Time Difference Between San Antonio and Seoul

The time difference between San Antonio and Seoul is 14 hours. When it is 12:00 noon in San Antonio, it is 02:00 in Seoul. San Antonio uses the America/Chicago time zone (UTC-5), while Seoul uses Asia/Seoul (UTC+9).

Seoul is 14 hours ahead of San Antonio — 14 hours
San Antonio, United States
17:23:10
Thursday, March 26, 2026
UTC-5 · CDT (DST)
Seoul, South Korea
07:23:10
Friday, March 27, 2026
UTC+9 · KST

Time Zone Details: San Antonio vs Seoul

Detail San Antonio Seoul
Time Zone IDAmerica/ChicagoAsia/Seoul
UTC OffsetUTC-5UTC+9
AbbreviationCDTKST
DST ActiveYes — currently observingNo
CountryUnited StatesSouth Korea
RegionNorth AmericaAsia

Best Time to Schedule a Call

With a 14 hours gap, there is no standard business-hours overlap between San Antonio and Seoul. One party will need to adjust their schedule. Early mornings in Seoul or late evenings in San Antonio tend to be the most practical compromise.

Hour-by-Hour Time Conversion

Use this table to quickly convert any hour from San Antonio time to Seoul time. Rows highlighted in green indicate overlapping business hours in both cities.

San Antonio Seoul
00:00 14:00 Night
01:00 15:00 Night
02:00 16:00 Night
03:00 17:00 Night
04:00 18:00 Night
05:00 19:00 Night
06:00 20:00
07:00 21:00
08:00 22:00
09:00 23:00
10:00 00:00 (+1 day)
11:00 01:00 (+1 day)
12:00 02:00 (+1 day)
13:00 03:00 (+1 day)
14:00 04:00 (+1 day)
15:00 05:00 (+1 day)
16:00 06:00 (+1 day)
17:00 07:00 (+1 day)
18:00 08:00 (+1 day)
19:00 09:00 (+1 day)
20:00 10:00 (+1 day)
21:00 11:00 (+1 day)
22:00 12:00 (+1 day) Night
23:00 13:00 (+1 day) Night

Daylight Saving Time (DST) Impact

San Antonio is currently observing daylight saving time, while Seoul is on standard time. When San Antonio switches back to standard time, the difference between these two cities will shift by 1 hour.

Practical Tips for San Antonio–Seoul Scheduling

Compare San Antonio and Seoul with Other Cities

From San Antonio

From Seoul

Frequently Asked Questions

What is the time difference between San Antonio and Seoul?

The time difference is 14 hours. Seoul is 14 hours ahead of San Antonio.

Does the time difference change during the year?

Yes. One of these cities observes DST while the other does not, so the difference shifts by 1 hour when DST begins or ends.

When is the best time to call from San Antonio to Seoul?

There is no ideal window during standard business hours. Consider scheduling at the edges — early morning for the city that is ahead and late afternoon for the city that is behind.

How do I convert San Antonio time to Seoul time?

Add 14 hours to San Antonio time to get Seoul time. Use the hour-by-hour table above for a quick reference.

Related Pages

For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.