Seattle, WA to St. Thomas: time difference
St. Thomas 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 21:13 9:13 PM St. Thomas 00:13 12:13 AM You –:–
21:13 9:13 PM
Pacific Daylight Time · UTC-7
☀️ 07:27 · 🌙 18:25
00:13 12:13 AM
Eastern Daylight Time · UTC-4
☀️ 07:37 · 🌙 18:46
·
+3 h
St. Thomas is 3 h ahead of Seattle, WA.
When you, Seattle, WA and St. Thomas 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
🇨🇦 St. Thomas
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 | 🇨🇦 St. Thomas |
|---|---|---|
| Local time | 21:13 | 00:13 |
| Local date | Wednesday, October 14, 2026 | Thursday, October 15, 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 | 07:27 | 07:37 |
| Sunset | 18:25 | 18:46 |
| Daylight | 10 h 57 min | 11 h 8 min |
| People on this clock | 737,015 | 38,909 |
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 St. Thomas: common questions
What is the time difference between Seattle, WA, and St. Thomas?
St. Thomas is 3 hours ahead: it uses UTC−4, while Seattle is on UTC−7.
What time is it in St. Thomas at the start of the working day in Seattle, WA?
The working day in Seattle starts at 9:00 AM; in St. Thomas it is 12:00 PM at that moment.
If it is 6:00 PM in Seattle, WA, what time is it in St. Thomas?
At 6:00 PM in Seattle, clocks in St. Thomas show 9:00 PM.
Is there a time when both Seattle, WA, and St. Thomas are at work?
Yes: from 9:00 AM to 3:00 PM in Seattle (12:00 PM to 6:00 PM in St. Thomas), the working days (9:00 AM–6:00 PM) overlap.
From what time in Seattle, WA, is it tomorrow in St. Thomas?
Once it is 9:00 PM in Seattle, the date in St. Thomas has already changed. Until 3:00 AM in St. Thomas, it is still the previous day in Seattle.
Is the time difference between Seattle, WA, and St. Thomas the same all year?
Yes. Both places switch to summer time and back on the same dates, so the gap remains 3 hours.
