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London, United Kingdom to SGT to EDT

London
United Kingdom
GMT
12am
3am
6am
9am
12pm
3pm
6pm
9pm
SGT
Singapore Time
GMT +8
12am
3am
6am
9am
12pm
3pm
6pm
9pm
EST/EDT
Eastern Standard Time
GMT -5
12am
3am
6am
9am
12pm
3pm
6pm
9pm
EDT is not used on this date
This converter uses EST (GMT -5), the offset New York uses on this date. Open the EST converter.

Compare London time with SGT and EDT 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 8 hours behind Singapore Time and 5 hours ahead of Eastern Standard Time
12:00 pm12:00 in London, United Kingdom is 8:00 pm20:00 in SGT and is 7:00 am07:00 in EST

London to SGT 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 SGT
London to EST call time
Best time for a conference call or a meeting is between 2pm-5pm in London which corresponds to 9am-12pm in EST

12:00 pm12:00 GMT (Greenwich Mean Time) (London, United Kingdom). Offset UTC 0:00 hours
8:00 pm20:00 Singapore Time (SGT). Offset UTC +8:00 hours
7:00 am07:00 Eastern Standard Time (EST). Offset UTC -5:00 hours

12:00 pm12:00 London, United Kingdom / 8:00 pm20:00 SGT / 7:00 am07:00 EST

London, United KingdomSGTEST
12am (midnight)8am7pm
1am9am8pm
2am10am9pm
3am11am10pm
4am12pm (noon)11pm
5am1pm12am (midnight)
6am2pm1am
7am3pm2am
8am4pm3am
9am5pm4am
10am6pm5am
11am7pm6am
12pm (noon)8pm7am
1pm9pm8am
2pm10pm9am
3pm11pm10am
4pm12am (midnight)11am
5pm1am12pm (noon)
6pm2am1pm
7pm3am2pm
8pm4am3pm
9pm5am4pm
10pm6am5pm
11pm7am6pm
00:0008:0019:00
01:0009:0020:00
02:0010:0021:00
03:0011:0022:00
04:0012:0023:00
05:0013:0000:00
06:0014:0001:00
07:0015:0002:00
08:0016:0003:00
09:0017:0004:00
10:0018:0005:00
11:0019:0006:00
12:0020:0007:00
13:0021:0008:00
14:0022:0009:00
15:0023:0010:00
16:0000:0011:00
17:0001:0012:00
18:0002:0013:00
19:0003:0014:00
20:0004:0015:00
21:0005:0016:00
22:0006:0017:00
23:0007:0018:00

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

Singapore Time

Offset: SGT is 8 hours ahead Greenwich Mean Time (GMT) and is used in Asia

Countries using this time zone: Singapore

Principal Cities: The largest city in the SGT time zone is Singapore in Singapore, with about 3.548 million people.

Daylight Saving: Clocks in Singapore Time (SGT) do not change for daylight saving time, so SGT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.

SGT Time Zone Geo Map
SGT timezone map

SGT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +08 - basic short
  • +0800 - basic
  • +08:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0800 - sign character (+) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates an offset of eight hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Hotel - Military abbreviation for SGT
  • H - short form of 'Hotel'
Time zones with the GMT +8 offset:
  • ACT - ASEAN Common Time
  • AWST - Australian Western Standard Time
  • BNT - Brunei Darussalam Time
  • CAST - Casey Time
  • CHOT - Choibalsan Time
  • CST - China Standard Time
  • H - Hotel Time Zone
  • HKT - Hong Kong Time
  • HOVST - Hovd Summer Time
  • IRKT - Irkutsk Time
  • KRAST - Krasnoyarsk Summer Time
  • MYT - Malaysia Time
  • PHT - Philippine Time
  • SGT - Singapore Time
  • ULAT - Ulaanbaatar Time
  • WITA - Central Indonesian Time

Eastern Daylight Time

Offset: EDT is 4 hours behind Greenwich Mean Time (GMT) and is used in North America

Countries using this time zone: Bahamas, Canada, Haiti, Turks & Caicos Is, United States

Principal Cities: The largest city in the EDT time zone is New York City in the United States, with about 8.175 million people. Other major cities in this time zone include Toronto, Montreal, Brooklyn, Borough of Queens.

French: HAE - Heure Avancée de l'Est

Spanish: EDT - Tiempo de verano del Este, ET - Zona Sureste

EDT Time Zone Geo Map
EDT timezone map

Daylight Saving: Eastern Daylight Time (EDT) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Eastern Standard Time (EST).

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Eastern Daylight Time (EDT) ended on Sunday, November 2, 2025 at 2:00 am local time and clocks were set one hour back to Sunday, November 2, 2025, 1:00 am local standard time instead. Daylight saving ends annually on the first Sunday of November

Daylight saving time clock moves back for one hour from 2am to 1amStart: Eastern Daylight Time (EDT) starts on Sunday, March 8, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 8, 2026, 3:00 am. Daylight saving starts annually on the second Sunday of March

EDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -04 - basic short
  • -0400 - basic
  • -04:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0400 - sign character (-) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates an offset of four hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Quebec - Military abbreviation for EDT
  • Q - short form of 'Quebec'
IANA/Olson: Reflects EDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Detroit
  • America/Fort_Wayne
  • America/Grand_Turk
  • America/Indiana/Indianapolis
  • America/Indiana/Marengo
  • America/Indiana/Petersburg
  • America/Indiana/Vevay
  • America/Indiana/Vincennes
  • America/Indiana/Winamac
  • America/Indianapolis
  • America/Iqaluit
  • America/Kentucky/Louisville
  • America/Kentucky/Monticello
  • America/Louisville
  • America/Montreal
  • America/Nassau
  • America/New_York
  • America/Nipigon
  • America/Pangnirtung
  • America/Port-au-Prince
  • America/Thunder_Bay
  • America/Toronto
  • Canada/Eastern
  • EST5EDT
  • US/East-Indiana
  • US/Eastern
  • US/Michigan
Time zones with the GMT -4 offset:
  • AST - Atlantic Standard Time
  • EDT - Eastern Daylight Time
  • AMT - Amazon Time
  • BOT - Bolivia Time
  • CDT - Cuba Daylight Time
  • CLT - Chile Standard Time
  • FKT - Falkland Island Time
  • GYT - Guyana Time
  • HLV - Hora Legal de Venezuela
  • PYT - Paraguay Time
  • Q - Quebec Time Zone
  • VET - Venezuelan Standard Time
EST to ISTGMT to ESTPST to ESTEST to GMTPST to GMT