Sydney, Australia to Tokyo, Japan to Shanghai, China to San Francisco, CA, USA to New York City, NY, USA to London, United Kingdom to Berlin, Germany to UTC
UTC
Universal Time Coordinated
GMT +0
Thu, Oct 5
Compare Sydney time with Tokyo, Shanghai, San Francisco, New York City, London, Berlin, and UTC 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) and 3 hours ahead of CST (China Standard Time) and 18 hours ahead of PDT (Pacific Daylight Time) and 15 hours ahead of EDT (Eastern Daylight Time) and 10 hours ahead of BST (British Summer Time) and 9 hours ahead of CEST (Central European Summer Time) and 11 hours ahead of Universal Time Coordinated
3:30 pm15:30 in Sydney, Australia is 1:30 pm13:30 in Tokyo, Japan and is 12:30 pm12:30 in Shanghai, China and is 9:30 pm21:30 in San Francisco, CA, USA and is 12:30 am00:30 in New York City, NY, USA and is 5:30 am05:30 in London, United Kingdom and is 6:30 am06:30 in Berlin, Germany and is 4:30 am04:30 in UTC
Sydney to Tokyo call time
Best time for a conference call or a meeting is between 11am-5pm in Sydney which corresponds to 9am-3pm in Tokyo
Sydney to Shanghai call time
Best time for a conference call or a meeting is between 12pm-5pm in Sydney which corresponds to 9am-2pm in Shanghai
Sydney to San Francisco call time
Best time for a conference call or a meeting is between 9am-11am in Sydney which corresponds to 3pm-5pm in San Francisco (previous day)
Sydney to New York City call time
Best time for a conference call or a meeting is between 8am-9am in Sydney which corresponds to 5pm-6pm in New York City (previous day)
Sydney to London call time
Best time for a conference call or a meeting is between 5:30pm-6:30pm in Sydney which corresponds to 7:30am-8:30am in London
Sydney to Berlin call time
Best time for a conference call or a meeting is between 5pm-6pm in Sydney which corresponds to 8am-9am in Berlin
Sydney to UTC call time
Best time for a conference call or a meeting is between 6pm-7pm in Sydney which corresponds to 7am-8am in UTC
3:30 pm15:30 AEDT (Australian Eastern Daylight Time) (Sydney, Australia). Offset UTC +11:00 hours
1:30 pm13:30 JST (Japan Standard Time) (Tokyo, Japan). Offset UTC +9:00 hours
12:30 pm12:30 CST (China Standard Time) (Shanghai, China). Offset UTC +8:00 hours
9:30 pm21:30 PDT (Pacific Daylight Time) (San Francisco, CA, USA). Offset UTC -7:00 hours
12:30 am00:30 EDT (Eastern Daylight Time) (New York City, NY, USA). Offset UTC -4:00 hours
5:30 am05:30 BST (British Summer Time) (London, United Kingdom). Offset UTC +1:00 hour
6:30 am06:30 CEST (Central European Summer Time) (Berlin, Germany). Offset UTC +2:00 hours
4:30 am04:30 Universal Time Coordinated (UTC). Offset UTC 0:00 hours
3:30 pm15:30 Sydney, Australia / 1:30 pm13:30 Tokyo, Japan / 12:30 pm12:30 Shanghai, China / 9:30 pm21:30 San Francisco, CA, USA / 12:30 am00:30 New York City, NY, USA / 5:30 am05:30 London, United Kingdom / 6:30 am06:30 Berlin, Germany / 4:30 am04:30 UTC
| Sydney, Australia | Tokyo, Japan | Shanghai, China | San Francisco, CA, USA | New York City, NY, USA | London, United Kingdom | Berlin, Germany | UTC |
|---|---|---|---|---|---|---|---|
| 12am (midnight) | 10pm | 9pm | 6am | 9am | 2pm | 3pm | 1pm |
