San Jose to Fullerton, CA: time difference
Fullerton, CA is 1 h behind San Jose. 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 Jose 13:17 1:17 PM Fullerton, CA 12:17 12:17 PM You –:–
13:17 1:17 PM
Central Standard Time · UTC-6
☀️ 05:26 · 🌙 17:18
12:17 12:17 PM
Pacific Daylight Time · UTC-7
☀️ 07:01 · 🌙 18:13
·
−1 h
Fullerton, CA is 1 h behind San Jose.
When you, San Jose and Fullerton, 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
🇨🇷 San Jose
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
🇺🇸 Fullerton, CA
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 21 9 PM 22 10 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇨🇷 San Jose | 🇺🇸 Fullerton, CA |
|---|---|---|
| Local time | 13:17 | 12:17 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Central Standard Time | Pacific Daylight Time |
| UTC offset | UTC-6 | UTC-7 |
| Offset from San Jose | — | −1 h |
| IANA zone | America/Costa Rica | America/Los Angeles |
| Daylight saving | Not observed | On summer time → UTC-8, Nov 1, 01:00 |
| Sunrise | 05:26 | 07:01 |
| Sunset | 17:18 | 18:13 |
| Daylight | 11 h 52 min | 11 h 12 min |
| People on this clock | 342,188 | 135,161 |
Compare San Jose with another city
More comparisons with San Jose: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
San Jose and Fullerton, CA: common questions
How far behind San Jose is Fullerton, CA?
Fullerton is 1 hour behind San Jose: UTC−7 against UTC−6.
If it is 9:00 AM in San Jose, what time is it in Fullerton, CA?
At 9:00 AM in San Jose, clocks in Fullerton show 8:00 AM.
What time is it in Fullerton, CA, when it is 6:00 PM in San Jose?
When it is 6:00 PM in San Jose, it is 5:00 PM in Fullerton.
When is a good time to call Fullerton, CA, from San Jose?
Between 10:00 AM and 6:00 PM in San Jose – that is 9:00 AM to 5:00 PM in Fullerton – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Fullerton, CA, compared with San Jose?
The new day starts in Fullerton later: until 1:00 AM in San Jose, it is still the previous day there. From 11:00 PM in Fullerton, San Jose is already on the next day.
Is the time difference between San Jose and Fullerton, CA, the same all year?
No. Only Fullerton switches to summer time, so the gap changes twice a year. From November 1, 2026, Fullerton will be 2 hours behind San Jose.
