project

tz database

Volunteer-maintained collection of the world's civil time zone and daylight saving rules, published as releases named by year and letter and consumed by most operating systems, language runtimes and databases.

Current clusters

build1 publisher

Manitoba gave the tz project six weeks to propagate a permanent zone change

Four Canadian jurisdictions stop moving their clocks at 2:00 AM on 1 November 2026, and tz release 2026d covers three of them. Anything running an older copy will take an hour off a clock that no longer moves.

Publishers:dev.to

Reality

Evidence66
Adoption41
Hype gap+16
Incentives18
Confidence62