The time difference is usually +5 hours. For a few weeks in spring and autumn it is +4 hours, because the two places change their clocks on different dates. When it is 12:00 PM (noon) in New York, it is 5:00 PM in London.
Changes during 2026
- Sunday, 8 March 2026: +4 hours
- Sunday, 29 March 2026: +5 hours
- Sunday, 25 October 2026: +4 hours
- Sunday, 1 November 2026: +5 hours
Conversion table
| New York | London |
|---|
Green: between 8 AM and 8 PM in both places – ideal for calls and meetings.