Chicago to San Luis time converter
San Luis is 1 hour behind Chicago. When it is 9:00 AM in Chicago, it is 8:00 AM in San Luis.
6:53 PM in Chicago, Tuesday, October 20, 2026
Chicago to San Luis conversion table
Every hour of today in Chicago and the matching time in San Luis. Light rows are typical working hours (9:00–18:00).
| Chicago | San Luis |
|---|---|
| 12:00 AM | 11:00 PM−1 day |
| 1:00 AM | 12:00 AM |
| 2:00 AM | 1:00 AM |
| 3:00 AM | 2:00 AM |
| 4:00 AM | 3:00 AM |
| 5:00 AM | 4:00 AM |
| 6:00 AM | 5:00 AM |
| 7:00 AM | 6:00 AM |
| 8:00 AM | 7:00 AM |
| 9:00 AM | 8:00 AM |
| 10:00 AM | 9:00 AM |
| 11:00 AM | 10:00 AM |
| 12:00 PM | 11:00 AM |
| 1:00 PM | 12:00 PM |
| 2:00 PM | 1:00 PM |
| 3:00 PM | 2:00 PM |
| 4:00 PM | 3:00 PM |
| 5:00 PM | 4:00 PM |
| 6:00 PM | 5:00 PM |
| 7:00 PM | 6:00 PM |
| 8:00 PM | 7:00 PM |
| 9:00 PM | 8:00 PM |
| 10:00 PM | 9:00 PM |
| 11:00 PM | 10:00 PM |
Best time to call or meet
Both sides are at work from 10:00 AM – 6:00 PM in Chicago (9:00 AM – 5:00 PM in San Luis).
Daylight saving time and the difference
The difference changes during the year because Chicago and San Luis switch clocks on different dates:
- Oct 20, 2026 – Nov 1, 2026: -1h
- Nov 1, 2026 – Mar 14, 2027: ±0
- Mar 14, 2027 – Oct 20, 2027: -1h
Distance
Chicago and San Luis are 2,972 km (1,847 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Chicago and San Luis?
San Luis is 1 hour behind Chicago.
What time is it in San Luis when it is 9 AM in Chicago?
When it is 9:00 AM in Chicago, it is 8:00 AM in San Luis.
When is the best time to call San Luis from Chicago?
Both sides are at work from 10:00 AM – 6:00 PM in Chicago (9:00 AM – 5:00 PM in San Luis).
Does the time difference between Chicago and San Luis change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.