Castro Valley, CA to San Jose: time difference
San Jose is 1 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 San Jose 03:30 3:30 AM You –:–
02:30 2:30 AM
Pacific Daylight Time · UTC-7
☀️ 07:24 · 🌙 18:23
03:30 3:30 AM
Central Standard Time · UTC-6
☀️ 05:26 · 🌙 17:17
·
+1 h
San Jose is 1 h ahead of Castro Valley, CA.
When you, Castro Valley, CA and San Jose 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
🇨🇷 San Jose
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 0 12 AM
📍 Your time
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Time zones side by side
| Detail | 🇺🇸 Castro Valley, CA | 🇨🇷 San Jose |
|---|---|---|
| Local time | 02:30 | 03:30 |
| Local date | Thursday, October 22, 2026 | Thursday, October 22, 2026 |
| Time zone | Pacific Daylight Time | Central Standard Time |
| UTC offset | UTC-7 | UTC-6 |
| Offset from Castro Valley, CA | — | +1 h |
| IANA zone | America/Los Angeles | America/Costa Rica |
| Daylight saving | On summer time → UTC-8, Nov 1, 01:00 | Not observed |
| Sunrise | 07:24 | 05:26 |
| Sunset | 18:23 | 17:17 |
| Daylight | 10 h 59 min | 11 h 51 min |
| People on this clock | 61,388 | 342,188 |
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 San Jose: common questions
How many hours ahead of Castro Valley, CA, is San Jose?
The clocks in San Jose are 1 hour ahead of those in Castro Valley (UTC−6 and UTC−7).
If it is 9:00 AM in Castro Valley, CA, what time is it in San Jose?
At 9:00 AM in Castro Valley, clocks in San Jose show 10:00 AM.
What time is it in San Jose at the end of the working day in Castro Valley, CA?
The working day in Castro Valley ends at 6:00 PM; in San Jose it is 7:00 PM at that moment.
When do working hours in Castro Valley, CA, and in San Jose overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Castro Valley, which is 10:00 AM to 6:00 PM in San Jose.
When does the date change in San Jose compared with Castro Valley, CA?
The new day starts in San Jose earlier: at 11:00 PM in Castro Valley it is already midnight there. Until 1:00 AM in San Jose, Castro Valley is still on the previous day.
Does the time difference between Castro Valley, CA, and San Jose change?
Yes. The clocks change only in Castro Valley. From November 1, 2026, San Jose will be 2 hours ahead of Castro Valley.
