Ulsan to Chicago Time Difference
Chicago is 14 hours behind Ulsan
24-Hour Comparison
Business hours Extended Off hours
Ulsan
01a
02a
03a
04a
05a
06a
07a
08a
09a
10a
11a
12p
01p
02p
03p
04p
05p
06p
07p
08p
09p
10p
11p
12a
Chicago
11a
12p
01p
02p
03p
04p
05p
06p
07p
08p
09p
10p
11p
12a
01a
02a
03a
04a
05a
06a
07a
08a
09a
10a
Each column is the same moment in both cities, starting from right now and rolling forward 24 hours — daylight saving is already accounted for.
Best Time to Call
On a typical weekday (Monday–Friday).
Ulsan and Chicago have little to no overlap in typical business hours (9 AM–5 PM) — an early morning or evening call works best for one side.
Frequently Asked Questions
- What is the time difference between Ulsan and Chicago?
- Chicago is 14 hours behind Ulsan. Ulsan is currently UTC+9 and Chicago is UTC-5.
- Is Chicago ahead of or behind Ulsan?
- Chicago is behind Ulsan.
- What is the best time to call Chicago from Ulsan?
- Ulsan and Chicago have little to no overlap in typical business hours (9 AM–5 PM), even on a weekday — an early morning or evening call works best for one side.
- Does the time difference between Ulsan and Chicago change during the year?
- Yes. Ulsan and Chicago don't switch to daylight saving time on the same schedule, so the offset shifts by up to an hour for part of the year.