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Current Time in San Antonio, United States

Q: What timezone is San Antonio in?

San Antonio is in the CST/CDT timezone. The IANA timezone identifier is America/Chicago. The UTC offset is -6:00 in winter and -5:00 in summer.

Q: What is the UTC offset for San Antonio?

San Antonio's UTC offset is UTC-6:00 in winter and UTC-5:00 in summer. UTC offset means how many hours ahead of or behind Coordinated Universal Time (UTC) the local time is.

Q: What continent is San Antonio in?

San Antonio is located in North America. It is the 1.4 million population city in United States.

United States · CST/CDT · UTC-6:00 / UTC-5:00 (DST)

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America/Chicago

San Antonio Timezone Details

Timezone	CST/CDT
UTC Offset (standard)	UTC-6:00
UTC Offset (summer/DST)	UTC-5:00
Daylight Saving Time	Yes (observed)
IANA Timezone ID	America/Chicago
Country	United States
Population	1.4 million

Live Time Comparison — San Antonio

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📅 Public Holidays in United States (2026)

Upcoming public holidays for United States. Dates marked (est.) are approximate and subject to official confirmation.

Jan 1

New Year's Day

Jan 19

Martin Luther King Jr. Day

Feb 16

Presidents' Day

May 25

Memorial Day

Jun 19

Juneteenth

Jul 4

Independence Day

Sep 7

Labor Day

Oct 12

Columbus Day

Nov 11

Veterans Day

Nov 26

Thanksgiving Day

Dec 25

Christmas Day

Business hours may be affected on these dates. Check local schedules before planning calls or visits.

📞 Best Time to Call San Antonio

Find the best hours for a call between San Antonio (CST/CDT, UTC-6:00) and another city.

Calling to:

✈ San Antonio Airport & Flight Time Calculator

✈ SAT San Antonio International

Estimate flight time from:

About San Antonio Time Zone (CST/CDT)

San Antonio, the second-largest city in Texas, uses Central Standard Time (CST, UTC−6) in winter and Central Daylight Time (CDT, UTC−5) in summer. Famous for the Alamo and the River Walk, San Antonio is one of the fastest-growing US cities.

Key fact: San Antonio is in the same timezone as Chicago and Dallas.

Use the live clock at the top of this page to see the exact current time in San Antonio with seconds. The clock updates every second and uses your browser's timezone database for accuracy.

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Frequently Asked Questions — San Antonio Time

What time is it in San Antonio right now? +

The current time in San Antonio, United States is displayed by the live clock at the top of this page. San Antonio is in the CST/CDT timezone (UTC-6:00 in winter, UTC-5:00 in summer).

What timezone is San Antonio in? +

San Antonio is in the CST/CDT timezone. The IANA timezone identifier is America/Chicago. The UTC offset is -6:00 in winter and -5:00 in summer.

Does San Antonio observe Daylight Saving Time? +

Yes, San Antonio observes Daylight Saving Time (DST). Clocks are set forward in spring and back in autumn. In winter, the UTC offset is -6:00; in summer it is -5:00.

What is the UTC offset for San Antonio? +

San Antonio's UTC offset is UTC-6:00 in winter and UTC-5:00 in summer. UTC offset means how many hours ahead of or behind Coordinated Universal Time (UTC) the local time is.

What is the time difference between San Antonio and London? +

San Antonio (CST/CDT) is UTC-6:00. London (GMT/BST) is UTC+0 in winter and UTC+1 in summer. San Antonio is in the same timezone as Chicago and Dallas.

How do I convert San Antonio time to UTC? +

To convert San Antonio time to UTC, subtract UTC-6:00 from the local time. For example, if it is 15:00 in San Antonio and the UTC offset is UTC-6:00, you calculate backward to find the UTC equivalent. Use the conversion table on this page for real-time values.

What continent is San Antonio in? +

San Antonio is located in North America. It is the 1.4 million population city in United States.

What is the IANA timezone name for San Antonio? +

The IANA (Internet Assigned Numbers Authority) timezone database identifier for San Antonio is America/Chicago. This is the official timezone name used in programming languages and operating systems.

What time is sunrise in San Antonio today? +

Today's sunrise and sunset times for San Antonio are displayed live in the weather panel at the top of this page. The exact times update daily based on San Antonio's latitude and the current date. Sunrise typically varies between approximately 5:00–8:00 AM depending on the season, with the earliest sunrises around the summer solstice (June) and the latest around the winter solstice (December).

What time does it get dark in San Antonio? +

Sunset times in San Antonio are shown live at the top of this page. Sunset varies by season: in summer, the sun may set as late as 8:00–9:00 PM, while in winter, sunset can occur as early as 4:00–5:00 PM. Check the live display for today's exact sunset time.

How long is a flight from San Antonio? +

Use the flight time calculator on this page to estimate flight times from San Antonio International (SAT) to any of 150+ airports worldwide. The calculator uses the Haversine formula for great-circle distance at 850 km/h cruise speed plus 45 minutes ground time. Popular searches: flight time from San Antonio to London, San Antonio to New York, San Antonio to Dubai, San Antonio to Tokyo.