United States
Chicago

United States

South Korea
Seoul

South Korea

Chicago to Seoul Time Difference

Seoul is 14 hours ahead of Chicago

ChicagoUnited States
8:56 PM
Wednesday, April 1, 2026
UTC-5
SeoulSouth Korea
10:56 AM
Thursday, April 2, 2026
UTC+9

Chicago vs Seoul — At a Glance

Chicago
Seoul
Time Zone
UTC-5
UTC+9
Currency
USD
KRW
Language
English
Korean
Dial Code
+1
+82
Hub Type
finance
tech

Chicago to Seoul — Hour-by-Hour

Chicago, United States
Seoul, South Korea
12:00 AM
2:00 PM
1:00 AM
3:00 PM
2:00 AM
4:00 PM
3:00 AM
5:00 PM
4:00 AM
6:00 PM
5:00 AM
7:00 PM
6:00 AM
8:00 PM
7:00 AM
9:00 PM
8:00 AM
10:00 PM
9:00 AM
11:00 PM
10:00 AM
12:00 AM(Apr 2)
11:00 AM
1:00 AM(Apr 2)
12:00 PM
2:00 AM(Apr 2)
1:00 PM
3:00 AM(Apr 2)
2:00 PM
4:00 AM(Apr 2)
3:00 PM
5:00 AM(Apr 2)
4:00 PM
6:00 AM(Apr 2)
5:00 PM
7:00 AM(Apr 2)
6:00 PM
8:00 AM(Apr 2)
7:00 PM
9:00 AM(Apr 2)
8:00 PM
10:00 AM(Apr 2)
9:00 PM
11:00 AM(Apr 2)
10:00 PM
12:00 PM(Apr 2)
11:00 PM
1:00 PM(Apr 2)

About Chicago and Seoul

Chicago (population: 2.7M) is known for commodities trading, deep-dish pizza, architecture, and the Chicago Board of Trade. Seoul (population: 9.7M) is known for Samsung and LG headquarters, K-pop culture, Gangnam, and rapid tech innovation.

Business Hours Overlap

The 14-hour gap means Chicago and Seoul have almost no standard-hours overlap. Early morning calls from Chicago or late evening calls from Seoul are the most practical options.

Calling Between Cities

With 14 hours between Chicago (+1) and Seoul (+82), finding a mutually convenient calling time is tricky. Consider scheduling calls in advance rather than calling spontaneously.

Currency

Chicago uses USD while Seoul uses KRW. Check current exchange rates before making payments or transferring funds between the two cities.

Language

Chicago primarily speaks English, while Seoul speaks Korean. For business communication, English is commonly used as a bridge language in international settings.

Use our world clock tool to compare Chicago and Seoul visually, or browse more timezone conversions.

Frequently Asked Questions

What is the time difference between Chicago and Seoul?

Seoul, South Korea is 14 hours ahead of Chicago, United States. Chicago is in the America/Chicago timezone (UTC-5) and Seoul is in the Asia/Seoul timezone (UTC+9).

When it's noon in Chicago, what time is it in Seoul?

When it's 12:00 PM (noon) in Chicago, it's 2:00 AM in Seoul.

What is the best time to call Seoul from Chicago?

The best time to call Seoul from Chicago is during the overlapping business hours. When it's 9 AM in Chicago, it's 11:00 PM in Seoul. Aim for late morning to early afternoon in Chicago for the best chance of reaching someone during working hours.

What currency does Seoul use?

Seoul, South Korea uses KRW. Chicago uses USD. You will need to check the current exchange rate for transactions between the two.

What language is spoken in Seoul?

The primary language in Seoul is Korean. English is widely used for international business communication.

How do I dial Seoul from Chicago?

To call Seoul from Chicago, dial your international access code followed by +82 and the local number. Chicago uses country code +1 and Seoul uses +82.

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