Oak Ridge to Chicago time converter

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

Oak Ridge EDT

Sunday, October 18, 2026

Chicago CDT

Sunday, October 18, 2026

Oak Ridge
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)

Oak Ridge to Chicago conversion table

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

Oak RidgeChicago
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 Oak Ridge (9:00 AM – 5:00 PM in Chicago).

Daylight saving time and the difference

The difference changes during the year because Oak Ridge 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

Oak Ridge and Chicago are 712 km (442 miles) apart in a straight line.

More conversions

Chicago to Oak RidgeOak Ridge to New YorkOak Ridge to LondonOak Ridge to Los AngelesOak Ridge to TorontoOak Ridge to São PauloOak Ridge to ParisOak Ridge to BerlinOak Ridge to MoscowOak Ridge to DubaiOak Ridge to New DelhiOak Ridge to BangkokOak Ridge 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 Oak Ridge and Chicago?

Chicago is 1 hour behind Oak Ridge.

What time is it in Chicago when it is 9 AM in Oak Ridge?

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

When is the best time to call Chicago from Oak Ridge?

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

Does the time difference between Oak Ridge 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.