Time difference: Chicago and Ulsan

Ulsan is 14 hours ahead of Chicago.

Ulsan is 14 hours ahead of Chicago. Chicago is UTC-5. Ulsan is UTC+9.

Chicago on 15 October 2026: sunrise 07:03, sunset 18:08, day length 11 h 6 min.

Ulsan on 15 October 2026: sunrise 06:28, sunset 17:47, day length 11 h 19 min.

For Chicago and Ulsan: The next clock change in Chicago is 1 hour back on 1 November 2026 at 02:00, from UTC-5 to UTC-6.

For Ulsan and Chicago: Ulsan has no clock change scheduled in the next year. The last year with a seasonal offset change was 1988. The offset now is UTC+9.

When the difference changes
Change
The gap changes on 1 November 2026 at 02:00, when clocks in Chicago move back 1 hour.
The gap changes on 14 March 2027 at 02:00, when clocks in Chicago move forward 1 hour.
The gap changes on 7 November 2027 at 02:00, when clocks in Chicago move back 1 hour.
Working hours from each side
View09:00 to 17:00
From ChicagoChicago and Ulsan have no hour that is 09:00 to 17:00 in both cities.
From UlsanUlsan and Chicago have no hour that is 09:00 to 17:00 in both cities.
Hours in Chicago and Ulsan. Shaded cells are 09:00 to 17:00. The stronger shade is when both are.
ChicagoUlsan
00:0014:00
01:0015:00
02:0016:00
03:0017:00
04:0018:00
05:0019:00
06:0020:00
07:0021:00
08:0022:00
09:0023:00
10:0000:00 (next day)
11:0001:00 (next day)
12:0002:00 (next day)
13:0003:00 (next day)
14:0004:00 (next day)
15:0005:00 (next day)
16:0006:00 (next day)
17:0007:00 (next day)
18:0008:00 (next day)
19:0009:00 (next day)
20:0010:00 (next day)
21:0011:00 (next day)
22:0012:00 (next day)
23:0013:00 (next day)
Sun this year
CityLongest dayShortest day
Chicago with Ulsan21 June 2026, 15 h 14 min21 December 2026, 9 h 8 min
Ulsan with Chicago21 June 2026, 14 h 34 min22 December 2026, 9 h 45 min
Next public holidays
CityDateHoliday
Chicago and Ulsan11 November 2026Veterans Day
Chicago and Ulsan26 November 2026Thanksgiving Day
Ulsan and Chicago25 December 2026기독탄신일
Ulsan and Chicago1 January 2027신정