Machine-readable rule source
Exact offsets and transition rows come from the IANA Time Zone Database as exposed by the deployed runtime. IANA publishes tzdb releases when governments change civil-time rules.
Check IANA Time Zone DatabaseWeekly digest
Pick the categories you care about: movies, AI launches, sports, eclipses, and major public dates. One email per week, and never anything you did not ask for.
Want full preferences? Customize your digest →
IANA timezone
Pacific/Chatham is the IANA timezone for New Zealand, currently at UTC+12:45 (CHAST). It does not observe daylight saving time; the offset stays the same year-round. The zone covers 1 city listed below, with live clocks updating every second.
Last updated recently. Offset, DST behavior, and city coverage are refreshed from the live timezone dataset during the page revalidation window.
Current time in CHAST
--:--:--Pacific/Chatham · UTC+12:45
Abbreviation
CHAST
UTC Offset
UTC+12:45
DST Status
Standard Time
Country
New Zealand
Timezone planning depth
Timezone policy evidence
Practical use cases
Trust boundaries
Source-change watch
Exact offsets and transition rows come from the IANA Time Zone Database as exposed by the deployed runtime. IANA publishes tzdb releases when governments change civil-time rules.
Check IANA Time Zone DatabaseNo jurisdiction-specific policy source is attached for Pacific/Chatham. Confirm legal clock-change announcements with the relevant government or time authority before relying on future rules.
Year-round offset behavior
The forward 12-month sweep returned 2 scheduled offset transitions. Cumulative offset movement is +2h. Anchor stored timestamps to the IANA zone, not to a fixed UTC offset.
| Date (local) | Local time | From | To | Gap |
|---|---|---|---|---|
| September 27, 2026 | 3:45 AM | UTC+12:45 (GMT+12:45) | UTC+13:45 (GMT+13:45) | +1h |
| April 4, 2027 | 2:45 AM | UTC+13:45 (GMT+13:45) | UTC+12:45 (GMT+12:45) | -1h |
Offset window
UTC+12:45 (GMT+12:45)
116 days
Offset window
UTC+13:45 (GMT+13:45)
189 days
Offset window
UTC+12:45 (GMT+12:45)
60 days
Primary offset across the window: UTC+13:45 (GMT+13:45) for about 189 days.
Coverage reference
Country roster
Top cities in Pacific/Chatham (by population)
Meetings can drift when regions change daylight saving time on different weekends. This radar calls out those risk windows.
Reference fields include Pacific/Chatham: IANA zone ID, current offset and abbreviation, DST transition dates, peer zones, country roster, and top cities.
Most timezone-reference visits naturally branch into a country page, abbreviation page, or converter workflow.
Time in New Zealand
Open the country hub for city clocks, holidays, airports, and broader timezone context.
Timezone converter
Move from zone reference into hour-by-hour practical conversions.
Browse city pages
Use the human-readable city index if the next question is really about a city, not a zone string.