San Marcos to Chicago time converter

Chicago is 1 hour ahead of San Marcos. When it is 9:00 AM in San Marcos, it is 10:00 AM in Chicago.

San Marcos CST

Wednesday, October 21, 2026

Chicago CDT

Wednesday, October 21, 2026

Nicaragua
Wed, Oct 21
CSTUTC-6
Illinois, United States
Wed, Oct 21
CDTUTC-5+1h
Finding your time zone…

3:07 PM in San Marcos, Wednesday, October 21, 2026

Shared working hours (9:00–18:00)

San Marcos to Chicago conversion table

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

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

Best time to call or meet

Both sides are at work from 9:00 AM – 5:00 PM in San Marcos (10:00 AM – 6:00 PM in Chicago).

Daylight saving time and the difference

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

  • Oct 21, 2026 – Nov 1, 2026: +1h
  • Nov 1, 2026 – Mar 14, 2027: ±0
  • Mar 14, 2027 – Oct 21, 2027: +1h

Distance

San Marcos and Chicago are 3,332 km (2,070 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between San Marcos and Chicago?

Chicago is 1 hour ahead of San Marcos.

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

When it is 9:00 AM in San Marcos, it is 10:00 AM in Chicago.

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

Both sides are at work from 9:00 AM – 5:00 PM in San Marcos (10:00 AM – 6:00 PM in Chicago).

Does the time difference between San Marcos 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.