Ulsan to Chicago time converter

Chicago is 14 hours behind Ulsan. When it is 9:00 AM in Ulsan, it is 7:00 PM (Fri, Oct 16) in Chicago.

Ulsan KST

Saturday, October 17, 2026

Chicago CDT

Friday, October 16, 2026

Ulsan
South Korea
Sat, Oct 17
KSTUTC+9
Chicago
Illinois, United States
Fri, Oct 16
CDTUTC-5-14h
Finding your time zone…
Shared working hours (9:00–18:00)

Ulsan to Chicago conversion table

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

UlsanChicago
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 Ulsan (5:00 PM – 6:00 PM in Chicago): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference changes during the year because Ulsan and Chicago switch clocks on different dates:

  • Oct 17, 2026 – Nov 1, 2026: -14h
  • Nov 1, 2026 – Mar 14, 2027: -15h
  • Mar 14, 2027 – Oct 17, 2027: -14h

Distance

Ulsan and Chicago are 10,623 km (6,601 miles) apart in a straight line.

More conversions

Chicago to UlsanUlsan to New YorkUlsan to LondonUlsan to Los AngelesUlsan to TorontoUlsan to São PauloUlsan to ParisUlsan to BerlinUlsan to MoscowUlsan to DubaiUlsan to New DelhiUlsan to BangkokUlsan to Singapore
New York to ChicagoLondon to ChicagoLos Angeles to ChicagoToronto to ChicagoSão Paulo to ChicagoParis to ChicagoBerlin to ChicagoMoscow to ChicagoDubai to ChicagoNew Delhi to ChicagoBangkok to ChicagoSingapore to Chicago

Questions and answers

What is the time difference between Ulsan and Chicago?

Chicago is 14 hours behind Ulsan.

What time is it in Chicago when it is 9 AM in Ulsan?

When it is 9:00 AM in Ulsan, it is 7:00 PM (Fri, Oct 16) in Chicago.

When is the best time to call Chicago from Ulsan?

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

Does the time difference between Ulsan and Chicago change?

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