EST to San Antonio Time Converter
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Quick answers
Selected conversion
10:30 am10:30 EST (UTC-5), Nov 1, 2026 = 9:30 am09:30 CST (UTC-6), Nov 1, 2026
EST is 1 hour ahead of San Antonio.
How the time difference changes
For most of the year, EDT is 1 hour ahead of San Antonio. From Nov 1, 2026 to Mar 14, 2027, EST is 1 hour ahead of San Antonio. Briefly around clock changes, EDT is 2 hours ahead of San Antonio or EST and San Antonio have the same time.
For most of the year, working hours of 9:00 am to 6:00 pm in EDT correspond to 8:00 am to 5:00 pm in San Antonio. At other times of the year, working hours of 9:00 am to 6:00 pm in EST correspond to 8:00 am to 5:00 pm in San Antonio.For most of the year, working hours of 09:00 to 18:00 in EDT correspond to 08:00 to 17:00 in San Antonio. At other times of the year, working hours of 09:00 to 18:00 in EST correspond to 08:00 to 17:00 in San Antonio.
Compare EST time with San Antonio time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Eastern Standard Time is 1 hour ahead of CST (Central Standard Time).
10:30 am10:30 in EST is 9:30 am09:30 in San Antonio, TX, USA
EST to San Antonio call time
Best time for a conference call or a meeting is between 10am-6pm10:00-18:00 in EST which corresponds to 9am-5pm09:00-17:00 in San Antonio
10:30 am10:30 Eastern Standard Time (EST). Offset UTC -5:00 hours
9:30 am09:30 CST (Central Standard Time) (San Antonio, TX, USA). Offset UTC -6:00 hours
10:30 am10:30 EST / 9:30 am09:30 San Antonio, TX, USA
Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.
| EST | San Antonio, TX, USA |
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| 11:00pm previous day CDT UTC-5 | |
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| 23:00 previous day CDT UTC-5 | |
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Eastern Standard Time
Offset: EST is 5 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Bahamas, Canada, Cayman Islands, Haiti, Jamaica, Mexico, Panama, Turks and Caicos Islands, United States
Principal Cities: The largest city in the EST time zone is New York City in the United States, with about 8.804 million people. Other major cities in this time zone include Toronto, Montréal, Philadelphia, Port-au-Prince.
French: HNE - Heure Normale de l'Est
Spanish: ET - Tiempo del Este, ET - Zona Sureste
Today all shaded areas are on EST.
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Eastern Daylight Time (EDT).
Start: Eastern Standard Time (EST) started on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.
End: Eastern Standard Time (EST) ends on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.
See USA daylight saving time and upcoming clock changes worldwide.
EST representations, usage and related time zones
- -05 - basic short
- -0500 - basic
- -05:00 - extended
- -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates an offset of five hours to the west of the zero meridian.
- Romeo - Military abbreviation for EST
- R - short form of 'Romeo'
- America/Atikokan
- America/Cancun
- America/Cayman
- America/Coral_Harbour
- America/Detroit
- America/Fort_Wayne
- America/Grand_Turk
- America/Indiana/Indianapolis
- America/Indiana/Marengo
- America/Indiana/Petersburg
- America/Indiana/Vevay
- America/Indiana/Vincennes
- America/Indiana/Winamac
- America/Indianapolis
- America/Iqaluit
- America/Jamaica
- America/Kentucky/Louisville
- America/Kentucky/Monticello
- America/Louisville
- America/Montreal
- America/Nassau
- America/New_York
- America/Nipigon
- America/Panama
- America/Pangnirtung
- America/Port-au-Prince
- America/Thunder_Bay
- America/Toronto
- Canada/Eastern
- EST
- EST5EDT
- Jamaica
- US/East-Indiana
- US/Eastern
- US/Michigan
- CDT - Central Daylight Time
- EST - Eastern Standard Time
- ET - Eastern Time
- COT - Colombia Time
- CST - Cuba Standard Time
- EASST - Easter Island Summer Time
- ECT - Ecuador Time
- PET - Peru Time
- R - Romeo Time Zone
San Antonio Time Zone and Facts
Time Zone
CDT – Central Daylight Time, UTC-5 (daylight saving time)