Chatham — Pacific/Chatham
The current local time in the Pacific/Chatham IANA time zone is shown below. It is the tz database identifier used in New Zealand in the area around Chatham. The zone is currently at UTC +13:45 · CHADT and observes daylight saving time.
Pacific/Chatham
Friday, 23 October 2026 CHADT
Zone information
Offset & DST
Current UTC offset: +13:45
Daylight saving: Observed
January offset +13:45 · July offset +12:45
Countries using Pacific/Chatham
Chatham vs. major cities
How far Chatham is from the world's main business centres right now, what time it is there when the working day starts in Chatham, and which hours of a 09:00–17:00 day the two places share. Daylight saving changes are applied automatically.
| City | Difference | At 09:00 in Chatham | Shared office hours |
|---|---|---|---|
| New York · United States | −17:45 h | 15:15 (prev. day) | 09:00–10:45 |
| Los Angeles · United States | −20:45 h | 12:15 (prev. day) | 09:00–13:45 |
| São Paulo · Brazil | −16:45 h | 16:15 (prev. day) | 09:00–09:45 |
| London · United Kingdom | −12:45 h | 20:15 (prev. day) | None |
| Paris · France | −11:45 h | 21:15 (prev. day) | None |
| Johannesburg · South Africa | −11:45 h | 21:15 (prev. day) | None |
| Dubai · United Arab Emirates | −9:45 h | 23:15 (prev. day) | None |
| Delhi · India | −8:15 h | 00:45 | None |
| Singapore · Singapore | −5:45 h | 03:15 | 14:45–17:00 |
| Beijing · China | −5:45 h | 03:15 | 14:45–17:00 |
Shared office hours are shown in Chatham time. Compare any set of cities hour by hour in the time zone converter, or pick a slot that suits everyone with the event planner.
Clock changes in Chatham
Since 1970, Chatham has gone through 3 distinct time-keeping periods, observing daylight saving time in 52 of 57 years. The current pattern, in place since 1975, is UTC +12:45 with UTC +13:45 in daylight saving time. Clocks currently go forward on the last Sunday in September and back on the first Sunday in April, a rule in place since 2008.
| Date | Change | Local clock | New offset |
|---|---|---|---|
| Sunday, 5 April 2026 | Back 1 hour | 03:45 → 02:45 | UTC +12:45 |
| Sunday, 27 September 2026 | Forward 1 hour | 02:45 → 03:45 | UTC +13:45 |
| Sunday, 4 April 2027 | Back 1 hour | 03:45 → 02:45 | UTC +12:45 |
| Sunday, 26 September 2027 | Forward 1 hour | 02:45 → 03:45 | UTC +13:45 |
When clocks go forward, sunrise and sunset both happen an hour later by the clock — darker mornings, lighter evenings — and the night of the change is an hour shorter. When they go back, the reverse applies.
Time zone history since 1970
| Years | Offset | Daylight saving |
|---|---|---|
| 1970–1973 | UTC +12:45 all year | No daylight saving time |
| 1974 | UTC +13:45 all year | No daylight saving time |
| 1975–2026 | UTC +12:45, DST UTC +13:45 | Forward on the last Sunday in September, back on the first Sunday in April (since 2008) |
Source: IANA tz database, as shipped with the Unicode ICU library.
More references for Pacific/Chatham
Compare Pacific/Chatham against other zones with the converter, map, and world clock, or browse the full directory.