Chicago to San Antonio de Los Altos Time Difference
San Antonio de Los Altos is 1 hour ahead of Chicago
24-Hour Comparison
Business hours Extended Off hours
Chicago
04a
05a
06a
07a
08a
09a
10a
11a
12p
01p
02p
03p
04p
05p
06p
07p
08p
09p
10p
11p
12a
01a
02a
03a
San Antonio de Los Altos
05a
06a
07a
08a
09a
10a
11a
12p
01p
02p
03p
04p
05p
06p
07p
08p
09p
10p
11p
12a
01a
02a
03a
04a
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).
- 09:00 AM – 04:00 PM in Chicago10:00 AM – 05:00 PM in San Antonio de Los Altos
Frequently Asked Questions
- What is the time difference between Chicago and San Antonio de Los Altos?
- San Antonio de Los Altos is 1 hour ahead of Chicago. Chicago is currently UTC-5 and San Antonio de Los Altos is UTC-4.
- Is San Antonio de Los Altos ahead of or behind Chicago?
- San Antonio de Los Altos is ahead of Chicago.
- What is the best time to call San Antonio de Los Altos from Chicago?
- On a typical weekday, the best time is 09:00 AM–04:00 PM in Chicago (10:00 AM–05:00 PM in San Antonio de Los Altos), when both cities are within business hours.
- Does the time difference between Chicago and San Antonio de Los Altos change during the year?
- Yes. Chicago and San Antonio de Los Altos 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.