Chicago to San Marcos time converter
Chicago and San Marcos are on the same time. When it is 9:00 AM in Chicago, it is 9:00 AM in San Marcos.
Chicago CDT
Wednesday, October 21, 2026
San Marcos COT
Wednesday, October 21, 2026
3:16 PM in Chicago, Wednesday, October 21, 2026
Chicago to San Marcos conversion table
Every hour of today in Chicago and the matching time in San Marcos. Light rows are typical working hours (9:00–18:00).
| Chicago | San Marcos |
|---|---|
| 12:00 AM | 12:00 AM |
| 1:00 AM | 1:00 AM |
| 2:00 AM | 2:00 AM |
| 3:00 AM | 3:00 AM |
| 4:00 AM | 4:00 AM |
| 5:00 AM | 5:00 AM |
| 6:00 AM | 6:00 AM |
| 7:00 AM | 7:00 AM |
| 8:00 AM | 8:00 AM |
| 9:00 AM | 9:00 AM |
| 10:00 AM | 10:00 AM |
| 11:00 AM | 11:00 AM |
| 12:00 PM | 12:00 PM |
| 1:00 PM | 1:00 PM |
| 2:00 PM | 2:00 PM |
| 3:00 PM | 3:00 PM |
| 4:00 PM | 4:00 PM |
| 5:00 PM | 5:00 PM |
| 6:00 PM | 6:00 PM |
| 7:00 PM | 7:00 PM |
| 8:00 PM | 8:00 PM |
| 9:00 PM | 9:00 PM |
| 10:00 PM | 10:00 PM |
| 11:00 PM | 11:00 PM |
Best time to call or meet
Both sides are at work from 9:00 AM – 6:00 PM in Chicago (9:00 AM – 6:00 PM in San Marcos).
Daylight saving time and the difference
The difference changes during the year because Chicago and San Marcos switch clocks on different dates:
- Oct 21, 2026 – Nov 1, 2026: ±0
- Nov 1, 2026 – Mar 14, 2027: +1h
- Mar 14, 2027 – Oct 21, 2027: ±0
Distance
Chicago and San Marcos are 3,890 km (2,417 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Chicago and San Marcos?
Chicago and San Marcos are on the same time.
What time is it in San Marcos when it is 9 AM in Chicago?
When it is 9:00 AM in Chicago, it is 9:00 AM in San Marcos.
When is the best time to call San Marcos from Chicago?
Both sides are at work from 9:00 AM – 6:00 PM in Chicago (9:00 AM – 6:00 PM in San Marcos).
Does the time difference between Chicago and San Marcos change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.