Copenhagen to Chicago to London Time Converter

Updating current time…
Copenhagen
DenmarkCET
UTC+1
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Chicago
Illinois, USACST
UTC−6
7h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
London
United KingdomGMT
UTC+0
1h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

1:00 pm13:00 CET (UTC+1), Nov 3, 2026 = 6:00 am06:00 CST (UTC-6), Nov 3, 2026 = 12:00 pm12:00 GMT (UTC+0), Nov 3, 2026

Copenhagen is 7 hours ahead of Chicago. Copenhagen is 1 hour ahead of London.

How the time difference changes

Copenhagen to Chicago

For most of the year, Copenhagen is 7 hours ahead of Chicago. From Mar 14 to Mar 28, 2027, and from Oct 31 to Nov 7, 2027, Copenhagen is 6 hours ahead of Chicago.

For most of the year, working hours of 9:00 am to 6:00 pm in Copenhagen correspond to 2:00 am to 11:00 am in Chicago. At other times of the year, working hours of 9:00 am to 6:00 pm in Copenhagen correspond to 3:00 am to 12:00 pm in Chicago.For most of the year, working hours of 09:00 to 18:00 in Copenhagen correspond to 02:00 to 11:00 in Chicago. At other times of the year, working hours of 09:00 to 18:00 in Copenhagen correspond to 03:00 to 12:00 in Chicago.

Copenhagen to London

Copenhagen is 1 hour ahead of London year-round.

Working hours of 9:00 am to 6:00 pm in Copenhagen correspond to 8:00 am to 5:00 pm in London.Working hours of 09:00 to 18:00 in Copenhagen correspond to 08:00 to 17:00 in London.

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

Time Difference

CET (Central European Time) is 7 hours ahead of CST (Central Standard Time). CET (Central European Time) is 1 hour ahead of GMT (Greenwich Mean Time).
1:00 pm13:00 in Copenhagen, Denmark is 6:00 am06:00 in Chicago, IL, USA and is 12:00 pm12:00 in London, United Kingdom

Copenhagen to Chicago call time
Best time for a conference call or a meeting is between 4pm-6pm16:00-18:00 in Copenhagen which corresponds to 9am-11am09:00-11:00 in Chicago
Copenhagen to London call time
Best time for a conference call or a meeting is between 10am-6pm10:00-18:00 in Copenhagen which corresponds to 9am-5pm09:00-17:00 in London

1:00 pm13:00 CET (Central European Time) (Copenhagen, Denmark). Offset UTC +1:00 hour
6:00 am06:00 CST (Central Standard Time) (Chicago, IL, USA). Offset UTC -6:00 hours
12:00 pm12:00 GMT (Greenwich Mean Time) (London, United Kingdom). Offset UTC 0:00 hours

1:00 pm13:00 Copenhagen, Denmark / 6:00 am06:00 Chicago, IL, USA / 12:00 pm12:00 London, United Kingdom

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
Copenhagen, DenmarkChicago, IL, USALondon, United Kingdom
5:00pm previous day11:00pm previous day
6:00pm previous day12:00am
7:00pm previous day1:00am
8:00pm previous day2:00am
9:00pm previous day3:00am
10:00pm previous day4:00am
11:00pm previous day5:00am
12:00am6:00am
1:00am7:00am
2:00am8:00am
3:00am9:00am
4:00am10:00am
5:00am11:00am
6:00am12:00pm
7:00am1:00pm
8:00am2:00pm
9:00am3:00pm
10:00am4:00pm
11:00am5:00pm
12:00pm6:00pm
1:00pm7:00pm
2:00pm8:00pm
3:00pm9:00pm
4:00pm10:00pm
17:00 previous day23:00 previous day
18:00 previous day00:00
19:00 previous day01:00
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22:00 previous day04:00
23:00 previous day05:00
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Copenhagen Time Zone and Facts

Time Zone

Abbreviation / Offset
CET – Central European Time, UTC+1 (now)
CEST – Central European Summer Time, UTC+2 (daylight saving time)
Daylight Saving Time Starts
123456789101112Sunday, March 28, 2027 at 2:00 amSunday, March 28, 2027 at 02:00: clocks go forward 1 hour to 3:00 am03:00 (CEST). DST starts on the last Sunday of March each year. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
123456789101112Sunday, October 31, 2027 at 3:00 amSunday, October 31, 2027 at 03:00: clocks go back 1 hour to 2:00 am02:00 (CET). DST ends on the last Sunday of October each year. Also called Fall Back or Winter Time.
Clock Changes
Denmark daylight saving time · Clock changes worldwide

