From de9868d31a5b45aaa9f0dc86f458ae3f4bcf7068 Mon Sep 17 00:00:00 2001 From: Paul Eggert Date: Mon, 4 May 2026 22:03:15 -0700 Subject: [PATCH 2/2] Remove temporary hack for CLDR v48.2 * NEWS: Mention this. * northamerica: Remove temporary hack that was useful for CLDR v48.2. --- NEWS | 10 ++++------ northamerica | 20 ++------------------ 2 files changed, 6 insertions(+), 24 deletions(-) diff --git a/NEWS b/NEWS index 538bb1fd..283bcfbc 100644 --- a/NEWS +++ b/NEWS @@ -3,17 +3,15 @@ News for the tz database Unreleased, experimental changes Briefly: - Use “PacT” for British Columbia time starting 2026-11-01. + Use “PacT” for British Columbia time starting 2026-03-09. Changes to past and future time zone abbreviations British Columbia is considering using “PacT” to abbreviate its legal time starting 2026-03-09. This experimental patch implements - this suggestion. However, in keeping with 2026b’s temporary hack - for CLDR v48.2 (2026-03-17), this experimental patch changes the - abbreviation starting with 2026-11-01 timestamps. Once CLDR is - fixed and we remove 2026b’s temporary hack, the “PacT” - abbreviation can also start on 2026-03-09. + this suggestion. It also removes the temporary hack needed for + CLDR v48.2 (2026-03-17), as CLDR should now be able to accommodate + BC timekeeping. Release 2026b - 2026-04-22 23:06:43 -0700 diff --git a/northamerica b/northamerica index 853786f1..8ec1e2a8 100644 --- a/northamerica +++ b/northamerica @@ -1966,21 +1966,8 @@ Zone America/Edmonton -7:33:52 - LMT 1906 Sep # The law says that 21 hours after the usual 2026-03-08 02:00 switch from # PST to PDT, the next day inaugurates the new standard time Pacific Time, # i.e., just one clock change but two name changes separated by 21 hours. -# PT, the obvious abbreviation for Pacific Time, is one letter too short -# to conform to TZDB’s (and POSIX’s) [-+[:alnum:]]{3,6} requirements. -# For now, do this: -# 1. As a temporary hack, pretend that the BC law takes effect -# not on 2026-03-09 at 00:00, but on 2026-11-01 at 02:00. -# This pretense works around a limitation in CLDR v48.2 (2026-03-17), -# which would otherwise say the interval uses “Pacific Standard Time”. -# (Below, this temporary hack is marked “Temporary hack; see above.”) -# Strictly speaking this hack is incorrect since the interval uses -# standard time, but it does have the right UT offset and it -# works around the CLDR limitation. We should be able to remove -# the temporary hack after CLDR is fixed. -# 2. After the BC law takes effect, model the time as PacT sans DST. -# The abbreviation “PacT” is currently being considered by the -# BC government. +# After the BC law takes effect, model the time as PacT sans DST. +# The abbreviation “PacT” is currently being considered by the BC government. # From Chris Walton (2026-03-15): # The Regional District of East Kootenay is planning to move to year-round @@ -2010,9 +1997,6 @@ Rule Vanc 1962 2006 - Oct lastSun 2:00 0 S Zone America/Vancouver -8:12:28 - LMT 1884 -8:00 Vanc P%sT 1987 -8:00 Canada P%sT 2026 Mar 9 - # Temporary hack; see above. - -8:00 1:00 PDT 2026 Nov 1 02:00 - # End of temporary hack. -7:00 - PacT Zone America/Dawson_Creek -8:00:56 - LMT 1884 -8:00 Canada P%sT 1947 -- 2.54.0