts up to 1985, it seems
+# that there does not exist other Acts related to DST before 1973.
+# https://books.google.com/books?id=r9hMAQAAIAAJ&pg=RA23-PA1
+# Public Acts of the Legislature of the Islands of Bermuda, Together with
+# Statutory Instruments in Force Thereunder, Vol VII
# 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
+# Rule NAME FROM TO - IN ON AT SAVE LETTER/S
+Rule Bermuda 1917 only - Apr 5 24:00 1:00 -
+Rule Bermuda 1917 only - Sep 30 24:00 0 -
+Rule Bermuda 1918 only - Apr 13 24:00 1:00 -
+Rule Bermuda 1918 only - Sep 15 24:00 0 S
+Rule Bermuda 1942 only - Jan 11 2:00 1:00 D
+Rule Bermuda 1942 only - Oct 18 2:00 0 S
+Rule Bermuda 1943 only - Mar 21 2:00 1:00 D
+Rule Bermuda 1943 only - Oct 31 2:00 0 S
+Rule Bermuda 1944 1945 - Mar Sun>=8 2:00 1:00 D
+Rule Bermuda 1944 1945 - Nov Sun>=1 2:00 0 S
+Rule Bermuda 1947 only - May Sun>=15 2:00 1:00 D
+Rule Bermuda 1947 only - Sep Sun>=8 2:00 0 S
+Rule Bermuda 1948 1952 - May Sun>=22 2:00 1:00 D
+Rule Bermuda 1948 1952 - Sep Sun>=1 2:00 0 S
+Rule Bermuda 1956 only - May Sun>=22 2:00 1:00 D
+Rule Bermuda 1956 only - Oct lastSun 2:00 0 S
+
# Zone NAME STDOFF RULES FORMAT [UNTIL]
-Zone Atlantic/Bermuda -4:19:18 - LMT 1930 Jan 1 2:00 # Hamilton
- -4:00 - AST 1974 Apr 28 2:00
+Zone Atlantic/Bermuda -4:19:18 - LMT 1890 # Hamilton
+ -4:19:18 Bermuda BMT/BST 1930 Jan 1 2:00
+ -4:00 Bermuda A%sT 1974 Apr 28 2:00
-4:00 Canada A%sT 1976
-4:00 US A%sT
@@ -3574,7 +3727,7 @@
# "Eastern Standard Times Begins 2007
# Clocks are set back one hour at 2:00 a.m. local Daylight Saving Time"
# indicating that the normal ET rules are followed.
-#
+
# From Paul Eggert (2014-08-19):
# The 2014-08-13 Cabinet meeting decided to stay on UT -04 year-round. See:
# http://tcweeklynews.com/daylight-savings-time-to-be-maintained-p5353-127.htm
@@ -3589,19 +3742,42 @@
# during the summer months and Standard Time, also known as Local
# Time, during the winter months with effect from April 2018 ...
# https://www.gov.uk/government/news/turks-and-caicos-post-cabinet-meeting-statement--3
-#
# From Paul Eggert (2017-08-26):
# The date of effect of the spring 2018 change appears to be March 11,
# which makes more sense. See: Hamilton D. Time change back
# by March 2018 for TCI. Magnetic Media. 2017-08-25.
# http://magneticmediatv.com/2017/08/time-change-back-by-march-2018-for-tci/
#
+# From P Chan (2020-11-27):
+# Standard Time Declaration Order 2015 (L.N. 15/2015)
+# http://online.fliphtml5.com/fizd/czin/#p=2
+#
+# Standard Time Declaration Order 2017 (L.N. 31/2017)
+# http://online.fliphtml5.com/fizd/dmcu/#p=2
+#
+# From Tim Parenti (2020-12-05):
+# Although L.N. 31/2017 reads that it "shall come into operation at 2:00 a.m.
+# on 11th March 2018", a precise interpretation here poses some problems. The
+# order states that "the standard time to be observed throughout the Turks and
+# Caicos Islands shall be the same time zone as the Eastern United States of
+# America" and further clarifies "[f]or the avoidance of doubt" that it
+# "applies to the Eastern Standard Time as well as any changes thereto for
+# Daylight Saving Time." However, as clocks in Turks and Caicos approached
+# 02:00 -04, and thus the declared implementation time, it was still 01:00 EST
+# (-05), as DST in the Eastern US would not start until an hour later.