Copenhagen Facts

Country
Denmark
Alternative Names
CPH, Cobanhavan, Copenaga, Copenaghen, Copenaguen, Copenhaga, Copenhagen, Copenhague, Copenhaguen, Copenhaguen - Kobenhavn, Copenhaguen - København, Cóbanhávan, Hafnia, Kapehngagen, Kaupmannahoefn, Kaupmannahöfn, Keypmannahavn, Kjobenhavn, Kjopenhamn, Kjøpenhamn, Kobenhamman, Kobenhaven, Kobenhavn, Kodan, Kodaň, Koebenhavn, Koeoepenhamina, Koepenhamn, Kopenage, Kopenchage, Kopengagen, Kopenhaagen, Kopenhag, Kopenhaga, Kopenhage, Kopenhagen, Kopenhagena, Kopenhago, Kopenhāgena, Kopenkhagen, Koppenhaga, Koppenhága, Kòpenhaga, Köbenhavn, Köpenhamn, Kööpenhamina, København, Københámman, ge ben ha gen, khopenheken, kopanahagana, kopenahagena, kopenahegena, kopenhagen, kwbnhaghn, kwpnhgn, qwpnhgn, Κοπεγχάγη, Капэнгаген, Копенгаген, Копенхаген, Կոպենհագեն, קופנהאגן, קופנהגן, كوبنهاغن, كوپېنھاگېن, ܟܘܦܢܗܓܢ, कोपनहागन, কোপেনহাগেন, কোপেনহেগেন, โคเปนเฮเกน, ཀའོ་པེན་ཧ་ཀེན, კოპენჰაგენი, ኮፐንሀገን, ኮፕንሀግ, コペンハーゲン, 哥本哈根, 코펜하겐
Population
1,153,615
Currency
Krone (DKK)
Geographic Coordinates
55° 40' N Latitude / 12° 33' E Longitude
International Dialing Code
+45
More About Copenhagen
Copenhagen 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

London Time Zone and Facts

Time Zone

Abbreviation / Offset
GMT – Greenwich Mean Time, UTC+0 (now)
BST – British Summer Time, UTC+1 (daylight saving time)
Daylight Saving Time Starts
123456789101112Sunday, March 28, 2027 at 1:00 amSunday, March 28, 2027 at 01:00: clocks go forward 1 hour to 2:00 am02:00 (BST). DST starts on the last Sunday of March each year. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
123456789101112Sunday, October 31, 2027 at 2:00 amSunday, October 31, 2027 at 02:00: clocks go back 1 hour to 1:00 am01:00 (GMT). DST ends on the last Sunday of October each year. Also called Fall Back or Winter Time.
Clock Changes
United Kingdom daylight saving time · Clock changes worldwide

London Facts

Country
United Kingdom
Alternative Names
ILondon, LON, Lakana, Landan, Landen, Ljondan, Llundain, Lodoni, Londain, Londan, Londar, Londe, Londen, Londin, Londinium, Londino, Londn, London, London osh, Londona, Londonas, Londoni, Londono, Londons, Londonu, Londra, Londres, Londrez, Londri, Londro, Londye, Londyn, Londýn, Lonn, Lontoo, Loundres, Luan GJon, Lun-tun, Lunden, Lundra, Lundun, Lundunir, Lundúnir, Lung-dung, Lunnainn, Lunnin, Lunnon, Luân Đôn, Lùn-tûn, Lùng-dŭng, Lûn-tun, Lākana, Lůndůn, Lọndọnu, Ranana, Rānana, ilantan, ladana, landan, landana, leondeon, lndn, london, londoni, lun dui, lun dun, lwndwn, lxndxn, rondon, Łondra, Λονδίνο, Лондан, Лондон, Лондон ош, Лондонъ, Лёндан, Լոնդոն, לאנדאן, לונדון, لأندأن, لندن, لوندون, لەندەن, ܠܘܢܕܘܢ, लंडन, लंदन, लण्डन, लन्डन्, लन्दन, লন্ডন, ਲੰਡਨ, લંડન, ଲଣ୍ଡନ, இலண்டன், లండన్, ಲಂಡನ್, ലണ്ടൻ, ලන්ඩන්, ลอนดอน, ລອນດອນ, ལོན་ཊོན།, လန်ဒန်မြို့, ლონდონი, ለንደን, ᎫᎴ ᏗᏍᎪᏂᎯᏱ, ロンドン, 伦敦, 倫敦, 런던
Population
8,961,989
Currency
Pound (GBP)
Geographic Coordinates
51° 30' N Latitude / 0° 07' W Longitude
International Dialing Code
+44
More About London
London time now
Current Time in the United Kingdom
UK time now