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Update tzdata to version '2026b'#135

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StanFromIreland merged 2 commits intomasterfrom
2026b
Apr 24, 2026
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Update tzdata to version '2026b'#135
StanFromIreland merged 2 commits intomasterfrom
2026b

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@StanFromIreland StanFromIreland commented Apr 24, 2026

Version 2026.2

Upstream version 2026b released 2026-04-23T06:06:43+00:00

Briefly:

British Columbia moved to permanent -07 on 2026-03-09. Some more overflow bugs
have been fixed in zic.

Changes to future timestamps

British Columbia’s 2026-03-08 spring forward was its last foreseeable clock
change, as it moved to permanent -07 thereafter. (Thanks to Arthur David Olson.)
Although the change to permanent -07 legally took place on 2026-03-09,
temporarily model the change to occur on 2026-11-01 at 02:00 instead. This
works around a limitation in CLDR v48.2 (2026-03-17). This temporary hack is
planned to be removed after CLDR is fixed.

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I had to force push as my commit title said 2025... it seems everyone is making such mistakes with this release ;-)

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Released RC to TestPyPI, all looks good and tests pass.

Comment thread src/tzdata/__init__.py Outdated
Comment thread VERSION Outdated
Co-authored-by: Stan Ulbrych <stan@python.org>
@StanFromIreland StanFromIreland changed the title Update database to tzdata 2026b Update tzdata to version '2026b' Apr 24, 2026
@StanFromIreland StanFromIreland merged commit 1ed8943 into master Apr 24, 2026
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@StanFromIreland StanFromIreland deleted the 2026b branch April 24, 2026 15:17
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