68 lines
2.9 KiB
Diff
68 lines
2.9 KiB
Diff
From 6438e996dc99cd5988b1ddd6dc3f95dfd1919caf Mon Sep 17 00:00:00 2001
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From: Paul Eggert <eggert@cs.ucla.edu>
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Date: Fri, 2 Dec 2022 13:26:46 -0800
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Subject: [PATCH] Much of Greenland still uses DST from 2024 on
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Reference: https://github.com/eggert/tz/commit/bb7bfd2dd475402b79a87263ee89aa78c4af7c60
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Conflict: remove NEWS;
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(Thanks to Thomas M. Steenholdt.)
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* NEWS: Mention this.
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* europe (America/Nuuk): Instead of switching from -03/-02 to
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permanent -02 in March 2023, switch from -03/-02 to -02/-01
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in October 2023.
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---
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europe | 29 ++++++++++++++---------------
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1 file changed, 14 insertions(+), 15 deletions(-)
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diff --git a/europe b/europe
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index 122a0b5..7f00931 100644
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--- a/europe
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+++ b/europe
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@@ -1170,19 +1170,18 @@ Zone Atlantic/Faroe -0:27:04 - LMT 1908 Jan 11 # Tórshavn
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#
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# From Jürgen Appel (2022-11-25):
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# https://ina.gl/samlinger/oversigt-over-samlinger/samling/dagsordener/dagsorden.aspx?lang=da&day=24-11-2022
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-# If I understand this correctly, from the next planned switch to
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-# summer time, Greenland will permanently stay at that time, i.e. no
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-# switch back to winter time in 2023 will occur.
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-#
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-# From Paul Eggert (2022-11-28):
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-# The official document in Danish
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-# https://naalakkersuisut.gl/-/media/naalakkersuisut/filer/kundgoerelser/2022/11/2511/31_da_inatsisartutlov-om-tidens-bestemmelse.pdf?la=da&hash=A33597D8A38CC7038465241119EF34F3
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-# says standard time for Greenland is -02, that Naalakkersuisut can lay down
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-# rules for DST and can require some areas to use a different time zone,
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-# and that this all takes effect 2023-03-25 22:00. The abovementioned
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-# "bekymringer" URL says the intent is no transition March 25, that
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-# Greenland will not go back to winter time in fall 2023, and that
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-# only America/Nuuk is affected (though further changes may occur).
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+#
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+# From Thomas M. Steenholdt (2022-12-02):
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+# - The bill to move America/Nuuk from UTC-03 to UTC-02 passed.
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+# - The bill to stop observing DST did not (Greenland will stop observing DST
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+# when EU does).
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+# Details on the implementation are here (section 6):
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+# https://ina.gl/dvd/EM%202022/pdf/media/2553529/pkt17_em2022_tidens_bestemmelse_bem_da.pdf
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+# This is how the change will be implemented:
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+# 1. The shift *to* DST in 2023 happens as normal.
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+# 2. The shift *from* DST in 2023 happens as normal, but coincides with the
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+# shift to UTC-02 normaltime (people will not change their clocks here).
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+# 3. After this, DST is still observed, but as -02/-01 instead of -03/-02.
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# Rule NAME FROM TO - IN ON AT SAVE LETTER/S
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Rule Thule 1991 1992 - Mar lastSun 2:00 1:00 D
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@@ -1206,8 +1205,8 @@ Zone America/Scoresbysund -1:27:52 - LMT 1916 Jul 28 # Ittoqqortoormiit
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-1:00 EU -01/+00
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Zone America/Nuuk -3:26:56 - LMT 1916 Jul 28 # Godthåb
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-3:00 - -03 1980 Apr 6 2:00
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- -3:00 EU -03/-02 2023 Mar 25 22:00
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- -2:00 - -02
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+ -3:00 EU -03/-02 2023 Oct 29 1:00u
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+ -2:00 EU -02/-01
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Zone America/Thule -4:35:08 - LMT 1916 Jul 28 # Pituffik
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-4:00 Thule A%sT
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--
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2.33.0
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