San Jose to Ada, OK: time difference
Ada, OK 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 20:53 8:53 PM Ada, OK 21:53 9:53 PM You –:–
20:53 8:53 PM
Central Standard Time · UTC-6
☀️ 05:25 · 🌙 17:23
21:53 9:53 PM
Central Daylight Time · UTC-5
☀️ 07:28 · 🌙 19:01
·
+1 h
Ada, OK is 1 h ahead of San Jose.
When you, San Jose and Ada, OK 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
🇺🇸 Ada, OK
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 | 🇺🇸 Ada, OK |
|---|---|---|
| Local time | 20:53 | 21:53 |
| Local date | Friday, October 9, 2026 | Friday, October 9, 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 | 05:25 | 07:28 |
| Sunset | 17:23 | 19:01 |
| Daylight | 11 h 58 min | 11 h 33 min |
| People on this clock | 342,188 | 17,000 |
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 Ada, OK: common questions
How far ahead of San Jose is Ada, OK?
Ada is 1 hour ahead of San Jose: UTC−5 against UTC−6.
What time is it in Ada, OK, when it is 9:00 AM in San Jose?
When it is 9:00 AM in San Jose, it is 10:00 AM in Ada.
If it is 6:00 PM in San Jose, what time is it in Ada, OK?
At 6:00 PM in San Jose, clocks in Ada show 7:00 PM.
Is there a time when both San Jose and Ada, OK, are at work?
Yes: from 9:00 AM to 5:00 PM in San Jose (10:00 AM to 6:00 PM in Ada), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Ada, OK, compared with San Jose?
The new day starts in Ada earlier: at 11:00 PM in San Jose it is already midnight there. Until 1:00 AM in Ada, San Jose is still on the previous day.
Does the time difference between San Jose and Ada, OK, change?
Yes. The clocks change only in Ada. From November 1, 2026, Ada and San Jose will have the same time.
