Time difference between United Kingdom and United States of America
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| United Kingdom | United States of America |
|---|---|
| 08:00 | 03:00 |
| 09:00 | 04:00 |
| 10:00 | 05:00 |
| 11:00 | 06:00 |
| 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 |
Does the time difference change?
Current difference between United Kingdom and United States of America: 5 hours.
From Sunday, November 1, 2026 the difference will be 5 hours because United States of America changes clocks.
From Sunday, October 25, 2026 the difference will be 4 hours because United Kingdom changes clocks.
How many hours ahead is United Kingdom from United States of America?
When it is morning in United Kingdom, it is evening in United States of America.
The current time difference between United Kingdom and United States of America is United Kingdom is 5 hours ahead.
The best time for a call is usually between 14:00–18:00 in United Kingdom and 9:00–13:00 in United States of America.
FAQ
What is the time difference between London and Washington?
The current time difference is United Kingdom is 5 hours ahead.
When is a good time to call from London to Washington?
The best time is 14:00–18:00 in London = 9:00–13:00 in Washington.
Does the time difference change during the year?
Both London and Washington observe daylight saving time, so the time difference may change when either location switches clocks.
What timezone is London in?
London uses the timezone Europe/London.
What timezone is Washington in?
Washington uses the timezone America/New_York.