Oak Ridge to Chicago Time Converter

Updating current time…
Oak Ridge
Tennessee, USAEST
UTC−5
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Chicago
Illinois, USACST
UTC−6
1h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

7:00 am07:00 EST (UTC-5), Nov 4, 2026 = 6:00 am06:00 CST (UTC-6), Nov 4, 2026

Oak Ridge is 1 hour ahead of Chicago.

How the time difference changes

Normally, Oak Ridge is 1 hour ahead of Chicago. Briefly around seasonal clock changes, Oak Ridge is 2 hours ahead of Chicago or Oak Ridge and Chicago have the same time.

Typically, working hours of 9:00 am to 6:00 pm in Oak Ridge correspond to 8:00 am to 5:00 pm in Chicago.Typically, working hours of 09:00 to 18:00 in Oak Ridge correspond to 08:00 to 17:00 in Chicago.

Compare Oak Ridge time with Chicago time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

EST (Eastern Standard Time) is 1 hour ahead of CST (Central Standard Time).
7:00 am07:00 in Oak Ridge, TN, USA is 6:00 am06:00 in Chicago, IL, USA

Oak Ridge to Chicago call time
Best time for a conference call or a meeting is between 10am-6pm10:00-18:00 in Oak Ridge which corresponds to 9am-5pm09:00-17:00 in Chicago

7:00 am07:00 EST (Eastern Standard Time) (Oak Ridge, TN, USA). Offset UTC -5:00 hours
6:00 am06:00 CST (Central Standard Time) (Chicago, IL, USA). Offset UTC -6:00 hours

7:00 am07:00 Oak Ridge, TN, USA / 6:00 am06:00 Chicago, IL, USA

Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.

Hourly time comparison
Oak Ridge, TN, USAChicago, IL, USA
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Oak Ridge Time Zone and Facts

Time Zone

Abbreviation / Offset
EST – Eastern Standard Time, UTC-5 (now)
EDT – Eastern Daylight Time, UTC-4 (daylight saving time)
Daylight Saving Time Starts
123456789101112Sunday, March 14, 2027 at 2:00 amSunday, March 14, 2027 at 02:00: clocks go forward 1 hour to 3:00 am03:00 (EDT). DST starts on the 2nd Sunday of March each year. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
123456789101112Sunday, November 7, 2027 at 2:00 amSunday, November 7, 2027 at 02:00: clocks go back 1 hour to 1:00 am01:00 (EST). DST ends on the 1st Sunday of November each year. Also called Fall Back or Winter Time.
Clock Changes
USA daylight saving time · Clock changes worldwide

Oak Ridge Facts

Country
USA
State
Tennessee
Alternative Names
Elza, Oak Ridge, Ok-Ridzh, Ouk Ridz, awk rydj, awk ryj tnsy, okeuliji, xiang shu ling, ʼwq rydg, Ок-Ридж, Ок-Рідж, Оук Риџ, אוק רידג, أوك ريدج, اوک ریج، تنسی, オーク・リッジ, 橡树岭, 오크리지
Population
29,302
Currency
Dollar (USD)
Geographic Coordinates
36° 00' N Latitude / 84° 16' W Longitude
International Dialing Code
+1
More About Oak Ridge
Oak Ridge local time and city facts

Chicago Time Zone and Facts

Time Zone

Abbreviation / Offset
CST – Central Standard Time, UTC-6 (now)
CDT – Central Daylight Time, UTC-5 (daylight saving time)
Daylight Saving Time Starts
123456789101112Sunday, March 14, 2027 at 2:00 amSunday, March 14, 2027 at 02:00: clocks go forward 1 hour to 3:00 am03:00 (CDT). DST starts on the 2nd Sunday of March each year. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
123456789101112Sunday, November 7, 2027 at 2:00 amSunday, November 7, 2027 at 02:00: clocks go back 1 hour to 1:00 am01:00 (CST). DST ends on the 1st Sunday of November each year. Also called Fall Back or Winter Time.
Clock Changes
USA daylight saving time · Clock changes worldwide

Chicago Facts

Country
USA
State
Illinois
Alternative Names
CHI, Cekaga, Chi-ka-ko, Chi-kâ-kô, Chicago, Chicagu, Chikago, Chykaga, Cikaga, Cikago, Cikaqo, E-Chicago, Kikako, Shikago, Sicagum, Sikago, The Windy City, Tsikago, Windy City, chikhako, cikago, cikako, shikago, shkagw, shykaghw, shykagw, shykajw, shyqgw, sikago, sikkagea, syqgw, zhi jia ge, Çikago, Çikaqo, Ĉikago, Čikaga, Čikago, Čikāga, Čėkaga, Şikago, Σικάγο, Чикаго, Чикаґо, Чыкага, Չիկագո, שיקאגא, שיקגו, شيكاجو, شيكاغو, شکاگو, شیکاگو, شیکاگۆ, ܫܝܩܓܘ, शिकागो, শিকাগো, ਸ਼ਿਕਾਗੋ, சிகாகோ, చికాగో, ಶಿಕಾಗೊ, ഷിക്കാഗോ, ชิคาโก, ရှီကာဂိုမြို့, ჩიკაგო, ሺካጎ, ᓰᖄᑯ, Ṣìkágò, シカゴ, 芝加哥, 시카고, 𐍃𐌾𐌹𐌺𐌰𐌲𐍉
Population
2,664,452
Currency
Dollar (USD)
Geographic Coordinates
41° 51' N Latitude / 87° 39' W Longitude
International Dialing Code
+1
More About Chicago
Chicago time now