London to EST to CDT to PDT Time Converter

London
United KingdomBST
UTC+1
Wed, Aug 7
12am
3am
6am
9am
12pm
3pm
6pm
9pm
EDT/EST
Eastern Daylight Time
UTC−4
Wed, Aug 7
5h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Eastern Time is on daylight saving time: EDT (UTC−4) until Sun, Nov 3.
Use EST all year (UTC−5)
CDT
Central Daylight Time
UTC−5
Wed, Aug 7
6h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
PDT
Pacific Daylight Time
UTC−7
Tue, Aug 6 (previous day)
8h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

6:00 am06:00 BST (UTC+1), Aug 7, 2019 = 1:00 am01:00 EDT (UTC-4), Aug 7, 2019 = 12:00 am00:00 CDT (UTC-5), Aug 7, 2019 = 10:00 pm22:00 PDT (UTC-7), Aug 6, 2019

London is 5 hours ahead of EDT. London is 6 hours ahead of CDT. London is 8 hours ahead of PDT.

How the time difference changes

London to EST

For most of the year, London is 5 hours ahead of EDT. From Oct 25 to Nov 1, 2026, and from Mar 14 to Mar 28, 2027, London is 4 hours ahead of EDT. From Nov 1, 2026 to Mar 14, 2027, London is 5 hours ahead of EST.

For most of the year, working hours of 9:00 am to 6:00 pm in London correspond to 4:00 am to 1:00 pm in EDT. At other times of the year, working hours of 9:00 am to 6:00 pm in London correspond to 4:00 am to 1:00 pm in EST or working hours of 9:00 am to 6:00 pm in London correspond to 5:00 am to 2:00 pm in EDT.For most of the year, working hours of 09:00 to 18:00 in London correspond to 04:00 to 13:00 in EDT. At other times of the year, working hours of 09:00 to 18:00 in London correspond to 04:00 to 13:00 in EST or working hours of 09:00 to 18:00 in London correspond to 05:00 to 14:00 in EDT.

London to CDT

For most of the year, London is 6 hours ahead of CDT. From Oct 25 to Nov 1, 2026, and from Mar 14 to Mar 28, 2027, London is 5 hours ahead of CDT. From Nov 1, 2026 to Mar 14, 2027, London is 6 hours ahead of CST.

For most of the year, working hours of 9:00 am to 6:00 pm in London correspond to 3:00 am to 12:00 pm in CDT. At other times of the year, working hours of 9:00 am to 6:00 pm in London correspond to 3:00 am to 12:00 pm in CST or working hours of 9:00 am to 6:00 pm in London correspond to 4:00 am to 1:00 pm in CDT.For most of the year, working hours of 09:00 to 18:00 in London correspond to 03:00 to 12:00 in CDT. At other times of the year, working hours of 09:00 to 18:00 in London correspond to 03:00 to 12:00 in CST or working hours of 09:00 to 18:00 in London correspond to 04:00 to 13:00 in CDT.

London to PDT

For most of the year, London is 8 hours ahead of PDT. From Oct 25 to Nov 1, 2026, and from Mar 14 to Mar 28, 2027, London is 7 hours ahead of PDT. From Nov 1, 2026 to Mar 14, 2027, London is 8 hours ahead of PST.

For most of the year, working hours of 9:00 am to 6:00 pm in London correspond to 1:00 am to 10:00 am in PDT. At other times of the year, working hours of 9:00 am to 6:00 pm in London correspond to 1:00 am to 10:00 am in PST or working hours of 9:00 am to 6:00 pm in London correspond to 2:00 am to 11:00 am in PDT.For most of the year, working hours of 09:00 to 18:00 in London correspond to 01:00 to 10:00 in PDT. At other times of the year, working hours of 09:00 to 18:00 in London correspond to 01:00 to 10:00 in PST or working hours of 09:00 to 18:00 in London correspond to 02:00 to 11:00 in PDT.

