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Time difference between Houston and Seoul

Seoul is 15 hours ahead of Houston.

Houston
United States · Central Standard Time
6:30 PM
Wednesday, November 11, 2026
Seoul
South Korea · Korean Standard Time
9:30 AM
Thursday, November 12, 2026
Compare more placesSeoul to Houston

Houston to Seoul time converter

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

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

Questions

What is the time difference between Houston and Seoul?

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

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

When it is 9:00 AM in Houston, it is 12:00 AM the next day in Seoul.

When is the best time to call Seoul from Houston?

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

Which days are working days in both Houston and Seoul?

Both Houston and Seoul usually work Monday to Friday.

Does the time difference between Houston and Seoul change?

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

Houston is 15 hours behind Seoul. More: time in Houston · time in Seoul

Time difference from Houston to other cities

All Houston time differences →

Time difference from Seoul