Fontana, CA to San Jose: time difference
San Jose is 1 h ahead of Fontana, 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.
Fontana, CA 11:42 11:42 AM San Jose 12:42 12:42 PM You –:–
11:42 11:42 AM
Pacific Daylight Time · UTC-7
☀️ 07:00 · 🌙 18:11
12:42 12:42 PM
Central Standard Time · UTC-6
☀️ 05:26 · 🌙 17:18
·
+1 h
San Jose is 1 h ahead of Fontana, CA.
When you, Fontana, 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
🇺🇸 Fontana, 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
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Fontana, CA | 🇨🇷 San Jose |
|---|---|---|
| Local time | 11:42 | 12:42 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Pacific Daylight Time | Central Standard Time |
| UTC offset | UTC-7 | UTC-6 |
| Offset from Fontana, 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 | 07:00 | 05:26 |
| Sunset | 18:11 | 17:18 |
| Daylight | 11 h 11 min | 11 h 52 min |
| People on this clock | 210,000 | 342,188 |
Compare Fontana, CA with another city
More comparisons with Fontana, CA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Fontana, CA and San Jose: common questions
How many hours ahead of Fontana, CA, is San Jose?
The clocks in San Jose are 1 hour ahead of those in Fontana (UTC−6 and UTC−7).
If it is 9:00 AM in Fontana, CA, what time is it in San Jose?
At 9:00 AM in Fontana, clocks in San Jose show 10:00 AM.
What time is it in San Jose at the end of the working day in Fontana, CA?
The working day in Fontana ends at 6:00 PM; in San Jose it is 7:00 PM at that moment.
Is there a time when both Fontana, CA, and San Jose are at work?
Yes: from 9:00 AM to 5:00 PM in Fontana (10:00 AM to 6:00 PM in San Jose), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in San Jose?
From 11:00 PM in Fontana, CA, it is already the next day in San Jose. The other way round, until 1:00 AM in San Jose it is still the previous day in Fontana.
Does the time difference between Fontana, CA, and San Jose change?
Yes. The clocks change only in Fontana. From November 1, 2026, San Jose will be 2 hours ahead of Fontana.
