Pacific/Chatham is an IANA time zone used in New Zealand. It is on daylight saving time now, UTC+13:45, until Sunday, April 4, 2027.
Pacific/Chatham at a glance
| UTC offset now | UTC+13:45 |
|---|---|
| Standard time | UTC+12:45 |
| Daylight saving time | UTC+13:45 |
| Used in | New Zealand |
| Next clock change | Sunday, April 4, 2027 |
How Pacific/Chatham keeps time
Standard time in Pacific/Chatham is UTC+12:45. During daylight saving time the zone moves 1 hour to UTC+13:45. The table lists the recent and upcoming changes as recorded in tz database version 2026e.
Recent and upcoming changes in Pacific/Chatham
| Date | Change | New offset |
|---|---|---|
| Sunday, April 6, 2025 | Clocks go back 1 hour: 3:45 AM becomes 2:45 AM | UTC+12:45 |
| Sunday, September 28, 2025 | Clocks go forward 1 hour: 2:45 AM becomes 3:45 AM | UTC+13:45 |
| Sunday, April 5, 2026 | Clocks go back 1 hour: 3:45 AM becomes 2:45 AM | UTC+12:45 |
| Sunday, September 27, 2026 | Clocks go forward 1 hour: 2:45 AM becomes 3:45 AM | UTC+13:45 |
| Sunday, April 4, 2027 | Clocks go back 1 hour: 3:45 AM becomes 2:45 AM | UTC+12:45 |
| Sunday, September 26, 2027 | Clocks go forward 1 hour: 2:45 AM becomes 3:45 AM | UTC+13:45 |
| Sunday, April 2, 2028 | Clocks go back 1 hour: 3:45 AM becomes 2:45 AM | UTC+12:45 |
| Sunday, September 24, 2028 | Clocks go forward 1 hour: 2:45 AM becomes 3:45 AM | UTC+13:45 |
Countries and cities on Pacific/Chatham
Pacific/Chatham is used in New Zealand. None of the cities in our list follow it.
Pacific/Chatham compared with other time zones
Differences change during the year when one side moves to or from daylight saving time, so the table shows January and July separately.
| City | Time now | Difference now | In January | In July |
|---|---|---|---|---|
| New York (United States) | --:-- | 18 h 45 min behind | 18 h 45 min behind | 16 h 45 min behind |
| Los Angeles (United States) | --:-- | 21 h 45 min behind | 21 h 45 min behind | 19 h 45 min behind |
| London (United Kingdom) | --:-- | 13 h 45 min behind | 13 h 45 min behind | 11 h 45 min behind |
| Paris (France) | --:-- | 12 h 45 min behind | 12 h 45 min behind | 10 h 45 min behind |
| Dubai (United Arab Emirates) | --:-- | 9 h 45 min behind | 9 h 45 min behind | 8 h 45 min behind |
| Mumbai (India) | --:-- | 8 h 15 min behind | 8 h 15 min behind | 7 h 15 min behind |
| Singapore | --:-- | 5 h 45 min behind | 5 h 45 min behind | 4 h 45 min behind |
| Tokyo (Japan) | --:-- | 4 h 45 min behind | 4 h 45 min behind | 3 h 45 min behind |
| Sydney (Australia) | --:-- | 2 h 45 min behind | 2 h 45 min behind | 2 h 45 min behind |
| UTC | --:-- | 13 h 45 min behind | 13 h 45 min behind | 12 h 45 min behind |
Using Pacific/Chatham in software
Use the zone name Pacific/Chatham rather than an abbreviation or a fixed offset. Abbreviations can mean several zones, and offsets ignore future clock changes.
Show the current time in Pacific/Chatham:
// JavaScript
new Intl.DateTimeFormat('en-GB', { timeZone: 'Pacific/Chatham', timeStyle: 'long' }).format(new Date());
# Python
from datetime import datetime
from zoneinfo import ZoneInfo
datetime.now(ZoneInfo('Pacific/Chatham'))
// PHP
(new DateTime('now', new DateTimeZone('Pacific/Chatham')))->format('c');
# Shell
TZ=Pacific/Chatham date
Plan around the time in Pacific/Chatham
- Convert a time to or from Pacific/Chatham: pick a date and time and see it in every city on your list.
- Add Pacific/Chatham to your world clock to keep it next to your own time.
- Find a meeting time that falls inside office hours in Pacific/Chatham and the other cities you work with.
- Open a full-screen clock for your own time zone.
Frequently asked questions
What is the UTC offset of Pacific/Chatham?
UTC+12:45 in standard time and UTC+13:45 during daylight saving time. Right now it is UTC+13:45.
When does Pacific/Chatham change clocks next?
The next change is on Sunday, April 4, 2027 at 3:45 AM local time. The change after that is on Sunday, September 26, 2027.
Time zone rules: IANA tz database, version 2026e. Place names and coordinates: GeoNames. Sunrise and sunset are calculated from the coordinates and can differ by a minute or two from local almanacs.