diff --git a/NEWS.md b/NEWS.md index cc09203..5bb8a43 100644 --- a/NEWS.md +++ b/NEWS.md @@ -1,3 +1,41 @@ +# Version 2026.5 +Upstream version 2026e released 2026-09-30T00:14:38+00:00 + +## Briefly: + +Manitoba moves to permanent -05 on 2026-10-31. + +## Changes to future timestamps + +Manitoba’s 2026-03-08 spring forward was its last foreseeable clock change, as +it moved to permanent -05 thereafter. Model this with its traditional +abbreviation EST. Although the change to permanent -05 legally takes place on +2026-10-31, temporarily model the change to occur on 2026-11-01 at 02:00 for the +same reason as other recent temporary hacks. (Caution: see “NOTE FOR 2026b +TEMPORARY HACK FOR CLDR AND CANADA” below.) + +As the change affects both America/Winnipeg and its backward compatibility link, +the obsolescent setting TZ="Canada/Central" will now use the abbreviation EST +for affected timestamps, akin to TZ="Canada/Pacific" behavior introduced in +2026b. + +Another TZDB release may be needed soon if any of the portions of northwestern +Ontario historically aligned with America/Winnipeg do not follow. For now, +given the short leadtime with Manitoba’s announcement, assume that they will, to +avoid creating new zones that may not be needed if no divergence occurs. + +## Changes to past timestamps + +In 1925 Ireland fell back on 09-20 not 10-04 (thanks to Stan Ulbrych). + +## Changes to commentary + +Discussion on timekeeping practices in northwestern Ontario has been expanded in +light of Manitoba’s recent announcement. It is not yet known whether or to what +extent these areas may adapt their own timekeeping practices in response. + +--- + # Version 2026.4 Upstream version 2026d released 2026-09-11T22:21:07+00:00 diff --git a/VERSION b/VERSION index 45826d6..b1d9180 100644 --- a/VERSION +++ b/VERSION @@ -1 +1 @@ -2026.4 \ No newline at end of file +2026.5 \ No newline at end of file diff --git a/news.d/2026e.md b/news.d/2026e.md new file mode 100644 index 0000000..de558c3 --- /dev/null +++ b/news.d/2026e.md @@ -0,0 +1,35 @@ +# Version 2026.5 +Upstream version 2026e released 2026-09-30T00:14:38+00:00 + +## Briefly: + +Manitoba moves to permanent -05 on 2026-10-31. + +## Changes to future timestamps + +Manitoba’s 2026-03-08 spring forward was its last foreseeable clock change, as +it moved to permanent -05 thereafter. Model this with its traditional +abbreviation EST. Although the change to permanent -05 legally takes place on +2026-10-31, temporarily model the change to occur on 2026-11-01 at 02:00 for the +same reason as other recent temporary hacks. (Caution: see “NOTE FOR 2026b +TEMPORARY HACK FOR CLDR AND CANADA” below.) + +As the change affects both America/Winnipeg and its backward compatibility link, +the obsolescent setting TZ="Canada/Central" will now use the abbreviation EST +for affected timestamps, akin to TZ="Canada/Pacific" behavior introduced in +2026b. + +Another TZDB release may be needed soon if any of the portions of northwestern +Ontario historically aligned with America/Winnipeg do not follow. For now, +given the short leadtime with Manitoba’s announcement, assume that they will, to +avoid creating new zones that may not be needed if no divergence occurs. + +## Changes to past timestamps + +In 1925 Ireland fell back on 09-20 not 10-04 (thanks to Stan Ulbrych). + +## Changes to commentary + +Discussion on timekeeping practices in northwestern Ontario has been expanded in +light of Manitoba’s recent announcement. It is not yet known whether or to what +extent these areas may adapt their own timekeeping practices in response. \ No newline at end of file diff --git a/src/tzdata/__init__.py b/src/tzdata/__init__.py index 6a72b92..5e7af5e 100644 --- a/src/tzdata/__init__.py +++ b/src/tzdata/__init__.py @@ -1,6 +1,6 @@ # IANA versions like 2020a are not valid PEP 440 identifiers; the recommended # way to translate the version is to use YYYY.n where `n` is a 0-based index. -__version__ = "2026.4" +__version__ = "2026.5" # This exposes the original