United States · CDT
Mon, 14 Sept 2026
Timezone Guide
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: 2 Nov. There is a 1-hour difference between San Antonio and New York. 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. There is a 6-hour difference between San Antonio and London. 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. There is a 14-hour difference between San Antonio and Tokyo. 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, Bogotá, Lima. Keeping these offsets in mind makes it easier to schedule calls or travel to and from San Antonio.
Practical Info
San Antonio (United States) is home to roughly 1.4M people. Today brings about 14.0 hours of daylight: sunrise at 06:36, sunset at 20:36. Clocks move forward each spring and back each autumn: UTC−6 in winter, UTC−5 in summer. Next change: 2 Nov. It sits in the Northern Hemisphere, about 29° north of the equator. Traffic drives on the right.
Flag
United States
Capital
Washington, D.C.
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.
Annual Daylight
Working Hours
1h overlap