From 2fb29226487e83979f2b674688f4c1127314986e Mon Sep 17 00:00:00 2001 From: Paul Eggert Date: Fri, 25 Nov 2022 09:44:14 -0800 Subject: [PROPOSED] Most of Greenland stops clock-changing after March * NEWS: Mention this. * europe (America/Scoresbysund, America/Nuuk): Add an hour to UTC offset starting 2023-03-25 22:00 Nuuk time. No DST after that. --- NEWS | 7 +++++++ europe | 18 ++++++++++++++++-- 2 files changed, 23 insertions(+), 2 deletions(-) diff --git a/NEWS b/NEWS index 24f77a74..9465c75e 100644 --- a/NEWS +++ b/NEWS @@ -1,6 +1,7 @@ News for the tz database Briefly: + Most of Greenland stops changing clocks after March 2023. Fix some pre-1996 timestamps in northern Canada. C89 is now deprecated; please use C99 or later. Portability fixes for AIX, libintl, MS-Windows, musl, z/OS @@ -10,6 +11,12 @@ News for the tz database Unreleased, experimental changes + Changes to future timestamps + + Most of Greenland stops observing winter time after March 2023, + so its daylight saving time becomes standard time. This affects + America/Nuuk and America/Scoresbysund. (Thanks to Jürgen Appel.) + Changes to past timestamps Changes for pre-1996 northern Canada (thanks to Chris Walton): diff --git a/europe b/europe index 6ac41e72..d400a3ae 100644 --- a/europe +++ b/europe @@ -1103,7 +1103,19 @@ Zone Atlantic/Faroe -0:27:04 - LMT 1908 Jan 11 # Tórshavn # "National Park" by Executive Order: # http://naalakkersuisut.gl/~/media/Nanoq/Files/Attached%20Files/Engelske-tekster/Legislation/Executive%20Order%20National%20Park.rtf # It is their only National Park. + +# From Jürgen Appel (2022-11-25): +# https://ina.gl/samlinger/oversigt-over-samlinger/samling/dagsordener/dagsorden.aspx?lang=da&day=24-11-2022 +# If I understand this correctly, from the next planned switch to +# summer time, Greenland will permanently stay at that time, i.e. no +# switch back to winter time in 2023 will occur. # +# From Paul Eggert (2022-11-25): +# For now, assume that this applies simultaneously to Ittoqqortoormiit +# (currently -01) as well as to Nuuk (currently -03), and that +# Danmarkshavn and Thule are unaffected since they are not using EU +# rules anyway and some of the remarks were about EU rules. + # Rule NAME FROM TO - IN ON AT SAVE LETTER/S Rule Thule 1991 1992 - Mar lastSun 2:00 1:00 D Rule Thule 1991 1992 - Sep lastSun 2:00 0 S @@ -1123,10 +1135,12 @@ Zone America/Danmarkshavn -1:14:40 - LMT 1916 Jul 28 Zone America/Scoresbysund -1:27:52 - LMT 1916 Jul 28 # Ittoqqortoormiit -2:00 - -02 1980 Apr 6 2:00 -2:00 C-Eur -02/-01 1981 Mar 29 - -1:00 EU -01/+00 + -1:00 EU -01/+00 2023 Mar 25 24:00 + 0:00 - +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 + -3:00 EU -03/-02 2023 Mar 25 22:00 + -2:00 - -02 Zone America/Thule -4:35:08 - LMT 1916 Jul 28 # Pituffik -4:00 Thule A%sT -- 2.37.2