Montevideo to Great Falls, MT: time difference
Great Falls, MT is 3 h behind Montevideo. 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.
Montevideo 01:07 1:07 AM Great Falls, MT 22:07 10:07 PM You –:–
01:07 1:07 AM
Uruguay Standard Time · UTC-3
☀️ 06:08 · 🌙 18:56
22:07 10:07 PM
Mountain Daylight Time · UTC-6
☀️ 07:37 · 🌙 18:48
·
−3 h
Great Falls, MT is 3 h behind Montevideo.
When you, Montevideo 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
🇺🇾 Montevideo
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
- Working hours
- Evening
- Both working
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Time zones side by side
| Detail | 🇺🇾 Montevideo | 🇺🇸 Great Falls, MT |
|---|---|---|
| Local time | 01:07 | 22:07 |
| Local date | Sunday, October 11, 2026 | Saturday, October 10, 2026 |
| Time zone | Uruguay Standard Time | Mountain Daylight Time |
| UTC offset | UTC-3 | UTC-6 |
| Offset from Montevideo | — | −3 h |
| IANA zone | America/Montevideo | America/Denver |
| Daylight saving | Not observed | On summer time → UTC-7, Nov 1, 01:00 |
| Sunrise | 06:08 | 07:37 |
| Sunset | 18:56 | 18:48 |
| Daylight | 12 h 48 min | 11 h 11 min |
| People on this clock | 1,319,108 | 60,442 |
Compare Montevideo with another city
More comparisons with Montevideo: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Montevideo and Great Falls, MT: common questions
How many hours behind Montevideo is Great Falls, MT?
The clocks in Great Falls are 3 hours behind those in Montevideo (UTC−6 and UTC−3).
If it is 9:00 AM in Montevideo, what time is it in Great Falls, MT?
At 9:00 AM in Montevideo, clocks in Great Falls show 6:00 AM.
If it is 6:00 PM in Montevideo, what time is it in Great Falls, MT?
At 6:00 PM in Montevideo, clocks in Great Falls show 3:00 PM.
Is there a time when both Montevideo and Great Falls, MT, are at work?
Yes: from 12:00 PM to 6:00 PM in Montevideo (9:00 AM to 3:00 PM in Great Falls), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Great Falls, MT, compared with Montevideo?
The new day starts in Great Falls later: until 3:00 AM in Montevideo, it is still the previous day there. From 9:00 PM in Great Falls, Montevideo is already on the next day.
Does the time difference between Montevideo and Great Falls, MT, change?
Yes. The clocks change only in Great Falls. From November 1, 2026, Great Falls will be 4 hours behind Montevideo.
