Convert New York time to London time

Hour by hour

The whole day mapped across: read down the left for New York, across for London.

Daylight saving time

Both cities change their clocks, but not necessarily on the same date — which is why the difference between them shifts for a few weeks each year.

When you can actually talk

The window is 4 hours wide — 09:00–13:00 in New York, 14:00–18:00 in London.

• New York 09:00–13:00London 14:00–18:00

Reference

The underlying data, in case you need to put it in a calendar invitation or a configuration file.

Example, not the current time. Live times appear once the page loads.

Common questions

What is the time difference between New York and London?

London is 5 hours ahead of New York. That figure is current — it changes by an hour when either city starts or ends daylight saving, and the exact dates are listed above.

When is the best time to call London from New York?

Between 09:00–13:00 in New York, which is 14:00–18:00 in London. That is the only stretch where both cities are inside a 09:00–18:00 day.

Does New York observe daylight saving time?

Yes. New York runs on UTC-5 in winter and UTC-4 in summer. The next change is on 2026-11-01, when clocks go back by 60 minutes.

Does London observe daylight saving time?

Yes. London runs on UTC+0 in winter and UTC+1 in summer. The next change is on 2026-10-25, when clocks go back by 60 minutes.

If it is midday in New York, what time is it in London?

It is 17:00 in London, on the same calendar date. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.

Which time zones do New York and London use?

New York uses America/New_York, currently UTC-4 (EDT), and London uses Europe/London, currently UTC+1 (BST). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.