| 1am | 11pm | 10pm | 7am | 10am | 3pm | 4pm | 2pm |
| 2am | 12am (midnight) | 11pm | 8am | 11am | 4pm | 5pm | 3pm |
| 3am | 1am | 12am (midnight) | 9am | 12pm (noon) | 5pm | 6pm | 4pm |
| 4am | 2am | 1am | 10am | 1pm | 6pm | 7pm | 5pm |
| 5am | 3am | 2am | 11am | 2pm | 7pm | 8pm | 6pm |
| 6am | 4am | 3am | 12pm (noon) | 3pm | 8pm | 9pm | 7pm |
| 7am | 5am | 4am | 1pm | 4pm | 9pm | 10pm | 8pm |
| 8am | 6am | 5am | 2pm | 5pm | 10pm | 11pm | 9pm |
| 9am | 7am | 6am | 3pm | 6pm | 11pm | 12am (midnight) | 10pm |
| 10am | 8am | 7am | 4pm | 7pm | 12am (midnight) | 1am | 11pm |
| 11am | 9am | 8am | 5pm | 8pm | 1am | 2am | 12am (midnight) |
| 12pm (noon) | 10am | 9am | 6pm | 9pm | 2am | 3am | 1am |
| 1pm | 11am | 10am | 7pm | 10pm | 3am | 4am | 2am |
| 2pm | 12pm (noon) | 11am | 8pm | 11pm | 4am | 5am | 3am |
| 3pm | 1pm | 12pm (noon) | 9pm | 12am (midnight) | 5am | 6am | 4am |
| 4pm | 2pm | 1pm | 10pm | 1am | 6am | 7am | 5am |
| 5pm | 3pm | 2pm | 11pm | 2am | 7am | 8am | 6am |
| 6pm | 4pm | 3pm | 12am (midnight) | 3am | 8am | 9am | 7am |
| 7pm | 5pm | 4pm | 1am | 4am | 9am | 10am | 8am |
| 8pm | 6pm | 5pm | 2am | 5am | 10am | 11am | 9am |
| 9pm | 7pm | 6pm | 3am | 6am | 11am | 12pm (noon) | 10am |
| 10pm | 8pm | 7pm | 4am | 7am | 12pm (noon) | 1pm | 11am |
| 11pm | 9pm | 8pm | 5am | 8am | 1pm | 2pm | 12pm (noon) |
| 00:00 | 22:00 | 21:00 | 06:00 | 09:00 | 14:00 | 15:00 | 13:00 |
| 01:00 | 23:00 | 22:00 | 07:00 | 10:00 | 15:00 | 16:00 | 14:00 |
| 02:00 | 00:00 | 23:00 | 08:00 | 11:00 | 16:00 | 17:00 | 15:00 |
| 03:00 | 01:00 | 00:00 | 09:00 | 12:00 | 17:00 | 18:00 | 16:00 |
| 04:00 | 02:00 | 01:00 | 10:00 | 13:00 | 18:00 | 19:00 | 17:00 |
| 05:00 | 03:00 | 02:00 | 11:00 | 14:00 | 19:00 | 20:00 | 18:00 |
| 06:00 | 04:00 | 03:00 | 12:00 | 15:00 | 20:00 | 21:00 | 19:00 |
| 07:00 | 05:00 | 04:00 | 13:00 | 16:00 | 21:00 | 22:00 | 20:00 |
| 08:00 | 06:00 | 05:00 | 14:00 | 17:00 | 22:00 | 23:00 | 21:00 |
| 09:00 | 07:00 | 06:00 | 15:00 | 18:00 | 23:00 | 00:00 | 22:00 |
| 10:00 | 08:00 | 07:00 | 16:00 | 19:00 | 00:00 | 01:00 | 23:00 |
| 11:00 | 09:00 | 08:00 | 17:00 | 20:00 | 01:00 | 02:00 | 00:00 |
| 12:00 | 10:00 | 09:00 | 18:00 | 21:00 | 02:00 | 03:00 | 01:00 |
| 13:00 | 11:00 | 10:00 | 19:00 | 22:00 | 03:00 | 04:00 | 02:00 |
| 14:00 | 12:00 | 11:00 | 20:00 | 23:00 | 04:00 | 05:00 | 03:00 |
| 15:00 | 13:00 | 12:00 | 21:00 | 00:00 | 05:00 | 06:00 | 04:00 |
| 16:00 | 14:00 | 13:00 | 22:00 | 01:00 | 06:00 | 07:00 | 05:00 |
| 17:00 | 15:00 | 14:00 | 23:00 | 02:00 | 07:00 | 08:00 | 06:00 |
| 18:00 | 16:00 | 15:00 | 00:00 | 03:00 | 08:00 | 09:00 | 07:00 |
| 19:00 | 17:00 | 16:00 | 01:00 | 04:00 | 09:00 | 10:00 | 08:00 |
| 20:00 | 18:00 | 17:00 | 02:00 | 05:00 | 10:00 | 11:00 | 09:00 |
| 21:00 | 19:00 | 18:00 | 03:00 | 06:00 | 11:00 | 12:00 | 10:00 |
| 22:00 | 20:00 | 19:00 | 04:00 | 07:00 | 12:00 | 13:00 | 11:00 |
| 23:00 | 21:00 | 20:00 | 05:00 | 08:00 | 13:00 | 14:00 | 12:00 |
Sydney Information
Time Zone
Abbreviation / Name
AEST - Australian Eastern Standard Time
AEDT - Australian Eastern Daylight Time
AEDT - Australian Eastern Daylight Time
UTC / GMT Offset
+10:00 hours during Australian Eastern Standard Time, currently in use.
