>From f9aacafa4f15be6e7ff4436164e14d8f08839ac7 Mon Sep 17 00:00:00 2001 From: Paul Eggert Date: Tue, 14 Apr 2020 22:20:53 -0700 Subject: [PATCH] Morocco springs forward on 05-31, not 05-24. (Thanks to Semlali Naoufal.) * NEWS: Mention this. * africa (Morocco): Delay the spring-forward date by a ween in 2020, 2028, 2035, etc. --- NEWS | 10 ++++++++-- africa | 50 ++++++++++++++++++++++++++++---------------------- 2 files changed, 36 insertions(+), 24 deletions(-) diff --git a/NEWS b/NEWS index 2bb1050..548f68d 100644 --- a/NEWS +++ b/NEWS @@ -3,14 +3,20 @@ News for the tz database Unreleased, experimental changes Briefly: - Canada's Yukon advances to -07 year-round from 2020-03-08. + Morocco springs forward on 2020-05-31, not 2020-05-24. + Canada's Yukon advanced to -07 year-round on 2020-03-08. America/Nuuk renamed from America/Godthab. zic now supports expiration dates for leap second lists. Changes to future timestamps + Morocco's second spring-forward transition in 2020 will be May 31, + not May 24 as predicted earlier. (Thanks to Semlali Naoufal.) + Adjust future-year predictions to use the first Sunday after the + day after Ramadan, not the first Sunday after Ramadan. + Canada's Yukon, represented by America/Whitehorse and - America/Dawson, advances to -07 year-round, beginning with its + America/Dawson, advanced to -07 year-round, beginning with its spring-forward transition on 2020-03-08, and will not fall back on 2020-11-01. Although a government press release calls this "permanent Pacific Daylight Saving Time", we prefer MST for diff --git a/africa b/africa index f6e7a04..724744f 100644 --- a/africa +++ b/africa @@ -867,19 +867,25 @@ Zone Indian/Mauritius 3:50:00 - LMT 1907 # Port Louis # Morocco will be on GMT starting from Sunday, May 5th 2019 at 3am. # The switch to GMT+1 will occur on Sunday, June 9th 2019 at 2am.... # http://fr.le360.ma/societe/voici-la-date-du-retour-a-lheure-legale-au-maroc-188222 -# -# From Paul Eggert (2019-05-20): -# This agrees with our 2018-11-01 guess that the Moroccan government -# would continue the practice of falling back at 03:00 the last Sunday -# before Ramadan, and of springing forward at 02:00 the first Sunday after -# Ramadan, as this has been the practice since 2012. To implement this, -# transition dates for 2019 through 2087 were determined by running the -# following program under GNU Emacs 26.2. -# (let ((islamic-year 1440)) + +# From Semlali Naoufal (2020-04-14): +# Following the announcement by the Moroccan government, the switch to +# GMT time will take place on Sunday, April 19, 2020 from 3 a.m. and +# the return to GMT+1 time will take place on Sunday, May 31, 2020 at 2 a.m.... +# https://maroc-diplomatique.net/maroc-le-retour-a-lheure-gmt-est-prevu-dimanche-prochain/ +# http://aujourdhui.ma/actualite/gmt1-retour-a-lheure-normale-dimanche-prochain-1 +# +# From Paul Eggert (2020-04-14): +# For now, guess that in the future Morocco will fall back at 03:00 +# the last Sunday before Ramadan, and spring forward at 02:00 the +# first Sunday after the day after Ramadan. To implement this, +# transition dates for 2021 through 2087 were determined by running +# the following program under GNU Emacs 26.3. +# (let ((islamic-year 1442)) # (require 'cal-islam) # (while (< islamic-year 1511) # (let ((a (calendar-islamic-to-absolute (list 9 1 islamic-year))) -# (b (calendar-islamic-to-absolute (list 10 1 islamic-year))) +# (b (1+ (calendar-islamic-to-absolute (list 10 1 islamic-year)))) # (sunday 0)) # (while (/= sunday (mod (setq a (1- a)) 7))) # (while (/= sunday (mod b 7)) @@ -939,7 +945,7 @@ Rule Morocco 2018 only - Jun 17 2:00 1:00 - Rule Morocco 2019 only - May 5 3:00 -1:00 - Rule Morocco 2019 only - Jun 9 2:00 0 - Rule Morocco 2020 only - Apr 19 3:00 -1:00 - -Rule Morocco 2020 only - May 24 2:00 0 - +Rule Morocco 2020 only - May 31 2:00 0 - Rule Morocco 2021 only - Apr 11 3:00 -1:00 - Rule Morocco 2021 only - May 16 2:00 0 - Rule Morocco 2022 only - Mar 27 3:00 -1:00 - @@ -955,7 +961,7 @@ Rule Morocco 2026 only - Mar 22 2:00 0 - Rule Morocco 2027 only - Feb 7 3:00 -1:00 - Rule Morocco 2027 only - Mar 14 2:00 0 - Rule Morocco 2028 only - Jan 23 3:00 -1:00 - -Rule Morocco 2028 only - Feb 27 2:00 0 - +Rule Morocco 2028 only - Mar 5 2:00 0 - Rule Morocco 2029 only - Jan 14 3:00 -1:00 - Rule Morocco 2029 only - Feb 18 2:00 0 - Rule Morocco 2029 only - Dec 30 3:00 -1:00 - @@ -971,7 +977,7 @@ Rule Morocco 2033 only - Dec 25 2:00 0 - Rule Morocco 2034 only - Nov 5 3:00 -1:00 - Rule Morocco 2034 only - Dec 17 2:00 0 - Rule Morocco 2035 only - Oct 28 3:00 -1:00 - -Rule Morocco 2035 only - Dec 2 2:00 0 - +Rule Morocco 2035 only - Dec 9 2:00 0 - Rule Morocco 2036 only - Oct 19 3:00 -1:00 - Rule Morocco 2036 only - Nov 23 2:00 0 - Rule Morocco 2037 only - Oct 4 3:00 -1:00 - @@ -987,7 +993,7 @@ Rule Morocco 2041 only - Sep 29 2:00 0 - Rule Morocco 2042 only - Aug 10 3:00 -1:00 - Rule Morocco 2042 only - Sep 21 2:00 0 - Rule Morocco 2043 only - Aug 2 3:00 -1:00 - -Rule Morocco 2043 only - Sep 6 2:00 0 - +Rule Morocco 2043 only - Sep 13 2:00 0 - Rule Morocco 2044 only - Jul 24 3:00 -1:00 - Rule Morocco 2044 only - Aug 28 2:00 0 - Rule Morocco 2045 only - Jul 9 3:00 -1:00 - @@ -1003,7 +1009,7 @@ Rule Morocco 2049 only - Jul 4 2:00 0 - Rule Morocco 2050 only - May 15 3:00 -1:00 - Rule Morocco 2050 only - Jun 26 2:00 0 - Rule Morocco 2051 only - May 7 3:00 -1:00 - -Rule Morocco 2051 only - Jun 11 2:00 0 - +Rule Morocco 2051 only - Jun 18 2:00 0 - Rule Morocco 2052 only - Apr 28 3:00 -1:00 - Rule Morocco 2052 only - Jun 