Chicago to Oak Ridge Time Converter

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

Quick answers

Selected conversion

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

Chicago is 1 hour behind Oak Ridge.

How the time difference changes

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

Typically, working hours of 9:00 am to 6:00 pm in Chicago correspond to 10:00 am to 7:00 pm in Oak Ridge.Typically, working hours of 09:00 to 18:00 in Chicago correspond to 10:00 to 19:00 in Oak Ridge.

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

Time Difference

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

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

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

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

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