(Thanks to Almaz Mingaleev.) * NEWS: Mention this. * backzone (America/Yellowknife): Move Zone here ... * northamerica: ... from here. * zone.tab, zone1970.tab: Remove America/Yellowknife. --- NEWS | 8 ++++++++ backzone | 5 +++++ northamerica | 7 ------- zone.tab | 3 +-- zone1970.tab | 3 +-- 5 files changed, 15 insertions(+), 11 deletions(-) diff --git a/NEWS b/NEWS index ac0b611a..98cc14f7 100644 --- a/NEWS +++ b/NEWS @@ -4,6 +4,7 @@ Unreleased, experimental changes Briefly: Much of Greenland still uses DST from 2024 on. + America/Yellowknife now links to America/Edmonton. The code now defaults to C99 or later. Fix use of C23 attributes. @@ -17,6 +18,13 @@ Unreleased, experimental changes This change from 2022g doesn't affect timestamps until 2024-03-30, and doesn't affect tm_isdst until 2023-03-25. + Changes to past timestamps + + America/Yellowknife has changed from a Zone to a backward + compatibility Link, as it no longer differs from America/Edmonton + since 1970. (Thanks to Almaz Mingaleev.) This affects some + pre-1948 timestamps. The old data are now in 'backzone'. + Changes to code The code by default is now designed for C99 or later. To build in diff --git a/backzone b/backzone index 7803c57d..1bd23ac6 100644 --- a/backzone +++ b/backzone @@ -928,6 +928,11 @@ Zone America/Thunder_Bay -5:57:00 - LMT 1895 Zone America/Tortola -4:18:28 - LMT 1911 Jul # Road Town -4:00 - AST +# Yellowknife, Northwest Territories +Zone America/Yellowknife 0 - -00 1935 # Yellowknife founded? + -7:00 NT_YK M%sT 1980 + -7:00 Canada M%sT + # Dumont d'Urville, Île des Pétrels, -6640+14001, since 1956-11 # <https://en.wikipedia.org/wiki/Dumont_d'Urville_Station> (2005-12-05) # diff --git a/northamerica b/northamerica index e33701bf..24b68e72 100644 --- a/northamerica +++ b/northamerica @@ -2125,10 +2125,6 @@ Zone America/Fort_Nelson -8:10:47 - LMT 1884 # Nunavut ... moved ... to incorporate the whole territory into one time zone. # Nunavut moves to single time zone Oct. 31 # http://www.nunatsiaq.com/nunavut/nvt90903_13.html -# -# From Antoine Leca (1999-09-06): -# We then need to create a new timezone for the Kitikmeot region of Nunavut -# to differentiate it from the Yellowknife region. # From Paul Eggert (1999-09-20): # Basic Facts: The New Territory @@ -2322,9 +2318,6 @@ Zone America/Cambridge_Bay 0 - -00 1920 # trading post est.? -5:00 - EST 2000 Nov 5 0:00 -6:00 - CST 2001 Apr 1 3:00 -7:00 Canada M%sT -Zone America/Yellowknife 0 - -00 1935 # Yellowknife founded? - -7:00 NT_YK M%sT 1980 - -7:00 Canada M%sT Zone America/Inuvik 0 - -00 1953 # Inuvik founded -8:00 NT_YK P%sT 1979 Apr lastSun 2:00 -7:00 NT_YK M%sT 1980 diff --git a/zone.tab b/zone.tab index 6e5adb9f..5d5c79ff 100644 --- a/zone.tab +++ b/zone.tab @@ -121,9 +121,8 @@ CA +744144-0944945 America/Resolute Central - NU (Resolute) CA +624900-0920459 America/Rankin_Inlet Central - NU (central) CA +5024-10439 America/Regina CST - SK (most areas) CA +5017-10750 America/Swift_Current CST - SK (midwest) -CA +5333-11328 America/Edmonton Mountain - AB; BC (E); SK (W) +CA +5333-11328 America/Edmonton Mountain - AB; BC (E); NT (E); SK (W) CA +690650-1050310 America/Cambridge_Bay Mountain - NU (west) -CA +6227-11421 America/Yellowknife Mountain - NT (central) CA +682059-1334300 America/Inuvik Mountain - NT (west) CA +4906-11631 America/Creston MST - BC (Creston) CA +5546-12014 America/Dawson_Creek MST - BC (Dawson Cr, Ft St John) diff --git a/zone1970.tab b/zone1970.tab index a9b36d36..819316be 100644 --- a/zone1970.tab +++ b/zone1970.tab @@ -108,9 +108,8 @@ CA +744144-0944945 America/Resolute Central - NU (Resolute) CA +624900-0920459 America/Rankin_Inlet Central - NU (central) CA +5024-10439 America/Regina CST - SK (most areas) CA +5017-10750 America/Swift_Current CST - SK (midwest) -CA +5333-11328 America/Edmonton Mountain - AB; BC (E); SK (W) +CA +5333-11328 America/Edmonton Mountain - AB; BC (E); NT (E); SK (W) CA +690650-1050310 America/Cambridge_Bay Mountain - NU (west) -CA +6227-11421 America/Yellowknife Mountain - NT (central) CA +682059-1334300 America/Inuvik Mountain - NT (west) CA +5546-12014 America/Dawson_Creek MST - BC (Dawson Cr, Ft St John) CA +5848-12242 America/Fort_Nelson MST - BC (Ft Nelson) -- 2.37.2