London to Seattle, WA: time difference
Seattle, WA is 3 h behind London. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
London 08:36 8:36 AM Seattle, WA 05:36 5:36 AM You –:–
08:36 8:36 AM
Eastern Daylight Time · UTC-4
☀️ 07:33 · 🌙 18:52
05:36 5:36 AM
Pacific Daylight Time · UTC-7
☀️ 07:22 · 🌙 18:32
·
−3 h
Seattle, WA is 3 h behind London.
When you, London and Seattle, WA are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇨🇦 London
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇺🇸 Seattle, WA
21 9 PM 22 10 PM 23 11 PM 0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇨🇦 London | 🇺🇸 Seattle, WA |
|---|---|---|
| Local time | 08:36 | 05:36 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Eastern Daylight Time | Pacific Daylight Time |
| UTC offset | UTC-4 | UTC-7 |
| Offset from London | — | −3 h |
| IANA zone | America/Toronto | America/Los Angeles |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | On summer time → UTC-8, Nov 1, 01:00 |
| Sunrise | 07:33 | 07:22 |
| Sunset | 18:52 | 18:32 |
| Daylight | 11 h 19 min | 11 h 11 min |
| People on this clock | 383,822 | 737,015 |
Compare London with another city
More comparisons with London: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
London and Seattle, WA: common questions
How many hours behind London is Seattle, WA?
The clocks in Seattle are 3 hours behind those in London (UTC−7 and UTC−4).
If it is 9:00 AM in London, what time is it in Seattle, WA?
At 9:00 AM in London, clocks in Seattle show 6:00 AM.
What time is it in Seattle, WA, at the end of the working day in London?
The working day in London ends at 6:00 PM; in Seattle it is 3:00 PM at that moment.
When do working hours in London and in Seattle, WA, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 12:00 PM to 6:00 PM in London, which is 9:00 AM to 3:00 PM in Seattle.
When does the date change in Seattle, WA, compared with London?
The new day starts in Seattle later: until 3:00 AM in London, it is still the previous day there. From 9:00 PM in Seattle, London is already on the next day.
Is the time difference between London and Seattle, WA, the same all year?
Yes. Both places switch to summer time and back on the same dates, so the gap remains 3 hours.