+11:00 hours during Australian Eastern Daylight Time.
+11:00 hours during Australian Eastern Daylight Time.
Daylight Saving Time Change
+1:00 hour - DST is NOT in use
Daylight Saving Time Starts
Sunday, October 4, 2026 at 2:00 am local time. DST starts annually on the 1st Sunday of October. Clocks are turned forward 1 hour to Sunday, October 4, 2026 at 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.Daylight Saving Time Ends
Sunday, April 5, 2026 at 3:00 am local time. DST ends annually on the 1st Sunday of April. Clocks are turned backward 1 hour to Sunday, April 5, 2026 at 2:00 am local standard time instead. Also called Fall Back or switch to Winter Time.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
4,627,345
Currency
Dollar (AUD)
Geographic Coordinates
33° 52' S Latitude / 151° 12' E Longitude
International Dialing Code
+61
Tokyo Information
Time Zone
Abbreviation / Name
JST - Japan Standard Time
UTC / GMT Offset
+9:00 hours during Japan Standard Time, currently in use.
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
8,336,599
Currency
Yen (JPY)
Geographic Coordinates
35° 41' N Latitude / 139° 41' E Longitude
International Dialing Code
+81
Shanghai Information
Time Zone
Abbreviation / Name
CST - China Standard Time
UTC / GMT Offset
+8:00 hours during China Standard Time, currently in use.
Shanghai Facts
Country
China
Alternative Names
SHA, San'nkae, Sanchajus, Sangaj, Sangay, Sanghaj, Sanghay, Sanhaja, Sanhajo, Sanxay, Schanghai, Shang-hai, Shang-hai-shih, Shangai, Shangaj, Shanghai, Shanghai - shang hai, Shanghai - 上海, Shankhaj, Sjanghae, Sjanghai, Sjanghæ, Szanghaj, Thuong Hai, Thượng Hải, Xangai, cankay, sangha'i, sanghae, sanghai, seiynghi, shang hai, shang hai shi, shanghay, shanghhay, shanhai, zhong guo shang hai, Ŝanhajo, Şangay, Şanghay, Şanxay, Šanchajus, Šangaj, Šanghaj, Šanhaja, Σανγκάη, Шангај, Шанхай, שאנגחאי, شانغهاي, شانگهای, شاڭخەي, شاڭخەي شەھىرى, সাংঘাই, சாங்காய், เซี่ยงไฮ้, შანჰაი, 上海, 上海市, 中国上海, 상하이, 상해
Population
22,315,474
Currency
Yuan Renminbi (CNY)
Geographic Coordinates
31° 13' N Latitude / 121° 27' E Longitude
International Dialing Code
+86
San Francisco Information
Time Zone
Abbreviation / Name
PDT - Pacific Daylight Time
PST - Pacific Standard Time
PST - Pacific Standard Time
UTC / GMT Offset
-7:00 hours during Pacific Daylight Time, currently in use.
-8:00 hours during Pacific Standard Time.
-8:00 hours during Pacific Standard Time.
