Time difference between United States and United Kingdom: 5 hours
United States is 5 hours behind United Kingdom
Difference by time zone
This country spans multiple time zones, so the summary above uses the main zone. The table below shows the difference for each zone.
| United States — Time zone | United Kingdom — Time zone | Difference vs United Kingdom |
|---|---|---|
| Eastern Time (New York) | United Kingdom | −5 hours |
| Central Time (Chicago) | United Kingdom | −6 hours |
| Mountain Time (Denver) | United Kingdom | −7 hours |
| Pacific Time (Los Angeles) | United Kingdom | −8 hours |
| Alaska Time | United Kingdom | −9 hours |
| Hawaii Time | United Kingdom | −11 hours |
Best time for a call or meeting
United States 09:00–13:00 = United Kingdom 14:00–18:00
Both cities are within business hours (9:00–18:00).
Convert a specific time
Hour-by-hour conversion
| United States | United Kingdom |
|---|---|
| 00:00 | 05:00 |
| 01:00 | 06:00 |
| 02:00 | 07:00 |
| 03:00 | 08:00 |
| 04:00 | 09:00 |
| 05:00 | 10:00 |
| 06:00 | 11:00 |
| 07:00 | 12:00 |
| 08:00 | 13:00 |
| 09:00 | 14:00 |
| 10:00 | 15:00 |
| 11:00 | 16:00 |
| 12:00 | 17:00 |
| 13:00 | 18:00 |
| 14:00 | 19:00 |
| 15:00 | 20:00 |
| 16:00 | 21:00 |
| 17:00 | 22:00 |
| 18:00 | 23:00 |
| 19:00 | 00:00 |
| 20:00 | 01:00 |
| 21:00 | 02:00 |
| 22:00 | 03:00 |
| 23:00 | 04:00 |
Daylight saving time can change the difference by season. Shown values reflect the current offset.
Frequently asked questions
How many hours is the time difference between United States and United Kingdom?
United States is 5 hours behind United Kingdom. When it is 12:00 noon in United States, it is 17:00 in United Kingdom.
Does daylight saving time affect the difference?
Yes. One or both places observe daylight saving time, so the difference changes with the season. This page shows the current difference.
What is the best time for a call or meeting?
United States 09:00–13:00 = United Kingdom 14:00–18:00. Both cities are within business hours (9:00–18:00).
How many time zones does United States have?
This page covers 6 time zones in United States, using Eastern Time (New York) as the reference. See the table above for each zone.