Time zone · Oceania
NZDT
New Zealand Daylight Time
New Zealand Daylight Time (NZDT) is the summer timezone used across New Zealand and a small Antarctic research station, pushing clocks forward by one hour during the warmer months to capture longer evenings. It’s the rhythm behind Kiwi summers and polar research alike.
Thursday, October 15, 2026
Current offset
UTC+13:00
Daylight · NZDT
Daylight saving
Active
Reverts 4 Apr 2027
IANA zones
2
2 observe DST, 0 don't
DST offset
—
No summer variant
About NZDT
Standard time, with a summer shift.
New Zealand Daylight Time (NZDT) is the summer timezone used across New Zealand and a small Antarctic research station, pushing clocks forward by one hour during the warmer months to capture longer evenings. It’s the rhythm behind Kiwi summers and polar research alike.
IANA zones · the technical identifiers
The 2 zones that resolve to NZDT.
For software, always store the IANA identifier — never the abbreviation alone. The database keeps these zones distinct because their rules can, and historically did, diverge.
Cities across NZDT
Local time, city by city.
2 cities
Where NZDT is used
2 countries.
Same offset · UTC+13:00
Other zones at UTC+13:00 right now.
These named zones share NZDT's offset today. When daylight saving rules differ, they drift apart for part of the year.
Convert
NZDT to the world's clocks.
Frequently asked questions
Common questions about NZDT, daylight saving, and how to handle it in software. Can't find what you need? Email [email protected].
- Is NZ the same as NZDT?
- You’ll see NZST (UTC+12) in winter and NZDT (UTC+13) in summer. NZDT is only used during daylight saving.
- Do all of New Zealand use NZDT?
- Almost everywhere except the Chatham Islands, which have their own time zone (UTC+12:45 / UTC+13:45 during DST).
- How does NZDT affect international meetings?
- During NZDT (UTC+13:00), New Zealand is 17 to 18 hours ahead of the US East Coast, so 9 a.m. in Auckland is 3 p.m. or 4 p.m. the previous afternoon in New York. That leaves little overlap with the US business day.
- When do clocks change in NZ?
- They spring forward to NZDT on the last Sunday in September and fall back to NZST on the first Sunday in April.
- Does any part of Antarctica use NZ time?
- Yes, the McMurdo Station follows NZST and NZDT, aligning its schedule with New Zealand for logistical convenience.
- Can I confuse NZDT with Australian time?
- They’re different. NZDT (UTC+13:00) is used only in New Zealand and at McMurdo Station, and it is usually two hours ahead of Sydney, which is on UTC+11:00 over the same summer months.
Source: IANA tzdb2026d · Reviewed
Free · Developer API
This time zone, as JSON.
Its defining offset, DST status and member counts, from one endpoint.
Also in the API: time zones by coordinates, conversions that flag daylight saving gaps, and abbreviations decoded.
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