Decatur, IL to San Jose: time difference
San Jose is 1 h behind Decatur, 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.
Decatur, IL 18:43 6:43 PM San Jose 17:43 5:43 PM You –:–
18:43 6:43 PM
Central Daylight Time · UTC-5
☀️ 07:11 · 🌙 18:12
17:43 5:43 PM
Central Standard Time · UTC-6
☀️ 05:26 · 🌙 17:18
·
−1 h
San Jose is 1 h behind Decatur, IL.
When you, Decatur, 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
🇺🇸 Decatur, 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
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Time zones side by side
| Detail | 🇺🇸 Decatur, IL | 🇨🇷 San Jose |
|---|---|---|
| Local time | 18:43 | 17:43 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Central Daylight Time | Central Standard Time |
| UTC offset | UTC-5 | UTC-6 |
| Offset from Decatur, IL | — | −1 h |
| IANA zone | America/Chicago | America/Costa Rica |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 07:11 | 05:26 |
| Sunset | 18:12 | 17:18 |
| Daylight | 11 h 1 min | 11 h 53 min |
| People on this clock | 77,047 | 342,188 |
Compare Decatur, IL with another city
More comparisons with Decatur, IL: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Decatur, IL and San Jose: common questions
How far behind Decatur, IL, is San Jose?
San Jose is 1 hour behind Decatur: UTC−6 against UTC−5.
What time is it in San Jose when it is 9:00 AM in Decatur, IL?
When it is 9:00 AM in Decatur, it is 8:00 AM in San Jose.
If it is 6:00 PM in Decatur, IL, what time is it in San Jose?
At 6:00 PM in Decatur, clocks in San Jose show 5:00 PM.
When do working hours in Decatur, IL, and in San Jose overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Decatur, which is 9:00 AM to 5:00 PM in San Jose.
Until what time in Decatur, IL, is it still yesterday in San Jose?
Before 1:00 AM in Decatur, the date in San Jose has not changed yet. From 11:00 PM in San Jose, it is already the next day in Decatur.
Does the time difference between Decatur, IL, and San Jose change?
Yes. The clocks change only in Decatur. From November 1, 2026, San Jose and Decatur will have the same time.
