San Jose to Rochester, NY: time difference
Rochester, NY is 1 h ahead of 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 09:46 9:46 AM Rochester, NY 10:46 10:46 AM You –:–
09:46 9:46 AM
Central Standard Time · UTC-6
☀️ 05:29 · 🌙 17:13
10:46 10:46 AM
Eastern Standard Time · UTC-5
☀️ 06:52 · 🌙 16:57
·
+1 h
Rochester, NY is 1 h ahead of San Jose.
When you, San Jose and Rochester, NY 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
🇺🇸 Rochester, NY
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 Jose | 🇺🇸 Rochester, NY |
|---|---|---|
| Local time | 09:46 | 10:46 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Central Standard Time | Eastern Standard Time |
| UTC offset | UTC-6 | UTC-5 |
| Offset from San Jose | — | +1 h |
| IANA zone | America/Costa Rica | America/New York |
| Daylight saving | Not observed | On standard time → UTC-4, Mar 14, 03:00 |
| Sunrise | 05:29 | 06:52 |
| Sunset | 17:13 | 16:57 |
| Daylight | 11 h 44 min | 10 h 5 min |
| People on this clock | 342,188 | 211,328 |
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 Rochester, NY: common questions
How many hours ahead of San Jose is Rochester, NY?
The clocks in Rochester are 1 hour ahead of those in San Jose (UTC−5 and UTC−6).
What time is it in Rochester, NY, when it is 9:00 AM in San Jose?
When it is 9:00 AM in San Jose, it is 10:00 AM in Rochester.
What time is it in Rochester, NY, at the end of the working day in San Jose?
The working day in San Jose ends at 6:00 PM; in Rochester it is 7:00 PM at that moment.
When is a good time to call Rochester, NY, from San Jose?
Between 9:00 AM and 5:00 PM in San Jose – that is 10:00 AM to 6:00 PM in Rochester – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Rochester, NY, compared with San Jose?
The new day starts in Rochester earlier: at 11:00 PM in San Jose it is already midnight there. Until 1:00 AM in Rochester, San Jose is still on the previous day.
Is the time difference between San Jose and Rochester, NY, the same all year?
No. Only Rochester switches to summer time, so the gap changes twice a year. From March 14, 2027, Rochester will be 2 hours ahead of San Jose.
