GMT to NZDT Time Converter
About this conversion
NZDT is New Zealand Daylight Time (UTC+13), used from late September to early April. In UK winter, which is GMT, New Zealand is on NZDT, so the gap is 13 hours.
NZDT is 13 hours ahead of UTC, so a call at 08:00 GMT is 21:00 in New Zealand. In UK summer, New Zealand is on NZST (UTC+12) and the gap with BST is 11 hours.
When the time difference changes
Both sides keep a fixed offset, so the gap does not change in the next two years.
Best time to call or meet
GMT and NZDT have no shared 09:00 to 17:00 working hours at present.
Common times
- 06:00 GMT = 19:00 NZDT
- 09:00 GMT = 22:00 NZDT
- 12:00 GMT = 01:00 NZDT (next day)
- 15:00 GMT = 04:00 NZDT (next day)
- 17:00 GMT = 06:00 NZDT (next day)
- 20:00 GMT = 09:00 NZDT (next day)
GMT to NZDT hour-by-hour table
Highlighted rows fall within 09:00 to 17:00 on both sides.
| GMT | NZDT |
|---|---|
| 00:00 | 13:00 |
| 01:00 | 14:00 |
| 02:00 | 15:00 |
| 03:00 | 16:00 |
| 04:00 | 17:00 |
| 05:00 | 18:00 |
| 06:00 | 19:00 |
| 07:00 | 20:00 |
| 08:00 | 21:00 |
| 09:00 | 22:00 |
| 10:00 | 23:00 |
| 11:00 | 00:00 (next day) |
| 12:00 | 01:00 (next day) |
| 13:00 | 02:00 (next day) |
| 14:00 | 03:00 (next day) |
| 15:00 | 04:00 (next day) |
| 16:00 | 05:00 (next day) |
| 17:00 | 06:00 (next day) |
| 18:00 | 07:00 (next day) |
| 19:00 | 08:00 (next day) |
| 20:00 | 09:00 (next day) |
| 21:00 | 10:00 (next day) |
| 22:00 | 11:00 (next day) |
| 23:00 | 12:00 (next day) |
Related conversions
Clock change guides
- What Is Daylight Saving Time (DST)? A Plain-English GuideWhat daylight saving time is, how it works in the UK, Europe and the US, why it exists, its history, who uses it and the argument over scrapping it.
- Why Do the Clocks Go Back in October? The Real ReasonThe clocks go back in autumn to return the UK to GMT, so winter mornings are lighter. The history, the rule, what time it happens and what changes for you.
- When Do the Clocks Go Forward Again After Going Back?When the UK clocks go forward again after the autumn change, how long the UK stays on GMT, when evenings get lighter and how to remember to reset your clocks.
Frequently asked questions
What is 15:00 GMT in NZDT?
15:00 GMT is 04:00 (next day) NZDT at the moment. The answer can change by an hour when either side changes its clocks.
What are the shared working hours for GMT and NZDT?
At present none: GMT and NZDT have no shared 09:00 to 17:00 working hours at present.
When does the GMT to NZDT time difference change?
It does not change in the next two years.
What is NZDT?
New Zealand Daylight Time, UTC+13, used from late September to early April.