@@ -451,6 +451,14 @@ ZoneAfrica/Monrovia-0:43:08 -LMT1882
451451# (either two days before them or five days after them, so as to fall on
452452# lastFri instead of lastSun).
453453
454+ # From Even Scharning (2013-10-25):
455+ # The scheduled end of DST in Libya on Friday, October 25, 2013 was
456+ # cancelled yesterday....
457+ # http://www.libyaherald.com/2013/10/24/correction-no-time-change-tomorrow/
458+ #
459+ # From Paul Eggert (2013-10-25):
460+ # For now, assume they're reverting to the pre-2012 rules of permanent UTC+2.
461+
454462# RuleNAMEFROMTOTYPEINONATSAVELETTER/S
455463RuleLibya1951only-Oct142:001:00S
456464RuleLibya1952only-Jan 10:000-
@@ -467,8 +475,8 @@ RuleLibya19871989-Apr 10:001:00S
467475RuleLibya19871989-Oct 10:000-
468476RuleLibya1997only-Apr 40:001:00S
469477RuleLibya1997only-Oct 40:000-
470- RuleLibya2013max -MarlastFri1:001:00S
471- RuleLibya2013max -OctlastFri2:000-
478+ RuleLibya2013only -MarlastFri1:001:00S
479+ RuleLibya2013only -OctlastFri2:000-
472480# ZoneNAMEGMTOFFRULESFORMAT[UNTIL]
473481ZoneAfrica/Tripoli0:52:44 -LMT1920
4744821:00LibyaCE%sT1959
@@ -479,7 +487,8 @@ ZoneAfrica/Tripoli0:52:44 -LMT1920
4794872:00-EET1996 Sep 30
4804881:00LibyaCE%sT1997 Oct 4
4814892:00-EET2012 Nov 10 2:00
482- 1:00LibyaCE%sT
490+ 1:00LibyaCE%sT2013 Oct 25 2:00
491+ 2:00-EET
483492
484493# Madagascar
485494# ZoneNAMEGMTOFFRULESFORMAT[UNTIL]
@@ -684,15 +693,6 @@ ZoneIndian/Mayotte3:00:56 -LMT1911 Jul# Mamoutzou
684693# http://www.google.com/search?hl=en&q=Conseil+de+gouvernement+maroc+heure+avance&btnG=Search
685694# </a>
686695
687- # From Alex Krivenyshev (2008-05-09):
688- # Is Western Sahara (part which administrated by Morocco) going to follow
689- # Morocco DST changes? Any information? What about other part of
690- # Western Sahara - under administration of POLISARIO Front (also named
691- # SADR Saharawi Arab Democratic Republic)?
692-
693- # From Arthur David Olson (2008-05-09):
694- # XXX--guess that it is only Morocco for now; guess only 2008 for now.
695-
696696# From Steffen Thorsen (2008-08-27):
697697# Morocco will change the clocks back on the midnight between August 31
698698# and September 1. They originally planned to observe DST to near the end
@@ -858,13 +858,23 @@ ZoneIndian/Mayotte3:00:56 -LMT1911 Jul# Mamoutzou
858858# transitions would be 2013-07-07 and 2013-08-10; see:
859859# http://www.maroc.ma/en/news/morocco-suspends-daylight-saving-time-july-7-aug10
860860
861- # From Paul Eggert (2013-07-03):
861+ # From Steffen Thorsen (2013-09-28):
862+ # Morocco extends DST by one month, on very short notice, just 1 day
863+ # before it was going to end. There is a new decree (2.13.781) for
864+ # this, where DST from now on goes from last Sunday of March at 02:00
865+ # to last Sunday of October at 03:00, similar to EU rules. Official
866+ # source (French):
867+ # http://www.maroc.gov.ma/fr/actualites/lhoraire-dete-gmt1-maintenu-jusquau-27-octobre-2013
868+ # Another source (specifying the time for start and end in the decree):
869+ # http://www.lemag.ma/Heure-d-ete-au-Maroc-jusqu-au-27-octobre_a75620.html
870+
871+ # From Paul Eggert (2013-10-03):
862872# To estimate what the Moroccan government will do in future years,
863- # transition dates for 2014 through2021 were determined by running
873+ # transition dates for 2014 through2038 were determined by running
864874# the following program under GNU Emacs 24.3:
865875#
866876# (let ((islamic-year 1435))
867- # (while (< islamic-year1444 )
877+ # (while (< islamic-year1461 )
868878# (let ((a
869879# (calendar-gregorian-from-absolute
870880# (calendar-islamic-to-absolute (list 9 1 islamic-year))))
@@ -879,13 +889,18 @@ ZoneIndian/Mayotte3:00:56 -LMT1911 Jul# Mamoutzou
879889# (car (cdr (cdr b))) (calendar-month-name (car b) t) (car (cdr b)))))
880890# (setq islamic-year (+ 1 islamic-year))))
881891#
882- # with the results hand-edited for 2020-2022, when the normal spring-forward
883- # date falls during the estimated Ramadan.
