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!38 backport community patches

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From: @SuperSix173
Reviewed-by: @wangbin224
Signed-off-by: @wangbin224
This commit is contained in:
openeuler-ci-bot 2020-11-30 14:47:03 +08:00 committed by Gitee
commit f7b36cc659
12 changed files with 1287 additions and 6 deletions
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40
backport-Document-right-seconds-better.patch Normal file
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@ -0,0 +1,40 @@
From 48e68fbfd181f4c23a52021dc27cc45fea75fa25 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Thu, 12 Nov 2020 12:45:42 -0800
Subject: [PATCH] Document "right" seconds better
* tz-link.html (Precision timekeeping):
Clarify "right" vs "posix" time_t.
---
tz-link.html | 15 +++++++++++++--
1 file changed, 13 insertions(+), 2 deletions(-)
diff --git a/tz-link.html b/tz-link.html
index 10c40b5..eb4a235 100644
--- a/tz-link.html
+++ b/tz-link.html
@@ -1034,8 +1034,19 @@ title="International Earth Rotation and Reference Systems Service">IERS</abbr>
Bulletins</a> contains official publications of the International
Earth Rotation and Reference Systems Service, which decides when leap
seconds occur. The <code><abbr>tz</abbr></code> code and data support leap seconds
-via an optional "<code>right</code>" configuration, as opposed to the
-default "<code>posix</code>" configuration.</li>
+via an optional "<code>right</code>" configuration where a computer's internal
+<code>time_t</code> integer clock counts every <abbr>TAI</abbr> second,
+as opposed to the default "<code>posix</code>" configuration
+where the internal clock ignores leap seconds.
+The two configurations agree for timestamps starting with 1972-01-01 00:00:00
+UTC (<code>time_t</code> 63&thinsp;072&thinsp;000) and diverge for
+timestamps starting with <code>time_t</code> 78&thinsp;796&thinsp;800,
+which corresponds to the first leap second
+1972-06-30 23:59:60 UTC in the "<code>right</code>" configuration, and to
+1972-07-01 00:00:00 UTC in the "<code>posix</code>" configuration.
+In practice the two configurations also agree for timestamps before
+1972 even though the historical situation is messy, partly because
+neither UTC nor TAI is well-defined for sufficiently-old timestamps.</li>
<li><a href="https://developers.google.com/time/smear">Leap Smear</a>
discusses how to gradually adjust <abbr>POSIX</abbr> clocks near a
leap second so that they disagree with <abbr>UTC</abbr> by at most a
--
1.8.3.1

364
backport-Fix-Israel-and-Palestine-transitions-1940-1985.patch Normal file
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@ -0,0 +1,364 @@
From 8b21cc5d241f99bdd1d789c43749e13bbf1bc5e7 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Tue, 27 Oct 2020 11:24:49 -0700
Subject: [PATCH] Fix Israel and Palestine transitions 1940/1985
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Fix several transitions from 1940 through 1985, and supply
legal citations for the fixes. (Thanks to P Chan.)
In some cases we are still guessing what “midnight” means.
* NEWS: Mention this.
* asia (Zion): Fix several transitions.
Also, improve citation to current law
(thanks to Ephraim Silverberg).
---
NEWS | 9 +--
asia | 274 ++++++++++++++++++++++++++++++++++++++++++++++++++-----------------
2 files changed, 211 insertions(+), 72 deletions(-)
diff --git a/NEWS b/NEWS
index 27ad63d..4369cc9 100644
--- a/NEWS
+++ b/NEWS
@@ -4,13 +4,12 @@ Unreleased, experimental changes
Changes to past timestamps
+ Correct several 1940 through 1985 transitions for Israel and Palestine,
+ fixing several entries originally derived from Shanks.
+ (Thanks to P Chan.)
+
Correct several 1908 through 1960 transitions for Kenya and adjacent,
fixing several hazy entries originally derived from Shanks.
- Insert a transition from LMT to +0230 on 1908-05.
- The first transition to +03 was on 1928-06-30, not 1928-07.
- The later transition to +0230 was on 1930-01-04, not the guessed 01-01.
- The transition to +0245 was on 1936-12-31, not 1940.
- And the final transition to +03 was on 1942-07-31, not 1960.
(Thanks to P Chan.)
Release 2020d - 2020-10-21 11:24:13 -0700
diff --git a/asia b/asia
index 3ebfcb4..ed94413 100644
--- a/asia
+++ b/asia
@@ -1723,40 +1723,180 @@ Zone Asia/Baghdad 2:57:40 - LMT 1890
# 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 @@ Rule Zion 1975 only - Aug 31 0:00 0 S
# 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 @@ Rule Zion 1988 only - Sep 4 0:00 0 S
# (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 @@ Rule Zion 1995 only - Sep 3 0:00 0 S
# 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 2010 only - Sep 12 2:00 0 S
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
--
1.8.3.1

