Hamilton to Seattle, WA: time difference
Seattle, WA is 3 h behind Hamilton. 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.
Hamilton 04:15 4:15 AM Seattle, WA 01:15 1:15 AM You –:–
04:15 4:15 AM
Eastern Daylight Time · UTC-4
☀️ 07:28 · 🌙 18:47
01:15 1:15 AM
Pacific Daylight Time · UTC-7
☀️ 07:22 · 🌙 18:32
·
−3 h
Seattle, WA is 3 h behind Hamilton.
When you, Hamilton 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
🇨🇦 Hamilton
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 | 🇨🇦 Hamilton | 🇺🇸 Seattle, WA |
|---|---|---|
| Local time | 04:15 | 01:15 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Eastern Daylight Time | Pacific Daylight Time |
| UTC offset | UTC-4 | UTC-7 |
| Offset from Hamilton | — | −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 | 07:28 | 07:22 |
| Sunset | 18:47 | 18:32 |
| Daylight | 11 h 19 min | 11 h 11 min |
| People on this clock | 519,949 | 737,015 |
Compare Hamilton with another city
More comparisons with Hamilton: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Hamilton and Seattle, WA: common questions
What is the time difference between Hamilton and Seattle, WA?
Seattle is 3 hours behind: it uses UTC−7, while Hamilton is on UTC−4.
What time is it in Seattle, WA, at the start of the working day in Hamilton?
The working day in Hamilton starts at 9:00 AM; in Seattle it is 6:00 AM at that moment.
What time is it in Seattle, WA, at the end of the working day in Hamilton?
The working day in Hamilton ends at 6:00 PM; in Seattle it is 3:00 PM at that moment.
When is a good time to call Seattle, WA, from Hamilton?
Between 12:00 PM and 6:00 PM in Hamilton – 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 Hamilton?
The new day starts in Seattle later: until 3:00 AM in Hamilton, it is still the previous day there. From 9:00 PM in Seattle, Hamilton is already on the next day.
Does the time gap between Hamilton and Seattle, WA, change during the year?
No – both places switch to and from summer time on the same dates, so the gap stays 3 hours.
