Chicago to San Luis Time Difference
San Luis is 1 hour ahead of Chicago
24-Hour Comparison
Business hours Extended Off hours
Chicago
09p
10p
11p
12a
01a
02a
03a
04a
05a
06a
07a
08a
09a
10a
11a
12p
01p
02p
03p
04p
05p
06p
07p
08p
San Luis
10p
11p
12a
01a
02a
03a
04a
05a
06a
07a
08a
09a
10a
11a
12p
01p
02p
03p
04p
05p
06p
07p
08p
09p
Each column is the same moment in both cities, starting from right now and rolling forward 24 hours — daylight saving is already accounted for.
Best Time to Call
On a typical weekday (Monday–Friday).
- 09:00 AM – 04:00 PM in Chicago10:00 AM – 05:00 PM in San Luis
Frequently Asked Questions
- What is the time difference between Chicago and San Luis?
- San Luis is 1 hour ahead of Chicago. Chicago is currently UTC-5 and San Luis is UTC-4.
- Is San Luis ahead of or behind Chicago?
- San Luis is ahead of Chicago.
- What is the best time to call San Luis from Chicago?
- On a typical weekday, the best time is 09:00 AM–04:00 PM in Chicago (10:00 AM–05:00 PM in San Luis), when both cities are within business hours.
- Does the time difference between Chicago and San Luis change during the year?
- No. Neither city's daylight saving schedule changes the offset between them.