San Jose to Decatur, IL: time difference
Decatur, 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 19:15 7:15 PM Decatur, IL 20:15 8:15 PM You –:–
19:15 7:15 PM
Central Standard Time · UTC-6
☀️ 05:26 · 🌙 17:18
20:15 8:15 PM
Central Daylight Time · UTC-5
☀️ 07:11 · 🌙 18:12
·
+1 h
Decatur, IL is 1 h ahead of San Jose.
When you, San Jose and Decatur, 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
🇺🇸 Decatur, 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
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Time zones side by side
| Detail | 🇨🇷 San Jose | 🇺🇸 Decatur, IL |
|---|---|---|
| Local time | 19:15 | 20:15 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 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 | 07:11 |
| Sunset | 17:18 | 18:12 |
| Daylight | 11 h 53 min | 11 h 1 min |
| People on this clock | 342,188 | 77,047 |
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 Decatur, IL: common questions
How far ahead of San Jose is Decatur, IL?
Decatur is 1 hour ahead of San Jose: UTC−5 against UTC−6.
What time is it in Decatur, 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 Decatur.
If it is 6:00 PM in San Jose, what time is it in Decatur, IL?
At 6:00 PM in San Jose, clocks in Decatur show 7:00 PM.
When do working hours in San Jose and in Decatur, IL, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in San Jose, which is 10:00 AM to 6:00 PM in Decatur.
When does the date change in Decatur, IL, compared with San Jose?
The new day starts in Decatur earlier: at 11:00 PM in San Jose it is already midnight there. Until 1:00 AM in Decatur, San Jose is still on the previous day.
Does the time gap between San Jose and Decatur, IL, change during the year?
Yes – daylight saving time is used in Decatur but not in San Jose. From November 1, 2026, Decatur and San Jose will have the same time.
