San Jose to Ottawa, IL: time difference
Ottawa, IL 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 21:54 9:54 PM Ottawa, IL 22:54 10:54 PM You –:–
21:54 9:54 PM
Central Standard Time · UTC-6
☀️ 05:26 · 🌙 17:17
22:54 10:54 PM
Central Daylight Time · UTC-5
☀️ 07:14 · 🌙 18:07
·
+1 h
Ottawa, IL is 1 h ahead of San Jose.
When you, San Jose and Ottawa, IL 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
🇺🇸 Ottawa, IL
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 | 🇺🇸 Ottawa, IL |
|---|---|---|
| Local time | 21:54 | 22:54 |
| Local date | Wednesday, October 21, 2026 | Wednesday, October 21, 2026 |
| Time zone | Central Standard Time | Central Daylight Time |
| UTC offset | UTC-6 | UTC-5 |
| Offset from San Jose | — | +1 h |
| IANA zone | America/Costa Rica | America/Chicago |
| Daylight saving | Not observed | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 05:26 | 07:14 |
| Sunset | 17:17 | 18:07 |
| Daylight | 11 h 52 min | 10 h 52 min |
| People on this clock | 342,188 | 18,342 |
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 Ottawa, IL: common questions
What is the time difference between San Jose and Ottawa, IL?
Ottawa is 1 hour ahead: it uses UTC−5, while San Jose is on UTC−6.
What time is it in Ottawa, IL, when it is 9:00 AM in San Jose?
When it is 9:00 AM in San Jose, it is 10:00 AM in Ottawa.
If it is 6:00 PM in San Jose, what time is it in Ottawa, IL?
At 6:00 PM in San Jose, clocks in Ottawa show 7:00 PM.
Is there a time when both San Jose and Ottawa, IL, are at work?
Yes: from 9:00 AM to 5:00 PM in San Jose (10:00 AM to 6:00 PM in Ottawa), the working days (9:00 AM–6:00 PM) overlap.
From what time in San Jose is it tomorrow in Ottawa, IL?
Once it is 11:00 PM in San Jose, the date in Ottawa has already changed. Until 1:00 AM in Ottawa, it is still the previous day in San Jose.
Does the time difference between San Jose and Ottawa, IL, change?
Yes. The clocks change only in Ottawa. From November 1, 2026, Ottawa and San Jose will have the same time.
