§ 01US · North America
San Antonio
United States
San Antonio keeps US Central Time, UTC−6 in winter and UTC−5 in summer. One of the fastest-growing US cities, it sits one hour behind the East Coast and shares its working day with Texas neighbours Houston and Dallas.
San Antonio · 1 Hz pulse
§ 02Day & business hours
Solar arc · UTC11h 26m of light
Sunrise
12:35 UTC
Solar noon
18:19 UTC
Sunset
00:02 UTC
Computed via NOAA solar equations for today's date. Local clock times shown below convert the UTC arc into America/Chicago.
Local solar times
- Sunrise
- 07:35
- Solar noon
- 13:19
- Sunset
- 19:02
- Day length
- 11h 26m
Conventional business hours
09:00—17:00
Approximate local convention; individual organisations vary significantly.
§ 03Conditions · live
Current
weather.
Live reading from Apple Weather, cached one hour at the edge. Temperature in °C, wind in km/h.
Conditions · liveNight
+18°C
Windy
Feels like
14°
Wind
24 km/h N
Humidity
45%
Pressure
1,028 mb
UV index · 0Visibility · 48 km
Weather · Apple Weather§ 04Time zone & daylight saving
The facts, computed.
Read live from the IANA time-zone database — never hand-typed, so it can't go stale.
- Time zone
- Central Daylight Time (CDT)
- UTC offset
- UTC−05:00
- IANA identifier
- America/Chicago
- Daylight saving (2026)
- Yes. In 2026, clocks go forward around March 8 and back around November 1.
§ 05Time difference from major cities
London−6 h
New York−1 h
Tokyo−14 h
Dubai−9 h
Singapore−13 h
Sydney−16 h
Hours are San Antonio's current offset relative to each city, daylight saving included.
§ 06Frequently asked
- What time zone is San Antonio in?
- San Antonio is in the Central Daylight Time zone (CDT), currently UTC−05:00.
- Does San Antonio observe daylight saving time?
- Yes. In 2026, clocks go forward around March 8 and back around November 1.
- What is San Antonio's UTC offset right now?
- San Antonio is currently UTC−05:00 (CDT).
- What is the time difference between San Antonio and London?
- San Antonio is 6 hours behind London right now.
§ 07Other North America stations
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