Great Falls, MT to Seattle, WA: time difference
Seattle, WA is 1 h behind Great Falls, MT. 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.
Great Falls, MT 22:08 10:08 PM Seattle, WA 21:08 9:08 PM You –:–
22:08 10:08 PM
Mountain Daylight Time · UTC-6
☀️ 07:37 · 🌙 18:48
21:08 9:08 PM
Pacific Daylight Time · UTC-7
☀️ 07:22 · 🌙 18:32
·
−1 h
Seattle, WA is 1 h behind Great Falls, MT.
When you, Great Falls, MT 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
🇺🇸 Great Falls, MT
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
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 21 9 PM 22 10 PM
📍 Your time
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Time zones side by side
| Detail | 🇺🇸 Great Falls, MT | 🇺🇸 Seattle, WA |
|---|---|---|
| Local time | 22:08 | 21:08 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Mountain Daylight Time | Pacific Daylight Time |
| UTC offset | UTC-6 | UTC-7 |
| Offset from Great Falls, MT | — | −1 h |
| IANA zone | America/Denver | America/Los Angeles |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | On summer time → UTC-8, Nov 1, 01:00 |
| Sunrise | 07:37 | 07:22 |
| Sunset | 18:48 | 18:32 |
| Daylight | 11 h 11 min | 11 h 11 min |
| People on this clock | 60,442 | 737,015 |
Compare Great Falls, MT with another city
More comparisons with Great Falls, MT: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Great Falls, MT and Seattle, WA: common questions
How many hours behind Great Falls, MT, is Seattle, WA?
The clocks in Seattle are 1 hour behind those in Great Falls (UTC−7 and UTC−6).
What time is it in Seattle, WA, when it is 9:00 AM in Great Falls, MT?
When it is 9:00 AM in Great Falls, it is 8:00 AM in Seattle.
What time is it in Seattle, WA, when it is 6:00 PM in Great Falls, MT?
When it is 6:00 PM in Great Falls, it is 5:00 PM in Seattle.
When do working hours in Great Falls, MT, and in Seattle, WA, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Great Falls, which is 9:00 AM to 5:00 PM in Seattle.
When does the date change in Seattle, WA, compared with Great Falls, MT?
The new day starts in Seattle later: until 1:00 AM in Great Falls, it is still the previous day there. From 11:00 PM in Seattle, Great Falls is already on the next day.
Does the time difference between Great Falls, MT, and Seattle, WA, change?
No. The clocks in Great Falls and in Seattle change on the same dates, so the difference stays 1 hour.
