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contrib/tzdata: import tzdata 2021d

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Merge commit 'c28d35783173c0b09ca1f7e29d2565b1602f733d'

Changes: https://github.com/eggert/tz/blob/2021d/NEWS

MFC after:	3 days
This commit is contained in:
Philip Paeps 2021-10-18 14:19:42 +08:00
commit 6b7d3b4de8
5 changed files with 52 additions and 16 deletions
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23
contrib/tzdata/NEWS
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@ -1,5 +1,24 @@
News for the tz database
Release 2021d - 2021-10-15 13:48:18 -0700
Briefly:
Fiji suspends DST for the 2021/2022 season.
'zic -r' marks unspecified timestamps with "-00".
Changes to future timestamps
Fiji will suspend observance of DST for the 2021/2022 season.
Assume for now that it will return next year. (Thanks to Jashneel
Kumar and P Chan.)
Changes to code
'zic -r' now uses "-00" time zone abbreviations for intervals
with UT offsets that are unspecified due to -r truncation.
This implements a change in draft Internet RFC 8536bis.
Release 2021c - 2021-10-01 14:21:49 -0700
Briefly:
@ -546,13 +565,13 @@ Release 2019c - 2019-09-11 08:59:48 -0700
probably wrong.)
Fix several errors in pre-1970 transitions in Perry County, IN.
(Thanks to Alois Triendl for pointing out the 1967/9 errors.)
(Thanks to Alois Treindl for pointing out the 1967/9 errors.)
Edmonton did not observe DST in 1967 or 1969. In 1946 Vancouver
ended DST on 09-29 not 10-13, and Vienna ended DST on 10-07 not
10-06. In 1945 Königsberg (now Kaliningrad) switched from +01/+02
to +02/+03 on 04-10 not 01-01, and its +02/+03 is abbreviated
EET/EEST, not CET/CEST. (Thanks to Alois Triendl.) In 1946
EET/EEST, not CET/CEST. (Thanks to Alois Treindl.) In 1946
Königsberg switched to +03 on 04-07 not 01-01.
In 1946 Louisville switched from CST to CDT on 04-28 at 00:01, not

24
contrib/tzdata/australasia
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@ -385,9 +385,22 @@ Zone Indian/Cocos 6:27:40 - LMT 1900
# "Minister for Employment, Parveen Bala says they had never thought of
# stopping daylight saving. He says it was just to decide on when it should
# start and end. Bala says it is a short period..."
# Since the end date is still in line with our ongoing predictions, assume for
# now that the later-than-usual start date is a one-time departure from the
# recent second Sunday in November pattern.
#
# From Tim Parenti (2021-10-11), per Jashneel Kumar (2021-10-11) and P Chan
# (2021-10-12):
# https://www.fiji.gov.fj/Media-Centre/Speeches/English/PM-BAINIMARAMA-S-COVID-19-ANNOUNCEMENT-10-10-21
# https://www.fbcnews.com.fj/news/covid-19/curfew-moved-back-to-11pm/
# In a 2021-10-10 speech concerning updated Covid-19 mitigation measures in
# Fiji, prime minister Josaia Voreqe "Frank" Bainimarama announced the
# suspension of DST for the 2021/2022 season: "Given that we are in the process
# of readjusting in the midst of so many changes, we will also put Daylight
# Savings Time on hold for this year. It will also make the reopening of
# scheduled commercial air service much smoother if we don't have to be
# concerned shifting arrival and departure times, which may look like a simple
# thing but requires some significant logistical adjustments domestically and
# internationally."
# Assume for now that DST will resume with the recent pre-2020 rules for the
# 2022/2023 season.
# Rule NAME FROM TO - IN ON AT SAVE LETTER/S
Rule Fiji 1998 1999 - Nov Sun>=1 2:00 1:00 -
@ -399,10 +412,11 @@ Rule Fiji 2011 only - Mar Sun>=1 3:00 0 -
Rule Fiji 2012 2013 - Jan Sun>=18 3:00 0 -
Rule Fiji 2014 only - Jan Sun>=18 2:00 0 -
Rule Fiji 2014 2018 - Nov Sun>=1 2:00 1:00 -
Rule Fiji 2015 max - Jan Sun>=12 3:00 0 -
Rule Fiji 2015 2021 - Jan Sun>=12 3:00 0 -
Rule Fiji 2019 only - Nov Sun>=8 2:00 1:00 -
Rule Fiji 2020 only - Dec 20 2:00 1:00 -
Rule Fiji 2021 max - Nov Sun>=8 2:00 1:00 -
Rule Fiji 2022 max - Nov Sun>=8 2:00 1:00 -
Rule Fiji 2023 max - Jan Sun>=12 3:00 0 -
# Zone NAME STDOFF RULES FORMAT [UNTIL]
Zone Pacific/Fiji 11:55:44 - LMT 1915 Oct 26 # Suva
12:00 Fiji +12/+13

