Time Difference Between London and New York
As of 31 August 2026, New York is 5 hours behind London. That number is not constant. Over the course of a year, because of daylight saving changes, New York, United States ranges from 5 hours behind to 4 hours behind relative to London, United Kingdom. The calculator below is always up to date.
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London, United Kingdom
23:34
Mon, Aug 31, 2026
UTC+1 · Europe/London
New York, United States
-5h18:34
Mon, Aug 31, 2026
UTC-4 · EDT · America/New_York
New York is 5 hours behind London.
Time zone details
| Place | Local date | Time zone | UTC offset | Summer time |
|---|---|---|---|---|
| London | Monday, August 31, 2026 | Europe/London | UTC+1 | Active now |
| New York | Monday, August 31, 2026 | EDTAmerica/New_York | UTC-4 | Active now |
Hour by hour: London to New York
Every hour of today in London and what it is in New York. Highlighted rows fall inside New York working hours (09:00–18:00).
| London | New York |
|---|---|
| 00:00 | 19:00prev day |
| 01:00 | 20:00prev day |
| 02:00 | 21:00prev day |
| 03:00 | 22:00prev day |
| 04:00 | 23:00prev day |
| 05:00 | 00:00 |
| 06:00 | 01:00 |
| 07:00 | 02:00 |
| 08:00 | 03:00 |
| 09:00 | 04:00 |
| 10:00 | 05:00 |
| 11:00 | 06:00 |
| London | New York |
|---|---|
| 12:00 | 07:00 |
| 13:00 | 08:00 |
| 14:00 | 09:00 |
| 15:00 | 10:00 |
| 16:00 | 11:00 |
| 17:00 | 12:00 |
| 18:00 | 13:00 |
| 19:00 | 14:00 |
| 20:00 | 15:00 |
| 21:00 | 16:00 |
| 22:00 | 17:00 |
| 23:00 | 18:00 |
Best time to call or meet
Overlapping working hours
14:00–18:00 in London (09:00–13:00 in New York)
Both places are inside 09:00–18:00 for 4 hours a day. Anything in this window works without asking anyone to stay late.
Reasonable calling hours
13:00–21:00 in London (08:00–16:00 in New York)
Both people are awake and available between 08:00 and 21:00 local time during this window.
When this difference changes
London puts its clocks back on Sunday, October 25, 2026
The local offset moves from UTC+1 to UTC. After that date, New York is 4 hours behind London — instead of 5 hours behind, as it is today.
New York puts its clocks back on Sunday, November 1, 2026
The local offset moves from UTC-4 to UTC-5. The gap between London and New York stays at 5 hours because both places change at the same time.
Planning something with more than two places?
Adding a third city usually kills the obvious answer. The Meeting Time Finder takes up to five cities at once and shows only the hours that work for everybody.
London and New York: common questions
What is the time difference between London and New York?
As of 31 August 2026, New York is 5 hours behind London. The gap is not fixed: across the year, New York ranges from 5 hours behind to 4 hours behind relative to London, as clocks change. The calculator on this page always shows the difference for right now.
When it is 9:00 AM in London, what time is it in New York?
It is 04:00 AM in New York, United States. Use the time field in the calculator above to check any other hour.
Is New York ahead of or behind London?
New York is behind London by 5 hours at the moment. In practical terms, the working day in New York starts and ends later in London terms.
Do London and New York observe daylight saving time?
Both London and New York change their clocks, but not on the same dates. That is why the gap is not fixed: across the year, New York ranges from 5 hours behind to 4 hours behind relative to London.
What is the best time to call New York from London?
Working hours overlap between 14:00 and 18:00 London time, which is 09:00 to 13:00 in New York. Calls inside that window reach both sides during the normal working day.
Related comparisons
Local dates shown for London, United Kingdom (UTC+1) and New York, United States (UTC-4) were generated on Monday, August 31, 2026 UTC and refresh in your browser.