Chicago to San Antonio time converter

San Antonio is 13 hours ahead of Chicago. When it is 9:00 AM in Chicago, it is 10:00 PM in San Antonio.

Chicago CDT

Tuesday, October 20, 2026

San Antonio PHT

Wednesday, October 21, 2026

Chicago
Illinois, United States
Tue, Oct 20
CDTUTC-5
San Antonio
Philippines
Wed, Oct 21
PHTUTC+8+13h
Finding your time zone…
Shared working hours (9:00–18:00)

Chicago to San Antonio conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 8:00 PM – 10:00 PM in Chicago (9:00 AM – 11:00 AM in San Antonio): working hours on one side, early or late on the other.

Daylight saving time and the difference

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

  • Oct 20, 2026 – Nov 1, 2026: +13h
  • Nov 1, 2026 – Mar 14, 2027: +14h
  • Mar 14, 2027 – Oct 20, 2027: +13h

Distance

Chicago and San Antonio are 13,088 km (8,133 miles) apart in a straight line.

More conversions

San Antonio to ChicagoChicago to New YorkChicago to LondonChicago to Los AngelesChicago to TorontoChicago to São PauloChicago to ParisChicago to BerlinChicago to MoscowChicago to DubaiChicago to New DelhiChicago to BangkokChicago to Singapore
New York to San AntonioLondon to San AntonioLos Angeles to San AntonioToronto to San AntonioSão Paulo to San AntonioParis to San AntonioBerlin to San AntonioMoscow to San AntonioDubai to San AntonioNew Delhi to San AntonioBangkok to San AntonioSingapore to San Antonio

Questions and answers

What is the time difference between Chicago and San Antonio?

San Antonio is 13 hours ahead of Chicago.

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

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

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

Working hours don't overlap fully. The closest fit is 8:00 PM – 10:00 PM in Chicago (9:00 AM – 11:00 AM in San Antonio): working hours on one side, early or late on the other.

Does the time difference between Chicago and San Antonio change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.