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Time difference between Seoul and Houston

Houston is 15 hours behind Seoul.

Seoul
South Korea · Korean Standard Time
9:47 AM
Thursday, November 12, 2026
Houston
United States · Central Standard Time
6:47 PM
Wednesday, November 11, 2026

Seoul to Houston time converter

Green rows are office hours in both places; light green rows are when both are awake.

SeoulHouston
12:00 AM9:00 AM (previous day)
1:00 AM10:00 AM (previous day)
2:00 AM11:00 AM (previous day)
3:00 AM12:00 PM (previous day)
4:00 AM1:00 PM (previous day)
5:00 AM2:00 PM (previous day)
6:00 AM3:00 PM (previous day)
7:00 AM4:00 PM (previous day)
8:00 AM5:00 PM (previous day)
9:00 AM6:00 PM (previous day)
10:00 AM7:00 PM (previous day)
11:00 AM8:00 PM (previous day)
12:00 PM9:00 PM (previous day)
1:00 PM10:00 PM (previous day)
2:00 PM11:00 PM (previous day)
3:00 PM12:00 AM
4:00 PM1:00 AM
5:00 PM2:00 AM
6:00 PM3:00 AM
7:00 PM4:00 AM
8:00 PM5:00 AM
9:00 PM6:00 AM
10:00 PM7:00 AM
11:00 PM8:00 AM

Questions

What is the time difference between Seoul and Houston?

Houston is 15 hours behind Seoul. Seoul is on UTC+9 and Houston is on UTC−6.

What time is it in Houston when it is 9 AM in Seoul?

When it is 9:00 AM in Seoul, it is 6:00 PM the previous day in Houston.

When is the best time to call Houston from Seoul?

There are no shared office hours. The most comfortable time to call is 8:00 AM–1:00 PM in Seoul (5:00 PM–10:00 PM in Houston), when both places are awake.

Which days are working days in both Seoul and Houston?

Both Seoul and Houston usually work Monday to Friday.

Does the time difference between Seoul and Houston change?

Yes. Because of daylight saving time, the difference changes on Sunday, March 14, 2027, when Houston will be 14 hours behind Seoul.

Seoul is 15 hours ahead of Houston. More: time in Seoul · time in Houston

Time difference from Seoul to other cities

All Seoul time differences →

Time difference from Houston