Seoul to Sioux City time converter

Sioux City is 14 hours behind Seoul. When it is 9:00 AM in Seoul, it is 7:00 PM (Tue, Oct 20) in Sioux City.

Seoul KST

Wednesday, October 21, 2026

Sioux City CDT

Wednesday, October 21, 2026

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

Seoul to Sioux City conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 21, 2026 – Nov 1, 2026: -14h
  • Nov 1, 2026 – Mar 14, 2027: -15h
  • Mar 14, 2027 – Oct 21, 2027: -14h

Distance

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

More conversions

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Questions and answers

What is the time difference between Seoul and Sioux City?

Sioux City is 14 hours behind Seoul.

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

When it is 9:00 AM in Seoul, it is 7:00 PM (Tue, Oct 20) in Sioux City.

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

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

Does the time difference between Seoul and Sioux City change?

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