Montreal to Sierra Vista, AZ: time difference
Sierra Vista, AZ is 3 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 07:44 7:44 AM Sierra Vista, AZ 04:44 4:44 AM You –:–
07:44 7:44 AM
Eastern Daylight Time · UTC-4
☀️ 07:20 · 🌙 17:58
04:44 4:44 AM
Mountain Standard Time · UTC-7
☀️ 06:30 · 🌙 17:43
·
−3 h
Sierra Vista, AZ is 3 h behind Montreal.
When you, Montreal and Sierra Vista, AZ 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
🇺🇸 Sierra Vista, AZ
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
- Right now
Time zones side by side
| Detail | 🇨🇦 Montreal | 🇺🇸 Sierra Vista, AZ |
|---|---|---|
| Local time | 07:44 | 04:44 |
| Local date | Thursday, October 22, 2026 | Thursday, October 22, 2026 |
| Time zone | Eastern Daylight Time | Mountain Standard Time |
| UTC offset | UTC-4 | UTC-7 |
| Offset from Montreal | — | −3 h |
| IANA zone | America/Toronto | America/Phoenix |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:20 | 06:30 |
| Sunset | 17:58 | 17:43 |
| Daylight | 10 h 38 min | 11 h 13 min |
| People on this clock | 1,762,949 | 45,308 |
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 Sierra Vista, AZ: common questions
What is the time difference between Montreal and Sierra Vista, AZ?
Sierra Vista is 3 hours behind: it uses UTC−7, while Montreal is on UTC−4.
What time is it in Sierra Vista, AZ, at the start of the working day in Montreal?
The working day in Montreal starts at 9:00 AM; in Sierra Vista it is 6:00 AM at that moment.
What time is it in Sierra Vista, AZ, at the end of the working day in Montreal?
The working day in Montreal ends at 6:00 PM; in Sierra Vista it is 3:00 PM at that moment.
When do working hours in Montreal and in Sierra Vista, AZ, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 12:00 PM to 6:00 PM in Montreal, which is 9:00 AM to 3:00 PM in Sierra Vista.
When does the date change in Sierra Vista, AZ, compared with Montreal?
The new day starts in Sierra Vista later: until 3:00 AM in Montreal, it is still the previous day there. From 9:00 PM in Sierra Vista, Montreal is already on the next day.
Does the time gap between Montreal and Sierra Vista, AZ, change during the year?
Yes – daylight saving time is used in Montreal but not in Sierra Vista. From November 1, 2026, Sierra Vista will be 2 hours behind Montreal.
