From b019d3a8b3c544d4bbbdb0541acbea5238fcf781 Mon Sep 17 00:00:00 2001 From: Paul Eggert Date: Tue, 4 Apr 2023 19:58:47 -0700 Subject: [PROPOSED] Greenland changed standard time already This does not affect UTC offsets, only tm_isdst. (Thanks to Thomas M. Steenholdt.) * NEWS: Mention this. * europe (America/Nuuk): Change standard time in March 2023, not in October 2023. --- NEWS | 10 ++++++++++ europe | 9 ++++++++- 2 files changed, 18 insertions(+), 1 deletion(-) diff --git a/NEWS b/NEWS index b54538a..a181732 100644 --- a/NEWS +++ b/NEWS @@ -1,5 +1,15 @@ News for the tz database +Unreleased, experimental changes + + Changes to past and future tm_isdst flags + + Much of Greenland, represented by America/Nuuk, changed its + standard time from -03 to -02 on 2023-03-25, not on 2023-10-28. + This does not affect UTC offsets, only the tm_isdst flag. + (Thanks to Thomas M. Steenholdt.) + + Release 2023c - 2023-03-28 12:42:14 -0700 Changes to past and future timestamps diff --git a/europe b/europe index 3907c05..012d149 100644 --- a/europe +++ b/europe @@ -1123,6 +1123,12 @@ Zone Atlantic/Faroe -0:27:04 - LMT 1908 Jan 11 # Tórshavn # 2. The shift *from* DST in 2023 happens as normal, but coincides with the # shift to UTC-02 normaltime (people will not change their clocks here). # 3. After this, DST is still observed, but as -02/-01 instead of -03/-02. +# +# From Múte Bourup Egede via Jógvan Svabo Samuelsen (2023-03-15): +# Greenland will not switch to Daylight Saving Time this year, 2023, +# because the standard time for Greenland will change from UTC -3 to UTC -2. +# However, Greenland will change to Daylight Saving Time again in 2024 +# and onwards. # Rule NAME FROM TO - IN ON AT SAVE LETTER/S Rule Thule 1991 1992 - Mar lastSun 2:00 1:00 D @@ -1146,7 +1152,8 @@ Zone America/Scoresbysund -1:27:52 - LMT 1916 Jul 28 # Ittoqqortoormiit -1:00 EU -01/+00 Zone America/Nuuk -3:26:56 - LMT 1916 Jul 28 # Godthåb -3:00 - -03 1980 Apr 6 2:00 - -3:00 EU -03/-02 2023 Oct 29 1:00u + -3:00 EU -03/-02 2023 Mar 26 1:00u + -2:00 - -02 2023 Oct 29 1:00u -2:00 EU -02/-01 Zone America/Thule -4:35:08 - LMT 1916 Jul 28 # Pituffik -4:00 Thule A%sT -- 2.39.2