PST to BST to London Time Converter

Updating current time…
PDT/PST
Pacific Daylight Time
UTC−7
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Pacific Time is on daylight saving time: PDT (UTC−7) until Sun, Nov 1.
Use PST all year (UTC−8)
BST
British Summer Time
UTC+1
8h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
London
United KingdomBST
UTC+1
8h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
London's clocks go back 1 hour on Sun, Oct 25 · BST → GMT

Quick answers

Selected conversion

5:00 am05:00 PDT (UTC-7), Oct 18, 2026 = 1:00 pm13:00 BST (UTC+1), Oct 18, 2026 = 1:00 pm13:00 BST (UTC+1), Oct 18, 2026

PDT is 8 hours behind BST. PDT is 8 hours behind London.

How the time difference changes

PST to BST

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

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 BST. 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 GMT 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 GMT.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 BST. 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 GMT or working hours of 09:00 to 18:00 in PDT correspond to 16:00 to 01:00 (next day) in GMT.

PST 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 PST time with BST 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 8 hours behind British Summer Time. Pacific Daylight Time is 8 hours behind BST (British Summer Time).
5:00 am05:00 in PDT is 1:00 pm13:00 in BST and is 1:00 pm13:00 in London, United Kingdom

PDT to BST 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 BST
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

5:00 am05:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
1:00 pm13:00 British Summer Time (BST). Offset UTC +1:00 hour
1:00 pm13:00 BST (British Summer Time) (London, United Kingdom). Offset UTC +1:00 hour

5:00 am05:00 PDT / 1:00 pm13:00 BST / 1:00 pm13:00 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
PDTBSTLondon, United Kingdom
8:00am8:00am
9:00am9:00am
10:00am10:00am
11:00am11:00am
12:00pm12:00pm
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10:00pm10:00pm
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Pacific Standard Time

Offset: PST is 8 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Mexico, United States

Principal Cities: The largest city in the PST 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: HNP - Heure Normale du Pacifique

Spanish: PT - Tiempo del Pacífico, PT - Zona Noroeste

Map of the areas on Pacific Standard Time (PST)
PST part of the year

Today the shaded areas are on UTC−7 (PDT).

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 Pacific Daylight Time (PDT).

123456789101112End: Pacific Standard Time (PST) ended on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.

123456789101112Start: Pacific Standard Time (PST) starts on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.

See USA daylight saving time and upcoming clock changes worldwide.

PST 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 west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Uniform - Military abbreviation for PST
  • U - short form of 'Uniform'
IANA/Olson: Reflects PST 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
PST Abbreviation: Several time zones share PST abbreviation and it could refer to these time zones
  • Pacific Standard Time - UTC -8
  • Pitcairn Standard Time - UTC -8
Time zones with the GMT -8 offset:
  • AKDT - Alaska Daylight Time
  • PST - Pacific Standard Time
  • PT - Pacific Time
  • PST - Pitcairn Standard Time
  • U - Uniform Time Zone

British Summer Time

Offset: BST is 1 hour ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Guernsey, Isle of Man, Jersey, United Kingdom

Principal Cities: The largest city in the BST time zone is London in the United Kingdom, with about 8.962 million people. Other major cities in this time zone include Birmingham, Glasgow, Manchester, Sheffield.

Current time in the United Kingdom: UK time now

Map of the areas on British Summer Time (BST)
BST part of the year

Today all shaded areas are on BST.

Open the world time zone map© OpenStreetMap

Daylight Saving: British Summer Time (BST) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Greenwich Mean Time (GMT).

123456789101112Start: British Summer Time (BST) started on Sunday, March 29, 2026 at 1:00 am01:00 local time and clocks were set one hour forward to Sunday, March 29, 2026, 2:00 am02:00. Daylight saving starts annually on the last Sunday of March.

123456789101112End: British Summer Time (BST) ends on Sunday, October 25, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, October 25, 2026, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the last Sunday of October.

See United Kingdom daylight saving time and upcoming clock changes worldwide.

BST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +01 - basic short
  • +0100 - basic
  • +01:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates an offset of one hour to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Alpha - Military abbreviation for BST
  • A - short form of 'Alpha'
IANA/Olson: Reflects BST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Europe/Belfast
  • Europe/Guernsey
  • Europe/Isle_of_Man
  • Europe/Jersey
  • Europe/London
  • GB
  • GB-Eire
BST Abbreviation: Several time zones share BST abbreviation and it could refer to these time zones
  • British Summer Time - UTC +1
  • Bangladesh Standard Time - UTC +6
  • Bougainville Standard Time - UTC +11
Time zones with the GMT +1 offset:
  • BST - British Summer Time
  • CET - Central European Time
  • IST - Irish Standard Time
  • WEST - Western European Summer Time
  • A - Alpha Time Zone
  • CET - Central European Time
  • MEZ - Mitteleuropäische Zeit
  • WAT - West Africa Time
  • WST - Western Sahara Summer Time
  • BMT - Biel Mean 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.
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
EST to ISTGMT to ESTPST to ESTEST to GMTPST to GMT