Daylight Saving Time Dates
Find when the clocks change in any time zone and year — the exact date and time daylight saving time starts and ends, and the offset before and after.
How to use
- 1Choose a time zone and year.
- 2See each clock change with the local time it happens and the new offset.
How it's calculated
The time zone's offset is checked through the year; each change is pinned down to the minute using the browser's IANA time zone database.
Frequently asked questions
When do clocks change in the US?
Since 2007: forward at 2:00 a.m. on the second Sunday of March and back at 2:00 a.m. on the first Sunday of November.
When do clocks change in Europe?
At 01:00 UTC on the last Sunday of March and the last Sunday of October, at the same instant everywhere in the EU.
Why do some zones show no changes?
Many places don't observe daylight saving time, including most of Asia and Africa, Arizona (mostly) and Hawaii.