When the clocks change, your meetings can too.
London and New York change clocks on different Sundays. Check the gap before you send a recurring invite.
2026
In 2026, London turns its clocks back on 25 October. New York follows on 1 November. Between those changes, London is four hours ahead instead of five. In spring, New York changes on 8 March and London on 29 March.
| Date in source city | New York | London |
|---|---|---|
| 09:00 | 14:00 | |
| 09:00 | 13:00 | |
| 09:00 | 14:00 | |
| 09:00 | 14:00 | |
| 09:00 | 13:00 | |
| 09:00 | 14:00 |
Dates matter. These are worked examples, not a fixed year-round offset.
Check the meeting planner
- Choose the meeting’s date, not just its hour.
- Check every city on the call. Not every country changes clocks.
- For a recurring meeting, decide which city’s local time should stay fixed.
Time zone rules come from the browser’s IANA data. Keep your browser updated. Abbreviations can be ambiguous; use the city and date.
Keep it on your Windows desktop
The browser tool is handy for a quick check. Staying above other apps is a feature of the Windows desktop app.