31
backport-Fix-mistaken-Belize-interpretation.patch Normal file
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@ -0,0 +1,31 @@
From beba17f43925823308c6f7f0d5ca9b52d00d351f Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Tue, 3 Nov 2020 18:34:20 -0800
Subject: [PATCH] Fix mistaken Belize interpretation
* northamerica (Belize): DST was in effect during most of
World War II (thanks to P Chan).
---
northamerica | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/northamerica b/northamerica
index 00b2e6d..6a66617 100644
--- a/northamerica
+++ b/northamerica
@@ -3002,9 +3002,9 @@ Zone America/Barbados -3:58:29 - LMT 1924 # Bridgetown
# Rule NAME FROM TO - IN ON AT SAVE LETTER/S
Rule Belize 1918 1941 - Oct Sat>=1 24:00 0:30 -0530
-Rule Belize 1919 1945 - Feb Sat>=8 24:00 0 CST
-Rule Belize 1942 1944 - Oct Sat>=1 24:00 1:00 CWT
-Rule Belize 1945 only - Oct Sat>=1 24:00 1:00 CDT
+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
--
1.8.3.1

104
backport-Fix-several-Belize-transitions-1942-1968.patch Normal file
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@ -0,0 +1,104 @@
From d7e93bdbaf71ed96bd77a907ceab9fb75c9e0d64 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Tue, 3 Nov 2020 11:46:47 -0800
Subject: [PATCH] Fix several Belize transitions 1942/1968
* NEWS: Mention this.
* northamerica (Belize): Correct several transitions for 1942
through 1968 (thanks to P Chan).
---
NEWS | 10 +++++-----
northamerica | 48 ++++++++++++++++++++++++++++++++++++++++++++----
2 files changed, 49 insertions(+), 9 deletions(-)
diff --git a/NEWS b/NEWS
index 4369cc9..756bbe0 100644
--- a/NEWS
+++ b/NEWS
@@ -4,13 +4,13 @@ Unreleased, experimental changes
Changes to past timestamps
- Correct several 1940 through 1985 transitions for Israel and Palestine,
- fixing several entries originally derived from Shanks.
+ Correct several pre-1970 transitions, fixing entries originally
+ derived from Shanks. The fixes include:
+ - Several 1942 through 1968 transitions for Belize.
+ - Several 1940 through 1985 transitions for Israel and Palestine.
+ - Several 1908 through 1960 transitions for Kenya and adjacent.
(Thanks to P Chan.)
- Correct several 1908 through 1960 transitions for Kenya and adjacent,
- fixing several hazy entries originally derived from Shanks.
- (Thanks to P Chan.)
Release 2020d - 2020-10-21 11:24:13 -0700
diff --git a/northamerica b/northamerica
index 675c648..00b2e6d 100644
--- a/northamerica
+++ b/northamerica
@@ -2964,16 +2964,56 @@ Zone America/Barbados -3:58:29 - LMT 1924 # Bridgetown
-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 1945 - Feb Sat>=8 24:00 0 CST
+Rule Belize 1942 1944 - Oct Sat>=1 24:00 1:00 CWT
+Rule Belize 1945 only - Oct Sat>=1 24:00 1:00 CDT
+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
--
1.8.3.1

