GMT to NZST: GMT is 12 hours behind NZST
Greenwich Mean Time is 12 hours behind New Zealand Time right now. It is 1:00 am GMT in GMT and 1:00 pm NZST in New Zealand.
Convert a specific time from GMT to NZST
Pick any time and date to convert it both ways. The conversion runs in your browser against the real zone rules, so a date inside a daylight saving period gets that period's offset rather than today's.
What is the time difference between GMT and NZST?
New Zealand Time is 12 hours ahead of Greenwich Mean Time. To go from GMT to NZST you add 12 hours. That gap is not fixed. Across 2026 the distance between these two zones takes 2 different values, from 12 hours to 13 hours, because New Zealand moves its clocks and GMT does not. This page recomputes it rather than assuming.
GMT to NZST conversion table
Every hour of Friday, September 25, 2026 in GMT, with the matching reading in New Zealand. 12 of the 24 hours land on a different calendar date in New Zealand, which is the part people get wrong when they schedule across this pair.
| GMT | GMT 24h | NZST | NZST 24h | Date |
|---|---|---|---|---|
| 12:00 am | 00:00 | 12:00 pm | 12:00 | same day |
| 1:00 am | 01:00 | 1:00 pm | 13:00 | same day |
| 2:00 am | 02:00 | 2:00 pm | 14:00 | same day |
| 3:00 am | 03:00 | 3:00 pm | 15:00 | same day |
| 4:00 am | 04:00 | 4:00 pm | 16:00 | same day |
| 5:00 am | 05:00 | 5:00 pm | 17:00 | same day |
| 6:00 am | 06:00 | 6:00 pm | 18:00 | same day |
| 7:00 am | 07:00 | 7:00 pm | 19:00 | same day |
| 8:00 am | 08:00 | 8:00 pm | 20:00 | same day |
| 9:00 am | 09:00 | 9:00 pm | 21:00 | same day |
| 10:00 am | 10:00 | 10:00 pm | 22:00 | same day |
| 11:00 am | 11:00 | 11:00 pm | 23:00 | same day |
| 12:00 pm | 12:00 | 12:00 am | 00:00 | the next day |
| 1:00 pm | 13:00 | 1:00 am | 01:00 | the next day |
| 2:00 pm | 14:00 | 2:00 am | 02:00 | the next day |
| 3:00 pm | 15:00 | 3:00 am | 03:00 | the next day |
| 4:00 pm | 16:00 | 4:00 am | 04:00 | the next day |
| 5:00 pm | 17:00 | 5:00 am | 05:00 | the next day |
| 6:00 pm | 18:00 | 6:00 am | 06:00 | the next day |
| 7:00 pm | 19:00 | 7:00 am | 07:00 | the next day |
| 8:00 pm | 20:00 | 8:00 am | 08:00 | the next day |
| 9:00 pm | 21:00 | 9:00 am | 09:00 | the next day |
| 10:00 pm | 22:00 | 10:00 am | 10:00 | the next day |
| 11:00 pm | 23:00 | 11:00 am | 11:00 | the next day |
What are the best hours to schedule a call between GMT and NZST?
No hour of the standard 9:00 am to 5:00 pm working day falls inside working hours on both sides. GMT and New Zealand are 12 hours apart, which is too far for an overlap, so somebody has to take a call outside their own working day. The least painful options are below, ranked by how close both sides sit to the middle of the afternoon.
| GMT | NZST | Working hours | Note |
|---|---|---|---|
| 7:00 am | 7:00 pm | neither side | early morning in GMT, evening in New Zealand |
| 7:00 pm | 7:00 am the next day | neither side | evening in GMT, early morning in New Zealand |
Does daylight saving change GMT to NZST?
Greenwich Mean Time does not move its clocks at all, so its UTC+0 offset holds every day of the year.
New Zealand Time is currently on NZST and changes next on Sunday, September 27, 2026, when the clock jumps forward from 1:59 am to 3:00 am and the offset moves from UTC+12 to UTC+13.
Because the two sides do not move together, the answer to this conversion changes during the year. For part of the year the gap is 12 hours and for the rest it is 13 hours. The table above is built for today, not for an average day.
Is GMT ahead of or behind NZST?
GMT is behind NZST by 12 hours: when it is 12:00 pm in GMT, it is 12:00 am the next day in New Zealand. One wrinkle worth knowing: NZST and NZDT are two names for the same zone, not two zones. New Zealand Time reads NZST in winter and NZDT in summer. When somebody types "gmt to nzst" they nearly always mean the zone rather than the literal winter offset, so this page resolves GMT to Etc/GMT and NZST to Pacific/Auckland and applies whichever offset is genuinely in force on the day.
Greenwich Mean Time covers identical to UTC as a clock reading, and a separate thing as a standard. New Zealand Time covers Auckland and Wellington, usually the first major clocks into a new day. The identifiers behind them are Etc/GMT and Pacific/Auckland, which is what any calendar or scheduling system should be storing rather than a fixed number of hours.
Questions
- What is GMT in NZST?
- GMT is 12 hours behind NZST. 9:00 am GMT is 9:00 pm NZST.
- How many hours ahead is NZST of GMT?
- NZST is 12 hours ahead of GMT. That varies across the year, between 12 hours and 13 hours.
- What time is it in New Zealand right now?
- 1:00 pm NZST on Friday, September 25, 2026.
- When can GMT and New Zealand meet during working hours?
- There is no shared working hour. The closest fit is 7:00 am GMT, which is 7:00 pm NZST.
- Does this account for daylight saving?
- Yes. Every reading is computed from the IANA database for the actual date, so GMT and NZST are the abbreviations genuinely in force today rather than a fixed assumption.
Other conversions
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