Seattle, WA to Hamilton, MT: time difference
Hamilton, MT is 1 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 07:43 7:43 AM Hamilton, MT 08:43 8:43 AM You –:–
07:43 7:43 AM
Pacific Daylight Time · UTC-7
☀️ 07:39 · 🌙 18:10
08:43 8:43 AM
Mountain Daylight Time · UTC-6
☀️ 08:04 · 🌙 18:39
·
+1 h
Hamilton, MT is 1 h ahead of Seattle, WA.
When you, Seattle, WA and Hamilton, MT 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
🇺🇸 Hamilton, MT
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 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
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Time zones side by side
| Detail | 🇺🇸 Seattle, WA | 🇺🇸 Hamilton, MT |
|---|---|---|
| Local time | 07:43 | 08:43 |
| Local date | Thursday, October 22, 2026 | Thursday, October 22, 2026 |
| Time zone | Pacific Daylight Time | Mountain Daylight Time |
| UTC offset | UTC-7 | UTC-6 |
| Offset from Seattle, WA | — | +1 h |
| IANA zone | America/Los Angeles | America/Denver |
| Daylight saving | On summer time → UTC-8, Nov 1, 01:00 | On summer time → UTC-7, Nov 1, 01:00 |
| Sunrise | 07:39 | 08:04 |
| Sunset | 18:10 | 18:39 |
| Daylight | 10 h 31 min | 10 h 35 min |
| People on this clock | 737,015 | 62,447 |
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 Hamilton, MT: common questions
How far ahead of Seattle, WA, is Hamilton, MT?
Hamilton is 1 hour ahead of Seattle: UTC−6 against UTC−7.
What time is it in Hamilton, MT, at the start of the working day in Seattle, WA?
The working day in Seattle starts at 9:00 AM; in Hamilton it is 10:00 AM at that moment.
If it is 6:00 PM in Seattle, WA, what time is it in Hamilton, MT?
At 6:00 PM in Seattle, clocks in Hamilton show 7:00 PM.
Is there a time when both Seattle, WA, and Hamilton, MT, are at work?
Yes: from 9:00 AM to 5:00 PM in Seattle (10:00 AM to 6:00 PM in Hamilton), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Hamilton, MT, compared with Seattle, WA?
The new day starts in Hamilton earlier: at 11:00 PM in Seattle it is already midnight there. Until 1:00 AM in Hamilton, Seattle is still on the previous day.
Is the time difference between Seattle, WA, and Hamilton, MT, the same all year?
Yes. Both places switch to summer time and back on the same dates, so the gap remains 1 hour.
