San Antonio to Chicago time converter

Chicago is 2 hours behind San Antonio. When it is 9:00 AM in San Antonio, it is 7:00 AM in Chicago.

San Antonio UTC-3

Wednesday, October 21, 2026

Chicago CDT

Wednesday, October 21, 2026

Paraguay
Wed, Oct 21
UTC-3
Illinois, United States
Wed, Oct 21
CDTUTC-5-2h
Finding your time zone…

10:49 AM in San Antonio, Wednesday, October 21, 2026

Shared working hours (9:00–18:00)

San Antonio to Chicago conversion table

Every hour of today in San Antonio and the matching time in Chicago. Light rows are typical working hours (9:00–18:00).

San AntonioChicago
12:00 AM10:00 PM−1 day
1:00 AM11:00 PM−1 day
2:00 AM12:00 AM
3:00 AM1:00 AM
4:00 AM2:00 AM
5:00 AM3:00 AM
6:00 AM4:00 AM
7:00 AM5:00 AM
8:00 AM6:00 AM
9:00 AM7:00 AM
10:00 AM8:00 AM
11:00 AM9:00 AM
12:00 PM10:00 AM
1:00 PM11:00 AM
2:00 PM12:00 PM
3:00 PM1:00 PM
4:00 PM2:00 PM
5:00 PM3:00 PM
6:00 PM4:00 PM
7:00 PM5:00 PM
8:00 PM6:00 PM
9:00 PM7:00 PM
10:00 PM8:00 PM
11:00 PM9:00 PM

Best time to call or meet

Both sides are at work from 11:00 AM – 6:00 PM in San Antonio (9:00 AM – 4:00 PM in Chicago).

Daylight saving time and the difference

The difference changes during the year because San Antonio and Chicago switch clocks on different dates:

  • Oct 21, 2026 – Nov 1, 2026: -2h
  • Nov 1, 2026 – Mar 14, 2027: -3h
  • Mar 14, 2027 – Oct 21, 2027: -2h

Distance

San Antonio and Chicago are 8,096 km (5,031 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between San Antonio and Chicago?

Chicago is 2 hours behind San Antonio.

What time is it in Chicago when it is 9 AM in San Antonio?

When it is 9:00 AM in San Antonio, it is 7:00 AM in Chicago.

When is the best time to call Chicago from San Antonio?

Both sides are at work from 11:00 AM – 6:00 PM in San Antonio (9:00 AM – 4:00 PM in Chicago).

Does the time difference between San Antonio and Chicago change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.