Sioux City to Seoul time converter

Seoul is 14 hours ahead of Sioux City. When it is 9:00 AM in Sioux City, it is 11:00 PM in Seoul.

Sioux City CDT

Tuesday, October 20, 2026

Seoul KST

Wednesday, October 21, 2026

Sioux City
Iowa, United States
Tue, Oct 20
CDTUTC-5
Seoul
South Korea
Wed, Oct 21
KSTUTC+9+14h
Finding your time zone…
Shared working hours (9:00–18:00)

Sioux City to Seoul conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 5:00 PM – 6:00 PM in Sioux City (7:00 AM – 8:00 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 Sioux City and Seoul switch clocks on different dates:

  • Oct 20, 2026 – Nov 1, 2026: +14h
  • Nov 1, 2026 – Mar 14, 2027: +15h
  • Mar 14, 2027 – Oct 20, 2027: +14h

Distance

Sioux City and Seoul are 10,090 km (6,270 miles) apart in a straight line.

More conversions

Seoul to Sioux CitySioux City to New YorkSioux City to LondonSioux City to Los AngelesSioux City to ChicagoSioux City to TorontoSioux City to São PauloSioux City to ParisSioux City to BerlinSioux City to MoscowSioux City to DubaiSioux City to New DelhiSioux City 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 Sioux City and Seoul?

Seoul is 14 hours ahead of Sioux City.

What time is it in Seoul when it is 9 AM in Sioux City?

When it is 9:00 AM in Sioux City, it is 11:00 PM in Seoul.

When is the best time to call Seoul from Sioux City?

Working hours don't overlap fully. The closest fit is 5:00 PM – 6:00 PM in Sioux City (7:00 AM – 8:00 AM in Seoul): working hours on one side, early or late on the other.

Does the time difference between Sioux City 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.