There is no time difference between San Antonio and Chicago. Both cities use Central Time (CT, UTC-6/-5). When it's 12:00 PM in San Antonio, it's also 12:00 PM in Chicago.
Both cities observe daylight saving time on the same schedule, so they remain synchronized year-round.
Any time works! Since both cities share the same timezone, you can schedule calls during standard business hours (9:00 AM - 5:00 PM) without any time conversion needed.
San Antonio and Chicago are major US cities in the Central Time Zone. Chicago is the financial hub of the Midwest, while San Antonio is Texas's second-largest city. Direct flights connect them in about 2.5 hours.