New York is 5 hours behind London from 1 Nov 2026 until 14 Mar 2027.
Next change: On Sun 14 Mar 2027, the US starts daylight saving time and the gap becomes 4 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Your device's time zone data looks out of date for one of these cities, so its own clock may disagree.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.
Best time to call
The table below uses the 5-hour gap until 14 Mar 2027; it updates to today’s gap in your browser.
Good window: 1 pm–9 pm in London = 8 am–4 pm in New York.
Work-hours overlap with the current 5-hour gap: 2 pm–5 pm in London = 9 am–12 pm in New York.
| London | New York | Both 8 am–9 pm |
|---|---|---|
| 00:00 | 19:00 (prev. day) | |
| 01:00 | 20:00 (prev. day) | |
| 02:00 | 21:00 (prev. day) | |
| 03:00 | 22:00 (prev. day) | |
| 04:00 | 23:00 (prev. day) | |
| 05:00 | 00:00 | |
| 06:00 | 01:00 | |
| 07:00 | 02:00 | |
| 08:00 | 03:00 | |
| 09:00 | 04:00 | |
| 10:00 | 05:00 | |
| 11:00 | 06:00 | |
| 12:00 | 07:00 | |
| 13:00 | 08:00 | ✓ |
| 14:00 | 09:00 | ✓ |
| 15:00 | 10:00 | ✓ |
| 16:00 | 11:00 | ✓ |
| 17:00 | 12:00 | ✓ |
| 18:00 | 13:00 | ✓ |
| 19:00 | 14:00 | ✓ |
| 20:00 | 15:00 | ✓ |
| 21:00 | 16:00 | |
| 22:00 | 17:00 | |
| 23:00 | 18:00 |
Year at a glance
| From (London date) | Until | New York vs London |
|---|---|---|
| Sun 1 Nov 2026 | Sun 14 Mar 2027 | 5 hours behind |
| Sun 14 Mar 2027 | Sun 28 Mar 2027 | 4 hours behind |
| Sun 28 Mar 2027 | Sun 31 Oct 2027 | 5 hours behind |
| Sun 31 Oct 2027 | … | 4 hours behind |
- Sun 14 Mar 2027: The US starts daylight saving; New York becomes 4 hours behind London.
- Sun 28 Mar 2027: The UK starts daylight saving; New York becomes 5 hours behind London.
- Sun 31 Oct 2027: The UK ends daylight saving; New York becomes 4 hours behind London.
Quick answers
Is New York ahead or behind London?
New York is 5 hours behind London from 1 Nov 2026 until 14 Mar 2027. On Sun 14 Mar 2027, the US starts daylight saving time and the gap becomes 4 hours. Over the next 12 months it varies between 4 and 5 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 1 Nov 2026 it is 5 hours; from Sun 14 Mar 2027 it is 4 hours; from Sun 28 Mar 2027 it is 5 hours; from Sun 31 Oct 2027 it is 4 hours. Both cities follow their own daylight saving rules (IANA tz database 2026e).
When is the best time to call New York from London?
With the current 5-hour gap until 14 Mar 2027 and both sides between 8 am and 9 pm local time: 1 pm–9 pm in London = 8 am–4 pm in New York. When the gap changes, the live table on this page adjusts.
Related
Other time differences from London: Auckland and New York · Sydney and New York
Sources
Time zone rules: IANA tz database 2026e (zones Europe/London and America/New_York). Last checked 18 Oct 2026. Daylight saving rules can change; we re-check them regularly.