San Francisco to Chicago to New York City to London Time Converter

Updating current time…
San Francisco
California, USAPST
UTC−8
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Chicago
Illinois, USACST
UTC−6
2h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
New York City
New York, USAEST
UTC−5
3h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
London
United KingdomGMT
UTC+0
8h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

4:00 am04:00 PST (UTC-8), Nov 5, 2026 = 6:00 am06:00 CST (UTC-6), Nov 5, 2026 = 7:00 am07:00 EST (UTC-5), Nov 5, 2026 = 12:00 pm12:00 GMT (UTC+0), Nov 5, 2026

San Francisco is 2 hours behind Chicago. San Francisco is 3 hours behind New York City. San Francisco is 8 hours behind London.

How the time difference changes

San Francisco to Chicago

Normally, San Francisco is 2 hours behind Chicago. Briefly around seasonal clock changes, San Francisco is 1 hour behind Chicago or San Francisco is 3 hours behind Chicago.

Typically, working hours of 9:00 am to 6:00 pm in San Francisco correspond to 11:00 am to 8:00 pm in Chicago.Typically, working hours of 09:00 to 18:00 in San Francisco correspond to 11:00 to 20:00 in Chicago.

San Francisco to New York City

Normally, San Francisco is 3 hours behind New York City. Briefly around seasonal clock changes, San Francisco is 2 hours behind New York City or San Francisco is 4 hours behind New York City.

Typically, working hours of 9:00 am to 6:00 pm in San Francisco correspond to 12:00 pm to 9:00 pm in New York City.Typically, working hours of 09:00 to 18:00 in San Francisco correspond to 12:00 to 21:00 in New York City.

San Francisco to London

For most of the year, San Francisco is 8 hours behind London. From Mar 14 to Mar 28, 2027, and from Oct 31 to Nov 7, 2027, San Francisco is 7 hours behind London.

For most of the year, working hours of 9:00 am to 6:00 pm in San Francisco correspond to 5:00 pm to 2:00 am (next day) in London. At other times of the year, working hours of 9:00 am to 6:00 pm in San Francisco correspond to 4:00 pm to 1:00 am (next day) in London.For most of the year, working hours of 09:00 to 18:00 in San Francisco correspond to 17:00 to 02:00 (next day) in London. At other times of the year, working hours of 09:00 to 18:00 in San Francisco correspond to 16:00 to 01:00 (next day) in London.

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

Time Difference

PST (Pacific Standard Time) is 2 hours behind CST (Central Standard Time). PST (Pacific Standard Time) is 3 hours behind EST (Eastern Standard Time). PST (Pacific Standard Time) is 8 hours behind GMT (Greenwich Mean Time).
4:00 am04:00 in San Francisco, CA, USA is 6:00 am06:00 in Chicago, IL, USA and is 7:00 am07:00 in New York City, NY, USA and is 12:00 pm12:00 in London, United Kingdom

San Francisco to Chicago call time
Best time for a conference call or a meeting is between 9am-4pm09:00-16:00 in San Francisco which corresponds to 11am-6pm11:00-18:00 in Chicago
San Francisco to New York City call time
Best time for a conference call or a meeting is between 9am-3pm09:00-15:00 in San Francisco which corresponds to 12pm-6pm12:00-18:00 in New York City
San Francisco to London call time
Best time for a conference call or a meeting is between 9am-10am09:00-10:00 in San Francisco which corresponds to 5pm-6pm17:00-18:00 in London

4:00 am04:00 PST (Pacific Standard Time) (San Francisco, CA, USA). Offset UTC -8:00 hours
6:00 am06:00 CST (Central Standard Time) (Chicago, IL, USA). Offset UTC -6:00 hours
7:00 am07:00 EST (Eastern Standard Time) (New York City, NY, USA). Offset UTC -5:00 hours
12:00 pm12:00 GMT (Greenwich Mean Time) (London, United Kingdom). Offset UTC 0:00 hours

4:00 am04:00 San Francisco, CA, USA / 6:00 am06:00 Chicago, IL, USA / 7:00 am07:00 New York City, NY, 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
San Francisco, CA, USAChicago, IL, USANew York City, NY, USALondon, United Kingdom
2:00am3:00am8:00am
3:00am4:00am9:00am
4:00am5:00am10:00am
5:00am6:00am11:00am
6:00am7:00am12:00pm
7:00am8:00am1:00pm
8:00am9:00am2:00pm
9:00am10:00am3:00pm
10:00am11:00am4:00pm
11:00am12:00pm5:00pm
12:00pm1:00pm6:00pm
1:00pm2:00pm7:00pm
2:00pm3:00pm8:00pm
3:00pm4:00pm9:00pm
4:00pm5:00pm10:00pm
5:00pm6:00pm11:00pm
6:00pm7:00pm12:00am next day
7:00pm8:00pm1:00am next day
8:00pm9:00pm2:00am next day
9:00pm10:00pm3:00am next day
10:00pm11:00pm4:00am next day
11:00pm12:00am next day5:00am next day
12:00am next day1:00am next day6:00am next day
1:00am next day2:00am next day7:00am next day
02:0003:0008:00
03:0004:0009:00
04:0005:0010:00
05:0006:0011:00
06:0007:0012:00
07:0008:0013:00
08:0009:0014:00
09:0010:0015:00
10:0011:0016:00
11:0012:0017:00
12:0013:0018:00
13:0014:0019:00
14:0015:0020:00
15:0016:0021:00
16:0017:0022:00
17:0018:0023:00
18:0019:0000:00 next day
19:0020:0001:00 next day
20:0021:0002:00 next day
21:0022:0003:00 next day
22:0023:0004:00 next day
23:0000:00 next day05:00 next day
00:00 next day01:00 next day06:00 next day
01:00 next day02:00 next day07:00 next day

San Francisco Time Zone and Facts

Time Zone

Abbreviation / Offset
PST – Pacific Standard Time, UTC-8 (now)
PDT – Pacific Daylight Time, UTC-7 (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 (PDT). 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 (PST). 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

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
827,526
Currency
Dollar (USD)
Geographic Coordinates
37° 46' N Latitude / 122° 25' W Longitude
International Dialing Code
+1
More About San Francisco
San Francisco 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

New York City Time Zone and Facts

Time Zone

Abbreviation / Offset
EST – Eastern Standard Time, UTC-5 (now)
EDT – Eastern Daylight Time, UTC-4 (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 (EDT). 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 (EST). 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

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
8,804,190
Currency
Dollar (USD)
Geographic Coordinates
40° 42' N Latitude / 74° 00' W Longitude
International Dialing Code
+1
More About New York City
New York 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