Sioux Falls to Seoul time converter

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

Sioux Falls CDT

Monday, October 19, 2026

Seoul KST

Tuesday, October 20, 2026

Sioux Falls
South Dakota, United States
Mon, Oct 19
CDTUTC-5
Seoul
South Korea
Tue, Oct 20
KSTUTC+9+14h
Finding your time zone…
Shared working hours (9:00–18:00)

Sioux Falls to Seoul conversion table

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

Sioux FallsSeoul
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 Falls (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 Falls and Seoul switch clocks on different dates:

  • Oct 19, 2026 – Nov 1, 2026: +14h
  • Nov 1, 2026 – Mar 14, 2027: +15h
  • Mar 14, 2027 – Oct 19, 2027: +14h

Distance

Sioux Falls and Seoul are 9,978 km (6,200 miles) apart in a straight line.

More conversions

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

Seoul is 14 hours ahead of Sioux Falls.

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

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

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

Working hours don't overlap fully. The closest fit is 5:00 PM – 6:00 PM in Sioux Falls (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 Falls 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.