Colorado to Chicago time converter

Chicago is 2 hours behind Colorado. When it is 9:00 AM in Colorado, it is 7:00 AM in Chicago.

Colorado BRT

Wednesday, October 21, 2026

Chicago CDT

Wednesday, October 21, 2026

Colorado
Paraná, Brazil
Wed, Oct 21
BRTUTC-3
Chicago
Illinois, United States
Wed, Oct 21
CDTUTC-5-2h
Finding your time zone…
Shared working hours (9:00–18:00)

Colorado to Chicago conversion table

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

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

Best time to call or meet

Both sides are at work from 11:00 AM – 6:00 PM in Colorado (9:00 AM – 4:00 PM in Chicago).

Daylight saving time and the difference

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

  • Oct 21, 2026 – Nov 1, 2026: -2h
  • Nov 1, 2026 – Mar 14, 2027: -3h
  • Mar 14, 2027 – Oct 21, 2027: -2h

Distance

Colorado and Chicago are 8,075 km (5,018 miles) apart in a straight line.

More conversions

Chicago to ColoradoColorado to New YorkColorado to LondonColorado to Los AngelesColorado to TorontoColorado to São PauloColorado to ParisColorado to BerlinColorado to MoscowColorado to DubaiColorado to New DelhiColorado to BangkokColorado 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 Colorado and Chicago?

Chicago is 2 hours behind Colorado.

What time is it in Chicago when it is 9 AM in Colorado?

When it is 9:00 AM in Colorado, it is 7:00 AM in Chicago.

When is the best time to call Chicago from Colorado?

Both sides are at work from 11:00 AM – 6:00 PM in Colorado (9:00 AM – 4:00 PM in Chicago).

Does the time difference between Colorado 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.