Dayton to Seoul time converter

Seoul is 13 hours ahead of Dayton. When it is 9:00 AM in Dayton, it is 10:00 PM in Seoul.

Dayton EDT

Tuesday, October 20, 2026

Seoul KST

Tuesday, October 20, 2026

Ohio, United States
Tue, Oct 20
EDTUTC-4
South Korea
Tue, Oct 20
KSTUTC+9+13h
Finding your time zone…

9:24 AM in Dayton, Tuesday, October 20, 2026

Shared working hours (9:00–18:00)

Dayton to Seoul conversion table

Every hour of today in Dayton and the matching time in Seoul. Light rows are typical working hours (9:00–18:00).

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 8:00 PM – 10:00 PM in Dayton (9:00 AM – 11:00 AM in Seoul): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference changes during the year because Dayton and Seoul switch clocks on different dates:

  • Oct 20, 2026 – Nov 1, 2026: +13h
  • Nov 1, 2026 – Mar 14, 2027: +14h
  • Mar 14, 2027 – Oct 20, 2027: +13h

Distance

Dayton and Seoul are 10,847 km (6,740 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Dayton and Seoul?

Seoul is 13 hours ahead of Dayton.

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

When it is 9:00 AM in Dayton, it is 10:00 PM in Seoul.

When is the best time to call Seoul from Dayton?

Working hours don't overlap fully. The closest fit is 8:00 PM – 10:00 PM in Dayton (9:00 AM – 11:00 AM in Seoul): working hours on one side, early or late on the other.

Does the time difference between Dayton and Seoul change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.