London is 13 hours behind Christchurch from 25 Oct 2026 until 28 Mar 2027.
Next change: On Sun 28 Mar 2027, the UK starts daylight saving time and the gap becomes 12 hours.
Your device's time zone data looks out of date for one of these cities, so its own clock may disagree. The times on this page use the 2026e rules.
Christchurch uses New Zealand time (the same IANA zone as Auckland and Wellington, Pacific/Auckland).
Best time to call
The table below uses the 13-hour gap until 28 Mar 2027; it updates to today’s gap in your browser.
Good window: 8 am–10 am in Christchurch = 7 pm–9 pm in London.
Work-hours overlap with the current 13-hour gap: none, the working days do not overlap.
| Christchurch | London | Both 8 am–9 pm |
|---|---|---|
| 00:00 | 11:00 (prev. day) | |
| 01:00 | 12:00 (prev. day) | |
| 02:00 | 13:00 (prev. day) | |
| 03:00 | 14:00 (prev. day) | |
| 04:00 | 15:00 (prev. day) | |
| 05:00 | 16:00 (prev. day) | |
| 06:00 | 17:00 (prev. day) | |
| 07:00 | 18:00 (prev. day) | |
| 08:00 | 19:00 (prev. day) | ✓ |
| 09:00 | 20:00 (prev. day) | ✓ |
| 10:00 | 21:00 (prev. day) | |
| 11:00 | 22:00 (prev. day) | |
| 12:00 | 23:00 (prev. day) | |
| 13:00 | 00:00 | |
| 14:00 | 01:00 | |
| 15:00 | 02:00 | |
| 16:00 | 03:00 | |
| 17:00 | 04:00 | |
| 18:00 | 05:00 | |
| 19:00 | 06:00 | |
| 20:00 | 07:00 | |
| 21:00 | 08:00 | |
| 22:00 | 09:00 | |
| 23:00 | 10:00 |
Year at a glance
| From (Christchurch date) | Until | London vs Christchurch |
|---|---|---|
| Sun 25 Oct 2026 | Sun 28 Mar 2027 | 13 hours behind |
| Sun 28 Mar 2027 | Sun 4 Apr 2027 | 12 hours behind |
| Sun 4 Apr 2027 | Sun 26 Sep 2027 | 11 hours behind |
| Sun 26 Sep 2027 | Sun 31 Oct 2027 | 12 hours behind |
| Sun 31 Oct 2027 | … | 13 hours behind |
- Sun 28 Mar 2027: The UK starts daylight saving; London becomes 12 hours behind Christchurch.
- Sun 4 Apr 2027: New Zealand ends daylight saving; London becomes 11 hours behind Christchurch.
- Sun 26 Sep 2027: New Zealand starts daylight saving; London becomes 12 hours behind Christchurch.
- Sun 31 Oct 2027: The UK ends daylight saving; London becomes 13 hours behind Christchurch.
Quick answers
Is London ahead or behind Christchurch?
London is 13 hours behind Christchurch from 25 Oct 2026 until 28 Mar 2027. On Sun 28 Mar 2027, the UK starts daylight saving time and the gap becomes 12 hours. Over the next 12 months it varies between 11 and 13 hours, depending on daylight saving. (IANA tz database 2026e.) Your browser shows today’s value on this page.
Does the time difference change during the year?
Yes, from Sun 25 Oct 2026 it is 13 hours; from Sun 28 Mar 2027 it is 12 hours; from Sun 4 Apr 2027 it is 11 hours; from Sun 26 Sep 2027 it is 12 hours; from Sun 31 Oct 2027 it is 13 hours. Both cities follow their own daylight saving rules (IANA tz database 2026e).
When is the best time to call London from Christchurch?
With the current 13-hour gap until 28 Mar 2027 and both sides between 8 am and 9 pm local time: 8 am–10 am in Christchurch = 7 pm–9 pm in London. When the gap changes, the live table on this page adjusts.
Related
Other time differences from Christchurch: Auckland and London · Wellington and London · Sydney and London · Melbourne and London
Sources
Time zone rules: IANA tz database 2026e (zones Pacific/Auckland and Europe/London). Last checked 18 Oct 2026. Daylight saving rules can change; we re-check them regularly.