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@ -0,0 +1,176 @@
From 17acee8cbb75aaf7bca5decc4fc6c9ab27533537 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Tue, 24 Nov 2020 22:05:38 -0800
Subject: [PATCH] Fix several pre-1957 transitions for Bermuda
(Thanks to P Chan.)
* NEWS: Mention this.
* northamerica (Bermuda): New ruleset.
(Atlantic/Bermuda): Use it before 1974.
* theory.html (Time zone abbreviations): Mention BMT/BST,
which are my invention.
---
NEWS | 5 ++--
northamerica | 95 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++---
theory.html | 5 ++--
3 files changed, 97 insertions(+), 8 deletions(-)
diff --git a/NEWS b/NEWS
index f7b0461..d9fe116 100644
--- a/NEWS
+++ b/NEWS
@@ -4,9 +4,10 @@ Unreleased, experimental changes
Changes to past timestamps
- Correct several pre-1972 transitions, fixing entries originally
+ Correct many pre-1986 transitions, fixing entries originally
derived from Shanks. The fixes include:
- - Australia: several 1917 through 1971 transitions.
+ - Australia: several 1917 through 1971 transitions
+ - Bermuda: several 1917 through 1956 transitions
- Belize: several 1942 through 1968 transitions
- Israel and Palestine: several 1940 through 1985 transitions
- Kenya and adjacent: several 1908 through 1960 transitions
diff --git a/northamerica b/northamerica
index 6a66617..d5abf21 100644
--- a/northamerica
+++ b/northamerica
@@ -3018,20 +3018,107 @@ Zone America/Belize -5:52:48 - LMT 1912 Apr 1
# 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
diff --git a/theory.html b/theory.html
index 4613799..28f6b8e 100644
--- a/theory.html
+++ b/theory.html
@@ -474,8 +474,8 @@ in decreasing order of importance:
<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 @@ in decreasing order of importance:
<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
--
1.8.3.1

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@ -0,0 +1,147 @@
From 7cc6d7c00e29399e7fd158c49706165dcfe9b664 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Wed, 25 Nov 2020 09:26:40 -0800
Subject: [PATCH] Fix several pre-1957 transitions for Ghana
* NEWS: Mention this.
* africa (Ghana, Africa/Accra): Update to match the legal citations.
---
NEWS | 1 +
africa | 107 ++++++++++++++++++++++++++++++++++++++++++++++++-----------------
2 files changed, 80 insertions(+), 28 deletions(-)
diff --git a/NEWS b/NEWS
index d9fe116..d357abb 100644
--- a/NEWS
+++ b/NEWS
@@ -9,6 +9,7 @@ Unreleased, experimental changes
- Australia: several 1917 through 1971 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
(Thanks to P Chan.)
diff --git a/africa b/africa
index 2313e71..285688d 100644
--- a/africa
+++ b/africa
@@ -386,36 +386,87 @@ Zone Africa/Cairo 2:05:09 - LMT 1900 Oct
# 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 1920 only - Nov 24 0:00 0:20 +0020
+Rule Ghana 1920 1946 - Jan 1 2:00 0 GMT
+Rule Ghana 1921 1939 - Sep 1 2:00 0:20 +0020
+Rule Ghana 1940 1945 - 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 1942 Oct 24
+ 0:00 Ghana %s
# Guinea
# See Africa/Abidjan.
--
1.8.3.1

