From 36acd567fbd8df3e085351bec36974fde035e0f0 Mon Sep 17 00:00:00 2001 From: Paul Eggert Date: Mon, 28 Nov 2022 18:19:02 -0800 Subject: [PROPOSED] Greenland change should affect only America/Nuuk Although the situation is fluid, it seems I likely guessed wrong about Ittoqqortoormiit in my Greenland changes three days ago. (Thanks to Jonas Nyrup.) * NEWS: Mention this. * europe (America/Scoresbysund): Revert recent change. --- NEWS | 8 ++++---- europe | 24 +++++++++++++++++------- 2 files changed, 21 insertions(+), 11 deletions(-) diff --git a/NEWS b/NEWS index 9465c75..d819bf1 100644 --- a/NEWS +++ b/NEWS @@ -1,7 +1,7 @@ News for the tz database Briefly: - Most of Greenland stops changing clocks after March 2023. + Much 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 @@ -13,9 +13,9 @@ 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.) + Much of Greenland, represented by America/Nuuk, stops observing + winter time after March 2023, so its daylight saving time becomes + standard time. (Thanks to Jonas Nyrup and Jürgen Appel.) Changes to past timestamps diff --git a/europe b/europe index d400a3a..a3547b4 100644 --- a/europe +++ b/europe @@ -1104,17 +1104,28 @@ Zone Atlantic/Faroe -0:27:04 - LMT 1908 Jan 11 # Tórshavn # http://naalakkersuisut.gl/~/media/Nanoq/Files/Attached%20Files/Engelske-tekster/Legislation/Executive%20Order%20National%20Park.rtf # It is their only National Park. +# From Jonas Nyrup (2022-11-24): +# On last Saturday in October 2023 when DST ends America/Nuuk will switch +# from -03/-02 to -02/-01 +# https://sermitsiaq.ag/forslagtidsforskel-danmark-mindskes-sommertid-beholdes +# ... +# https://sermitsiaq.ag/groenland-skifte-tidszone-trods-bekymringer +# # 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. +# From Paul Eggert (2022-11-28): +# The official document in Danish +# https://naalakkersuisut.gl/-/media/naalakkersuisut/filer/kundgoerelser/2022/11/2511/31_da_inatsisartutlov-om-tidens-bestemmelse.pdf?la=da&hash=A33597D8A38CC7038465241119EF34F3 +# says standard time for Greenland is -02, that Naalakkersuisut can lay down +# rules for DST and can require some areas to use a different time zone, +# and that this all takes effect 2023-03-25 22:00. The abovementioned +# "bekymringer" URL says the intent is no transition March 25, that +# Greenland will not go back to winter time in fall 2023, and that +# only America/Nuuk is affected (though further changes may occur). # Rule NAME FROM TO - IN ON AT SAVE LETTER/S Rule Thule 1991 1992 - Mar lastSun 2:00 1:00 D @@ -1135,8 +1146,7 @@ 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 2023 Mar 25 24:00 - 0:00 - +00 + -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 Mar 25 22:00 -- 2.38.1