San Jose to Cornwall, ON: time difference
Cornwall, ON 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 08:47 8:47 AM Cornwall, ON 09:47 9:47 AM You –:–
08:47 8:47 AM
Central Standard Time · UTC-6
☀️ 05:29 · 🌙 17:13
09:47 9:47 AM
Eastern Standard Time · UTC-5
☀️ 06:45 · 🌙 16:42
·
+1 h
Cornwall, ON is 1 h ahead of San Jose.
When you, San Jose and Cornwall, ON 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
🇨🇦 Cornwall, ON
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
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Time zones side by side
| Detail | 🇨🇷 San Jose | 🇨🇦 Cornwall, ON |
|---|---|---|
| Local time | 08:47 | 09:47 |
| 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/Toronto |
| Daylight saving | Not observed | On standard time → UTC-4, Mar 14, 03:00 |
| Sunrise | 05:29 | 06:45 |
| Sunset | 17:13 | 16:42 |
| Daylight | 11 h 44 min | 9 h 57 min |
| People on this clock | 342,188 | 46,867 |
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 Cornwall, ON: common questions
How far ahead of San Jose is Cornwall, ON?
Cornwall is 1 hour ahead of San Jose: UTC−5 against UTC−6.
If it is 9:00 AM in San Jose, what time is it in Cornwall, ON?
At 9:00 AM in San Jose, clocks in Cornwall show 10:00 AM.
What time is it in Cornwall, ON, at the end of the working day in San Jose?
The working day in San Jose ends at 6:00 PM; in Cornwall it is 7:00 PM at that moment.
Is there a time when both San Jose and Cornwall, ON, are at work?
Yes: from 9:00 AM to 5:00 PM in San Jose (10:00 AM to 6:00 PM in Cornwall), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Cornwall, ON, compared with San Jose?
The new day starts in Cornwall earlier: at 11:00 PM in San Jose it is already midnight there. Until 1:00 AM in Cornwall, San Jose is still on the previous day.
Is the time difference between San Jose and Cornwall, ON, the same all year?
No. Only Cornwall switches to summer time, so the gap changes twice a year. From March 14, 2027, Cornwall will be 2 hours ahead of San Jose.
