South Korea
Seoul

South Korea

United States
Chicago

United States

Seoul to Chicago Time Difference

Chicago is 14 hours behind Seoul

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

Seoul vs Chicago — At a Glance

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

Seoul to Chicago — Hour-by-Hour

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

About Seoul and Chicago

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

Business Hours Overlap

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

Calling Between Cities

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

Currency

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

Language

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

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

Frequently Asked Questions

What is the time difference between Seoul and Chicago?

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

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

When it's 12:00 PM (noon) in Seoul, it's 10:00 PM in Chicago.

What is the best time to call Chicago from Seoul?

The best time to call Chicago from Seoul is during the overlapping business hours. When it's 9 AM in Seoul, it's 7:00 PM in Chicago. Aim for late morning to early afternoon in Seoul for the best chance of reaching someone during working hours.

What currency does Chicago use?

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

What language is spoken in Chicago?

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

How do I dial Chicago from Seoul?

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

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