Chicago to United States time converter

United States is 1 hour ahead of Chicago. When it is 9:00 AM in Chicago, it is 10:00 AM in United States.

Chicago CDT

Friday, October 16, 2026

United States EDT

Friday, October 16, 2026

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

Chicago to United States conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

The difference changes during the year because Chicago and United States 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

United States to ChicagoChicago to New YorkChicago to LondonChicago to Los AngelesChicago to TorontoChicago to São PauloChicago to ParisChicago to BerlinChicago to MoscowChicago to DubaiChicago to New DelhiChicago to BangkokChicago to Singapore
New York to United StatesLondon to United StatesLos Angeles to United StatesToronto to United StatesSão Paulo to United StatesParis to United StatesBerlin to United StatesMoscow to United StatesDubai to United StatesNew Delhi to United StatesBangkok to United StatesSingapore to United States

Questions and answers

What is the time difference between Chicago and United States?

United States is 1 hour ahead of Chicago.

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

When it is 9:00 AM in Chicago, it is 10:00 AM in United States.

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

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

Does the time difference between Chicago and United States change?

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