San Antonio de Los Altos to Chicago Time Difference

24-Hour Comparison

Each column is the same moment in both cities, starting from right now and rolling forward 24 hours — daylight saving is already accounted for.

Best Time to Call

On a typical weekday (Monday–Friday).

• 10:00 AM – 05:00 PM in San Antonio de Los Altos09:00 AM – 04:00 PM in Chicago

Frequently Asked Questions

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

Chicago is 1 hour behind San Antonio de Los Altos. San Antonio de Los Altos is currently UTC-4 and Chicago is UTC-5.

Is Chicago ahead of or behind San Antonio de Los Altos?

Chicago is behind San Antonio de Los Altos.

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

On a typical weekday, the best time is 10:00 AM–05:00 PM in San Antonio de Los Altos (09:00 AM–04:00 PM in Chicago), when both cities are within business hours.

Does the time difference between San Antonio de Los Altos and Chicago change during the year?

Yes. San Antonio de Los Altos and Chicago don't switch to daylight saving time on the same schedule, so the offset shifts by up to an hour for part of the year.