Time Zone Database Release 2026e Latest
Released
Downloads
| File | Description |
|---|---|
 tzdb-2026e.tar.lz (555.9kb) |
Complete Distribution (Data, Code and Extras) |
| tzdata2026e.tar.gz (470.7kb) |
Data Only Distribution |
| tzcode2026e.tar.gz (321.4kb) |
Code Only Distribution |
Release Notes
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.