San Jose to Chicago, IL: time difference
Chicago, 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 00:35 12:35 AM Chicago, IL 01:35 1:35 AM You –:–
00:35 12:35 AM
Central Standard Time · UTC-6
☀️ 05:25 · 🌙 17:23
01:35 1:35 AM
Central Daylight Time · UTC-5
☀️ 06:58 · 🌙 18:19
·
+1 h
Chicago, IL is 1 h ahead of San Jose.
When you, San Jose and Chicago, 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
🇺🇸 Chicago, 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 | 🇺🇸 Chicago, IL |
|---|---|---|
| Local time | 00:35 | 01:35 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 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 | 06:58 |
| Sunset | 17:23 | 18:19 |
| Daylight | 11 h 57 min | 11 h 21 min |
| People on this clock | 342,188 | 2,746,388 |
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 Chicago, IL: common questions
How many hours ahead of San Jose is Chicago, IL?
The clocks in Chicago are 1 hour ahead of those in San Jose (UTC−5 and UTC−6).
What time is it in Chicago, 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 Chicago.
What time is it in Chicago, IL, when it is 6:00 PM in San Jose?
When it is 6:00 PM in San Jose, it is 7:00 PM in Chicago.
When is a good time to call Chicago, IL, from San Jose?
Between 9:00 AM and 5:00 PM in San Jose – that is 10:00 AM to 6:00 PM in Chicago – both places are within working hours (9:00 AM–6:00 PM).
When is it already the next day in Chicago, IL?
From 11:00 PM in San Jose it is already the next day in Chicago. The other way round, until 1:00 AM in Chicago it is still the previous day in San Jose.
Does the time difference between San Jose and Chicago, IL, change?
Yes. The clocks change only in Chicago. From November 1, 2026, Chicago and San Jose will have the same time.
