Time Difference Between United Kingdom and Eastern Time
As of 31 August 2026, Eastern Time is 5 hours behind United Kingdom. That number is not constant. Over the course of a year, because of daylight saving changes, Eastern Time, 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
Eastern Time, United States
-5h18:34
Mon, Aug 31, 2026
UTC-4 · EDT · America/New_York
Eastern Time is 5 hours behind United Kingdom.
Time zone details
| Place | Local date | Time zone | UTC offset | Summer time |
|---|---|---|---|---|
| United Kingdom | Monday, August 31, 2026 | Europe/London | UTC+1 | Active now |
| Eastern Time | Monday, August 31, 2026 | EDTAmerica/New_York | UTC-4 | Active now |
Eastern Time: Covers the US East Coast, from New York to Miami to Atlanta. Switches between EST (UTC-5) and EDT (UTC-4) with daylight saving.
Hour by hour: United Kingdom to Eastern Time
Every hour of today in United Kingdom and what it is in Eastern Time. Highlighted rows fall inside Eastern Time working hours (09:00–18:00).
| United Kingdom | Eastern Time |
|---|---|
| 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 |
| United Kingdom | Eastern Time |
|---|---|
| 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 United Kingdom (09:00–13:00 in Eastern Time)
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 United Kingdom (08:00–16:00 in Eastern Time)
Both people are awake and available between 08:00 and 21:00 local time during this window.
When this difference changes
United Kingdom puts its clocks back on Sunday, October 25, 2026
The local offset moves from UTC+1 to UTC. After that date, Eastern Time is 4 hours behind United Kingdom — instead of 5 hours behind, as it is today.
Eastern Time puts its clocks back on Sunday, November 1, 2026
The local offset moves from UTC-4 to UTC-5. The gap between United Kingdom and Eastern Time 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.
United Kingdom and Eastern Time: common questions
What is the time difference between United Kingdom and Eastern Time?
As of 31 August 2026, Eastern Time is 5 hours behind United Kingdom. The gap is not fixed: across the year, Eastern Time ranges from 5 hours behind to 4 hours behind relative to United Kingdom, as clocks change. The calculator on this page always shows the difference for right now.
When it is 9:00 AM in United Kingdom, what time is it in Eastern Time?
It is 04:00 AM in Eastern Time, United States. Use the time field in the calculator above to check any other hour.
Is Eastern Time ahead of or behind United Kingdom?
Eastern Time is behind United Kingdom by 5 hours at the moment. In practical terms, the working day in Eastern Time starts and ends later in United Kingdom terms.
Do United Kingdom and Eastern Time observe daylight saving time?
Both United Kingdom and Eastern Time change their clocks, but not on the same dates. That is why the gap is not fixed: across the year, Eastern Time ranges from 5 hours behind to 4 hours behind relative to United Kingdom.
What is the best time to call Eastern Time from United Kingdom?
Working hours overlap between 14:00 and 18:00 United Kingdom time, which is 09:00 to 13:00 in Eastern Time. Calls inside that window reach both sides during the normal working day.
Related comparisons
Local dates shown for London, United Kingdom (UTC+1) and Eastern Time, United States (UTC-4) were generated on Monday, August 31, 2026 UTC and refresh in your browser.