Santiago to Great Falls, MT: time difference
Great Falls, MT is 3 h behind Santiago. 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.
Santiago 01:08 1:08 AM Great Falls, MT 22:08 10:08 PM You –:–
01:08 1:08 AM
Chile Summer Time · UTC-3
☀️ 07:09 · 🌙 19:52
22:08 10:08 PM
Mountain Daylight Time · UTC-6
☀️ 07:37 · 🌙 18:48
·
−3 h
Great Falls, MT is 3 h behind Santiago.
When you, Santiago 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
🇨🇱 Santiago
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
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
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Time zones side by side
| Detail | 🇨🇱 Santiago | 🇺🇸 Great Falls, MT |
|---|---|---|
| Local time | 01:08 | 22:08 |
| Local date | Sunday, October 11, 2026 | Saturday, October 10, 2026 |
| Time zone | Chile Summer Time | Mountain Daylight Time |
| UTC offset | UTC-3 | UTC-6 |
| Offset from Santiago | — | −3 h |
| IANA zone | America/Santiago | America/Denver |
| Daylight saving | On summer time → UTC-4, Apr 3, 23:00 | On summer time → UTC-7, Nov 1, 01:00 |
| Sunrise | 07:09 | 07:37 |
| Sunset | 19:52 | 18:48 |
| Daylight | 12 h 43 min | 11 h 11 min |
| People on this clock | 6,139,087 | 60,442 |
Compare Santiago with another city
More comparisons with Santiago: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Santiago and Great Falls, MT: common questions
How far behind Santiago is Great Falls, MT?
Great Falls is 3 hours behind Santiago: UTC−6 against UTC−3.
What time is it in Great Falls, MT, when it is 9:00 AM in Santiago?
When it is 9:00 AM in Santiago, it is 6:00 AM in Great Falls.
If it is 6:00 PM in Santiago, what time is it in Great Falls, MT?
At 6:00 PM in Santiago, clocks in Great Falls show 3:00 PM.
Is there a time when both Santiago and Great Falls, MT, are at work?
Yes: from 12:00 PM to 6:00 PM in Santiago (9:00 AM to 3:00 PM in Great Falls), the working days (9:00 AM–6:00 PM) overlap.
When is it still the previous day in Great Falls, MT?
Until 3:00 AM in Santiago it is still the previous day in Great Falls. The other way round, from 9:00 PM in Great Falls it is already the next day in Santiago.
Does the time difference between Santiago and Great Falls, MT, change?
Yes. Both places change their clocks, but on different dates. From November 1, 2026, Great Falls will be 4 hours behind Santiago.
