Sydney to Tokyo to London to Chicago Time Converter

Updating current time…
Sydney
AustraliaAEDT
UTC+11
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Tokyo
JapanJST
UTC+9
12am
3am
6am
9am
12pm
3pm
6pm
9pm
London
United KingdomBST
UTC+1
12am
3am
6am
9am
12pm
3pm
6pm
9pm
London's clocks go back 1 hour on Sun, Oct 25 · BST → GMT
Chicago
Illinois, USACDT
UTC−5
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

11:00 pm23:00 AEDT (UTC+11), Oct 12, 2026 = 9:00 pm21:00 JST (UTC+9), Oct 12, 2026 = 1:00 pm13:00 BST (UTC+1), Oct 12, 2026 = 7:00 am07:00 CDT (UTC-5), Oct 12, 2026

Sydney is 2 hours ahead of Tokyo. Sydney is 10 hours ahead of London. Sydney is 16 hours ahead of Chicago.

How the time difference changes

Sydney to Tokyo

Depending on seasonal clock changes, Sydney is 1 hour ahead of Tokyo or Sydney is 2 hours ahead of Tokyo.

Depending on seasonal clock changes, working hours of 9:00 am to 5:00 pm in Sydney correspond to 8:00 am to 4:00 pm in Tokyo or working hours of 9:00 am to 5:00 pm in Sydney correspond to 7:00 am to 3:00 pm in Tokyo.Depending on seasonal clock changes, working hours of 09:00 to 17:00 in Sydney correspond to 08:00 to 16:00 in Tokyo or working hours of 09:00 to 17:00 in Sydney correspond to 07:00 to 15:00 in Tokyo.

Sydney to London

Depending on seasonal clock changes, Sydney is 9 hours ahead of London, Sydney is 10 hours ahead of London, or Sydney is 11 hours ahead of London.

Depending on seasonal clock changes, working hours of 9:00 am to 5:00 pm in Sydney correspond to 12:00 am to 8:00 am in London, working hours of 9:00 am to 5:00 pm in Sydney correspond to 11:00 pm (previous day) to 7:00 am in London, or working hours of 9:00 am to 5:00 pm in Sydney correspond to 10:00 pm (previous day) to 6:00 am in London.Depending on seasonal clock changes, working hours of 09:00 to 17:00 in Sydney correspond to 00:00 to 08:00 in London, working hours of 09:00 to 17:00 in Sydney correspond to 23:00 (previous day) to 07:00 in London, or working hours of 09:00 to 17:00 in Sydney correspond to 22:00 (previous day) to 06:00 in London.

Sydney to Chicago

Depending on seasonal clock changes, Sydney is 15 hours ahead of Chicago, Sydney is 16 hours ahead of Chicago, or Sydney is 17 hours ahead of Chicago.

Depending on seasonal clock changes, working hours of 9:00 am to 5:00 pm in Sydney correspond to 6:00 pm (previous day) to 2:00 am in Chicago, working hours of 9:00 am to 5:00 pm in Sydney correspond to 5:00 pm (previous day) to 1:00 am in Chicago, or working hours of 9:00 am to 5:00 pm in Sydney correspond to 4:00 pm (previous day) to 12:00 am in Chicago.Depending on seasonal clock changes, working hours of 09:00 to 17:00 in Sydney correspond to 18:00 (previous day) to 02:00 in Chicago, working hours of 09:00 to 17:00 in Sydney correspond to 17:00 (previous day) to 01:00 in Chicago, or working hours of 09:00 to 17:00 in Sydney correspond to 16:00 (previous day) to 00:00 in Chicago.

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

Time Difference

AEDT (Australian Eastern Daylight Time) is 2 hours ahead of JST (Japan Standard Time). AEDT (Australian Eastern Daylight Time) is 10 hours ahead of BST (British Summer Time). AEDT (Australian Eastern Daylight Time) is 16 hours ahead of CDT (Central Daylight Time).
11:00 pm23:00 in Sydney, Australia is 9:00 pm21:00 in Tokyo, Japan and is 1:00 pm13:00 in London, United Kingdom and is 7:00 am07:00 in Chicago, IL, USA

Sydney to Tokyo call time
Best time for a conference call or a meeting is between 11am-5pm11:00-17:00 in Sydney which corresponds to 9am-3pm09:00-15:00 in Tokyo
Sydney to London call time
Best time for a conference call or a meeting is between 5:30pm-6:30pm17:30-18:30 in Sydney which corresponds to 7:30am-8:30am07:30-08:30 in London. Their 9am–5pm09:00–17:00 working hours do not overlap; this is a suggested compromise.
Sydney to Chicago call time
Best time for a conference call or a meeting is between 8:30am-9:30am08:30-09:30 in Sydney which corresponds to 4:30pm-5:30pm16:30-17:30 in Chicago (previous day). Their 9am–5pm09:00–17:00 working hours do not overlap; this is a suggested compromise.