Compare London time with EST, CDT, and PDT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

BST is 5 hours ahead of Eastern Daylight Time. BST is 6 hours ahead of Central Daylight Time. BST is 8 hours ahead of Pacific Daylight Time.
6:00 am06:00 in London, United Kingdom is 1:00 am01:00 in EDT and is 12:00 am00:00 in CDT and is 10:00 pm22:00 in PDT

London to EDT call time
Best time for a conference call or a meeting is between 2pm-6pm14:00-18:00 in London which corresponds to 9am-1pm09:00-13:00 in EDT
London to CDT call time
Best time for a conference call or a meeting is between 3pm-6pm15:00-18:00 in London which corresponds to 9am-12pm09:00-12:00 in CDT
London to PDT call time
Best time for a conference call or a meeting is between 5pm-6pm17:00-18:00 in London which corresponds to 9am-10am09:00-10:00 in PDT

6:00 am06:00 BST (London, United Kingdom). Offset UTC +1:00 hour
1:00 am01:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
12:00 am00:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
10:00 pm22:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours

6:00 am06:00 London, United Kingdom / 1:00 am01:00 EDT / 12:00 am00:00 CDT / 10:00 pm22:00 PDT

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
London, United KingdomEDTCDTPDT
7:00pm previous day6:00pm previous day4:00pm previous day
8:00pm previous day7:00pm previous day5:00pm previous day
9:00pm previous day8:00pm previous day6:00pm previous day
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11:00pm previous day10:00pm previous day8:00pm previous day
12:00am11:00pm previous day9:00pm previous day
1:00am12:00am10:00pm previous day
2:00am1:00am11:00pm previous day
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8:00am7:00am5:00am
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10:00am9:00am7:00am
11:00am10:00am8:00am
12:00pm11:00am9:00am
1:00pm12:00pm10:00am
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5:00pm4:00pm2:00pm
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19:00 previous day18:00 previous day16:00 previous day
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22:00 previous day21:00 previous day19:00 previous day
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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 time now
Current Time in the United Kingdom
UK time now

Eastern Standard Time

Offset: EST is 5 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Bahamas, Canada, Cayman Islands, Haiti, Jamaica, Mexico, Panama, Turks and Caicos Islands, United States

Principal Cities: The largest city in the EST time zone is New York City in the United States, with about 8.804 million people. Other major cities in this time zone include Toronto, Montréal, Philadelphia, Port-au-Prince.

French: HNE - Heure Normale de l'Est

Spanish: ET - Tiempo del Este, ET - Zona Sureste

Map of the areas on Eastern Standard Time (EST)
EST all year EST part of the year

On August 7, 2019 the lighter areas are on UTC−4 (EDT).

Open the world time zone map© OpenStreetMap

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Eastern Daylight Time (EDT).

123456789101112End: Eastern Standard Time (EST) ended on Sunday, March 10, 2019 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 10, 2019, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.

123456789101112Start: Eastern Standard Time (EST) starts on Sunday, November 3, 2019 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 3, 2019, 1:00 am01:00. Standard time starts annually on the first Sunday of November.

See USA daylight saving time and upcoming clock changes worldwide.

EST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -05 - basic short
  • -0500 - basic
  • -05:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates an offset of five hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Romeo - Military abbreviation for EST
  • R - short form of 'Romeo'
IANA/Olson: Reflects EST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Atikokan
  • America/Cancun
  • America/Cayman
  • America/Coral_Harbour
  • 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/Jamaica
  • America/Kentucky/Louisville
  • America/Kentucky/Monticello
  • America/Louisville
  • America/Montreal
  • America/Nassau
  • America/New_York
  • America/Nipigon
  • America/Panama
  • America/Pangnirtung
  • America/Port-au-Prince
  • America/Thunder_Bay
  • America/Toronto
  • Canada/Eastern
  • EST
  • EST5EDT
  • Jamaica
  • US/East-Indiana
  • US/Eastern
  • US/Michigan
Time zones with the GMT -5 offset:
  • CDT - Central Daylight Time
  • EST - Eastern Standard Time
  • ET - Eastern Time
  • COT - Colombia Time
  • CST - Cuba Standard Time
  • EASST - Easter Island Summer Time
  • ECT - Ecuador Time
  • PET - Peru Time
  • R - Romeo Time Zone

Central Daylight Time

Offset: CDT is 5 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Canada, Mexico, United States

Principal Cities: The largest city in the CDT time zone is Chicago in the United States, with about 2.664 million people. Other major cities in this time zone include Houston, San Antonio, Dallas, Fort Worth.

