Updating current time…
Illinois, USACDT
UTC−5
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Chicago's clocks go back 1 hour on Sun, Nov 1 · CDT → CST
IST
UTC+5:30
10h 30m ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CEST
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

7:00 am07:00 CDT (UTC-5), Oct 23, 2026 = 5:30 pm17:30 IST (UTC+5:30), Oct 23, 2026 = 2:00 pm14:00 CEST (UTC+2), Oct 23, 2026

Chicago is 10 hours and 30 minutes behind IST. Chicago is 7 hours behind CEST.

How the time difference changes

Chicago to IST

For most of the year, Chicago is 10 hours and 30 minutes behind IST. From Nov 1, 2026 to Mar 14, 2027, Chicago is 11 hours and 30 minutes behind IST.

For most of the year, working hours of 9:00 am to 6:00 pm in Chicago correspond to 7:30 pm to 4:30 am (next day) in IST. At other times of the year, working hours of 9:00 am to 6:00 pm in Chicago correspond to 8:30 pm to 5:30 am (next day) in IST.For most of the year, working hours of 09:00 to 18:00 in Chicago correspond to 19:30 to 04:30 (next day) in IST. At other times of the year, working hours of 09:00 to 18:00 in Chicago correspond to 20:30 to 05:30 (next day) in IST.

Chicago to CEST

For most of the year, Chicago is 7 hours behind CEST. From Oct 25 to Nov 1, 2026, and from Mar 14 to Mar 28, 2027, Chicago is 6 hours behind CET. From Nov 1, 2026 to Mar 14, 2027, Chicago is 7 hours behind CET.

For most of the year, working hours of 9:00 am to 6:00 pm in Chicago correspond to 4:00 pm to 1:00 am (next day) in CEST. At other times of the year, working hours of 9:00 am to 6:00 pm in Chicago correspond to 4:00 pm to 1:00 am (next day) in CET or working hours of 9:00 am to 6:00 pm in Chicago correspond to 3:00 pm to 12:00 am (next day) in CET.For most of the year, working hours of 09:00 to 18:00 in Chicago correspond to 16:00 to 01:00 (next day) in CEST. At other times of the year, working hours of 09:00 to 18:00 in Chicago correspond to 16:00 to 01:00 (next day) in CET or working hours of 09:00 to 18:00 in Chicago correspond to 15:00 to 00:00 (next day) in CET.

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

Time Difference

CDT (Central Daylight Time) is 10 hours and 30 minutes behind India Standard Time. CDT (Central Daylight Time) is 7 hours behind Central European Summer Time.
7:00 am07:00 in Chicago, IL, USA is 5:30 pm17:30 in IST and is 2:00 pm14:00 in CEST

Chicago to IST call time
Best time for a conference call or a meeting is between 8am-9am08:00-09:00 in Chicago which corresponds to 6:30pm-7:30pm18:30-19:30 in IST. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
Chicago to CEST call time
Best time for a conference call or a meeting is between 9am-11am09:00-11:00 in Chicago which corresponds to 4pm-6pm16:00-18:00 in CEST

7:00 am07:00 CDT (Central Daylight Time) (Chicago, IL, USA). Offset UTC -5:00 hours
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
2:00 pm14:00 Central European Summer Time (CEST). Offset UTC +2:00 hours

7:00 am07:00 Chicago, IL, USA / 5:30 pm17:30 IST / 2:00 pm14:00 CEST

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, USAISTCEST
10:30am7:00am
11:30am8:00am
12:30pm9:00am
1:30pm10:00am
2:30pm11:00am
3:30pm12:00pm
4:30pm1:00pm
5:30pm2:00pm
6:30pm3:00pm
7:30pm4:00pm
8:30pm5:00pm
9:30pm6:00pm
10:30pm7:00pm
11:30pm8:00pm
12:30am next day9:00pm
1:30am next day10:00pm
2:30am next day11:00pm
3:30am next day12:00am next day
4:30am next day1:00am next day
5:30am next day2:00am next day
6:30am next day3:00am next day
7:30am next day4:00am next day
8:30am next day5:00am next day
9:30am next day6:00am next day
10:3007:00
11:3008:00
12:3009:00
13:3010:00
14:3011:00
15:3012:00
16:3013:00
17:3014:00
18:3015:00
19:3016:00
20:3017:00
21:3018:00
22:3019:00
23:3020:00
00:30 next day21:00
01:30 next day22:00
02:30 next day23:00
03:30 next day00:00 next day
04:30 next day01:00 next day
05:30 next day02:00 next day
06:30 next day03:00 next day
07:30 next day04:00 next day
08:30 next day05:00 next day
09:30 next day06:00 next day

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
More About Chicago

India Standard Time

Offset: IST is 5 hours and 30 minutes ahead of Greenwich Mean Time (GMT).

