Chattanooga to Chicago time converter

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

Chattanooga EDT

Sunday, October 18, 2026

Chicago CDT

Sunday, October 18, 2026

Chattanooga
Tennessee, United States
Sun, Oct 18
EDTUTC-4
Chicago
Illinois, United States
Sun, Oct 18
CDTUTC-5-1h
Finding your time zone…
Shared working hours (9:00–18:00)

Chattanooga to Chicago conversion table

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

ChattanoogaChicago
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 Chattanooga (9:00 AM – 5:00 PM in Chicago).

Daylight saving time and the difference

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

  • Oct 18, 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 18, 2027: -1h

Distance

Chattanooga and Chicago are 783 km (487 miles) apart in a straight line.

More conversions

Chicago to ChattanoogaChattanooga to New YorkChattanooga to LondonChattanooga to Los AngelesChattanooga to TorontoChattanooga to São PauloChattanooga to ParisChattanooga to BerlinChattanooga to MoscowChattanooga to DubaiChattanooga to New DelhiChattanooga to BangkokChattanooga 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 Chattanooga and Chicago?

Chicago is 1 hour behind Chattanooga.

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

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

When is the best time to call Chicago from Chattanooga?

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

Does the time difference between Chattanooga 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.