Daylight Saving Time Change
+1:00 hour - DST is in use
Daylight Saving Time Starts
Sunday, March 8, 2026 at 2:00 am local time. DST starts annually on the 2nd Sunday of March. Clocks are turned forward 1 hour to Sunday, March 8, 2026 at 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.Daylight Saving Time Ends
Sunday, November 1, 2026 at 2:00 am local time. DST ends annually on the 1st Sunday of November. Clocks are turned backward 1 hour to Sunday, November 1, 2026 at 1:00 am local standard time instead. Also called Fall Back or switch to Winter Time.San Francisco Facts
Country
USA
State
California
Alternative Names
Franciscopolis, Frisco, Kapalakiko, Khiu-kim-san, Khiu-kîm-sân, Lungsod ng San Francisco, New Albion, SF, SFO, San Francisco, San Franciscu, San Francisko, San Fransisco, San Fransiskas, San Fransisko, San Frantzisko, San Phransisko, San-Francisko, San-Francyska, San-Fransisko, Sanfrancisko, Sao Francisco, São Francisco, Yerba Buena, can pirancisko, jiu jin shan, saenpeulan, saenpeulansiseuko, saina pharansisako, saina phransisko, san f ran si s ko, san fan shi, san fransskw, san fransyskw, san fransyskۆ, san phransisko, sana phransisako ka'unti, sana phransisko, sanfuranshisuko, sena phransisko, sn prnsysqw, syana phransisko, Σαν Φρανσίσκο, Сан Франсиско, Сан Франциско, Сан-Франциско, Сан-Францыска, Сан-Франціско, Սան Ֆրանցիսկո, סאן פראנציסקא, סן פרנסיסקו, سان فرانسسکو, سان فرانسيسكو, سان فرانسیسکو, سان فرانسیسکۆ, सॅन फ्रान्सिस्को, सैन फ्रांसिस्को, स्यान फ्रान्सिस्को, সান ফ্রান্সিসকো কাউন্টি, সান ফ্রান্সিস্কো, ਸੈਨ ਫਰਾਂਸਿਸਕੋ, சான் பிரான்சிஸ்கோ, శాన్ ఫ్రాన్సిస్కో, സാൻ ഫ്രാൻസിസ്കോ, සැන් ෆ්රැන්සිස්කෝ, ซานฟรานซิสโก, སན་ཧྥུ་རན་སིས་ཁོ, ဆန်ဖရန်စစ္စကိုမြို့, სან-ფრანცისკო, サンフランシスコ, 三藩市, 旧金山, 舊金山, 샌프란, 샌프란시스코
Population
864,816
Currency
Dollar (USD)
Geographic Coordinates
37° 46' N Latitude / 122° 25' W Longitude
International Dialing Code
+1
New York City Information
Time Zone
Abbreviation / Name
EDT - Eastern Daylight Time
EST - Eastern Standard Time
EST - Eastern Standard Time
UTC / GMT Offset
-4:00 hours during Eastern Daylight Time, currently in use.
-5:00 hours during Eastern Standard Time.
-5:00 hours during Eastern Standard Time.
Daylight Saving Time Change
+1:00 hour - DST is in use
Daylight Saving Time Starts
Sunday, March 8, 2026 at 2:00 am local time. DST starts annually on the 2nd Sunday of March. Clocks are turned forward 1 hour to Sunday, March 8, 2026 at 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.Daylight Saving Time Ends
Sunday, November 1, 2026 at 2:00 am local time. DST ends annually on the 1st Sunday of November. Clocks are turned backward 1 hour to Sunday, November 1, 2026 at 1:00 am local standard time instead. Also called Fall Back or switch to Winter Time.New York City Facts
Country
USA
State
New York
Alternative Names
Aebura, Bandar Raya New York, Big Apple, Cathair Nua-Eabhrac, City of New York, Eabhraig Nuadh, Efrog Newydd, Evrek Nowydh, Ga-no-no, Kanon:no, Kanono, Kanón:no, Kota New York, Lungsod ng New York, N'ju-Jork, NY, NYC, Nea Yorke, Nei Yarrick Schtadt, Neu Amsterdam, Neu Jorck, New Amsterdam, New Orange, New Yorc, New York, New York City, New York Stad, New York borg, New York kenti, New York-borg, New Yorke, New Yorku, Niujorkas, Nju Jork, Njujork, Nouvelle Yorck, Nouvieau York, Nov-Jorko, Nova Amsterda, Nova Iorque, Nova York, Nova-York, Novjorko, Novum Eboracum, Nowy Jork, Nua-Eabhrac, Nueva York, Nujorka, Nyja Jorvik, Nyu York Shehiri, Nòva York, Nýja Jórvík, Thanh pho New York, The Big Apple, Thành phố New York, York Berri, manhattan, n'yuyorka, ni'u iyarka siti, niu yue, niu yue shi, niyuyark nakaram, nkhr niwyxrk, nyuyog, nyuyog si, nyuyoku, nyw ywrq, nywywrk, Ņujorka, Νέα Υόρκη, Њу Јорк, Њујорк, Нью-Ёрк, Нью-Йорк, Ню Йорк, ניו יארק, ניו יורק, ניו־יאָרק, نيويورك, نیویارک شہر, نیویورک, न्यूयॉर्क, নিউ ইয়র্ক সিটি, நியூயார்க் நகரம், นครนิวยอร์ก, ნიუ-იორკი, ニューヨーク, マンハッタン, 紐約市, 纽约, 뉴욕, 뉴욕 시
Population
8,175,133
Currency
Dollar (USD)
Geographic Coordinates
40° 42' N Latitude / 74° 00' W Longitude
International Dialing Code
+1
London Information
Time Zone
Abbreviation / Name
BST - British Summer Time
GMT - Greenwich Mean Time
GMT - Greenwich Mean Time
UTC / GMT Offset
+1:00 hours during British Summer Time, currently in use.
