Seoul to Ustka time converter

Ustka is 7 hours behind Seoul. When it is 9:00 AM in Seoul, it is 2:00 AM in Ustka.

Seoul KST

Tuesday, October 20, 2026

Ustka CEST

Monday, October 19, 2026

Seoul
South Korea
Tue, Oct 20
KSTUTC+9
Ustka
Poland
Mon, Oct 19
CESTUTC+2-7h
Finding your time zone…
Shared working hours (9:00–18:00)

Seoul to Ustka conversion table

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

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

Best time to call or meet

Both sides are at work from 4:00 PM – 6:00 PM in Seoul (9:00 AM – 11:00 AM in Ustka).

Daylight saving time and the difference

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

  • Oct 20, 2026 – Oct 25, 2026: -7h
  • Oct 25, 2026 – Mar 28, 2027: -8h
  • Mar 28, 2027 – Oct 20, 2027: -7h

Distance

Seoul and Ustka are 7,805 km (4,850 miles) apart in a straight line.

More conversions

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New York to UstkaLondon to UstkaLos Angeles to UstkaChicago to UstkaToronto to UstkaSão Paulo to UstkaParis to UstkaBerlin to UstkaMoscow to UstkaDubai to UstkaNew Delhi to UstkaBangkok to Ustka

Questions and answers

What is the time difference between Seoul and Ustka?

Ustka is 7 hours behind Seoul.

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

When it is 9:00 AM in Seoul, it is 2:00 AM in Ustka.

When is the best time to call Ustka from Seoul?

Both sides are at work from 4:00 PM – 6:00 PM in Seoul (9:00 AM – 11:00 AM in Ustka).

Does the time difference between Seoul and Ustka change?

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