Seattle, WA to London: time difference
London is 3 h ahead of Seattle, WA. 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.
Seattle, WA 01:45 1:45 AM London 04:45 4:45 AM You –:–
01:45 1:45 AM
Pacific Daylight Time · UTC-7
☀️ 07:22 · 🌙 18:32
04:45 4:45 AM
Eastern Daylight Time · UTC-4
☀️ 07:33 · 🌙 18:52
·
+3 h
London is 3 h ahead of Seattle, WA.
When you, Seattle, WA and London are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Seattle, WA
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
🇨🇦 London
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 0 12 AM 1 1 AM 2 2 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Seattle, WA | 🇨🇦 London |
|---|---|---|
| Local time | 01:45 | 04:45 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Pacific Daylight Time | Eastern Daylight Time |
| UTC offset | UTC-7 | UTC-4 |
| Offset from Seattle, WA | — | +3 h |
| IANA zone | America/Los Angeles | America/Toronto |
| Daylight saving | On summer time → UTC-8, Nov 1, 01:00 | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 07:22 | 07:33 |
| Sunset | 18:32 | 18:52 |
| Daylight | 11 h 11 min | 11 h 19 min |
| People on this clock | 737,015 | 383,822 |
Compare Seattle, WA with another city
More comparisons with Seattle, WA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Seattle, WA and London: common questions
How many hours ahead of Seattle, WA, is London?
The clocks in London are 3 hours ahead of those in Seattle (UTC−4 and UTC−7).
What time is it in London at the start of the working day in Seattle, WA?
The working day in Seattle starts at 9:00 AM; in London it is 12:00 PM at that moment.
What time is it in London when it is 6:00 PM in Seattle, WA?
When it is 6:00 PM in Seattle, it is 9:00 PM in London.
When is a good time to call London from Seattle, WA?
Between 9:00 AM and 3:00 PM in Seattle – that is 12:00 PM to 6:00 PM in London – both places are within working hours (9:00 AM–6:00 PM).
When is it already the next day in London?
From 9:00 PM in Seattle, WA, it is already the next day in London. The other way round, until 3:00 AM in London it is still the previous day in Seattle.
Does the time gap between Seattle, WA, and London change during the year?
No – both places switch to and from summer time on the same dates, so the gap stays 3 hours.
