United Kingdom
GMT
12am
3am
6am
9am
12pm
3pm
6pm
9pm
New York, USA
EST
12am
3am
6am
9am
12pm
3pm
6pm
9pm
California, USA
PST
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Taiwan
CST
12am
3am
6am
9am
12pm
3pm
6pm
9pm
UTC
Universal Time Coordinated
GMT +0
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Compare London time with New York City, San Francisco, Taipei, and UTC time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

GMT (Greenwich Mean Time) is 5 hours ahead of EST (Eastern Standard Time) and 8 hours ahead of PST (Pacific Standard Time) and 8 hours behind CST (China Standard Time) and 0 hours ahead of Universal Time Coordinated
12:00 pm12:00 in London, United Kingdom is 7:00 am07:00 in New York City, NY, USA and is 4:00 am04:00 in San Francisco, CA, USA and is 8:00 pm20:00 in Taipei, Taiwan and is 12:00 pm12:00 in UTC

London to New York City call time
Best time for a conference call or a meeting is between 2pm-5pm in London which corresponds to 9am-12pm in New York City
London to San Francisco call time
Best time for a conference call or a meeting is between 4:30pm-5:30pm in London which corresponds to 8:30am-9:30am in San Francisco
London to Taipei call time
Best time for a conference call or a meeting is between 8:30am-9:30am in London which corresponds to 4:30pm-5:30pm in Taipei
London to UTC call time
Best time for a conference call or a meeting is between 9am-5pm in London which corresponds to 9am-5pm in UTC

12:00 pm12:00 GMT (Greenwich Mean Time) (London, United Kingdom). Offset UTC 0:00 hours
7:00 am07:00 EST (Eastern Standard Time) (New York City, NY, USA). Offset UTC -5:00 hours
4:00 am04:00 PST (Pacific Standard Time) (San Francisco, CA, USA). Offset UTC -8:00 hours
8:00 pm20:00 CST (China Standard Time) (Taipei, Taiwan). Offset UTC +8:00 hours
12:00 pm12:00 Universal Time Coordinated (UTC). Offset UTC 0:00 hours

12:00 pm12:00 London, United Kingdom / 7:00 am07:00 New York City, NY, USA / 4:00 am04:00 San Francisco, CA, USA / 8:00 pm20:00 Taipei, Taiwan / 12:00 pm12:00 UTC

London, United KingdomNew York City, NY, USASan Francisco, CA, USATaipei, TaiwanUTC
12am (midnight)7pm4pm8am12am (midnight)
1am8pm5pm9am1am
2am9pm6pm10am2am
3am10pm7pm11am3am
4am11pm8pm12pm (noon)4am
5am12am (midnight)9pm1pm5am
6am1am10pm2pm6am
7am2am11pm3pm7am
8am3am12am (midnight)4pm8am
9am4am1am5pm9am
10am5am2am6pm10am
11am6am3am7pm11am
12pm (noon)7am4am8pm12pm (noon)
1pm8am5am9pm1pm
2pm9am6am10pm2pm
3pm10am7am11pm3pm
4pm11am8am12am (midnight)4pm
5pm12pm (noon)9am1am5pm
6pm1pm10am2am6pm
7pm2pm11am3am7pm
8pm3pm12pm (noon)4am8pm
9pm4pm1pm5am9pm
10pm5pm2pm6am10pm
11pm6pm3pm7am11pm
00:0019:0016:0008:0000:00
01:0020:0017:0009:0001:00
02:0021:0018:0010:0002:00
03:0022:0019:0011:0003:00
04:0023:0020:0012:0004:00
05:0000:0021:0013:0005:00
06:0001:0022:0014:0006:00
07:0002:0023:0015:0007:00
08:0003:0000:0016:0008:00
09:0004:0001:0017:0009:00
10:0005:0002:0018:0010:00
11:0006:0003:0019:0011:00
12:0007:0004:0020:0012:00
13:0008:0005:0021:0013:00
14:0009:0006:0022:0014:00
15:0010:0007:0023:0015:00
16:0011:0008:0000:0016:00
17:0012:0009:0001:0017:00
18:0013:0010:0002:0018:00
19:0014:0011:0003:0019:00
20:0015:0012:0004:0020:00
21:0016:0013:0005:0021:00
22:0017:0014:0006:0022:00
23:0018:0015:0007:0023:00

London Information

Time Zone

Abbreviation / Name
BST - British Summer 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.
Daylight Saving Time Change
+1:00 hour - DST is in use
Daylight Saving Time Starts
Daylight saving time clock moves forward for one hour from 1am to 2amSunday, 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
Daylight saving time clock moves back for one hour from 2am to 1amSunday, 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

New York City Information

Time Zone

Abbreviation / Name
EDT - Eastern Daylight 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.
Daylight Saving Time Change
+1:00 hour - DST is in use
Daylight Saving Time Starts
Daylight saving time clock moves forward for one hour from 2am to 3amSunday, 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
Daylight saving time clock moves back for one hour from 2am to 1amSunday, 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

San Francisco Information

Time Zone

Abbreviation / Name
PDT - Pacific Daylight 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.
Daylight Saving Time Change
+1:00 hour - DST is in use
Daylight Saving Time Starts
Daylight saving time clock moves forward for one hour from 2am to 3amSunday, 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
Daylight saving time clock moves back for one hour from 2am to 1amSunday, 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

Taipei Information

Time Zone

Abbreviation / Name
GMT+8 - Taiwan Standard Time
UTC / GMT Offset
+8:00 hours during Taiwan Standard Time, currently in use.

Taipei Facts

Country
Taiwan
Alternative Names
GJai Bac, Kota Taipei, Pan Kiao, Pan-ch'iao, Pan-ch'iao-chen, Pan-ch'iao-chieh, Pan-ch’iao, Pan-ch’iao-chen, Pan-ch’iao-chieh, T'ai-pei, T'ai-pei Shih, T'ai-pei-hsien, TPE, Taibei Shi, Taibei Shih, Taibejus, Taibėjus, Taipe, Taipeh, Taipei, Taipeium, Taipejus, Taipé, Taipéi, Taipėjus, Tajbehj, Tajpej, Tajpeo, Tayipeh, Tayipèh, Tchaj-pej, T’ai-pei, T’ai-pei Shih, T’ai-pei-hsien, ta'ipe, ta'ipe'i, tai bei, tai bei shi, taibei, taibei si, taipei, taippei, thipe, Đài Bắc, Ταϊπέι, Тайбэй, Тайпей, Тајпеј, טאיפי, טאיפיי, تەيبېي, ताइपे, টাইপেই, ไทเป, ཐའེ་པེ, ታይፔ, 台北, 台北市, 臺北市, 타이베이, 타이베이 시, 타이뻬이, 타이페이
Population
7,871,900
Currency
Dollar (TWD)
Geographic Coordinates
25° 02' N Latitude / 121° 31' E Longitude
International Dialing Code
+886

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