Chiang Mai to Great Falls, MT: time difference
Great Falls, MT is 13 h behind Chiang Mai. 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.
Chiang Mai 11:09 11:09 AM Great Falls, MT 22:09 10:09 PM You –:–
11:09 11:09 AM
Indochina Time · UTC+7
☀️ 06:17 · 🌙 18:06
22:09 10:09 PM
Mountain Daylight Time · UTC-6
☀️ 07:37 · 🌙 18:48
·
−13 h
Great Falls, MT is 13 h behind Chiang Mai.
When you, Chiang Mai and Great Falls, 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
🇹🇭 Chiang Mai
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
🇺🇸 Great Falls, MT
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 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
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Time zones side by side
| Detail | 🇹🇭 Chiang Mai | 🇺🇸 Great Falls, MT |
|---|---|---|
| Local time | 11:09 | 22:09 |
| Local date | Sunday, October 11, 2026 | Saturday, October 10, 2026 |
| Time zone | Indochina Time | Mountain Daylight Time |
| UTC offset | UTC+7 | UTC-6 |
| Offset from Chiang Mai | — | −13 h |
| IANA zone | Asia/Bangkok | America/Denver |
| Daylight saving | Not observed | On summer time → UTC-7, Nov 1, 01:00 |
| Sunrise | 06:17 | 07:37 |
| Sunset | 18:06 | 18:48 |
| Daylight | 11 h 48 min | 11 h 11 min |
| People on this clock | 127,240 | 60,442 |
Compare Chiang Mai with another city
More comparisons with Chiang Mai: the time zones next to it and the far side of the clock.
Big time differences
Chiang Mai and Great Falls, MT: common questions
What is the time difference between Chiang Mai and Great Falls, MT?
Great Falls is 13 hours behind: it uses UTC−6, while Chiang Mai is on UTC+7.
What time is it in Great Falls, MT, when it is 9:00 AM in Chiang Mai?
When it is 9:00 AM in Chiang Mai, it is 8:00 PM (the previous day) in Great Falls.
What time is it in Great Falls, MT, when it is 6:00 PM in Chiang Mai?
When it is 6:00 PM in Chiang Mai, it is 5:00 AM in Great Falls.
When is a good time to call Great Falls, MT, from Chiang Mai?
Working hours (9:00 AM–6:00 PM) in Chiang Mai and in Great Falls do not overlap. At 9:00 AM in Chiang Mai it is 8:00 PM (the previous day) in Great Falls; when the working day starts in Great Falls, it is 10:00 PM in Chiang Mai.
When is it still the previous day in Great Falls, MT?
Until 1:00 PM in Chiang Mai it is still the previous day in Great Falls. The other way round, from 11:00 AM in Great Falls it is already the next day in Chiang Mai.
Is the time difference between Chiang Mai and Great Falls, MT, the same all year?
No. Only Great Falls switches to summer time, so the gap changes twice a year. From November 1, 2026, Great Falls will be 14 hours behind Chiang Mai.
