Time Difference Between Seoul and San Antonio

The time difference between Seoul and San Antonio is 14 hours. When it is 12:00 noon in Seoul, it is 22:00 in San Antonio. Seoul uses the Asia/Seoul time zone (UTC+9), while San Antonio uses America/Chicago (UTC-5).

San Antonio is 14 hours behind Seoul — 14 hours
Seoul, South Korea
05:58:00
Friday, March 27, 2026
UTC+9 · KST
San Antonio, United States
15:58:00
Thursday, March 26, 2026
UTC-5 · CDT (DST)

Time Zone Details: Seoul vs San Antonio

Detail Seoul San Antonio
Time Zone IDAsia/SeoulAmerica/Chicago
UTC OffsetUTC+9UTC-5
AbbreviationKSTCDT
DST ActiveNoYes — currently observing
CountrySouth KoreaUnited States
RegionAsiaNorth America

Best Time to Schedule a Call

With a 14 hours gap, there is no standard business-hours overlap between Seoul and San Antonio. 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 Seoul time to San Antonio time. Rows highlighted in green indicate overlapping business hours in both cities.

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

Compare Seoul and San Antonio with Other Cities

From Seoul

From San Antonio

Frequently Asked Questions

What is the time difference between Seoul and San Antonio?

The time difference is 14 hours. San Antonio is 14 hours behind Seoul.

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 Seoul to San Antonio?

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 Seoul time to San Antonio time?

Subtract 14 hours from Seoul time to get San Antonio 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.