Countries using this time zone: India

Principal Cities: The largest city in the IST time zone is Mumbai in India, with about 12.692 million people. Other major cities in this time zone include Delhi, Bengaluru, Hyderabad, Ahmedabad.

Daylight Saving: Clocks in India Standard Time (IST) do not change for daylight saving time, so IST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.

Current time in India: India time now

IST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +0530 - basic
  • +05:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0530 - sign character (+) followed by a four digit time providing hours (05) and minutes (30) of the offset. Indicates an offset of five hours and thirty minutes to the east of the zero meridian.
IANA/Olson: Reflects IST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Calcutta
  • Asia/Kolkata
IST Abbreviation: Several time zones share IST abbreviation and it could refer to these time zones
  • India Standard Time - UTC +5:30
  • Irish Standard Time - UTC +1
  • Israel Standard Time - UTC +2

Central European Summer Time

Offset: CEST is 2 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Albania, Andorra, Austria, Belgium, Bosnia and Herzegovina, Croatia, Czechia, Denmark, France, Germany, Gibraltar, Hungary, Italy, Kosovo, Liechtenstein, Luxembourg, Malta, Monaco, Montenegro, Netherlands, North Macedonia, Norway, Poland, San Marino, Serbia, Slovakia, Slovenia, Spain, Svalbard and Jan Mayen, Sweden, Switzerland, Vatican City

Principal Cities: The largest city in the CEST time zone is Berlin in Germany, with about 3.426 million people. Other major cities in this time zone include Madrid, Rome, Paris, Hamburg.

German: MESZ - Mitteleuropäische Sommerzeit

Map of the areas on Central European Summer Time (CEST)
CEST part of the year

Today all shaded areas are on CEST.

Daylight Saving: Central European Summer Time (CEST) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Central European Time (CET).

123456789101112Start: Central European Summer Time (CEST) started on Sunday, March 29, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 29, 2026, 3:00 am03:00. Daylight saving starts annually on the last Sunday of March.

123456789101112End: Central European Summer Time (CEST) ends on Sunday, October 25, 2026 at 3:00 am03:00 local time and clocks are set one hour back to Sunday, October 25, 2026, 2:00 am02:00 local standard time instead. Daylight saving ends annually on the last Sunday of October.

See upcoming clock changes worldwide.

CEST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +02 - basic short
  • +0200 - basic
  • +02:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0200 - sign character (+) followed by a four digit time providing hours (02) and minutes (00) of the offset. Indicates an offset of two hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Bravo - Military abbreviation for CEST
  • B - short form of 'Bravo'
IANA/Olson: Reflects CEST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Africa/Ceuta
  • Arctic/Longyearbyen
  • Atlantic/Jan_Mayen
  • CET
  • Europe/Amsterdam
  • Europe/Andorra
  • Europe/Belgrade
  • Europe/Berlin
  • Europe/Bratislava
  • Europe/Brussels
  • Europe/Budapest
  • Europe/Busingen
  • Europe/Copenhagen
  • Europe/Gibraltar
  • Europe/Ljubljana
  • Europe/Luxembourg
  • Europe/Madrid
  • Europe/Malta
  • Europe/Monaco
  • Europe/Oslo
  • Europe/Paris
  • Europe/Podgorica
  • Europe/Prague
  • Europe/Rome
  • Europe/San_Marino
  • Europe/Sarajevo
  • Europe/Skopje
  • Europe/Stockholm
  • Europe/Tirane
  • Europe/Vaduz
  • Europe/Vatican
  • Europe/Vienna
  • Europe/Warsaw
  • Europe/Zagreb
  • Europe/Zurich
  • MET
  • Poland
Time zones with the GMT +2 offset:
  • CEST - Central European Summer Time
  • EET - Eastern European Time
  • MESZ - Mitteleuropäische Sommerzeit
  • B - Bravo Time Zone
  • CAT - Central Africa Time
  • IST - Israel Standard Time
  • SAST - South Africa Standard Time
  • WAST - West Africa Summer Time