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Basetime

Clock changes in Canada

Clocks in Canada go forward one hour on Sunday, 14 March 2027: at 02:00 they jump to 03:00. The night is one hour shorter — summer time starts.

2026, day by day One cell per day. The darker band is standard time, the lighter is summer time — 127 days on UTC−5:00, 238 on UTC−4:00.

The night of 14 March 2027

Between 02:00 and 03:00 the clock skips: that hour does not exist. Anything scheduled inside it lands after the jump.

⚠ 02:00–03:00 · summer time starts

The next changes

4 of 4

  • 14 03 02:00 → 03:00 · summer time starts Sunday
  • 07 11 02:00 → 01:00 · standard time returns Sunday
  • 12 03 02:00 → 03:00 · summer time starts Sunday
  • 05 11 02:00 → 01:00 · standard time returns Sunday

Canada spans 5 time zones; these dates are computed from America/Toronto. Regions that opt out of daylight saving — where they exist — keep standard time through the summer.

Transitions are computed directly from the IANA time-zone database at build time, not from a hand-kept table — if the rules change, these dates change with the next daily build.

FAQ

When do the clocks change in Canada?

Sunday, 14 March 2027, at 02:00 local time, when clocks go forward one hour.

Why does the time difference to other countries wobble?

Countries change their clocks on different dates — Europe and North America are a week or more apart — so for a few weeks each spring and autumn the usual difference is temporarily an hour off. Every overlap and difference figure on this site reads the current offsets from the IANA time-zone database, so those weeks are handled automatically.