Timetate
A world clock on a live 3D globe. Put London and New York on it side by side.
🇬🇧 London (UTC) · 🇺🇸 New York (UTC−4) · 4 hours difference — London is ahead
Best Time to Meet
🇬🇧 13:00–17:00 in London = 🇺🇸 09:00–13:00 in New York4 hours of overlap within standard business hours (09:00–17:00)
24-Hour Schedule
| City | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 🇬🇧 London | 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | 20:00 | 21:00 | 22:00 | 23:00 |
| 🇺🇸 New York | 20:00 | 21:00 | 22:00 | 23:00 | 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 |
Quick Reference
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Open Meeting Planner →What London and New York have in common is finance and media; that is the usual reason for a call between them. Put simply, when it is 09:00 in New York it is already 4 hours later in London.
The working week is Monday to Friday on both sides: roughly 09:00–17:30 in London and 09:00–18:00 in New York. On the London side the dates that break a schedule are Christmas Day and Boxing Day (25–26 December) and Easter Monday (March or April); on the New York side, Thanksgiving (fourth Thursday of November, with the Friday) and Independence Day (4 July).
The comfortable window is 13:00–17:00 London time, which is 09:00–13:00 in New York — 4 shared office hours, enough that nobody has to stretch. Each side observes daylight saving on its own schedule; the gap moves twice a year and back again.
London is 4 hours ahead of New York. The gap changes by an hour around the clock changes.
13:00–17:00 London time, which is 09:00–13:00 in New York — the 4-hour stretch when both are inside 09:00–17:00.
Yes, but not on the same dates, so for a few weeks each spring and autumn the gap is an hour narrower or wider than usual.
The ones that most often surprise the other side are Christmas Day and Boxing Day (25–26 December) and Easter Monday (March or April) in London and Thanksgiving (fourth Thursday of November, with the Friday) and Independence Day (4 July) in New York.
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Times on this page were calculated on .