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@ -0,0 +1,228 @@
From 1aca4cad3692063cd5cb571883ccf6d04b3c2991 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Tue, 24 Nov 2020 15:40:34 -0800
Subject: [PATCH] Fix several pre-1972 transitions for Australia
(Thanks to P Chan.) This entails obsoleting Australia/Currie.
* NEWS: mention this.
* australasia (Aus): Use 2:00s for Australian DST transitions, as
per the legal citations. Prefer lastSun to explicit dates if that
is what the law said.
(AT): Add DST for late 1917 through early 1919. Prefer the
oddball Sun>=29 to match the legal wording better (5th Sunday).
(Australia/Currie): Move from here ...
* backzone (Australia/Currie): ... to here, and correct because
King Island restarted DST in late 1968, not late 1971.
* backward (Australia/Currie): New backward-compatibility link.
* zone.tab, zone1970.tab (Australia/Currie): Remove.
---
NEWS | 15 +++++++++----
australasia | 71 +++++++++++++++++++++++++++++++++++++++++++++---------------
backward | 1 +
backzone | 6 +++++
zone.tab | 3 +--
zone1970.tab | 3 +--
6 files changed, 73 insertions(+), 26 deletions(-)
diff --git a/NEWS b/NEWS
index 756bbe0..f7b0461 100644
--- a/NEWS
+++ b/NEWS
@@ -4,13 +4,20 @@ Unreleased, experimental changes
Changes to past timestamps
- Correct several pre-1970 transitions, fixing entries originally
+ Correct several pre-1972 transitions, fixing entries originally
derived from Shanks. The fixes include:
- - Several 1942 through 1968 transitions for Belize.
- - Several 1940 through 1985 transitions for Israel and Palestine.
- - Several 1908 through 1960 transitions for Kenya and adjacent.
+ - Australia: several 1917 through 1971 transitions.
+ - Belize: several 1942 through 1968 transitions
+ - Israel and Palestine: several 1940 through 1985 transitions
+ - Kenya and adjacent: several 1908 through 1960 transitions
(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.
+
Release 2020d - 2020-10-21 11:24:13 -0700
diff --git a/australasia b/australasia
index aa7ab7f..d6c4e7c 100644
--- a/australasia
+++ b/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 @@ Zone Australia/Adelaide 9:14:20 - LMT 1895 Feb
# 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 2007 only - Mar lastSun 2:00s 0 S
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
@@ -958,6 +953,25 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901
# 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 +1364,27 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901
# 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 ]
diff --git a/backward b/backward
index e13ae52..0c55be2 100644
--- a/backward
+++ b/backward
@@ -49,6 +49,7 @@ Link Atlantic/Faroe Atlantic/Faeroe
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
diff --git a/backzone b/backzone
index 563aff6..3ce7277 100644
--- a/backzone
+++ b/backzone
@@ -623,6 +623,12 @@ Zone Atlantic/St_Helena -0:22:48 - LMT 1890 # Jamestown
-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
diff --git a/zone.tab b/zone.tab
index 6333b99..fe48c13 100644
--- a/zone.tab
+++ b/zone.tab
@@ -56,8 +56,7 @@ AS -1416-17042 Pacific/Pago_Pago
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)
diff --git a/zone1970.tab b/zone1970.tab
index 699dda2..205ed5a 100644
--- a/zone1970.tab
+++ b/zone1970.tab
@@ -63,8 +63,7 @@ AS,UM -1416-17042 Pacific/Pago_Pago Samoa, Midway
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)
--
1.8.3.1

41
backport-Port-make-rearguard_tarballs-to-Solaris-10.patch Normal file
View File

@ -0,0 +1,41 @@
From b231fbdb5c13ab402519c9bc21d19b45708d1bae Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Tue, 27 Oct 2020 13:57:43 -0700
Subject: [PATCH] Port 'make rearguard_tarballs' to Solaris 10
* Makefile (tarballs, etc.): Export AWK to submake, for Solaris 10
which needs something like 'make AWK=nawk rearguard_tarballs'.
(.KEEP_STATE): Remove. .KEEP_STATE is a Solaris 'make' feature
that breaks 'make rearguard_tarballs' because it causes submakes
to mistakenly consider files to be out-of-date. As .KEEP_STATE
is not specified by POSIX and is ignored by GNU 'make' it should
not be needed.
---
Makefile | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/Makefile b/Makefile
index a0b6aeb..5064a19 100644
--- a/Makefile
+++ b/Makefile
@@ -1012,7 +1012,7 @@ tarballs rearguard_tarballs traditional_tarballs \
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
@@ -1110,8 +1110,6 @@ strftime.o: private.h tzfile.h
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
--
1.8.3.1

62
backport-Volgograd-switches-from-04-to-03-on-12-20-02-00.patch Normal file
View File

