Toronto to Castro Valley, CA: time difference
Castro Valley, CA is 3 h behind Toronto. 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.
Toronto 04:03 4:03 AM Castro Valley, CA 01:03 1:03 AM You –:–
04:03 4:03 AM
Eastern Daylight Time · UTC-4
☀️ 07:41 · 🌙 18:24
01:03 1:03 AM
Pacific Daylight Time · UTC-7
☀️ 07:23 · 🌙 18:24
·
−3 h
Castro Valley, CA is 3 h behind Toronto.
When you, Toronto and Castro Valley, CA are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇨🇦 Toronto
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
🇺🇸 Castro Valley, CA
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 | 🇨🇦 Toronto | 🇺🇸 Castro Valley, CA |
|---|---|---|
| Local time | 04:03 | 01:03 |
| Local date | Thursday, October 22, 2026 | Thursday, October 22, 2026 |
| Time zone | Eastern Daylight Time | Pacific Daylight Time |
| UTC offset | UTC-4 | UTC-7 |
| Offset from Toronto | — | −3 h |
| IANA zone | America/Toronto | America/Los Angeles |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | On summer time → UTC-8, Nov 1, 01:00 |
| Sunrise | 07:41 | 07:23 |
| Sunset | 18:24 | 18:24 |
| Daylight | 10 h 43 min | 11 h 1 min |
| People on this clock | 2,731,571 | 61,388 |
Compare Toronto with another city
More comparisons with Toronto: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Toronto and Castro Valley, CA: common questions
How far behind Toronto is Castro Valley, CA?
Castro Valley is 3 hours behind Toronto: UTC−7 against UTC−4.
If it is 9:00 AM in Toronto, what time is it in Castro Valley, CA?
At 9:00 AM in Toronto, clocks in Castro Valley show 6:00 AM.
If it is 6:00 PM in Toronto, what time is it in Castro Valley, CA?
At 6:00 PM in Toronto, clocks in Castro Valley show 3:00 PM.
Is there a time when both Toronto and Castro Valley, CA, are at work?
Yes: from 12:00 PM to 6:00 PM in Toronto (9:00 AM to 3:00 PM in Castro Valley), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Toronto is it still yesterday in Castro Valley, CA?
Before 3:00 AM in Toronto, the date in Castro Valley has not changed yet. From 9:00 PM in Castro Valley, it is already the next day in Toronto.
Does the time gap between Toronto and Castro Valley, CA, change during the year?
No – both places switch to and from summer time on the same dates, so the gap stays 3 hours.
