Time Difference Between Busan and Chicago

The time difference between Busan and Chicago is 14 hours. When it is 12:00 noon in Busan, it is 22:00 in Chicago. Busan uses the Asia/Seoul time zone (UTC+9), while Chicago uses America/Chicago (UTC-5).

Chicago is 14 hours behind Busan — 14 hours
Busan, South Korea
07:19:34
Friday, March 27, 2026
UTC+9 · KST
Chicago, United States
17:19:34
Thursday, March 26, 2026
UTC-5 · CDT (DST)

Time Zone Details: Busan vs Chicago

Detail Busan Chicago
Time Zone IDAsia/SeoulAmerica/Chicago
UTC OffsetUTC+9UTC-5
AbbreviationKSTCDT
DST ActiveNoYes — currently observing
CountrySouth KoreaUnited States
RegionAsiaNorth America

Best Time to Schedule a Call

With a 14 hours gap, there is no standard business-hours overlap between Busan and Chicago. One party will need to adjust their schedule. Early mornings in Busan or late evenings in Chicago tend to be the most practical compromise.

Hour-by-Hour Time Conversion

Use this table to quickly convert any hour from Busan time to Chicago time. Rows highlighted in green indicate overlapping business hours in both cities.

Busan Chicago
00:00 10:00 (-1 day) Night
01:00 11:00 (-1 day) Night
02:00 12:00 (-1 day) Night
03:00 13:00 (-1 day) Night
04:00 14:00 (-1 day) Night
05:00 15:00 (-1 day) Night
06:00 16:00 (-1 day)
07:00 17:00 (-1 day)
08:00 18:00 (-1 day)
09:00 19:00 (-1 day)
10:00 20:00 (-1 day)
11:00 21:00 (-1 day)
12:00 22:00 (-1 day)
13:00 23:00 (-1 day)
14:00 00:00
15:00 01:00
16:00 02:00
17:00 03:00
18:00 04:00
19:00 05:00
20:00 06:00
21:00 07:00
22:00 08:00 Night
23:00 09:00 Night

Daylight Saving Time (DST) Impact

Chicago is currently observing daylight saving time, while Busan is on standard time. When Chicago switches back to standard time, the difference between these two cities will shift by 1 hour.

Practical Tips for Busan–Chicago Scheduling

Compare Busan and Chicago with Other Cities

From Busan

From Chicago

Frequently Asked Questions

What is the time difference between Busan and Chicago?

The time difference is 14 hours. Chicago is 14 hours behind Busan.

Does the time difference change during the year?

Yes. One of these cities observes DST while the other does not, so the difference shifts by 1 hour when DST begins or ends.

When is the best time to call from Busan to Chicago?

There is no ideal window during standard business hours. Consider scheduling at the edges — early morning for the city that is ahead and late afternoon for the city that is behind.

How do I convert Busan time to Chicago time?

Subtract 14 hours from Busan time to get Chicago time. Use the hour-by-hour table above for a quick reference.

Related Pages

For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.