Seoul to Gahanna time converter

Gahanna is 13 hours behind Seoul. When it is 9:00 AM in Seoul, it is 8:00 PM (Wed, Oct 21) in Gahanna.

Seoul KST

Thursday, October 22, 2026

Gahanna EDT

Wednesday, October 21, 2026

Seoul
South Korea
Thu, Oct 22
KSTUTC+9
Gahanna
Ohio, United States
Wed, Oct 21
EDTUTC-4-13h
Finding your time zone…
Shared working hours (9:00–18:00)

Seoul to Gahanna conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 22, 2026 – Nov 1, 2026: -13h
  • Nov 1, 2026 – Mar 14, 2027: -14h
  • Mar 14, 2027 – Oct 22, 2027: -13h

Distance

Seoul and Gahanna are 10,866 km (6,752 miles) apart in a straight line.

More conversions

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New York to GahannaLondon to GahannaLos Angeles to GahannaChicago to GahannaToronto to GahannaSão Paulo to GahannaParis to GahannaBerlin to GahannaMoscow to GahannaDubai to GahannaNew Delhi to GahannaBangkok to Gahanna

Questions and answers

What is the time difference between Seoul and Gahanna?

Gahanna is 13 hours behind Seoul.

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

When it is 9:00 AM in Seoul, it is 8:00 PM (Wed, Oct 21) in Gahanna.

When is the best time to call Gahanna from Seoul?

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

Does the time difference between Seoul and Gahanna change?

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