United States to Chicago time converter

Chicago is 1 hour behind United States. When it is 9:00 AM in United States, it is 8:00 AM in Chicago.

United States EDT

Friday, October 16, 2026

Chicago CDT

Friday, October 16, 2026

United States
Washington, D.C.
Fri, Oct 16
EDTUTC-4
Chicago
Illinois, United States
Fri, Oct 16
CDTUTC-5-1h
Finding your time zone…
Shared working hours (9:00–18:00)

United States to Chicago conversion table

Every hour of today in United States and the matching time in Chicago. Light rows are typical working hours (9:00–18:00).

United StatesChicago
12:00 AM11:00 PM−1 day
1:00 AM12:00 AM
2:00 AM1:00 AM
3:00 AM2:00 AM
4:00 AM3:00 AM
5:00 AM4:00 AM
6:00 AM5:00 AM
7:00 AM6:00 AM
8:00 AM7:00 AM
9:00 AM8:00 AM
10:00 AM9:00 AM
11:00 AM10:00 AM
12:00 PM11:00 AM
1:00 PM12:00 PM
2:00 PM1:00 PM
3:00 PM2:00 PM
4:00 PM3:00 PM
5:00 PM4:00 PM
6:00 PM5:00 PM
7:00 PM6:00 PM
8:00 PM7:00 PM
9:00 PM8:00 PM
10:00 PM9:00 PM
11:00 PM10:00 PM

Best time to call or meet

Both sides are at work from 10:00 AM – 6:00 PM in United States (9:00 AM – 5:00 PM in Chicago).

Daylight saving time and the difference

The difference changes during the year because United States and Chicago switch clocks on different dates:

  • Oct 16, 2026 – Nov 1, 2026: -1h
  • Nov 1, 2026 – Nov 1, 2026: ±0
  • Nov 1, 2026 – Mar 14, 2027: -1h
  • Mar 14, 2027 – Mar 14, 2027: -2h
  • Mar 14, 2027 – Oct 16, 2027: -1h

More conversions

Chicago to United StatesUnited States to New YorkUnited States to LondonUnited States to Los AngelesUnited States to TorontoUnited States to São PauloUnited States to ParisUnited States to BerlinUnited States to MoscowUnited States to DubaiUnited States to New DelhiUnited States to BangkokUnited States to Singapore
New York to ChicagoLondon to ChicagoLos Angeles to ChicagoToronto to ChicagoSão Paulo to ChicagoParis to ChicagoBerlin to ChicagoMoscow to ChicagoDubai to ChicagoNew Delhi to ChicagoBangkok to ChicagoSingapore to Chicago

Questions and answers

What is the time difference between United States and Chicago?

Chicago is 1 hour behind United States.

What time is it in Chicago when it is 9 AM in United States?

When it is 9:00 AM in United States, it is 8:00 AM in Chicago.

When is the best time to call Chicago from United States?

Both sides are at work from 10:00 AM – 6:00 PM in United States (9:00 AM – 5:00 PM in Chicago).

Does the time difference between United States and Chicago change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.