Montreal to Great Falls, MT: time difference
Great Falls, MT is 2 h behind Montreal. 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.
Montreal 01:03 1:03 AM Great Falls, MT 23:03 11:03 PM You –:–
01:03 1:03 AM
Eastern Daylight Time · UTC-4
☀️ 07:06 · 🌙 18:18
23:03 11:03 PM
Mountain Daylight Time · UTC-6
☀️ 07:37 · 🌙 18:48
·
−2 h
Great Falls, MT is 2 h behind Montreal.
When you, Montreal 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
🇨🇦 Montreal
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
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 21 9 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇨🇦 Montreal | 🇺🇸 Great Falls, MT |
|---|---|---|
| Local time | 01:03 | 23:03 |
| Local date | Sunday, October 11, 2026 | Saturday, October 10, 2026 |
| Time zone | Eastern Daylight Time | Mountain Daylight Time |
| UTC offset | UTC-4 | UTC-6 |
| Offset from Montreal | — | −2 h |
| IANA zone | America/Toronto | America/Denver |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | On summer time → UTC-7, Nov 1, 01:00 |
| Sunrise | 07:06 | 07:37 |
| Sunset | 18:18 | 18:48 |
| Daylight | 11 h 12 min | 11 h 11 min |
| People on this clock | 1,762,949 | 60,442 |
Compare Montreal with another city
More comparisons with Montreal: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Montreal and Great Falls, MT: common questions
How many hours behind Montreal is Great Falls, MT?
The clocks in Great Falls are 2 hours behind those in Montreal (UTC−6 and UTC−4).
What time is it in Great Falls, MT, when it is 9:00 AM in Montreal?
When it is 9:00 AM in Montreal, it is 7:00 AM in Great Falls.
If it is 6:00 PM in Montreal, what time is it in Great Falls, MT?
At 6:00 PM in Montreal, clocks in Great Falls show 4:00 PM.
Is there a time when both Montreal and Great Falls, MT, are at work?
Yes: from 11:00 AM to 6:00 PM in Montreal (9:00 AM to 4:00 PM in Great Falls), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Montreal is it still yesterday in Great Falls, MT?
Before 2:00 AM in Montreal, the date in Great Falls has not changed yet. From 10:00 PM in Great Falls, it is already the next day in Montreal.
Does the time gap between Montreal and Great Falls, MT, change during the year?
No – both places switch to and from summer time on the same dates, so the gap stays 2 hours.
