PDT
UTC−7
Wed, Aug 7
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CDT/CST
UTC−5
Wed, Aug 7
2h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Central Time is on daylight saving time: CDT (UTC−5) until Sun, Nov 3.

Mexico City and Saskatchewan stay on CST (UTC−6).

EDT
UTC−4
Wed, Aug 7
3h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
United KingdomBST
UTC+1
Wed, Aug 7
8h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

6:00 am06:00 PDT (UTC-7), Aug 7, 2019 = 8:00 am08:00 CDT (UTC-5), Aug 7, 2019 = 9:00 am09:00 EDT (UTC-4), Aug 7, 2019 = 2:00 pm14:00 BST (UTC+1), Aug 7, 2019

PDT is 2 hours behind CDT. PDT is 3 hours behind EDT. PDT is 8 hours behind London.

How the time difference changes

PDT to CST

For most of the year, PDT is 2 hours behind CDT. From Nov 1, 2026 to Mar 14, 2027, PST is 2 hours behind CST. Briefly around clock changes, PDT is 1 hour behind CST or PST is 3 hours behind CDT.

For most of the year, working hours of 9:00 am to 6:00 pm in PDT correspond to 11:00 am to 8:00 pm in CDT. At other times of the year, working hours of 9:00 am to 6:00 pm in PST correspond to 11:00 am to 8:00 pm in CST.For most of the year, working hours of 09:00 to 18:00 in PDT correspond to 11:00 to 20:00 in CDT. At other times of the year, working hours of 09:00 to 18:00 in PST correspond to 11:00 to 20:00 in CST.

PDT to EDT

For most of the year, PDT is 3 hours behind EDT. From Nov 1, 2026 to Mar 14, 2027, PST is 3 hours behind EST. Briefly around clock changes, PDT is 2 hours behind EST or PST is 4 hours behind EDT.

For most of the year, working hours of 9:00 am to 6:00 pm in PDT correspond to 12:00 pm to 9:00 pm in EDT. At other times of the year, working hours of 9:00 am to 6:00 pm in PST correspond to 12:00 pm to 9:00 pm in EST.For most of the year, working hours of 09:00 to 18:00 in PDT correspond to 12:00 to 21:00 in EDT. At other times of the year, working hours of 09:00 to 18:00 in PST correspond to 12:00 to 21:00 in EST.

PDT to London

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

For most of the year, working hours of 9:00 am to 6:00 pm in PDT 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 PST correspond to 5:00 pm to 2:00 am (next day) in London or working hours of 9:00 am to 6:00 pm in PDT 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 PDT 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 PST correspond to 17:00 to 02:00 (next day) in London or working hours of 09:00 to 18:00 in PDT correspond to 16:00 to 01:00 (next day) in London.

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

Time Difference

Pacific Daylight Time is 2 hours behind Central Daylight Time. Pacific Daylight Time is 3 hours behind Eastern Daylight Time. Pacific Daylight Time is 8 hours behind BST.
6:00 am06:00 in PDT is 8:00 am08:00 in CDT and is 9:00 am09:00 in EDT and is 2:00 pm14:00 in London, United Kingdom

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

6:00 am06:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
8:00 am08:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
9:00 am09:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
2:00 pm14:00 BST (London, United Kingdom). Offset UTC +1:00 hour

6:00 am06:00 PDT / 8:00 am08:00 CDT / 9:00 am09:00 EDT / 2:00 pm14:00 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
PDTCDTEDTLondon, 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

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.

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

Central Standard Time

Offset: CST is 6 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Belize, Canada, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, United States

Principal Cities: The largest city in the CST time zone is Mexico City in Mexico, with about 12.294 million people. Other major cities in this time zone include Chicago, Houston, Puebla, Santiago de Querétaro.

French: HNC - Heure Normale du Centre

Spanish: CT - Tiempo Central Estándar, CT - Zona Centro

Map of the areas on Central Standard Time (CST)
CST all year CST part of the year

On August 7, 2019 some shaded areas are on UTC−5 (Central Daylight Time).

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

123456789101112End: Central Standard Time (CST) 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: Central Standard Time (CST) 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.

CST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -06 - basic short
  • -0600 - basic
  • -06:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0600 - sign character (-) followed by a four digit time providing hours (06) and minutes (00) of the offset. Indicates an offset of six hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Sierra - Military abbreviation for CST
  • S - short form of 'Sierra'
IANA/Olson: Reflects CST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Bahia_Banderas
  • America/Belize
  • America/Chicago
  • America/Chihuahua
  • America/Costa_Rica
  • America/El_Salvador
  • America/Guatemala
  • America/Indiana/Knox
  • America/Indiana/Tell_City
  • America/Knox_IN
  • America/Managua
  • America/Matamoros
  • America/Menominee
  • America/Merida
  • America/Mexico_City
  • America/Monterrey
  • America/North_Dakota/Beulah
  • America/North_Dakota/Center
  • America/North_Dakota/New_Salem
  • America/Ojinaga
  • America/Rainy_River
  • America/Rankin_Inlet
  • America/Regina
  • America/Resolute
  • America/Swift_Current
  • America/Tegucigalpa
  • America/Winnipeg
  • CST6CDT
  • Canada/Central
  • Canada/Saskatchewan
  • Mexico/General
  • US/Central
  • US/Indiana-Starke
CST Abbreviation: Several time zones share CST abbreviation and it could refer to these time zones
  • Central Standard Time - UTC -6
  • China Standard Time - UTC +8
  • Cuba Standard Time - UTC -5
Time zones with the GMT -6 offset:
  • CST - Central Standard Time
  • CT - Central Time
  • MDT - Mountain Daylight Time
  • EAST - Easter Island Standard Time
  • GALT - Galapagos Time
  • S - Sierra Time Zone

Eastern Daylight Time

Offset: EDT is 4 hours behind Greenwich Mean Time (GMT).

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

Principal Cities: The largest city in the EDT 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: HAE - Heure Avancée de l'Est

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

Map of the areas on Eastern Daylight Time (EDT)
EDT part of the year

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

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

123456789101112Start: Eastern Daylight Time (EDT) 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: Eastern Daylight Time (EDT) 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.

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
  • GYT - Guyana Time
  • HLV - Hora Legal de Venezuela
  • Q - Quebec Time Zone
  • VET - Venezuelan Standard Time

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.

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
Current Time in the United Kingdom