+#
+# Since it is unlikely that those on the islands switched their clocks twice in
+# the span of an hour, we assume instead that the adoption of EDT actually took
+# effect once clocks in the Eastern US had sprung forward, from 03:00 -04.
+# This discrepancy only affects the time zone abbreviation and DST flag for the
+# intervening hour, not wall clock times, as -04 was maintained throughout.
+
# Zone NAME STDOFF RULES FORMAT [UNTIL]
Zone America/Grand_Turk -4:44:32 - LMT 1890
-5:07:10 - KMT 1912 Feb # Kingston Mean Time
-5:00 - EST 1979
- -5:00 US E%sT 2015 Nov Sun>=1 2:00
- -4:00 - AST 2018 Mar 11 3:00
+ -5:00 US E%sT 2015 Mar 8 2:00
+ -4:00 - AST 2018 Mar 11 3:00
-5:00 US E%sT
# British Virgin Is
--- contrib/tzdata/theory.html.orig
+++ contrib/tzdata/theory.html
@@ -474,8 +474,8 @@
<p>
<small>These abbreviations are:
AMT Amsterdam, Asunción, Athens;
- BMT Baghdad, Bangkok, Batavia, Bern, Bogotá, Bridgetown, Brussels,
- Bucharest;
+ BMT Baghdad, Bangkok, Batavia, Bermuda, Bern, Bogotá, Bridgetown,
+ Brussels, Bucharest;
CMT Calamarca, Caracas, Chisinau, Colón, Copenhagen, Córdoba;
DMT Dublin/Dunsink;
EMT Easter;
@@ -506,6 +506,7 @@
<small>A few abbreviations also follow the pattern that
<abbr>GMT</abbr>/<abbr>BST</abbr> established for time in the UK.
They are:
+ BMT/BST for Bermuda 1890&ndash;1930,
CMT/BST for Calamarca Mean Time and Bolivian Summer Time
1890&ndash;1932,
DMT/IST for Dublin/Dunsink Mean Time and Irish Summer Time
--- contrib/tzdata/version.orig
+++ contrib/tzdata/version
@@ -1 +1 @@
-2020d
+2021a
--- contrib/tzdata/ziguard.awk.orig
+++ contrib/tzdata/ziguard.awk
@@ -37,7 +37,7 @@
# If this line should differ due to Czechoslovakia using negative SAVE values,
# uncomment the desired version and comment out the undesired one.
- if (zone == "Europe/Prague" && /1947 Feb 23/) {
+ if (zone == "Europe/Prague" && /^#?[\t ]+[01]:00[\t ]/ && /1947 Feb 23/) {
if (($(in_comment + 2) != "-") == vanguard) {
uncomment = in_comment
} else {
@@ -65,10 +65,11 @@
# uncomment the desired version and comment out the undesired one.
Rule_Namibia = /^#?Rule[\t ]+Namibia[\t ]/
Zone_using_Namibia_rule \
- = (zone == "Africa/Windhoek" \
+ = (zone == "Africa/Windhoek" && /^#?[\t ]+[12]:00[\t ]/ \
&& ($(in_comment + 2) == "Namibia" \
- || (1994 <= $(in_comment + 4) && $(in_comment + 4) <= 2017) \
- || in_comment + 3 == NF))
+ || ($(in_comment + 2) == "-" && $(in_comment + 3) == "CAT" \
+ && ((1994 <= $(in_comment + 4) && $(in_comment + 4) <= 2017) \
+ || in_comment + 3 == NF))))
if (Rule_Namibia || Zone_using_Namibia_rule) {
if ((Rule_Namibia \
? ($(in_comment + 9) ~ /^-/ \
--- contrib/tzdata/zone.tab.orig
+++ contrib/tzdata/zone.tab
@@ -56,8 +56,7 @@
AT +4813+01620 Europe/Vienna
AU -3133+15905 Australia/Lord_Howe Lord Howe Island
AU -5430+15857 Antarctica/Macquarie Macquarie Island
-AU -4253+14719 Australia/Hobart Tasmania (most areas)
-AU -3956+14352 Australia/Currie Tasmania (King Island)
+AU -4253+14719 Australia/Hobart Tasmania
AU -3749+14458 Australia/Melbourne Victoria
AU -3352+15113 Australia/Sydney New South Wales (most areas)
AU -3157+14127 Australia/Broken_Hill New South Wales (Yancowinna)
@@ -130,9 +129,9 @@
CA +4906-11631 America/Creston MST - BC (Creston)
CA +5946-12014 America/Dawson_Creek MST - BC (Dawson Cr, Ft St John)
CA +5848-12242 America/Fort_Nelson MST - BC (Ft Nelson)
+CA +6043-13503 America/Whitehorse MST - Yukon (east)
+CA +6404-13925 America/Dawson MST - Yukon (west)
CA +4916-12307 America/Vancouver Pacific - BC (most areas)
-CA +6043-13503 America/Whitehorse Pacific - Yukon (east)
-CA +6404-13925 America/Dawson Pacific - Yukon (west)
CC -1210+09655 Indian/Cocos
CD -0418+01518 Africa/Kinshasa Dem. Rep. of Congo (west)
CD -1140+02728 Africa/Lubumbashi Dem. Rep. of Congo (east)
