San Jose to Union City, CA: time difference
Union City, 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 07:14 7:14 AM Union City, CA 06:14 6:14 AM You –:–
07:14 7:14 AM
Central Standard Time · UTC-6
☀️ 05:26 · 🌙 17:17
06:14 6:14 AM
Pacific Daylight Time · UTC-7
☀️ 07:24 · 🌙 18:23
·
−1 h
Union City, CA is 1 h behind San Jose.
When you, San Jose and Union City, 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
🇺🇸 Union City, 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
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Time zones side by side
| Detail | 🇨🇷 San Jose | 🇺🇸 Union City, CA |
|---|---|---|
| Local time | 07:14 | 06:14 |
| Local date | Thursday, October 22, 2026 | Thursday, October 22, 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 | 07:24 |
| Sunset | 17:17 | 18:23 |
| Daylight | 11 h 51 min | 10 h 59 min |
| People on this clock | 342,188 | 63,930 |
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 Union City, CA: common questions
How many hours behind San Jose is Union City, CA?
The clocks in Union City are 1 hour behind those in San Jose (UTC−7 and UTC−6).
What time is it in Union City, CA, at the start of the working day in San Jose?
The working day in San Jose starts at 9:00 AM; in Union City it is 8:00 AM at that moment.
What time is it in Union City, 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 Union City.
When do working hours in San Jose and in Union City, CA, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in San Jose, which is 9:00 AM to 5:00 PM in Union City.
When does the date change in Union City, CA, compared with San Jose?
The new day starts in Union City later: until 1:00 AM in San Jose, it is still the previous day there. From 11:00 PM in Union City, San Jose is already on the next day.
Does the time difference between San Jose and Union City, CA, change?
Yes. The clocks change only in Union City. From November 1, 2026, Union City will be 2 hours behind San Jose.
