Current Local Time in San Antonio
United States America/Chicago CDT UTC-5 Daylight saving time
6:29:47 AM
Sunday, August 2, 2026
Daytime UTC-5 (-05:00)
Static values shown for ; your browser updates them to the current second.
UTC offset now
UTC-5
UTC-6 standard / UTC-5 summer
Abbreviation
CDT
CST / CDT
Daylight saving
Daylight saving time
Next change November 1, 2026
IANA time zone
America/Chicago
United States · North America
San Antonio time zone
Local time in San Antonio alternates between UTC-6 (CST) and UTC-5 (CDT). In 2026 the switch to CDT happens on March 8, 2026 and the return to CST on November 1, 2026. Any offset quoted for San Antonio without a date is only right for part of the year.
- IANA time zone
- America/Chicago
- Offset in standard time
- UTC-6 (CST)
- Offset in daylight saving time
- UTC-5 (CDT)
- Daylight saving starts (2026)
- March 8, 2026 at 03:00
- Daylight saving ends (2026)
- November 1, 2026 at 01:00
- Most recent clock change
- March 8, 2026 — clocks go forward 1 hour, from 02:00 CST to 03:00 CDT
- Next clock change
- November 1, 2026 — clocks go back 1 hour, from 02:00 CDT to 01:00 CST
- When it is 12:00 UTC
- 6:00 AM in January · 7:00 AM in July
Clock changes in San Antonio, 2026–2028
Full record for San Antonio → ten years back and ten forward, with each year's DST window.
| Date | Change | Local time | Offset after | Then called |
|---|---|---|---|---|
| March 8, 2026 | Forward 60 min | 01:59 → 03:00 | UTC-05:00 | CDT (DST) |
| November 1, 2026 | Back 60 min | 01:59 → 01:00 | UTC-06:00 | CST (standard) |
| March 14, 2027 | Forward 60 min | 01:59 → 03:00 | UTC-05:00 | CDT (DST) |
| November 7, 2027 | Back 60 min | 01:59 → 01:00 | UTC-06:00 | CST (standard) |
| March 12, 2028 | Forward 60 min | 01:59 → 03:00 | UTC-05:00 | CDT (DST) |
| November 5, 2028 | Back 60 min | 01:59 → 01:00 | UTC-06:00 | CST (standard) |
Sun and moon in San Antonio
Computed for 29.4241°, -98.4936° on August 2, 2026.
Sunrise
6:54 AM
Sunset
8:25 PM
Day length
13h 31m
−1m 19s vs yesterday
Solar noon
1:40 PM
Sun at its highest
| Phase | Morning | Evening | Sun's altitude |
|---|---|---|---|
| Astronomical twilight | 5:26 AM | 9:54 PM | −18° to −12° |
| Nautical twilight | 5:58 AM | 9:21 PM | −12° to −6° |
| Civil twilight | 6:29 AM | 8:51 PM | −6° to −0.833° |
| Sunrise / sunset | 6:54 AM | 8:25 PM | −0.833° (upper limb at the horizon) |
Across 2026, daylight in San Antonio runs from about 10h 15m at the shortest day to 14h 02m at the longest.
Moon
Waning gibbous
80% illuminated · 19.1 days into the cycle · waning
- Moonrise
- 10:48 PM
- Moonset
- 10:37 AM
- Next full moon
- Aug 27, 11:19 PM
- Next new moon
- Aug 12, 12:38 PM
Sun and moon figures are computed locally from standard astronomical series (NOAA solar equations and Meeus' lunar terms) — accurate to about a minute at mid latitudes, and less near the poles where the sun crosses the horizon at a shallow angle.
Weather in San Antonio
Loading current weather for San Antonio.
Current weather for San Antonio is unavailable right now. Everything else on this page — local time, time zone rules, sunrise and sunset — is computed locally and unaffected.
