| CITY | LOCAL TIME | Difference | Coming up |
|---|---|---|---|
| London United Kingdom | 01:00Thu | +6h | Becomes +5h on 25 Oct |
| Berlin Germany | 02:00Thu | +7h | Becomes +6h on 25 Oct |
| Dubai UAE | 04:00Thu | +9h | Becomes +10h on 1 Nov |
| Tokyo Japan | 09:00Thu | +14h | Becomes +15h on 1 Nov |
| Sydney Australia | 10:00Thu | +15h | Becomes +16h on 4 Oct |
| New York United States | 20:00 | +1h | Becomes ±0h on 1 Nov |
| Los Angeles United States | 17:00 | −2h | Becomes −1h on 1 Nov |
San Antonio, United States runs on UTC−5. Clocks move forward each spring and back each autumn: UTC−6 in winter, UTC−5 in summer. Next change: 1 Nov. The time difference between San Antonio and New York is 1 hour. Standard 9-to-6 working hours overlap for about 8 hours a day with New York. A good time to connect: 09:00–17:00 in San Antonio lines up with 10:00–18:00 in New York. The time difference between San Antonio and London is 6 hours. Standard 9-to-6 working hours overlap for about 3 hours a day with London. A good time to connect: 09:00–12:00 in San Antonio lines up with 15:00–18:00 in London. The time difference between San Antonio and Tokyo is 14 hours. Standard working hours don't overlap at all with Tokyo, so meetings need an early or late slot on one side. This timezone is also shared with cities such as Chicago, Dallas, Houston. Keeping these offsets in mind makes it easier to schedule calls or travel to and from San Antonio.
San Antonio (United States) is home to roughly 1.4M people. Today brings about 11.9 hours of daylight: sunrise at 07:26, sunset at 19:21. Clocks move forward each spring and back each autumn: UTC−6 in winter, UTC−5 in summer. Next change: 1 Nov. It sits in the Northern Hemisphere, about 29° north of the equator. Traffic drives on the right.
Flag
United States
Capital
Washington DC
Continent
North America
Time Zone
CDT · America/Chicago
Coordinates
29.42°N, 98.49°W
Currency
USD ($)
Calling Code
+1
Driving Side
Right
Hemisphere
Northern
Language
English
Measurement System
Imperial
Did You Know?
The San Antonio River Walk runs about 24 kilometres a level below the streets, built from a 1929 flood-control plan that the city turned into a promenade. It is the most visited attraction in Texas.
The clock: San Antonio keeps Central Time. The Alamo, in the middle of downtown, was a mission before it was a fort and is older than the United States.
San Antonio lies at 98.5°W. Its time zone, UTC−6, is built around the 90°W meridian. The 8.5° gap between them means the clock runs roughly 34 minutes ahead of the sun: solar noon arrives at about 12:34 rather than 12:00. Under daylight saving the clocks move 60 minutes forward, widening the gap to 94 minutes and pushing solar noon to 13:34.
The longest day of 2026 is 22 June, with 14h 2m of daylight. The shortest is 22 December, with 10h 15m. The swing between them is 3h 46m. At this latitude the seasons are visible in the clock, but never dramatic.
The earliest sunrise and the latest sunset do not land on the longest day. In San Antonio the sun comes up earliest on 11 June at 06:33, while the latest sunset waits until 2 July at 20:38. The equation of time is what separates them: the Earth's elliptical orbit and axial tilt move solar noon back and forth by several minutes over the year.
The sky stays usably light for a while after the sun goes down. In San Antonio that civil twilight runs about 24 minutes at the equinox.
Every figure in this section is computed from the city's own latitude, longitude and IANA time zone using NOAA solar algorithms (Spencer, 1971), accurate to about ±2 arcminutes below 65° latitude.
The official timezone for San Antonio, United States is America/Chicago with a current UTC offset of UTC−5.
San Antonio has an estimated population of 1.4M and is located at coordinates 29.42°N, 98.49°W.
San Antonio gets 14h 2m of daylight on its longest day and 10h 15m on its shortest, averaging 12h 10m a day across the year.
Solar noon in San Antonio falls at about 12:34 on UTC−6 standard time, because the city sits 8.5° from the meridian its zone is built on.
A River Walk One Storey Down: The San Antonio River Walk runs about 24 kilometres a level below the streets, built from a 1929 flood-control plan that the city turned into a promenade. It is the most visited attraction in Texas.