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Chicago Time Zone

Abbreviation: CDT - Central Daylight Time
UTC Offset: UTC-5
Chicago, Illinois, USA is 5 hours behind UTC.
DST Changes: Daylight Saving Time is currently being observed in Chicago.
Date DST Started: 12 March 2023
Clocks are turned forward 1 hour.
Date DST Ends: 05 November 2023
Clocks are turned backward 1 hour.






Chicago time comparison:

in Chicago to




Chicago City Information

Country: USA
State: Illinois
Latitude: 41° 50' North
Longitude: 87° 41' West
Area Code: +1-312 / 773 / 847 / 224 / 872 / 464 / 708 / 331 / 630

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Chicago Time Difference


See the time difference between Chicago, Illinois, USA and other cities and time zones

Airports near Chicago, Illinois, USA
  • O'Hare International Airport (ORD): about 17 miles (27 km) northwest of Chicago
  • Chicago Midway International Airport (MDW): about 8 miles (13 km) southwest of Chicago
  • Chicago Executive Airport (PWK): about 18 miles northwest of Chicago
  • Lewis University Airport (LOT): about 20 miles southwest of Chicago