San Mateo, CA to San Jose: time difference
San Jose is 1 h ahead of San Mateo, 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.
San Mateo, CA 10:43 10:43 AM San Jose 11:43 11:43 AM You –:–
10:43 10:43 AM
Pacific Daylight Time · UTC-7
☀️ 07:21 · 🌙 18:29
11:43 11:43 AM
Central Standard Time · UTC-6
☀️ 05:26 · 🌙 17:19
·
+1 h
San Jose is 1 h ahead of San Mateo, CA.
When you, San Mateo, 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
🇺🇸 San Mateo, 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 | 🇺🇸 San Mateo, CA | 🇨🇷 San Jose |
|---|---|---|
| Local time | 10:43 | 11:43 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Pacific Daylight Time | Central Standard Time |
| UTC offset | UTC-7 | UTC-6 |
| Offset from San Mateo, 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 | 07:21 | 05:26 |
| Sunset | 18:29 | 17:19 |
| Daylight | 11 h 8 min | 11 h 53 min |
| People on this clock | 103,536 | 342,188 |
Compare San Mateo, CA with another city
More comparisons with San Mateo, CA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
San Mateo, CA and San Jose: common questions
How many hours ahead of San Mateo, CA, is San Jose?
The clocks in San Jose are 1 hour ahead of those in San Mateo (UTC−6 and UTC−7).
What time is it in San Jose when it is 9:00 AM in San Mateo, CA?
When it is 9:00 AM in San Mateo, it is 10:00 AM in San Jose.
What time is it in San Jose when it is 6:00 PM in San Mateo, CA?
When it is 6:00 PM in San Mateo, it is 7:00 PM in San Jose.
When do working hours in San Mateo, CA, and in San Jose overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in San Mateo, which is 10:00 AM to 6:00 PM in San Jose.
When does the date change in San Jose compared with San Mateo, CA?
The new day starts in San Jose earlier: at 11:00 PM in San Mateo it is already midnight there. Until 1:00 AM in San Jose, San Mateo is still on the previous day.
Does the time gap between San Mateo, CA, and San Jose change during the year?
Yes – daylight saving time is used in San Mateo but not in San Jose. From November 1, 2026, San Jose will be 2 hours ahead of San Mateo.
