San Antonio de Los Altos to Chicago time converter

Chicago is 1 hour behind San Antonio de Los Altos. When it is 9:00 AM in San Antonio de Los Altos, it is 8:00 AM in Chicago.

San Antonio de Los Altos VET

Wednesday, October 21, 2026

Chicago CDT

Wednesday, October 21, 2026

Wed, Oct 21
VETUTC-4
Illinois, United States
Wed, Oct 21
CDTUTC-5-1h
Finding your time zone…

3:49 PM in San Antonio de Los Altos, Wednesday, October 21, 2026

Shared working hours (9:00–18:00)

San Antonio de Los Altos to Chicago conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

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

Distance

San Antonio de Los Altos and Chicago are 4,039 km (2,510 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between San Antonio de Los Altos and Chicago?

Chicago is 1 hour behind San Antonio de Los Altos.

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

When it is 9:00 AM in San Antonio de Los Altos, it is 8:00 AM in Chicago.

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

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

Does the time difference between San Antonio de Los Altos 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.