IANA version number. -IANA_VERSION = "2026d" +IANA_VERSION = "2026e" diff --git a/src/tzdata/zoneinfo/America/Rainy_River b/src/tzdata/zoneinfo/America/Rainy_River index 7e646d1..0ca1509 100644 Binary files a/src/tzdata/zoneinfo/America/Rainy_River and b/src/tzdata/zoneinfo/America/Rainy_River differ diff --git a/src/tzdata/zoneinfo/America/Winnipeg b/src/tzdata/zoneinfo/America/Winnipeg index 7e646d1..0ca1509 100644 Binary files a/src/tzdata/zoneinfo/America/Winnipeg and b/src/tzdata/zoneinfo/America/Winnipeg differ diff --git a/src/tzdata/zoneinfo/Canada/Central b/src/tzdata/zoneinfo/Canada/Central index 7e646d1..0ca1509 100644 Binary files a/src/tzdata/zoneinfo/Canada/Central and b/src/tzdata/zoneinfo/Canada/Central differ diff --git a/src/tzdata/zoneinfo/Eire b/src/tzdata/zoneinfo/Eire index 17d2b15..df91cd5 100644 Binary files a/src/tzdata/zoneinfo/Eire and b/src/tzdata/zoneinfo/Eire differ diff --git a/src/tzdata/zoneinfo/Europe/Dublin b/src/tzdata/zoneinfo/Europe/Dublin index 17d2b15..df91cd5 100644 Binary files a/src/tzdata/zoneinfo/Europe/Dublin and b/src/tzdata/zoneinfo/Europe/Dublin differ diff --git a/src/tzdata/zoneinfo/tzdata.zi b/src/tzdata/zoneinfo/tzdata.zi index 8a40631..7ac5fe7 100644 --- a/src/tzdata/zoneinfo/tzdata.zi +++ b/src/tzdata/zoneinfo/tzdata.zi @@ -1,4 +1,4 @@ -# version 2026d +# version 2026e # redo posix_only # This zic input file is in the public domain. R d 1916 o - Jun 14 23s 1 S @@ -2870,7 +2870,9 @@ Z America/Whitehorse -9:0:12 - LMT 1900 Au 20 -7 - MST Z America/Winnipeg -6:28:36 - LMT 1887 Jul 16 -6 W C%sT 2006 --6 C C%sT +-6 C C%sT 2026 O 31 +-6 C CDT 2026 N 1 2 +-5 - EST Z America/Yakutat 14:41:5 - LMT 1867 O 19 0:31:13u -9:18:55 - LMT 1900 Au 20 12 -9 - YST 1942 @@ -3570,6 +3572,8 @@ Z Europe/Dublin -0:25:21 - LMT 1880 Au 2 -0:25:21 - DMT 1916 May 21 2s -0:25:21 1 IST 1916 O 1 2s 0 G %s 1921 D 6 +0 G GMT/IST 1925 S Su>=16 2s +0 - GMT 1926 0 G GMT/IST 1940 F 25 2s 0 1 IST 1946 O 6 2s 0 - GMT 1947 Mar 16 2s diff --git a/src/tzdata/zoneinfo/zone.tab b/src/tzdata/zoneinfo/zone.tab index 8ff275a..7455c05 100644 --- a/src/tzdata/zoneinfo/zone.tab +++ b/src/tzdata/zoneinfo/zone.tab @@ -116,7 +116,7 @@ CA +5125-05707 America/Blanc-Sablon AST - QC (Lower North Shore) CA +4339-07923 America/Toronto Eastern - ON & QC (most areas) CA +6344-06828 America/Iqaluit Eastern - NU (most areas) CA +484531-0913718 America/Atikokan EST - ON (Atikokan), NU (Coral H) -CA +4953-09709 America/Winnipeg Central - ON (west), Manitoba +CA +4953-09709 America/Winnipeg EST - Manitoba, ON (northwest) 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) diff --git a/src/tzdata/zoneinfo/zone1970.tab b/src/tzdata/zoneinfo/zone1970.tab index 0c6a15c..1aed9b5 100644 --- a/src/tzdata/zoneinfo/zone1970.tab +++ b/src/tzdata/zoneinfo/zone1970.tab @@ -107,7 +107,7 @@ CA +4606-06447 America/Moncton Atlantic - New Brunswick CA +5320-06025 America/Goose_Bay Atlantic - Labrador (most areas) CA,BS +4339-07923 America/Toronto Eastern - ON & QC (most areas) CA +6344-06828 America/Iqaluit Eastern - NU (most areas) -CA +4953-09709 America/Winnipeg Central - ON (west), Manitoba +CA +4953-09709 America/Winnipeg EST - Manitoba, ON (northwest) 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) diff --git a/src/tzdata/zoneinfo/zonenow.tab b/src/tzdata/zoneinfo/zonenow.tab index 1c9b44b..bd3a278 100644 --- a/src/tzdata/zoneinfo/zonenow.tab +++ b/src/tzdata/zoneinfo/zonenow.tab @@ -80,7 +80,10 @@ XX +1924-09909 America/Mexico_City Central Standard (CST) - Saskatchewan; centra XX -2709-10926 Pacific/Easter Easter Island # # -06/-05 - CST/CDT (North America DST) -XX +415100-0873900 America/Chicago Central (CST/CDT) - US & Canada; Mexico near US border +XX +415100-0873900 America/Chicago Central (CST/CDT) - US; Mexico near US border; central Nunavut +# +# -06/-05 - CST/CDT (North America DST) until 2026-11-01 02:00; then EST +XX +4953-09709 America/Winnipeg Eastern Standard (EST) - Manitoba, northwestern Ontario # # -05 XX -1203-07703 America/Lima eastern South America