Seoul to Kotka time converter

Kotka is 6 hours behind Seoul. When it is 9:00 AM in Seoul, it is 3:00 AM in Kotka.

Seoul KST

Tuesday, October 20, 2026

Kotka EEST

Tuesday, October 20, 2026

Seoul
South Korea
Tue, Oct 20
KSTUTC+9
Kotka
Finland
Tue, Oct 20
EESTUTC+3-6h
Finding your time zone…
Shared working hours (9:00–18:00)

Seoul to Kotka conversion table

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

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

Best time to call or meet

Both sides are at work from 3:00 PM – 6:00 PM in Seoul (9:00 AM – 12:00 PM in Kotka).

Daylight saving time and the difference

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

  • Oct 20, 2026 – Oct 25, 2026: -6h
  • Oct 25, 2026 – Mar 28, 2027: -7h
  • Mar 28, 2027 – Oct 20, 2027: -6h

Distance

Seoul and Kotka are 6,945 km (4,315 miles) apart in a straight line.

More conversions

Kotka to SeoulSeoul to New YorkSeoul to LondonSeoul to Los AngelesSeoul to ChicagoSeoul to TorontoSeoul to São PauloSeoul to ParisSeoul to BerlinSeoul to MoscowSeoul to DubaiSeoul to New DelhiSeoul to Bangkok
New York to KotkaLondon to KotkaLos Angeles to KotkaChicago to KotkaToronto to KotkaSão Paulo to KotkaParis to KotkaBerlin to KotkaMoscow to KotkaDubai to KotkaNew Delhi to KotkaBangkok to Kotka

Questions and answers

What is the time difference between Seoul and Kotka?

Kotka is 6 hours behind Seoul.

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

When it is 9:00 AM in Seoul, it is 3:00 AM in Kotka.

When is the best time to call Kotka from Seoul?

Both sides are at work from 3:00 PM – 6:00 PM in Seoul (9:00 AM – 12:00 PM in Kotka).

Does the time difference between Seoul and Kotka change?

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