Seattle, WA to Grimsby: time difference
Grimsby 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 13:32 1:32 PM Grimsby 16:32 4:32 PM You –:–
13:32 1:32 PM
Pacific Daylight Time · UTC-7
☀️ 07:27 · 🌙 18:25
16:32 4:32 PM
Eastern Daylight Time · UTC-4
☀️ 07:31 · 🌙 18:39
·
+3 h
Grimsby is 3 h ahead of Seattle, WA.
When you, Seattle, WA and Grimsby 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
🇨🇦 Grimsby
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
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- Working hours
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Time zones side by side
| Detail | 🇺🇸 Seattle, WA | 🇨🇦 Grimsby |
|---|---|---|
| Local time | 13:32 | 16:32 |
| Local date | Wednesday, October 14, 2026 | Wednesday, October 14, 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 | 07:31 |
| Sunset | 18:25 | 18:39 |
| Daylight | 10 h 57 min | 11 h 7 min |
| People on this clock | 737,015 | 28,883 |
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 Grimsby: common questions
How many hours ahead of Seattle, WA, is Grimsby?
The clocks in Grimsby are 3 hours ahead of those in Seattle (UTC−4 and UTC−7).
What time is it in Grimsby when it is 9:00 AM in Seattle, WA?
When it is 9:00 AM in Seattle, it is 12:00 PM in Grimsby.
What time is it in Grimsby when it is 6:00 PM in Seattle, WA?
When it is 6:00 PM in Seattle, it is 9:00 PM in Grimsby.
When do working hours in Seattle, WA, and in Grimsby overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 3:00 PM in Seattle, which is 12:00 PM to 6:00 PM in Grimsby.
From what time in Seattle, WA, is it tomorrow in Grimsby?
Once it is 9:00 PM in Seattle, the date in Grimsby has already changed. Until 3:00 AM in Grimsby, it is still the previous day in Seattle.
Does the time gap between Seattle, WA, and Grimsby change during the year?
No – both places switch to and from summer time on the same dates, so the gap stays 3 hours.
