Ontario, CA to Montreal: time difference
Montreal is 3 h ahead of Ontario, CA. 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.
Ontario, CA 15:11 3:11 PM Montreal 18:11 6:11 PM You –:–
15:11 3:11 PM
Pacific Daylight Time · UTC-7
☀️ 06:58 · 🌙 18:15
18:11 6:11 PM
Eastern Daylight Time · UTC-4
☀️ 07:14 · 🌙 18:07
·
+3 h
Montreal is 3 h ahead of Ontario, CA.
When you, Ontario, CA 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
🇺🇸 Ontario, CA
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
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 | 🇺🇸 Ontario, CA | 🇨🇦 Montreal |
|---|---|---|
| Local time | 15:11 | 18:11 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Pacific Daylight Time | Eastern Daylight Time |
| UTC offset | UTC-7 | UTC-4 |
| Offset from Ontario, CA | — | +3 h |
| IANA zone | America/Los Angeles | America/Toronto |
| Daylight saving | On summer time → UTC-8, Nov 1, 01:00 | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 06:58 | 07:14 |
| Sunset | 18:15 | 18:07 |
| Daylight | 11 h 17 min | 10 h 53 min |
| People on this clock | 185,000 | 1,762,949 |
Compare Ontario, CA with another city
More comparisons with Ontario, CA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Ontario, CA and Montreal: common questions
How far ahead of Ontario, CA, is Montreal?
Montreal is 3 hours ahead of Ontario: UTC−4 against UTC−7.
What time is it in Montreal when it is 9:00 AM in Ontario, CA?
When it is 9:00 AM in Ontario, it is 12:00 PM in Montreal.
If it is 6:00 PM in Ontario, CA, what time is it in Montreal?
At 6:00 PM in Ontario, clocks in Montreal show 9:00 PM.
Is there a time when both Ontario, CA, and Montreal are at work?
Yes: from 9:00 AM to 3:00 PM in Ontario (12:00 PM to 6:00 PM in Montreal), the working days (9:00 AM–6:00 PM) overlap.
From what time in Ontario, CA, is it tomorrow in Montreal?
Once it is 9:00 PM in Ontario, the date in Montreal has already changed. Until 3:00 AM in Montreal, it is still the previous day in Ontario.
Is the time difference between Ontario, CA, and Montreal the same all year?
Yes. Both places switch to summer time and back on the same dates, so the gap remains 3 hours.