+0:00 hours during Greenwich Mean Time.
+0:00 hours during Greenwich Mean Time.
Daylight Saving Time Change
+1:00 hour - DST is in use
Daylight Saving Time Starts
Sunday, March 29, 2026 at 1:00 am local time. DST starts annually on the last Sunday of March. Clocks are turned forward 1 hour to Sunday, March 29, 2026 at 2:00 am local daylight time instead. Also called Spring Forward or Summer Time.Daylight Saving Time Ends
Sunday, October 25, 2026 at 2:00 am local time. DST ends annually on the last Sunday of October. Clocks are turned backward 1 hour to Sunday, October 25, 2026 at 1:00 am local standard time instead. Also called Fall Back or switch to Winter Time.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
7,556,900
Currency
Pound (GBP)
Geographic Coordinates
51° 30' N Latitude / 0° 07' W Longitude
International Dialing Code
+44
Berlin Information
Time Zone
Abbreviation / Name
CEST - Central European Summer Time
CET - Central European Standard Time
CET - Central European Standard Time
UTC / GMT Offset
+2:00 hours during Central European Summer Time, currently in use.
+1:00 hours during Central European Standard Time.
+1:00 hours during Central European Standard Time.
Daylight Saving Time Change
+1:00 hour - DST is in use
Daylight Saving Time Starts
Sunday, March 29, 2026 at 2:00 am local time. DST starts annually on the last Sunday of March. Clocks are turned forward 1 hour to Sunday, March 29, 2026 at 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.Daylight Saving Time Ends
Sunday, October 25, 2026 at 3:00 am local time. DST ends annually on the last Sunday of October. Clocks are turned backward 1 hour to Sunday, October 25, 2026 at 2:00 am local standard time instead. Also called Fall Back or switch to Winter Time.Berlin Facts
Country
Germany
Alternative Names
BER, Beirlin, Beirlín, Berleno, Berlien, Berliin, Berliini, Berlijn, Berlim, Berlin, Berline, Berlini, Berlino, Berlyn, Berlynas, Berlëno, Berlín, Berlîn, Berlīne, Berolino, Berolinum, Birlinu, Bèrlîn, Estat de Berlin, Estat de Berlín, bai lin, barlina, beleullin, berlini, berurin, bexrlin, brlyn, perlin, Βερολίνο, Берлин, Берлін, Бэрлін, Բերլին, בערלין, ברלין, برلين, برلین, بېرلىن, ܒܪܠܝܢ, बर्लिन, বার্লিন, பெர்லின், เบอร์ลิน, ბერლინი, ベルリン, 柏林, 베를린
Population
3,426,354
Currency
Euro (EUR)
Geographic Coordinates
52° 31' N Latitude / 13° 24' E Longitude
International Dialing Code
+49
Universal Time Coordinated
Offset: UTC is 0 hours ahead Greenwich Mean Time (GMT) and is used in Universal
Coordinated Universal Time (UTC) is the world time standard that regulates clocks and time. It is successor to Greenwich Mean Time (GMT). For casual use, UTC is the same as GMT, but is used by the scientific community.
UTC is the time standard commonly used across the world since 1972. It is used in many technical fields, like aviation industry and meteorologists, also used to synchronize time across internet networks.
UTC representations, usage and related time zones
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
- +00 - basic short
- +0000 - basic
- +00:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates the zero UTC/GMT offset.
Military/NATO: Used by the U.S. military, Chinese military and others
- Zulu - Military abbreviation for UTC
- Z - short form of 'Zulu'
IANA/Olson: Reflects UTC time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
- Etc/UCT
- Etc/UTC
- Etc/Universal
- Etc/Zulu
- UCT
- UTC
- Universal
- Zulu
Time zones with the GMT +0 offset:
- EGST - Eastern Greenland Summer Time
- GMT - Greenwich Mean Time
- WET - Western European Time
- AZOST - Azores Summer Time
- UTC - Universal Time Coordinated
- WT - Western Sahara Standard Time
- Z - Zulu Time Zone