French: HAC - Heure Avancée du Centre

Spanish: CT - Zona Centro

Map of the areas on Central Daylight Time (CDT)
CDT part of the year

On August 7, 2019 some of the shaded areas are on UTC−6 (MDT).

Open the world time zone map© OpenStreetMap

Daylight Saving: Central Daylight Time (CDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Central Standard Time (CST).

123456789101112Start: Central Daylight Time (CDT) started on Sunday, March 10, 2019 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 10, 2019, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.

123456789101112End: Central Daylight Time (CDT) ends on Sunday, November 3, 2019 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 3, 2019, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the first Sunday of November.

See USA daylight saving time and upcoming clock changes worldwide.

CDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -05 - basic short
  • -0500 - basic
  • -05:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates an offset of five hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Romeo - Military abbreviation for CDT
  • R - short form of 'Romeo'
IANA/Olson: Reflects CDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Chicago
  • America/Indiana/Knox
  • America/Indiana/Tell_City
  • America/Knox_IN
  • America/Matamoros
  • America/Menominee
  • America/North_Dakota/Beulah
  • America/North_Dakota/Center
  • America/North_Dakota/New_Salem
  • America/Ojinaga
  • America/Rainy_River
  • America/Rankin_Inlet
  • America/Resolute
  • America/Winnipeg
  • CST6CDT
  • Canada/Central
  • US/Central
  • US/Indiana-Starke
CDT Abbreviation: Several time zones share CDT abbreviation and it could refer to these time zones
  • Central Daylight Time - UTC -5
  • Cuba Daylight Time - UTC -4
Time zones with the GMT -5 offset:
  • CDT - Central Daylight Time
  • EST - Eastern Standard Time
  • ET - Eastern Time
  • COT - Colombia Time
  • CST - Cuba Standard Time
  • EASST - Easter Island Summer Time
  • ECT - Ecuador Time
  • PET - Peru Time
  • R - Romeo Time Zone

Pacific Daylight Time

Offset: PDT is 7 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Mexico, United States

Principal Cities: The largest city in the PDT time zone is Los Angeles in the United States, with about 3.821 million people. Other major cities in this time zone include Tijuana, San Diego, Mexicali, San Jose.

French: HAP - Heure Avancée du Pacifique

Spanish: PT - Zona Noroeste

Map of the areas on Pacific Daylight Time (PDT)
PDT part of the year

On August 7, 2019 all shaded areas are on PDT.

Open the world time zone map© OpenStreetMap

Daylight Saving: Pacific Daylight Time (PDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Pacific Standard Time (PST).

123456789101112Start: Pacific Daylight Time (PDT) started on Sunday, March 10, 2019 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 10, 2019, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.

123456789101112End: Pacific Daylight Time (PDT) ends on Sunday, November 3, 2019 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 3, 2019, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the first Sunday of November.

See USA daylight saving time and upcoming clock changes worldwide.

PDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -07 - basic short
  • -0700 - basic
  • -07:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0700 - sign character (-) followed by a four digit time providing hours (07) and minutes (00) of the offset. Indicates an offset of seven hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Tango - Military abbreviation for PDT
  • T - short form of 'Tango'
IANA/Olson: Reflects PDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Ensenada
  • America/Los_Angeles
  • America/Santa_Isabel
  • America/Tijuana
  • America/Vancouver
  • Canada/Pacific
  • Mexico/BajaNorte
  • PST8PDT
  • US/Pacific
Time zones with the GMT -7 offset:
  • MST - Mountain Standard Time
  • PDT - Pacific Daylight Time
  • YST - Yukon Standard Time
  • T - Tango Time Zone
EST to ISTGMT to ESTPST to ESTEST to GMTPST to GMT