Castro Valley, CA to Montreal: time difference
Montreal is 3 h ahead of Castro Valley, 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.
Castro Valley, CA 02:30 2:30 AM Montreal 05:30 5:30 AM You –:–
02:30 2:30 AM
Pacific Daylight Time · UTC-7
☀️ 07:24 · 🌙 18:23
05:30 5:30 AM
Eastern Daylight Time · UTC-4
☀️ 07:20 · 🌙 17:58
·
+3 h
Montreal is 3 h ahead of Castro Valley, CA.
When you, Castro Valley, 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
🇺🇸 Castro Valley, 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
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Time zones side by side
| Detail | 🇺🇸 Castro Valley, CA | 🇨🇦 Montreal |
|---|---|---|
| Local time | 02:30 | 05:30 |
| Local date | Thursday, October 22, 2026 | Thursday, October 22, 2026 |
| Time zone | Pacific Daylight Time | Eastern Daylight Time |
| UTC offset | UTC-7 | UTC-4 |
| Offset from Castro Valley, 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 | 07:24 | 07:20 |
| Sunset | 18:23 | 17:58 |
| Daylight | 10 h 59 min | 10 h 38 min |
| People on this clock | 61,388 | 1,762,949 |
Compare Castro Valley, CA with another city
More comparisons with Castro Valley, CA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Castro Valley, CA and Montreal: common questions
How far ahead of Castro Valley, CA, is Montreal?
Montreal is 3 hours ahead of Castro Valley: UTC−4 against UTC−7.
What time is it in Montreal at the start of the working day in Castro Valley, CA?
The working day in Castro Valley starts at 9:00 AM; in Montreal it is 12:00 PM at that moment.
If it is 6:00 PM in Castro Valley, CA, what time is it in Montreal?
At 6:00 PM in Castro Valley, clocks in Montreal show 9:00 PM.
Is there a time when both Castro Valley, CA, and Montreal are at work?
Yes: from 9:00 AM to 3:00 PM in Castro Valley (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 Castro Valley, 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 Castro Valley.
Is the time difference between Castro Valley, 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.
