St. Thomas to Seattle, WA: time difference
Seattle, WA is 3 h behind St. Thomas. 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.
St. Thomas 21:31 9:31 PM Seattle, WA 18:31 6:31 PM You –:–
21:31 9:31 PM
Eastern Daylight Time · UTC-4
☀️ 07:37 · 🌙 18:46
18:31 6:31 PM
Pacific Daylight Time · UTC-7
☀️ 07:27 · 🌙 18:25
·
−3 h
Seattle, WA is 3 h behind St. Thomas.
When you, St. Thomas 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
🇨🇦 St. Thomas
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
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Time zones side by side
| Detail | 🇨🇦 St. Thomas | 🇺🇸 Seattle, WA |
|---|---|---|
| Local time | 21:31 | 18:31 |
| Local date | Wednesday, October 14, 2026 | Wednesday, October 14, 2026 |
| Time zone | Eastern Daylight Time | Pacific Daylight Time |
| UTC offset | UTC-4 | UTC-7 |
| Offset from St. Thomas | — | −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 | 07:37 | 07:27 |
| Sunset | 18:46 | 18:25 |
| Daylight | 11 h 8 min | 10 h 57 min |
| People on this clock | 38,909 | 737,015 |
Compare St. Thomas with another city
More comparisons with St. Thomas: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
St. Thomas and Seattle, WA: common questions
What is the time difference between St. Thomas and Seattle, WA?
Seattle is 3 hours behind: it uses UTC−7, while St. Thomas is on UTC−4.
What time is it in Seattle, WA, at the start of the working day in St. Thomas?
The working day in St. Thomas starts at 9:00 AM; in Seattle it is 6:00 AM at that moment.
What time is it in Seattle, WA, when it is 6:00 PM in St. Thomas?
When it is 6:00 PM in St. Thomas, it is 3:00 PM in Seattle.
Is there a time when both St. Thomas and Seattle, WA, are at work?
Yes: from 12:00 PM to 6:00 PM in St. Thomas (9:00 AM to 3:00 PM in Seattle), the working days (9:00 AM–6:00 PM) overlap.
When is it still the previous day in Seattle, WA?
Until 3:00 AM in St. Thomas it is still the previous day in Seattle. The other way round, from 9:00 PM in Seattle it is already the next day in St. Thomas.
Is the time difference between St. Thomas 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.
