London to New York time converter
Pick a date and time in London to see the matching time and day in New York. New York is 5 hours behind London for most of the year.
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Processing and privacy: The result is calculated inside your browser and your data is not sent to any server.
How to use it
- Enter date in london and time in london.
- The result appears straight away and updates as you edit.
- Copy the result, or copy a link that keeps the same values to share it.
How it is calculated
New York time = London time + (New York UTC offset - London UTC offset), with both offsets read for the chosen date from the IANA time-zone database (Europe/London, America/New_York).
Example
Inputs: Date in London = 2026-01-15, Time in London = 09:00. Result: Time in New York: 04:00 Thursday; Date in New York: Thursday, January 15, 2026 (2026-01-15); New York vs London: -5 hours.
Limits and caveats
- Daylight saving dates come from your device time-zone database, so results can differ if it is outdated or a country changed its rules recently.
- A time skipped when London moves its clocks forward is shifted one hour later.
Questions about this tool
What is the time difference between London and New York?
New York is 5 hours behind London for most of the year. For a few weeks in March, and between the last Sunday of October and the first Sunday of November, it is 4 hours because the two countries change clocks on different days.
Do London or New York change their clocks in summer?
London uses British Summer Time (UTC+1) from the last Sunday of March to the last Sunday of October and GMT (UTC+0) the rest of the year. New York uses daylight time (UTC-4) from the second Sunday of March to the first Sunday of November and UTC-5 in winter.
Why does New York sometimes show a different date?
New York is behind London, so the first hours after midnight in London can still be the previous day in New York. The tool shows the correct New York date and weekday for every conversion.