From d3bdef36c2deaa1f781f6691f5995ff65899acd9 Mon Sep 17 00:00:00 2001 From: Paul Eggert Date: Thu, 24 Sep 2020 15:52:20 -0700 Subject: [PATCH 36/47] =?UTF-8?q?Yukon=E2=80=99s=20change=20is=20effective?= =?UTF-8?q?=202020-11-01.?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit * NEWS: Mention this. (Thanks to Andrew G. Smith.) * northamerica (America/Whitehorse, America/Dawson): The rule change is Nov 1, not Mar 8 2:00. --- NEWS | 13 +++++++++++++ northamerica | 16 ++++++++++++++-- 2 files changed, 27 insertions(+), 2 deletions(-) diff --git a/NEWS b/NEWS index 6b9fd43..517d1c8 100644 --- a/NEWS +++ b/NEWS @@ -2,6 +2,10 @@ News for the tz database Unreleased, experimental changes + Briefly: + Revised predictions for Morocco's changes starting in 20203. + Canada's Yukon changes to -07 on 2020-11-01, not 2020-03-08. + Changes to future timestamps Morocco's spring-forward after Ramadan is now predicted to occur @@ -9,6 +13,15 @@ Unreleased, experimental changes (Thanks to Milamber.) The first altered prediction is for 2023, now predicted to spring-forward on April 30 instead of April 23. + Changes to past and future time zone abbreviations and DST flags + + Canada's Yukon, represented by America/Whitehorse and + America/Dawson, changes its time zone rules from -08/-07 to + permanent -07 on 2020-11-01, not on 2020-03-08 as 2020a had it. + This change affects only the time zone abbreviation (MST vs PDT) + and daylight saving flag for the period between the two dates. + (Thanks to Andrew G. Smith.) + Changes to past timestamps Correct several transitions for Hungary for 1918/1983. diff --git a/northamerica b/northamerica index febf05b..1440c7a 100644 --- a/northamerica +++ b/northamerica @@ -2449,6 +2449,18 @@ Zone America/Creston -7:46:04 - LMT 1884 # consistency with nearby Dawson Creek, Creston, and Fort Nelson. # https://yukon.ca/en/news/yukon-end-seasonal-time-change +# From Andrew G. Smith (2020-09-24): +# Yukon has completed its regulatory change to be on UTC -7 year-round.... +# http://www.gov.yk.ca/legislation/regs/oic2020_125.pdf +# What we have done is re-defined Yukon Standard Time, as we are +# authorized to do under section 33 of our Interpretation Act: +# http://www.gov.yk.ca/legislation/acts/interpretation_c.pdf +# +# From Paul Eggert (2020-09-24): +# tzdb uses the obsolete YST abbreviation for standard time in Yukon through +# about 1970, and uses PST for standard time in Yukon since then. Consistent +# with that, use MST for -07, the new standard time in Yukon effective Nov. 1. + # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule NT_YK 1918 only - Apr 14 2:00 1:00 D Rule NT_YK 1918 only - Oct 27 2:00 0 S @@ -2503,12 +2515,12 @@ Zone America/Inuvik 0 - -00 1953 # Inuvik founded Zone America/Whitehorse -9:00:12 - LMT 1900 Aug 20 -9:00 NT_YK Y%sT 1967 May 28 0:00 -8:00 NT_YK P%sT 1980 - -8:00 Canada P%sT 2020 Mar 8 2:00 + -8:00 Canada P%sT 2020 Nov 1 -7:00 - MST Zone America/Dawson -9:17:40 - LMT 1900 Aug 20 -9:00 NT_YK Y%sT 1973 Oct 28 0:00 -8:00 NT_YK P%sT 1980 - -8:00 Canada P%sT 2020 Mar 8 2:00 + -8:00 Canada P%sT 2020 Nov 1 -7:00 - MST -- 1.8.3.1