Thunder Bay to Seattle, WA: time difference
Seattle, WA is 3 h behind Thunder Bay. 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.
Thunder Bay 07:16 7:16 AM Seattle, WA 04:16 4:16 AM You –:–
07:16 7:16 AM
Eastern Daylight Time · UTC-4
☀️ 08:22 · 🌙 19:04
04:16 4:16 AM
Pacific Daylight Time · UTC-7
☀️ 07:33 · 🌙 18:17
·
−3 h
Seattle, WA is 3 h behind Thunder Bay.
When you, Thunder Bay 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
🇨🇦 Thunder Bay
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 | 🇨🇦 Thunder Bay | 🇺🇸 Seattle, WA |
|---|---|---|
| Local time | 07:16 | 04:16 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Eastern Daylight Time | Pacific Daylight Time |
| UTC offset | UTC-4 | UTC-7 |
| Offset from Thunder Bay | — | −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 | 08:22 | 07:33 |
| Sunset | 19:04 | 18:17 |
| Daylight | 10 h 42 min | 10 h 44 min |
| People on this clock | 107,909 | 737,015 |
Compare Thunder Bay with another city
More comparisons with Thunder Bay: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Thunder Bay and Seattle, WA: common questions
How far behind Thunder Bay is Seattle, WA?
Seattle is 3 hours behind Thunder Bay: UTC−7 against UTC−4.
What time is it in Seattle, WA, at the start of the working day in Thunder Bay?
The working day in Thunder Bay starts at 9:00 AM; in Seattle it is 6:00 AM at that moment.
If it is 6:00 PM in Thunder Bay, what time is it in Seattle, WA?
At 6:00 PM in Thunder Bay, clocks in Seattle show 3:00 PM.
When is a good time to call Seattle, WA, from Thunder Bay?
Between 12:00 PM and 6:00 PM in Thunder Bay – that is 9:00 AM to 3:00 PM in Seattle – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Seattle, WA, compared with Thunder Bay?
The new day starts in Seattle later: until 3:00 AM in Thunder Bay, it is still the previous day there. From 9:00 PM in Seattle, Thunder Bay is already on the next day.
Does the time difference between Thunder Bay and Seattle, WA, change?
No. The clocks in Thunder Bay and in Seattle change on the same dates, so the difference stays 3 hours.
