Time difference: Chicago and Seoul

Convert Chicago to Seoul, with daylight saving time handled for you.

Now in Chicago

9:04 PM

Chicago time zone

Now in Seoul

11:04 AM

Seoul time zone

Results

9:04 PM Chicago in Seoul

11:04 AM

Seoul · next day · right now Seoul is 14 hours ahead of Chicago

Times follow Chicago for Chicago and Seoul for Seoul, using the IANA time zone database.

Chicago to Seoul time difference

Seoul is 14 hours ahead of Chicago for most of 2026, and 15 hours ahead of Chicago for about 127 days, because daylight saving time changes on different dates.

In 2026, Chicago switches to daylight saving time on March 8 and back to standard time on November 1. Seoul does not use daylight saving time.

Chicago to Seoul conversion table

Every hour on 2026-10-20. Highlighted rows fall inside 9 AM–5 PM in both zones.

ChicagoSeoul
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 · next day
11:00 AM1:00 AM · next day
12:00 PM2:00 AM · next day
1:00 PM3:00 AM · next day
2:00 PM4:00 AM · next day
3:00 PM5:00 AM · next day
4:00 PM6:00 AM · next day
5:00 PM7:00 AM · next day
6:00 PM8:00 AM · next day
7:00 PM9:00 AM · next day
8:00 PM10:00 AM · next day
9:00 PM11:00 AM · next day
10:00 PM12:00 PM · next day
11:00 PM1:00 PM · next day

Working hours overlap

On 2026-10-20, 9 AM–5 PM workdays in Chicago and Seoul don't overlap. Try an early start in one zone and a late finish in the other, or use the meeting planner.

More time differences with Chicago

How to use

Follow these steps to get a result

  1. Pick a date and a time in Chicago.

  2. Read the matching Seoul time, including whether it falls on the next or previous day.

  3. Scan the 24-hour table to see every hour at once, with shared working hours highlighted.

Features

What this tool includes

  • Live clocks for both time zones

  • Daylight saving time handled automatically

  • 24-hour conversion table

  • Working-hours overlap

FAQ

Common questions about this tool

Seoul is 14 hours ahead of Chicago for most of 2026, and 15 hours ahead of Chicago for about 127 days, because daylight saving time changes on different dates.

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Continue with something nearby

Time zone rules come from the IANA time zone database; daylight saving changes are applied automatically. Methodology · Data sources