Time Difference

London to Seattle

8h

Seattle is 8 hours behind London

London
United Kingdom
British Summer Time
GMT+1 · UTC+1
View current time →
Seattle
United States
Pacific Daylight Time
PDT · UTC-7
View current time →

Time Conversion Table

LondonSeattle
12:00 AM4:00 PM
1:00 AM5:00 PM
2:00 AM6:00 PM
3:00 AM7:00 PM
4:00 AM8:00 PM
5:00 AM9:00 PM
6:00 AM10:00 PM
7:00 AM11:00 PM
8:00 AM12:00 AM
9:00 AM1:00 AM
10:00 AM2:00 AM
11:00 AM3:00 AM
12:00 PM4:00 AM
1:00 PM5:00 AM
2:00 PM6:00 AM
3:00 PM7:00 AM
4:00 PM8:00 AM
5:00 PM9:00 AM
6:00 PM10:00 AM
7:00 PM11:00 AM
8:00 PM12:00 PM
9:00 PM1:00 PM
10:00 PM2:00 PM
11:00 PM3:00 PM
Highlighted rows indicate typical business hours (9 AM – 5 PM)

About the Time Difference

The time difference between London, United Kingdom and Seattle, United States is 8 hours. Seattle is behind London.

London is in the British Summer Time timezone (GMT+1, UTC+1), while Seattle is in the Pacific Daylight Time timezone (PDT, UTC-7).

Note that this time difference can change during Daylight Saving Time transitions. London and Seattle may observe DST on different dates, which can temporarily shift the difference by one hour. Use Clockzilla to always see the accurate, current time difference.

When scheduling meetings or calls between London and Seattle, the best overlapping window for business hours is typically the morning in the city that is further ahead and the afternoon in the city that is behind.

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