13
contrib/tzdata/europe
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@ -821,7 +821,7 @@ Zone Europe/Andorra 0:06:04 - LMT 1901
# Shanks & Pottenger give 02:00, the BEV 00:00. Go with the BEV,
# and guess 02:00 for 1945-04-12.
# From Alois Triendl (2019-07-22):
# From Alois Treindl (2019-07-22):
# In 1946 the end of DST was on Monday, 7 October 1946, at 3:00 am.
# Shanks had this right. Source: Die Weltpresse, 5. Oktober 1946, page 5.
@ -1735,19 +1735,22 @@ Zone Atlantic/Reykjavik -1:28 - LMT 1908
# advanced to sixty minutes later starting at hour two on 1944-04-02; ...
# Starting at hour three on the date 1944-09-17 standard time will be resumed.
#
# From Alois Triendl (2019-07-02):
# From Alois Treindl (2019-07-02):
# I spent 6 Euros to buy two archive copies of Il Messaggero, a Roman paper,
# for 1 and 2 April 1944. The edition of 2 April has this note: "Tonight at 2
# am, put forward the clock by one hour. Remember that in the night between
# today and Monday the 'ora legale' will come in force again." That makes it
# clear that in Rome the change was on Monday, 3 April 1944 at 2 am.
#
# From Paul Eggert (2016-10-27):
# From Paul Eggert (2021-10-05):
# Go with INRiM for DST rules, except as corrected by Inglis for 1944
# for the Kingdom of Italy. This is consistent with Renzo Baldini.
# Model Rome's occupation by using C-Eur rules from 1943-09-10
# to 1944-06-04; although Rome was an open city during this period, it
# was effectively controlled by Germany.
# was effectively controlled by Germany. Using C-Eur is consistent
# with Treindl's comment about Rome in April 1944, as the "Rule Italy"
# lines during German occupation do not affect Europe/Rome
# (though they do affect Europe/Malta).
#
# Rule NAME FROM TO - IN ON AT SAVE LETTER/S
Rule Italy 1916 only - Jun 3 24:00 1:00 S
@ -2623,7 +2626,7 @@ Zone Europe/Bucharest 1:44:24 - LMT 1891 Oct
# Although Shanks lists 1945-01-01 as the date for transition from
# +01/+02 to +02/+03, more likely this is a placeholder. Guess that
# the transition occurred at 1945-04-10 00:00, which is about when
# Königsberg surrendered to Soviet troops. (Thanks to Alois Triendl.)
# Königsberg surrendered to Soviet troops. (Thanks to Alois Treindl.)
# From Paul Eggert (2016-03-18):
# The 1989 transition is from USSR act No. 227 (1989-03-14).

6
contrib/tzdata/northamerica
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@ -976,7 +976,7 @@ Zone America/Indiana/Vincennes -5:50:07 - LMT 1883 Nov 18 12:09:53
-5:00 US E%sT
#
# Perry County, Indiana, switched from eastern to central time in April 2006.
# From Alois Triendl (2019-07-09):
# From Alois Treindl (2019-07-09):
# The Indianapolis News, Friday 27 October 1967 states that Perry County
# returned to CST. It went again to EST on 27 April 1969, as documented by the
# Indianapolis star of Saturday 26 April.
@ -1936,7 +1936,7 @@ Zone America/Swift_Current -7:11:20 - LMT 1905 Sep
# Alberta
# From Alois Triendl (2019-07-19):
# From Alois Treindl (2019-07-19):
# There was no DST in Alberta in 1967... Calgary Herald, 29 April 1967.
# 1969, no DST, from Edmonton Journal 18 April 1969
#
@ -1991,7 +1991,7 @@ Zone America/Edmonton -7:33:52 - LMT 1906 Sep
#
# From Paul Eggert (2019-07-25):
# Shanks says Fort Nelson did not observe DST in 1946, unlike Vancouver.
# Alois Triendl confirmed this on 07-22, citing the 1946-04-27 Vancouver Daily
# Alois Treindl confirmed this on 07-22, citing the 1946-04-27 Vancouver Daily
# Province. He also cited the 1946-09-28 Victoria Daily Times, which said
# that Vancouver, Victoria, etc. "change at midnight Saturday"; for now,
# guess they meant 02:00 Sunday since 02:00 was common practice in Vancouver.

2
contrib/tzdata/version
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@ -1 +1 @@
2021c
2021d