Seattle to London Time Difference
🇺🇸 Seattle is currently 7 hours ahead of 🇬🇧 London. This difference varies between 7h and 8h due to Daylight Saving Time.
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Atin 🇺🇸 Seattle→it will be—in 🇬🇧 London
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Difference
+7h
Business overlap
2h
Distance
7,700 km
Approx. flight
9.1h
Hour-by-Hour: Seattle to London
| 🇺🇸 Seattle | 🇬🇧 London | Note |
|---|---|---|
| 12:00 AM | 7:00 AM | |
| 1:00 AM | 8:00 AM | |
| 2:00 AM | 9:00 AM | |
| 3:00 AM | 10:00 AM | |
| 4:00 AM | 11:00 AM | |
| 5:00 AM | 12:00 PM | |
| 6:00 AM | 1:00 PM | |
| 7:00 AM | 2:00 PM | |
| 8:00 AM | 3:00 PM | |
| 9:00 AM | 4:00 PM | |
| 10:00 AM | 5:00 PM | |
| 11:00 AM | 6:00 PM | |
| 12:00 PM | 7:00 PM | |
| 1:00 PM | 8:00 PM | |
| 2:00 PM | 9:00 PM | |
| 3:00 PM | 10:00 PM | |
| 4:00 PM | 11:00 PM | |
| 5:00 PM | 12:00 AM(next day) | Next day |
| 6:00 PM | 1:00 AM(next day) | Next day |
| 7:00 PM | 2:00 AM(next day) | Next day |
| 8:00 PM | 3:00 AM(next day) | Next day |
| 9:00 PM | 4:00 AM(next day) | Next day |
| 10:00 PM | 5:00 AM(next day) | Next day |
| 11:00 PM | 6:00 AM(next day) | Next day |
Daylight Saving Time (DST)
Both Seattle and London observe Daylight Saving Time, but they may switch on different dates. The time difference varies between 7 hours ahead and 8 hours ahead throughout the year. Currently, Seattle is 7 hours ahead relative to London.
Min difference
7h
Max difference
8h
Best Meeting Times
There are 2 overlapping business hours between Seattle and London (9 AM – 6 PM in each city).
🇺🇸 Seattle
9:00 AM – 11:00 AM
🇬🇧 London
4:00 PM – 6:00 PM
Frequently Asked Questions
What is the time difference between Seattle and London?
The time difference between Seattle and London is currently 7 hours ahead. Seattle uses PDT (UTC-7), while London uses GMT (UTC+0). This difference varies seasonally due to Daylight Saving Time, ranging from 7 hours ahead to 8 hours ahead.
When it's noon in Seattle, what time is it in London?
When it's 12:00 PM (noon) in Seattle, it is 7:00 PM in London. Use our calculator above to convert any other time.
Does the time difference between Seattle and London change?
Yes, the time difference changes throughout the year. Because Seattle observes Daylight Saving Time, the offset shifts between 7 hours ahead and 8 hours ahead at different times of the year.
What are the best times to schedule a call between Seattle and London?
The best time to call is between 9:00 AM and 11:00 AM in Seattle (which is 4:00 PM – 6:00 PM in London). This 2-hour window falls within business hours in both cities.
Is Seattle ahead or behind London?
Seattle is currently 7 hours behind London.
What time zone is Seattle in?
Seattle is in the America/Los Angeles time zone, currently using PDT (UTC-7). Seattle observes Daylight Saving Time, so the offset changes twice a year.
What time is midnight in Seattle in London?
When it is midnight (12:00 AM) in Seattle, it is 7:00 AM in London.