@ -0,0 +1,62 @@
From 271d9438bc43550672c4020352b0fdcea2822737 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Fri, 27 Nov 2020 16:51:01 -0800
Subject: [PATCH] Volgograd switches from +04 to +03 on 12-20 02:00
(Thanks to Alexander Krivenyshev.)
* NEWS: Mention this.
* europe (Europe/Volgograd): Add the transition.
---
NEWS | 5 +++++
europe | 12 +++++++++++-
2 files changed, 16 insertions(+), 1 deletion(-)
diff --git a/NEWS b/NEWS
index d357abb..0690d87 100644
--- a/NEWS
+++ b/NEWS
@@ -2,6 +2,11 @@ News for the tz database
Unreleased, experimental changes
+ Changes to future timestamps
+
+ Volgograd changes time zone from +04 to +03 on 2020-12-20 at 02:00.
+ (Thanks to Alexander Krivenyshev.)
+
Changes to past timestamps
Correct many pre-1986 transitions, fixing entries originally
diff --git a/europe b/europe
index ea23736..3a8a4e6 100644
--- a/europe
+++ b/europe
@@ -2892,6 +2892,15 @@ Zone Europe/Astrakhan 3:12:12 - LMT 1924 May
# 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.... If approved by the the Federation
+# Council and the President, this Federal Law 1012130-7 will enter into force
+# on December 20, 2020....
+# https://sozd.duma.gov.ru/bill/1012130-7
+# http://docs.cntd.ru/document/566418247
+# https://gorvesti.ru/society/gosduma-progolosovala-za-vozvrat-volgogradskoy-oblasti-k-moskovskomu-vremeni-95877.html
+
Zone Europe/Volgograd 2:57:40 - LMT 1920 Jan 3
3:00 - +03 1930 Jun 21
4:00 - +04 1961 Nov 11
@@ -2901,7 +2910,8 @@ Zone Europe/Volgograd 2:57:40 - LMT 1920 Jan 3
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 20 2:00s
+ 3:00 - +03
# From Paul Eggert (2016-11-11):
# Europe/Saratov covers:
--
1.8.3.1

25
backport-northamerica-Add-URL-for-Yukon-OIC-1980-02.patch Normal file
View File

@ -0,0 +1,25 @@
From a499dd6e0836ba149490ca0491aa5363780cdd18 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Wed, 25 Nov 2020 10:17:16 -0800
Subject: [PATCH] * northamerica: Add URL for Yukon OIC 1980/02
---
northamerica | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/northamerica b/northamerica
index d5abf21..b9a1348 100644
--- a/northamerica
+++ b/northamerica
@@ -2234,7 +2234,7 @@ Zone America/Creston -7:46:04 - LMT 1884
# 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
--
1.8.3.1

49
backport-tz-link.html-Use-abbr-more-systematically.patch Normal file
View File

@ -0,0 +1,49 @@
From a47ef9c7168557c0dfdfd003cf970ccd6f25a57c Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Thu, 12 Nov 2020 14:52:22 -0800
Subject: [PATCH] * tz-link.html: Use <abbr> more systematically.
Document "right" seconds better
* tz-link.html (Precision timekeeping):
Clarify "right" vs "posix" time_t.
---
tz-link.html | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/tz-link.html b/tz-link.html
index eb4a235..56ef9e4 100644
--- a/tz-link.html
+++ b/tz-link.html
@@ -1039,14 +1039,16 @@ via an optional "<code>right</code>" configuration where a computer's internal
as opposed to the default "<code>posix</code>" configuration
where the internal clock ignores leap seconds.
The two configurations agree for timestamps starting with 1972-01-01 00:00:00
-UTC (<code>time_t</code> 63&thinsp;072&thinsp;000) and diverge for
+<abbr>UTC</abbr> (<code>time_t</code> 63&thinsp;072&thinsp;000) and diverge for
timestamps starting with <code>time_t</code> 78&thinsp;796&thinsp;800,
which corresponds to the first leap second
-1972-06-30 23:59:60 UTC in the "<code>right</code>" configuration, and to
-1972-07-01 00:00:00 UTC in the "<code>posix</code>" configuration.
+1972-06-30 23:59:60 <abbr>UTC</abbr> in the "<code>right</code>" configuration,
+and to
+1972-07-01 00:00:00 <abbr>UTC</abbr> in the "<code>posix</code>" configuration.
In practice the two configurations also agree for timestamps before
1972 even though the historical situation is messy, partly because
-neither UTC nor TAI is well-defined for sufficiently-old timestamps.</li>
+neither <abbr>UTC</abbr> nor <abbr>TAI</abbr>
+is well-defined for sufficiently-old timestamps.</li>
<li><a href="https://developers.google.com/time/smear">Leap Smear</a>
discusses how to gradually adjust <abbr>POSIX</abbr> clocks near a
leap second so that they disagree with <abbr>UTC</abbr> by at most a
@@ -1059,7 +1061,7 @@ cloud service providers. However, according to
<a href="https://tools.ietf.org/html/rfc8633#section-3.7.1">&sect;3.7.1 of
Network Time Protocol Best Current Practices</a>
(Internet <abbr>RFC</abbr> 8633), leap smearing is not suitable for
-applications requiring accurate UTC or civil time,
+applications requiring accurate <abbr>UTC</abbr> or civil time,
and is intended for use only in single, well-controlled environments.</li>
<li>The <a
href="https://pairlist6.pair.net/mailman/listinfo/leapsecs">Leap
--
1.8.3.1