884- #
885- # From 2023 through 2038 Ramadan is not predicted to overlap with
886- # daylight saving time. Starting in 2039 there will be overlap again,
887- # but 32-bit time_t values roll around in 2038 so for now do not worry
888- # about dates after 2038.
892+ # with spring-forward transitions removed for 2023-2025, when the
893+ # normal spring-forward date falls during the estimated Ramadan; with
894+ # all transitions removed for 2026-2035, where the estimated Ramadan
895+ # falls entirely outside daylight-saving time; and with fall-back
896+ # transitions removed for 2036-2037, where the normal fall-back
897+ # date falls during the estimated Ramadan. Normally, the table would
898+ # stop after 2037 because 32-bit time_t values roll around early in 2038,
899+ # but that would imply a prediction of perpetual DST after March 2038
900+ # due to the year-2037 glitches. So, this table instead stops after
901+ # 2038, the first non-glitchy year after the 32-bit rollover.
902+ # An advantage of stopping after 2038 is that it lets zic guess
903+ # TZ='WET0WEST,M3.5.0,M10.5.0/3' for time stamps far in the future.
889904
890905# RULENAMEFROMTOTYPEINONATSAVELETTER/S
891906
@@ -912,12 +927,14 @@ RuleMorocco2010only-May 2 0:001:00S
912927RuleMorocco2010only-Aug 8 0:000-
913928RuleMorocco2011only-Apr 3 0:001:00S
914929RuleMorocco2011only-Jul 31 00-
915- RuleMorocco20122019 -Apr lastSun 2:001:00S
916- RuleMorocco2012max -SeplastSun 3:000-
930+ RuleMorocco20122013 -Apr lastSun 2:001:00S
931+ RuleMorocco2012only -Sep30 3:000-
917932RuleMorocco2012only-Jul 20 3:000-
918933RuleMorocco2012only-Aug 20 2:001:00S
919934RuleMorocco2013only-Jul 7 3:000-
920935RuleMorocco2013only-Aug 10 2:001:00S
936+ RuleMorocco20132035-Oct lastSun 3:000-
937+ RuleMorocco20142022-Mar lastSun 2:001:00S
921938RuleMorocco2014only-Jun 29 3:000-
922939RuleMorocco2014only-Jul 29 2:001:00S
923940RuleMorocco2015only-Jun 18 3:000-
@@ -930,20 +947,42 @@ RuleMorocco2018only-May 16 3:000-
930947RuleMorocco2018only-Jun 15 2:001:00S
931948RuleMorocco2019only-May 6 3:000-
932949RuleMorocco2019only-Jun 5 2:001:00S
950+ RuleMorocco2020only-Apr 24 3:000-
933951RuleMorocco2020only-May 24 2:001:00S
952+ RuleMorocco2021only-Apr 13 3:000-
934953RuleMorocco2021only-May 13 2:001:00S
954+ RuleMorocco2022only-Apr 3 3:000-
935955RuleMorocco2022only-May 3 2:001:00S
936- RuleMorocco2023max-Apr lastSun 2:001:00S
956+ RuleMorocco2023only-Apr 22 2:001:00S
957+ RuleMorocco2024only-Apr 10 2:001:00S
958+ RuleMorocco2025only-Mar 31 2:001:00S
959+ RuleMorocco2026max-Mar lastSun 2:001:00S
960+ RuleMorocco2036only-Oct 21 3:000-
961+ RuleMorocco2037only-Oct 11 3:000-
962+ RuleMorocco2038only-Sep 30 3:000-
963+ RuleMorocco2038only-Oct 30 2:001:00S
964+ RuleMorocco2038max-Oct lastSun 3:000-
937965
938966# ZoneNAMEGMTOFFRULESFORMAT[UNTIL]
939967Zone Africa/Casablanca-0:30:20 -LMT1913 Oct 26
940968 0:00MoroccoWE%sT1984 Mar 16
941969 1:00-CET1986
942970 0:00MoroccoWE%sT
971+
943972# Western Sahara
973+ #
974+ # From Gwillim Law (2013-10-22):
975+ # A correspondent who is usually well informed about time zone matters
976+ # ... says that Western Sahara observes daylight saving time, just as
977+ # Morocco does.
978+ #
979+ # From Paul Eggert (2013-10-23):
980+ # Assume that this has been true since Western Sahara switched to GMT,
981+ # since most of it was then controlled by Morocco.
982+
944983Zone Africa/El_Aaiun-0:52:48 -LMT1934 Jan
945984-1:00-WAT1976 Apr 14
946- 0:00-WET
985+ 0:00MoroccoWE%sT
947986
948987# Mozambique
949988# ZoneNAMEGMTOFFRULESFORMAT[UNTIL]
@@ -1100,9 +1139,7 @@ ZoneAfrica/Khartoum2:10:08 -LMT1931
110011393:00-EAT
11011140
11021141# South Sudan
1103- ZoneAfrica/Juba2:06:24 -LMT1931
1104- 2:00SudanCA%sT2000 Jan 15 12:00
1105- 3:00-EAT
1142+ Link Africa/Khartoum Africa/Juba
11061143
11071144# Swaziland
11081145# ZoneNAMEGMTOFFRULESFORMAT[UNTIL]