Time difference between London and Seattle
Compare the current local time in London and Seattle, see when your working hours overlap, and convert any specific hour between the two timezones.
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Convert a specific time
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Working-hours overlap
When London's 9:00–17:00 business hours overlap with Seattle's.
London working hours
Seattle working hours
Overlap (both working)
🇬🇧 London
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🇺🇸 Seattle
Scheduling across London and Seattle
Scheduling between London and Seattle is hard. Their standard business hours do not overlap on the same day, but the two working days meet at a single point: London's close at 17:00 coincides exactly with Seattle's open at 09:00. A call timed to that boundary catches both sides at the edge of their day.
Quick reference
| 🇬🇧 London | 🇺🇸 Seattle | In Seattle it's… |
|---|---|---|
| 06:00 — Early morning | — | — |
| 09:00 — Start of work | — | — |
| 12:00 — Lunchtime | — | — |
| 15:00 — Mid-afternoon | — | — |
| 17:00 — End of work | — | — |
| 20:00 — Evening | — | — |
Daylight saving status
🇬🇧 London
Currently in BST (daylight saving)
Clocks go back to GMT
on Sunday 25 October 2026
🇺🇸 Seattle
Currently in PDT (daylight saving)
Clocks go back to PST
on Sunday 1 November 2026