About the time in San Antonio
San Antonio is in the United States and uses the America/Chicago time zone. Right now it is CDT there, which is UTC−05:00. Clocks in San Antonio change for daylight saving time, so the offset is different in summer and winter.
- Time zones
- Central Standard Time (CST), UTC−06:00
Central Daylight Time (CDT), UTC−05:00
- UTC offset
- UTC−06:00 / UTC−05:00 (changes during the year)
- Daylight saving
- Yes
- Clock changes 2026
- Forward 1 hour on Sunday 8 March at 02:00 local time (to 03:00)
Back 1 hour on Sunday 1 November at 02:00 local time (to 01:00)
- Clock changes 2027
- Forward 1 hour on Sunday 14 March at 02:00 local time (to 03:00)
Back 1 hour on Sunday 7 November at 02:00 local time (to 01:00)
- Difference from you
- shown when the page loads
- IANA time zone
America/Chicago- Country
- United States
Time difference from San Antonio
How far ahead or behind San Antonio other major cities are right now.
Questions about the time in San Antonio
What time zone is San Antonio in?
San Antonio uses the America/Chicago time zone. It switches between Central Standard Time (UTC−06:00) and Central Daylight Time (UTC−05:00) for daylight saving time.
Does San Antonio observe daylight saving time?
Yes. In 2026, clocks go forward 1 hour on Sunday 8 March at 02:00 local time (to 03:00), and go back 1 hour on Sunday 1 November at 02:00 local time (to 01:00). In 2027, clocks go forward 1 hour on Sunday 14 March at 02:00 local time (to 03:00), and go back 1 hour on Sunday 7 November at 02:00 local time (to 01:00).
What is the UTC offset in San Antonio?
San Antonio is at UTC−06:00 or UTC−05:00, depending on the time of year.
What is the time difference between San Antonio and London?
San Antonio is currently 6 hours behind London. The difference can change by an hour for a few weeks a year, when one place starts or ends daylight saving time and the other does not.
Is San Antonio on the same time as the rest of the United States?
Not everywhere. The United States has 8 time zone regions, so the time in San Antonio can differ from other parts of the country.