Updating current time…
JapanJST
UTC+9
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Illinois, USACDT
UTC−5
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

9:00 pm21:00 JST (UTC+9), Oct 12, 2026 = 7:00 am07:00 CDT (UTC-5), Oct 12, 2026

Tokyo is 14 hours ahead of Chicago.

How the time difference changes

For most of the year, Tokyo is 14 hours ahead of Chicago. From Nov 1, 2026 to Mar 14, 2027, Tokyo is 15 hours ahead of Chicago.

For most of the year, working hours of 9:00 am to 5:00 pm in Tokyo correspond to 7:00 pm (previous day) to 3:00 am in Chicago. At other times of the year, working hours of 9:00 am to 5:00 pm in Tokyo correspond to 6:00 pm (previous day) to 2:00 am in Chicago.For most of the year, working hours of 09:00 to 17:00 in Tokyo correspond to 19:00 (previous day) to 03:00 in Chicago. At other times of the year, working hours of 09:00 to 17:00 in Tokyo correspond to 18:00 (previous day) to 02:00 in Chicago.

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

Time Difference

JST (Japan Standard Time) is 14 hours ahead of CDT (Central Daylight Time).
9:00 pm21:00 in Tokyo, Japan is 7:00 am07:00 in Chicago, IL, USA

Tokyo to Chicago call time
Best time for a conference call or a meeting is between 7:30am-8:30am07:30-08:30 in Tokyo which corresponds to 5:30pm-6:30pm17:30-18:30 in Chicago (previous day). Their 9am–5pm09:00–17:00 working hours do not overlap; this is a suggested compromise.

9:00 pm21:00 JST (Japan Standard Time) (Tokyo, Japan). Offset UTC +9:00 hours
7:00 am07:00 CDT (Central Daylight Time) (Chicago, IL, USA). Offset UTC -5:00 hours

9:00 pm21:00 Tokyo, Japan / 7:00 am07:00 Chicago, IL, USA

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Hourly time comparison
Tokyo, JapanChicago, IL, USA
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Tokyo Time Zone and Facts

Time Zone

Abbreviation / Offset
JST – Japan Standard Time, UTC+9 (no daylight saving time)

Tokyo Facts

Country
Japan
Alternative Names
Edo, TYO, Tochiu, Tocio, Tokija, Tokijas, Tokio, Tokió, Tokjo, Tokyo, Toquio, Toquio - dong jing, Toquio - 東京, Tòquio, Tókýó, Tóquio, Tōkyō, dokyo, dong jing, dong jing dou, dong-gyeong, tokeiyw, toki'o, tokkiyo, tokyo, twkyw, twqyw, Τόκιο, Токио, Токё, Токіо, Տոկիո, טוקיו, توكيو, توکیو, طوكيو, ܛܘܟܝܘ, ܜܘܟܝܘ, टोक्यो, টোকিও, டோக்கியோ, โตเกียว, ტოკიო, 东京, 東京, 東京都, 도쿄, 동경
Population
9,733,276
Currency
Yen (JPY)
Geographic Coordinates
35° 41' N Latitude / 139° 41' E Longitude
International Dialing Code
+81

Chicago Time Zone and Facts

Time Zone

Abbreviation / Offset
CDT – Central Daylight Time, UTC-5 (now, daylight saving time)
CST – Central Standard Time, UTC-6 (standard time)
Daylight Saving Time Ends
123456789101112Sunday, November 1, 2026 at 2:00 amSunday, November 1, 2026 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.
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.

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