11:00 pm23:00 AEDT (Australian Eastern Daylight Time) (Sydney, Australia). Offset UTC +11:00 hours
9:00 pm21:00 JST (Japan Standard Time) (Tokyo, Japan). Offset UTC +9:00 hours
1:00 pm13:00 BST (British Summer Time) (London, United Kingdom). Offset UTC +1:00 hour
7:00 am07:00 CDT (Central Daylight Time) (Chicago, IL, USA). Offset UTC -5:00 hours

11:00 pm23:00 Sydney, Australia / 9:00 pm21:00 Tokyo, Japan / 1:00 pm13:00 London, United Kingdom / 7:00 am07:00 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
Sydney, AustraliaTokyo, JapanLondon, United KingdomChicago, IL, USA
10:00pm previous day2:00pm previous day8:00am previous day
11:00pm previous day3:00pm previous day9:00am previous day
12:00am4:00pm previous day10:00am previous day
1:00am5:00pm previous day11:00am previous day
2:00am6:00pm previous day12:00pm previous day
3:00am7:00pm previous day1:00pm previous day
4:00am8:00pm previous day2:00pm previous day
5:00am9:00pm previous day3:00pm previous day
6:00am10:00pm previous day4:00pm previous day
7:00am11:00pm previous day5:00pm previous day
8:00am12:00am6:00pm previous day
9:00am1:00am7:00pm previous day
10:00am2:00am8:00pm previous day
11:00am3:00am9:00pm previous day
12:00pm4:00am10:00pm previous day
1:00pm5:00am11:00pm previous day
2:00pm6:00am12:00am
3:00pm7:00am1:00am
4:00pm8:00am2:00am
5:00pm9:00am3:00am
6:00pm10:00am4:00am
7:00pm11:00am5:00am
8:00pm12:00pm6:00am
9:00pm1:00pm7:00am
22:00 previous day14:00 previous day08:00 previous day
23:00 previous day15:00 previous day09:00 previous day
00:0016:00 previous day10:00 previous day
01:0017:00 previous day11:00 previous day
02:0018:00 previous day12:00 previous day
03:0019:00 previous day13:00 previous day
04:0020:00 previous day14:00 previous day
05:0021:00 previous day15:00 previous day
06:0022:00 previous day16:00 previous day
07:0023:00 previous day17:00 previous day
08:0000:0018:00 previous day
09:0001:0019:00 previous day
10:0002:0020:00 previous day
11:0003:0021:00 previous day
12:0004:0022:00 previous day
13:0005:0023:00 previous day
14:0006:0000:00
15:0007:0001:00
16:0008:0002:00
17:0009:0003:00
18:0010:0004:00
19:0011:0005:00
20:0012:0006:00
21:0013:0007:00

Sydney Time Zone and Facts

Time Zone

Abbreviation / Offset
AEDT – Australian Eastern Daylight Time, UTC+11 (now, daylight saving time)
AEST – Australian Eastern Standard Time, UTC+10 (standard time)
Daylight Saving Time Ends
123456789101112Sunday, April 4, 2027 at 3:00 amSunday, April 4, 2027 at 03:00: clocks go back 1 hour to 2:00 am02:00 (AEST). DST ends on the 1st Sunday of April each year. Also called Fall Back or Winter Time.
Daylight Saving Time Starts
123456789101112Sunday, October 3, 2027 at 2:00 amSunday, October 3, 2027 at 02:00: clocks go forward 1 hour to 3:00 am03:00 (AEDT). DST starts on the 1st Sunday of October each year. Also called Spring Forward or Summer Time.
Clock Changes
Australia daylight saving time · Clock changes worldwide

Sydney Facts

Country
Australia
Alternative Names
SYD, Sanctus Dionysius, Sedniejos, Sek-na, Sidnef, Sidnei, Sidnej, Sidneja, Sidnejo, Sidnejus, Sidney, Sidneý, Sidni, Sidnéy, Sidnėjus, Sit-ni, Sit-nì, Syd, Sydneium, Sydney, Sydney City, Sék-nà̤, Sídney, Sîdney, Sėdniejos, citni, shidoni, sidani, sideuni, sidnei, sidni, sidniy, sydny, xi ni, xue li, Σίδνεϋ, Сиднеи, Сидней, Сиднеј, Сидни, Сідней, Сідні, Սիդնեյ, סידני, سيدنى, سيدني, سڈنی, سیدنی, ܣܝܕܢܝ, सिडनी, सिड्नी, सिद्नी, সিডনি, ਸਿਡਨੀ, સીડની, சிட்னி, సిడ్నీ, ಸಿಡ್ನಿ, സിഡ്നി, සිඩ්නි, ซิดนีย์, སིད་ནེ།, ဆစ်ဒနီမြို့, სიდნეი, ሲድኒ, ស៊ីដនីយ៏, シドニー, 悉尼, 雪梨, 시드니
Population
5,638,830
Currency
Dollar (AUD)
Geographic Coordinates
33° 52' S Latitude / 151° 12' E Longitude
International Dialing Code
+61
More About Sydney
Sydney local time and city facts

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
More About Tokyo
Tokyo local time and city facts

London Time Zone and Facts

Time Zone

Abbreviation / Offset
BST – British Summer Time, UTC+1 (now, daylight saving time)
GMT – Greenwich Mean Time, UTC+0 (standard time)
Daylight Saving Time Ends
123456789101112Sunday, October 25, 2026 at 2:00 amSunday, October 25, 2026 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.
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.
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 local time and city facts

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.
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 local time and city facts
EST to ISTGMT to ESTPST to ESTEST to GMTPST to GMT