San Mateo, CA to Montreal: time difference
Montreal is 3 h ahead of San Mateo, 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.
San Mateo, CA 11:36 11:36 AM Montreal 14:36 2:36 PM You –:–
11:36 11:36 AM
Pacific Daylight Time · UTC-7
☀️ 07:21 · 🌙 18:29
14:36 2:36 PM
Eastern Daylight Time · UTC-4
☀️ 07:15 · 🌙 18:05
·
+3 h
Montreal is 3 h ahead of San Mateo, CA.
When you, San Mateo, 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
🇺🇸 San Mateo, 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 | 🇺🇸 San Mateo, CA | 🇨🇦 Montreal |
|---|---|---|
| Local time | 11:36 | 14:36 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Pacific Daylight Time | Eastern Daylight Time |
| UTC offset | UTC-7 | UTC-4 |
| Offset from San Mateo, 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 | 07:21 | 07:15 |
| Sunset | 18:29 | 18:05 |
| Daylight | 11 h 8 min | 10 h 50 min |
| People on this clock | 103,536 | 1,762,949 |
Compare San Mateo, CA with another city
More comparisons with San Mateo, CA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
San Mateo, CA and Montreal: common questions
What is the time difference between San Mateo, CA, and Montreal?
Montreal is 3 hours ahead: it uses UTC−4, while San Mateo is on UTC−7.
If it is 9:00 AM in San Mateo, CA, what time is it in Montreal?
At 9:00 AM in San Mateo, clocks in Montreal show 12:00 PM.
If it is 6:00 PM in San Mateo, CA, what time is it in Montreal?
At 6:00 PM in San Mateo, clocks in Montreal show 9:00 PM.
Is there a time when both San Mateo, CA, and Montreal are at work?
Yes: from 9:00 AM to 3:00 PM in San Mateo (12:00 PM to 6:00 PM in Montreal), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in Montreal?
From 9:00 PM in San Mateo, CA, it is already the next day in Montreal. The other way round, until 3:00 AM in Montreal it is still the previous day in San Mateo.
Is the time difference between San Mateo, 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.