@@ -337,8 +336,8 @@
# Programs should use zone1970.tab instead; see above.
UA +4457+03406 Europe/Simferopol Crimea
RU +5836+04939 Europe/Kirov MSK+00 - Kirov
+RU +4844+04425 Europe/Volgograd MSK+00 - Volgograd
RU +4621+04803 Europe/Astrakhan MSK+01 - Astrakhan
-RU +4844+04425 Europe/Volgograd MSK+01 - Volgograd
RU +5134+04602 Europe/Saratov MSK+01 - Saratov
RU +5420+04824 Europe/Ulyanovsk MSK+01 - Ulyanovsk
RU +5312+05009 Europe/Samara MSK+01 - Samara, Udmurtia
--- contrib/tzdata/zone1970.tab.orig
+++ contrib/tzdata/zone1970.tab
@@ -64,8 +64,7 @@
AT +4813+01620 Europe/Vienna
AU -3133+15905 Australia/Lord_Howe Lord Howe Island
AU -5430+15857 Antarctica/Macquarie Macquarie Island
-AU -4253+14719 Australia/Hobart Tasmania (most areas)
-AU -3956+14352 Australia/Currie Tasmania (King Island)
+AU -4253+14719 Australia/Hobart Tasmania
AU -3749+14458 Australia/Melbourne Victoria
AU -3352+15113 Australia/Sydney New South Wales (most areas)
AU -3157+14127 Australia/Broken_Hill New South Wales (Yancowinna)
@@ -128,9 +127,9 @@
CA +4906-11631 America/Creston MST - BC (Creston)
CA +5946-12014 America/Dawson_Creek MST - BC (Dawson Cr, Ft St John)
CA +5848-12242 America/Fort_Nelson MST - BC (Ft Nelson)
+CA +6043-13503 America/Whitehorse MST - Yukon (east)
+CA +6404-13925 America/Dawson MST - Yukon (west)
CA +4916-12307 America/Vancouver Pacific - BC (most areas)
-CA +6043-13503 America/Whitehorse Pacific - Yukon (east)
-CA +6404-13925 America/Dawson Pacific - Yukon (west)
CC -1210+09655 Indian/Cocos
CH,DE,LI +4723+00832 Europe/Zurich Swiss time
CI,BF,GM,GN,ML,MR,SH,SL,SN,TG +0519-00402 Africa/Abidjan
@@ -293,8 +292,8 @@
# Mention RU and UA alphabetically. See "territorial claims" above.
RU,UA +4457+03406 Europe/Simferopol Crimea
RU +5836+04939 Europe/Kirov MSK+00 - Kirov
+RU +4844+04425 Europe/Volgograd MSK+00 - Volgograd
RU +4621+04803 Europe/Astrakhan MSK+01 - Astrakhan
-RU +4844+04425 Europe/Volgograd MSK+01 - Volgograd
RU +5134+04602 Europe/Saratov MSK+01 - Saratov
RU +5420+04824 Europe/Ulyanovsk MSK+01 - Ulyanovsk
RU +5312+05009 Europe/Samara MSK+01 - Samara, Udmurtia
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