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Feels like
- Today's high / low
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- Humidity
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- Wind
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- Tomorrow
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Measured · source Open-Meteo · cached for 30 minutes
Time difference between San Antonio and other cities
Differences are computed from each city's own zone rules, so pairs whose clocks change on different dates show more than one value across the year.
| City | Local time | Difference | Across the year |
|---|---|---|---|
| New York United States | 7:29 AM | +1h | Varies: +1h / +2h / ±0h |
| Sao Paulo Brazil | 8:29 AM | +2h | Varies: +2h / +3h |
| London United Kingdom | 12:29 PM | +6h | Varies: +6h / +5h |
| Tel Aviv Israel | 2:29 PM | +8h | Varies: +8h / +7h |
| Cairo Egypt | 2:29 PM | +8h | Varies: +8h / +7h |
| Mumbai India | 4:59 PM | +10:30h | Varies: +10:30h / +11:30h |
| Sydney Australia | 9:29 PM | +15h | Varies: +15h / +17h / +16h |
| Los Angeles United States | 4:29 AM | −2h | Varies: −2h / −3h / −1h |
San Antonio at a glance
- Country
- United States
- Region
- North America
- Coordinates
- 29.4241° N, 98.4936° W
- IANA time zone
- America/Chicago
- Currency
- USD
- Language
- English
- Usual clock notation
- 12-hour
Only fields we can source are listed; nothing on this page is estimated. Sources are in data sources .
Questions fréquentes
What time is it in San Antonio right now?
The clock at the top of this page shows the current local time in San Antonio, United States, updated every second from your device's clock and converted with the America/Chicago time zone rules. San Antonio currently runs at UTC-5 (CDT), and switches between UTC-6 and UTC-5 across the year.
What time zone is San Antonio in?
San Antonio uses the IANA time zone America/Chicago, written as CST in standard time and CDT while daylight saving time is in force. Every time on this page is computed from that zone rather than from a stored offset, so it follows the rules currently published in the time zone database.
What is the UTC offset in San Antonio?
San Antonio has two offsets. It runs at UTC-6 during standard time and at UTC-5 during daylight saving time, which is why a single fixed offset for San Antonio is always wrong for part of the year. In 2026 the daylight saving period runs from March 8, 2026 to November 1, 2026.
Does San Antonio observe daylight saving time?
Yes. San Antonio changes its clocks twice in 2026: March 8, 2026 — clocks go forward 1 hour, from 02:00 CST to 03:00 CDT; November 1, 2026 — clocks go back 1 hour, from 02:00 CDT to 01:00 CST. Time differences with other places therefore shift during the year.
What is the time difference between San Antonio and New York?
For most of 2026, New York is 1 hour ahead of San Antonio. Because the two places change their clocks on different dates, the gap is 2 hours (New York ahead of San Antonio) from March 8 – March 8; the clocks match from November 1 – November 1.
What is the time difference between San Antonio and Sao Paulo?
For most of 2026, Sao Paulo is 2 hours ahead of San Antonio. Because the two places change their clocks on different dates, the gap is 3 hours (Sao Paulo ahead of San Antonio) from December 31 – March 8 and November 1 – December 31.
What is the time difference between San Antonio and London?
For most of 2026, London is 6 hours ahead of San Antonio. Because the two places change their clocks on different dates, the gap is 5 hours (London ahead of San Antonio) from March 8 – March 28 and October 24 – November 1.
How long is the day in San Antonio?
Day length in San Antonio ranges from about 10h 15m at the shortest day of 2026 to about 14h 02m at the longest. The sunrise and sunset section on this page shows today's figures for latitude 29.42°, longitude -98.49°.
Other cities in United States
Cities on the same clock (America/Chicago)
- Chicago (United States)
- Houston (United States)
- Dallas (United States)
- Austin (United States)
- Memphis (United States)
- Minneapolis (United States)
- New Orleans (United States)
- Kansas City (United States)
- St. Louis (United States)
- Nashville (United States)
- Milwaukee (United States)
- Omaha (United States)