Willoughby to Seoul time converter

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

Willoughby EDT

Monday, October 19, 2026

Seoul KST

Tuesday, October 20, 2026

Willoughby
Ohio, United States
Mon, Oct 19
EDTUTC-4
Seoul
South Korea
Tue, Oct 20
KSTUTC+9+13h
Finding your time zone…
Shared working hours (9:00–18:00)

Willoughby to Seoul conversion table

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

WilloughbySeoul
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 Willoughby (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 Willoughby and Seoul switch clocks on different dates:

  • Oct 19, 2026 – Nov 1, 2026: +13h
  • Nov 1, 2026 – Mar 14, 2027: +14h
  • Mar 14, 2027 – Oct 19, 2027: +13h

Distance

Willoughby and Seoul are 10,749 km (6,679 miles) apart in a straight line.

More conversions

Seoul to WilloughbyWilloughby to New YorkWilloughby to LondonWilloughby to Los AngelesWilloughby to ChicagoWilloughby to TorontoWilloughby to São PauloWilloughby to ParisWilloughby to BerlinWilloughby to MoscowWilloughby to DubaiWilloughby to New DelhiWilloughby to Bangkok
New York to SeoulLondon to SeoulLos Angeles to SeoulChicago to SeoulToronto to SeoulSão Paulo to SeoulParis to SeoulBerlin to SeoulMoscow to SeoulDubai to SeoulNew Delhi to SeoulBangkok to Seoul

Questions and answers

What is the time difference between Willoughby and Seoul?

Seoul is 13 hours ahead of Willoughby.

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

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

When is the best time to call Seoul from Willoughby?

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

Does the time difference between Willoughby 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.