26
tzdata.spec
View File

@ -1,6 +1,6 @@
Name: tzdata
Version: 2020d
Release: 3
Release: 4
Summary: Timezone data
License: Public Domain
URL: https://www.iana.org/time-zones
@ -9,15 +9,26 @@ Source1: https://data.iana.org/time-zones/releases/tzcode%{version}.tar.gz
Source2: javazic.tar.gz
Source3: javazic-1.8-37392f2f5d59.tar.xz
Patch6000: backport-etcetera-Update-comment-in-the-light-of-Neil-Fuller-.patch
Patch6001: backport-Port-to-downstream-HP-UX-style-make.patch
Patch6000: backport-Port-to-downstream-HP-UX-style-make.patch
Patch6001: backport-etcetera-Update-comment-in-the-light-of-Neil-Fuller-.patch
Patch6002: backport-Use-better-fallback-for-unknown-VERSION.patch
Patch6003: backport-Fix-Kenya-transitions-1908-1960.patch
Patch6004: backport-Fix-zone-.tab-Yukon-comment-columns.patch
Patch6005: backport-leapseconds-now-says-why-NIST-not-IERS.patch
Patch6004: backport-leapseconds-now-says-why-NIST-not-IERS.patch
Patch6005: backport-Fix-zone-.tab-Yukon-comment-columns.patch
Patch6006: backport-Fix-Israel-and-Palestine-transitions-1940-1985.patch
Patch6007: backport-Port-make-rearguard_tarballs-to-Solaris-10.patch
Patch6008: backport-Fix-several-Belize-transitions-1942-1968.patch
Patch6009: backport-Fix-mistaken-Belize-interpretation.patch
Patch6010: backport-Document-right-seconds-better.patch
Patch6011: backport-tz-link.html-Use-abbr-more-systematically.patch
Patch6012: backport-Fix-several-pre-1972-transitions-for-Australia.patch
Patch6013: backport-Fix-several-pre-1957-transitions-for-Bermuda.patch
Patch6014: backport-Fix-several-pre-1957-transitions-for-Ghana.patch
Patch6015: backport-northamerica-Add-URL-for-Yukon-OIC-1980-02.patch
Patch6016: backport-Volgograd-switches-from-04-to-03-on-12-20-02-00.patch
Patch9000: bugfix-0001-add-Beijing-timezone.patch
Patch9001: remove-country-selection-from-tzselect-steps.patch
Patch9001: remove-country-selection-from-tzselect-steps.patch
Patch9002: remove-ROC-timezone.patch
Patch9003: rename-Macau-to-Macao.patch
Patch9004: remove-El_Aaiun-timezone.patch
@ -110,6 +121,9 @@ install -p -m 644 tzdb.dat $RPM_BUILD_ROOT%{_datadir}/javazi-1.8/
%{_datadir}/javazi-1.8
%changelog
* Mon Nov 30 2020 liuchao<liuchao173@huawei.com> - 2020d-4
- backport community patches
* Tue Oct 27 2020 shenkai<shenkai8@huawei.com> - 2020d-3
- backport community patches