Time in Chatham Islands
Chatham Islands runs on Pacific/Chatham, currently UTC+12:45 (CHAST). Its clocks change 2 times in 2026.
Chatham Islands, New Zealand
Zone facts
- IANA zone
- Pacific/Chatham
- Abbreviation
- CHAST
- Standard offset
- UTC+12:45
- Daylight offset
- UTC+13:45
- Country
- New Zealand (NZ)
- Coordinates
- -43.95, -176.56
Daylight saving time
Clocks in Chatham Islands change 2 times in 2026. The next changes:
- 2026-09-27 at 02:44Clocks go forward 60 minutes (UTC+12:45 → UTC+13:45)
- 2027-04-04 at 03:44Clocks go back 60 minutes (UTC+13:45 → UTC+12:45)
Sunrise and sunset
Computed from the city’s latitude and longitude with the NOAA solar position algorithm — no API, no network call.
- Sunrise
- 07:16
- Sunset
- 17:52
- Daylight
- 10 hours 36 minutes
Against the major hubs
Common questions
- What time zone is Chatham Islands in?
- Chatham Islands uses the Pacific/Chatham time zone, currently UTC+12:45 (CHAST). Use the IANA identifier rather than the abbreviation in code — abbreviations are ambiguous, and this one may mean something else somewhere else.
- Does Chatham Islands observe daylight saving time?
- Yes. Chatham Islands moves between UTC+12:45 in winter and UTC+13:45 in summer, changing 2 times in 2026.
- What is the difference between Chatham Islands and UTC?
- UTC+12:45 as of the last rebuild. It swings between UTC+12:45 and UTC+13:45 across the year.
- When does the sun rise and set in Chatham Islands?
- On the day of the last rebuild, sunrise was 07:16 and sunset 17:52 local time, giving 10 hours 36 minutes of daylight. These are computed from the city’s latitude and longitude, not fetched from anywhere.