Rock Island, IL to San Jose: time difference
San Jose is 1 h behind Rock Island, IL. 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.
Rock Island, IL 15:32 3:32 PM San Jose 14:32 2:32 PM You –:–
15:32 3:32 PM
Central Daylight Time · UTC-5
☀️ 07:20 · 🌙 18:15
14:32 2:32 PM
Central Standard Time · UTC-6
☀️ 05:26 · 🌙 17:18
·
−1 h
San Jose is 1 h behind Rock Island, IL.
When you, Rock Island, IL 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
🇺🇸 Rock Island, IL
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
23 11 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Rock Island, IL | 🇨🇷 San Jose |
|---|---|---|
| Local time | 15:32 | 14:32 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Central Daylight Time | Central Standard Time |
| UTC offset | UTC-5 | UTC-6 |
| Offset from Rock Island, IL | — | −1 h |
| IANA zone | America/Chicago | America/Costa Rica |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 07:20 | 05:26 |
| Sunset | 18:15 | 17:18 |
| Daylight | 10 h 55 min | 11 h 52 min |
| People on this clock | 37,108 | 342,188 |
Compare Rock Island, IL with another city
More comparisons with Rock Island, IL: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Rock Island, IL and San Jose: common questions
How far behind Rock Island, IL, is San Jose?
San Jose is 1 hour behind Rock Island: UTC−6 against UTC−5.
If it is 9:00 AM in Rock Island, IL, what time is it in San Jose?
At 9:00 AM in Rock Island, clocks in San Jose show 8:00 AM.
If it is 6:00 PM in Rock Island, IL, what time is it in San Jose?
At 6:00 PM in Rock Island, clocks in San Jose show 5:00 PM.
When do working hours in Rock Island, IL, and in San Jose overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Rock Island, which is 9:00 AM to 5:00 PM in San Jose.
Until what time in Rock Island, IL, is it still yesterday in San Jose?
Before 1:00 AM in Rock Island, the date in San Jose has not changed yet. From 11:00 PM in San Jose, it is already the next day in Rock Island.
Does the time gap between Rock Island, IL, and San Jose change during the year?
Yes – daylight saving time is used in Rock Island but not in San Jose. From November 1, 2026, San Jose and Rock Island will have the same time.
