Chicago to Oak Ridge time converter

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

Chicago CDT

Sunday, October 18, 2026

Oak Ridge EDT

Sunday, October 18, 2026

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

Chicago to Oak Ridge conversion table

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

ChicagoOak Ridge
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 Oak Ridge).

Daylight saving time and the difference

The difference changes during the year because Chicago and Oak Ridge 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

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

More conversions

Oak Ridge 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 Oak RidgeLondon to Oak RidgeLos Angeles to Oak RidgeToronto to Oak RidgeSão Paulo to Oak RidgeParis to Oak RidgeBerlin to Oak RidgeMoscow to Oak RidgeDubai to Oak RidgeNew Delhi to Oak RidgeBangkok to Oak RidgeSingapore to Oak Ridge

Questions and answers

What is the time difference between Chicago and Oak Ridge?

Oak Ridge is 1 hour ahead of Chicago.

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

When it is 9:00 AM in Chicago, it is 10:00 AM in Oak Ridge.

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

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

Does the time difference between Chicago and Oak Ridge change?

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