2 2:00 0 - Rule Morocco 2053 only - Apr 13 3:00 -1:00 - @@ -1019,7 +1025,7 @@ Rule Morocco 2057 only - Apr 8 2:00 0 - Rule Morocco 2058 only - Feb 17 3:00 -1:00 - Rule Morocco 2058 only - Mar 31 2:00 0 - Rule Morocco 2059 only - Feb 9 3:00 -1:00 - -Rule Morocco 2059 only - Mar 16 2:00 0 - +Rule Morocco 2059 only - Mar 23 2:00 0 - Rule Morocco 2060 only - Feb 1 3:00 -1:00 - Rule Morocco 2060 only - Mar 7 2:00 0 - Rule Morocco 2061 only - Jan 16 3:00 -1:00 - @@ -1029,13 +1035,13 @@ Rule Morocco 2062 only - Feb 12 2:00 0 - Rule Morocco 2062 only - Dec 31 3:00 -1:00 - Rule Morocco 2063 only - Feb 4 2:00 0 - Rule Morocco 2063 only - Dec 16 3:00 -1:00 - -Rule Morocco 2064 only - Jan 20 2:00 0 - +Rule Morocco 2064 only - Jan 27 2:00 0 - Rule Morocco 2064 only - Dec 7 3:00 -1:00 - Rule Morocco 2065 only - Jan 11 2:00 0 - Rule Morocco 2065 only - Nov 22 3:00 -1:00 - Rule Morocco 2066 only - Jan 3 2:00 0 - Rule Morocco 2066 only - Nov 14 3:00 -1:00 - -Rule Morocco 2066 only - Dec 19 2:00 0 - +Rule Morocco 2066 only - Dec 26 2:00 0 - Rule Morocco 2067 only - Nov 6 3:00 -1:00 - Rule Morocco 2067 only - Dec 11 2:00 0 - Rule Morocco 2068 only - Oct 21 3:00 -1:00 - @@ -1045,13 +1051,13 @@ Rule Morocco 2069 only - Nov 17 2:00 0 - Rule Morocco 2070 only - Oct 5 3:00 -1:00 - Rule Morocco 2070 only - Nov 9 2:00 0 - Rule Morocco 2071 only - Sep 20 3:00 -1:00 - -Rule Morocco 2071 only - Oct 25 2:00 0 - +Rule Morocco 2071 only - Nov 1 2:00 0 - Rule Morocco 2072 only - Sep 11 3:00 -1:00 - Rule Morocco 2072 only - Oct 16 2:00 0 - Rule Morocco 2073 only - Aug 27 3:00 -1:00 - Rule Morocco 2073 only - Oct 8 2:00 0 - Rule Morocco 2074 only - Aug 19 3:00 -1:00 - -Rule Morocco 2074 only - Sep 23 2:00 0 - +Rule Morocco 2074 only - Sep 30 2:00 0 - Rule Morocco 2075 only - Aug 11 3:00 -1:00 - Rule Morocco 2075 only - Sep 15 2:00 0 - Rule Morocco 2076 only - Jul 26 3:00 -1:00 - @@ -1061,7 +1067,7 @@ Rule Morocco 2077 only - Aug 22 2:00 0 - Rule Morocco 2078 only - Jul 10 3:00 -1:00 - Rule Morocco 2078 only - Aug 14 2:00 0 - Rule Morocco 2079 only - Jun 25 3:00 -1:00 - -Rule Morocco 2079 only - Jul 30 2:00 0 - +Rule Morocco 2079 only - Aug 6 2:00 0 - Rule Morocco 2080 only - Jun 16 3:00 -1:00 - Rule Morocco 2080 only - Jul 21 2:00 0 - Rule Morocco 2081 only - Jun 1 3:00 -1:00 - @@ -1077,7 +1083,7 @@ Rule Morocco 2085 only - May 27 2:00 0 - Rule Morocco 2086 only - Apr 14 3:00 -1:00 - Rule Morocco 2086 only - May 19 2:00 0 - Rule Morocco 2087 only - Mar 30 3:00 -1:00 - -Rule Morocco 2087 only - May 4 2:00 0 - +Rule Morocco 2087 only - May 11 2:00 0 - # For dates after the somewhat-arbitrary cutoff of 2087, assume that # Morocco will no longer observe DST. At some point this table will # need to be extended, though quite possibly Morocco will change the -- 2.17.1