Seattle to London Time Converter
Quick answers
Selected conversion
5:00 am05:00 PDT (UTC-7), Oct 12, 2026 = 1:00 pm13:00 BST (UTC+1), Oct 12, 2026
Seattle is 8 hours behind London.
How the time difference changes
For most of the year, Seattle is 8 hours behind London. From Oct 25 to Nov 1, 2026, and from Mar 14 to Mar 28, 2027, Seattle is 7 hours behind London.
For most of the year, working hours of 9:00 am to 5:00 pm in Seattle correspond to 5:00 pm to 1:00 am (next day) in London. At other times of the year, working hours of 9:00 am to 5:00 pm in Seattle correspond to 4:00 pm to 12:00 am (next day) in London.For most of the year, working hours of 09:00 to 17:00 in Seattle correspond to 17:00 to 01:00 (next day) in London. At other times of the year, working hours of 09:00 to 17:00 in Seattle correspond to 16:00 to 00:00 (next day) in London.
Compare Seattle time with London time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
PDT (Pacific Daylight Time) is 8 hours behind BST (British Summer Time).
5:00 am05:00 in Seattle, WA, USA is 1:00 pm13:00 in London, United Kingdom
Seattle to London call time
Best time for a conference call or a meeting is between 8:30am-9:30am08:30-09:30 in Seattle which corresponds to 4:30pm-5:30pm16:30-17:30 in London. Their 9am–5pm09:00–17:00 working hours do not overlap; this is a suggested compromise.
5:00 am05:00 PDT (Pacific Daylight Time) (Seattle, WA, USA). Offset UTC -7:00 hours
1:00 pm13:00 BST (British Summer Time) (London, United Kingdom). Offset UTC +1:00 hour
5:00 am05:00 Seattle, WA, USA / 1:00 pm13:00 London, United Kingdom
Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.
| Seattle, WA, USA | London, United Kingdom |
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Seattle Time Zone and Facts
Time Zone
PST – Pacific Standard Time, UTC-8 (standard time)
Seattle Facts
London Time Zone and Facts
Time Zone
GMT – Greenwich Mean Time, UTC+0 (standard time)