San Antonio, United States
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Time in San Antonio, United States right now
San Antonio is a major city in Texas, United States. Clocks follow the America/Chicago time zone: UTC-6 (CST) on January 15 and UTC-5 (CDT) on July 15, 2026. Other dates can use a different offset; see the clock changes below.
About 1.5 million people set their clocks to this time in San Antonio alone.
Live clock for San Antonio
Local times come from your browser's IANA time zone data.
San Antonio time compared with UTC
San Antonio runs UTC-6 in January and UTC-5 in July. When it is 12:00 UTC the clock in San Antonio reads 06:00 in January and 07:00 in July.
These examples use January 15 and July 15, 2026. Where clocks change, other dates can use a different offset. Use the live converter for your exact date.
| UTC | San Antonio in January | San Antonio in July |
|---|---|---|
| 00:00 | 18:00 previous day | 19:00 previous day |
| 03:00 | 21:00 previous day | 22:00 previous day |
| 06:00 | 00:00 | 01:00 |
| 09:00 | 03:00 | 04:00 |
| 12:00 | 06:00 | 07:00 |
| 15:00 | 09:00 | 10:00 |
| 18:00 | 12:00 | 13:00 |
| 21:00 | 15:00 | 16:00 |
When the clocks change in San Antonio
These are the recorded clock changes for San Antonio in 2026 and 2027. Each row gives the date, the reading the clock shows as it changes, and what it jumps to.
| Date | Change | Clocks | New offset |
|---|---|---|---|
| Sunday, March 8, 2026 | Forward 1 hour | 02:00 to 03:00 | UTC-5 |
| Sunday, November 1, 2026 | Back 1 hour | 02:00 to 01:00 | UTC-6 |
| Sunday, March 14, 2027 | Forward 1 hour | 02:00 to 03:00 | UTC-5 |
| Sunday, November 7, 2027 | Back 1 hour | 02:00 to 01:00 | UTC-6 |
Computed from the IANA time zone database, the same source your operating system uses. Dates in future years follow the rules in force today; daylight saving law is set by governments and does change, sometimes at a few months' notice.
Time difference from San Antonio
| City | In January | In July |
|---|---|---|
| New York City | 1 hour ahead of San Antonio | 1 hour ahead of San Antonio |
| London | 6 hours ahead of San Antonio | 6 hours ahead of San Antonio |
| Paris | 7 hours ahead of San Antonio | 7 hours ahead of San Antonio |
| Dubai | 10 hours ahead of San Antonio | 9 hours ahead of San Antonio |
| Mumbai | 11:30 hours ahead of San Antonio | 10:30 hours ahead of San Antonio |
| Singapore | 14 hours ahead of San Antonio | 13 hours ahead of San Antonio |
| Tokyo | 15 hours ahead of San Antonio | 14 hours ahead of San Antonio |
| Sydney | 17 hours ahead of San Antonio | 15 hours ahead of San Antonio |
| Los Angeles | 2 hours behind San Antonio | 2 hours behind San Antonio |
| Sao Paulo | 3 hours ahead of San Antonio | 2 hours ahead of San Antonio |
Sunrise and sunset in San Antonio through the year
| Time of year | Sunrise | Sunset | Day length |
|---|---|---|---|
| March equinox (about Mar 20) | 07:37 | 19:45 | 12 h 08 m |
| June solstice (about Jun 21) | 06:34 | 20:36 | 14 h 02 m |
| September equinox (about Sep 22) | 07:22 | 19:30 | 12 h 08 m |
| December solstice (about Dec 21) | 07:24 | 17:39 | 10 h 15 m |
Computed for San Antonio's own coordinates with standard NOAA solar equations. Full twilight and golden hour detail lives on the San Antonio sunrise and sunset page.
Related city clocks
More cities in United States:
- New York City
- Los Angeles
- Brooklyn
- Chicago
- Queens
- Houston
- Phoenix
- Philadelphia
- Manhattan
- San Diego
- The Bronx
- Dallas
Cities elsewhere on the exact same clock (America/Chicago):
Common questions about time in San Antonio
What time zone is San Antonio in?
San Antonio uses the America/Chicago time zone: UTC-6 (CST) in January and UTC-5 (CDT) in July.
Does San Antonio change its clocks in 2026?
Yes. In 2026 the clocks go forward on Sunday, March 8 at 02:00, and back on Sunday, November 1 at 02:00. The table above shows the size of each change and the resulting UTC offset.
What is the time difference between San Antonio and New York City?
In January, New York City is 1 hour ahead of San Antonio; in July it is 1 hour ahead of San Antonio. The table above lists more cities.
City data from GeoNames (CC BY 4.0). Live times come from your browser's IANA time zone data; sun times use standard NOAA solar equations at San Antonio's coordinates.