BST to NZST time
When it is 9:29 AM in BST (GMT+1), it is 8:29 PM in NZST (GMT+12).
BST is usually 11 hours behind NZST. From 26 September 2026 to 25 October 2026 the gap widens to 12 hours. From 25 October 2026 to 28 March 2027 the gap widens to 13 hours. From 28 March 2027 to 3 April 2027 the gap widens to 12 hours. Similar shifts repeat in later years.
Their 08:00-18:00 days do not overlap; one side must flex.
BST to NZST
| BST | NZST |
|---|---|
| 00:00 | 11:00 |
| 01:00 | 12:00 |
| 02:00 | 13:00 |
| 03:00 | 14:00 |
| 04:00 | 15:00 |
| 05:00 | 16:00 |
| 06:00 | 17:00 |
| 07:00 | 18:00 |
| 08:00 | 19:00 |
| 09:00 | 20:00 |
| 10:00 | 21:00 |
| 11:00 | 22:00 |
| 12:00 | 23:00 |
| 13:00 | 00:00 (next day) |
| 14:00 | 01:00 (next day) |
| 15:00 | 02:00 (next day) |
| 16:00 | 03:00 (next day) |
| 17:00 | 04:00 (next day) |
| 18:00 | 05:00 (next day) |
| 19:00 | 06:00 (next day) |
| 20:00 | 07:00 (next day) |
| 21:00 | 08:00 (next day) |
| 22:00 | 09:00 (next day) |
| 23:00 | 10:00 (next day) |
NZST to BST
| NZST | BST |
|---|---|
| 00:00 | 13:00 (prev day) |
| 01:00 | 14:00 (prev day) |
| 02:00 | 15:00 (prev day) |
| 03:00 | 16:00 (prev day) |
| 04:00 | 17:00 (prev day) |
| 05:00 | 18:00 (prev day) |
| 06:00 | 19:00 (prev day) |
| 07:00 | 20:00 (prev day) |
| 08:00 | 21:00 (prev day) |
| 09:00 | 22:00 (prev day) |
| 10:00 | 23:00 (prev day) |
| 11:00 | 00:00 |
| 12:00 | 01:00 |
| 13:00 | 02:00 |
| 14:00 | 03:00 |
| 15:00 | 04:00 |
| 16:00 | 05:00 |
| 17:00 | 06:00 |
| 18:00 | 07:00 |
| 19:00 | 08:00 |
| 20:00 | 09:00 |
| 21:00 | 10:00 |
| 22:00 | 11:00 |
| 23:00 | 12:00 |
Open BST and NZST in the live time-zone app
Time zone rules: IANA tzdb 2026b (pages); the live app uses your device's own rules. About accuracy