Great Falls, MT to Santiago: time difference
Santiago is 3 h ahead of 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 21:11 9:11 PM Santiago 00:11 12:11 AM You –:–
21:11 9:11 PM
Mountain Daylight Time · UTC-6
☀️ 07:37 · 🌙 18:48
00:11 12:11 AM
Chile Summer Time · UTC-3
☀️ 07:09 · 🌙 19:52
·
+3 h
Santiago is 3 h ahead of Great Falls, MT.
When you, Great Falls, MT and Santiago 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
🇨🇱 Santiago
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 1 1 AM 2 2 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Great Falls, MT | 🇨🇱 Santiago |
|---|---|---|
| Local time | 21:11 | 00:11 |
| Local date | Saturday, October 10, 2026 | Sunday, October 11, 2026 |
| Time zone | Mountain Daylight Time | Chile Summer Time |
| UTC offset | UTC-6 | UTC-3 |
| Offset from Great Falls, MT | — | +3 h |
| IANA zone | America/Denver | America/Santiago |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | On summer time → UTC-4, Apr 3, 23:00 |
| Sunrise | 07:37 | 07:09 |
| Sunset | 18:48 | 19:52 |
| Daylight | 11 h 11 min | 12 h 43 min |
| People on this clock | 60,442 | 6,139,087 |
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 Santiago: common questions
How far ahead of Great Falls, MT, is Santiago?
Santiago is 3 hours ahead of Great Falls: UTC−3 against UTC−6.
What time is it in Santiago when it is 9:00 AM in Great Falls, MT?
When it is 9:00 AM in Great Falls, it is 12:00 PM in Santiago.
What time is it in Santiago at the end of the working day in Great Falls, MT?
The working day in Great Falls ends at 6:00 PM; in Santiago it is 9:00 PM at that moment.
When do working hours in Great Falls, MT, and in Santiago overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 3:00 PM in Great Falls, which is 12:00 PM to 6:00 PM in Santiago.
When does the date change in Santiago compared with Great Falls, MT?
The new day starts in Santiago earlier: at 9:00 PM in Great Falls it is already midnight there. Until 3:00 AM in Santiago, Great Falls is still on the previous day.
Is the time difference between Great Falls, MT, and Santiago the same all year?
No. Both places use summer time, but they switch on different dates, so for a while the gap changes. From November 1, 2026, Santiago will be 4 hours ahead of Great Falls.
