Boulder, CO to Montreal: time difference
Montreal is 2 h ahead of Boulder, CO. 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.
Boulder, CO 15:26 3:26 PM Montreal 17:26 5:26 PM You –:–
15:26 3:26 PM
Mountain Daylight Time · UTC-6
☀️ 07:19 · 🌙 18:17
17:26 5:26 PM
Eastern Daylight Time · UTC-4
☀️ 07:18 · 🌙 18:02
·
+2 h
Montreal is 2 h ahead of Boulder, CO.
When you, Boulder, CO and Montreal are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Boulder, CO
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
🇨🇦 Montreal
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 0 12 AM 1 1 AM
📍 Your time
- Asleep
- Early
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Time zones side by side
| Detail | 🇺🇸 Boulder, CO | 🇨🇦 Montreal |
|---|---|---|
| Local time | 15:26 | 17:26 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Mountain Daylight Time | Eastern Daylight Time |
| UTC offset | UTC-6 | UTC-4 |
| Offset from Boulder, CO | — | +2 h |
| IANA zone | America/Denver | America/Toronto |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 07:19 | 07:18 |
| Sunset | 18:17 | 18:02 |
| Daylight | 10 h 58 min | 10 h 44 min |
| People on this clock | 106,803 | 1,762,949 |
Compare Boulder, CO with another city
More comparisons with Boulder, CO: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Boulder, CO and Montreal: common questions
How far ahead of Boulder, CO, is Montreal?
Montreal is 2 hours ahead of Boulder: UTC−4 against UTC−6.
What time is it in Montreal when it is 9:00 AM in Boulder, CO?
When it is 9:00 AM in Boulder, it is 11:00 AM in Montreal.
If it is 6:00 PM in Boulder, CO, what time is it in Montreal?
At 6:00 PM in Boulder, clocks in Montreal show 8:00 PM.
When do working hours in Boulder, CO, and in Montreal overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 4:00 PM in Boulder, which is 11:00 AM to 6:00 PM in Montreal.
When is it already the next day in Montreal?
From 10:00 PM in Boulder, CO, it is already the next day in Montreal. The other way round, until 2:00 AM in Montreal it is still the previous day in Boulder.
Does the time gap between Boulder, CO, and Montreal change during the year?
No – both places switch to and from summer time on the same dates, so the gap stays 2 hours.
