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United Kingdom
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United States of America
United Kingdom
United Kingdom flag
17:19:29
Tuesday, June 23, 2026
UTC+1 · Europe/London
United Kingdom is 5 hours ahead of United States of America
When in United Kingdom 12:00, in United States of America 07:00
Same day
United States of America
United States flag
12:19:29
Tuesday, June 23, 2026
UTC−4 · America/New_York
Your time vs United Kingdom and United States of America
16:19:29
Tuesday, June 23, 2026
UTC
From you to United Kingdom +1h
From you to United States of America -4h

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United Kingdom
United States of America
Night Early morning Work hours Evening Bad time

Best time for a meeting

Best overlap today
14:00–18:00 United Kingdom = 09:00–13:00 United States of America
Suitable intervals
14:00–14:30 United Kingdom = 09:00–09:30 United States of America
14:30–15:00 United Kingdom = 09:30–10:00 United States of America
15:00–15:30 United Kingdom = 10:00–10:30 United States of America
15:30–16:00 United Kingdom = 10:30–11:00 United States of America
16:00–16:30 United Kingdom = 11:00–11:30 United States of America
16:30–17:00 United Kingdom = 11:30–12:00 United States of America

Quick time conversion

United KingdomUnited States of America
08:0003:00
09:0004:00
10:0005:00
11:0006:00
12:0007:00
13:0008:00
14:0009:00
15:0010:00
16:0011:00
17:0012:00
18:0013:00
19:0014:00
20:0015:00

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.

Europe/London: United Kingdom uses daylight saving time.
America/New_York: United States of America uses daylight saving time.

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 United Kingdom and United States of America?

The current time difference is United Kingdom is 5 hours ahead.

When is a good time to call from United Kingdom to United States of America?

The best time is 14:00–18:00 in United Kingdom = 9:00–13:00 in United States of America.

Does the time difference change during the year?

Yes, because United Kingdom uses daylight saving time and United States of America does not.

What timezone is United Kingdom in?

United Kingdom uses the timezone Europe/London.

What timezone is United States of America in?

United States of America uses the timezone America/New_York.

Popular comparisons

Additional information about countries United Kingdom and United States of America

United Kingdom

Capital: London
Current Time: United Kingdom
Discussion: United Kingdom
Coordinates of country United Kingdom: latitude 54.75844°, longitude -2.69531°
Large cities in this timezone: London, Birmingham, Glasgow, Manchester, Sheffield, Leeds

United States of America

Coordinates of country United States of America: latitude 39.76°, longitude -98.5°
Large cities in this timezone: New York, Brooklyn, Queens County, Philadelphia, Manhattan, The Bronx