San Diego to BST Time Converter

Updating current time…
San Diego
California, USAPDT
UTC−7
12am
3am
6am
9am
12pm
3pm
6pm
9pm
BST
British Summer Time
UTC+1
8h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

5:00 am05:00 PDT (UTC-7), Oct 14, 2026 = 1:00 pm13:00 BST (UTC+1), Oct 14, 2026

San Diego is 8 hours behind BST.

How the time difference changes

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

For most of the year, working hours of 9:00 am to 5:00 pm in San Diego correspond to 5:00 pm to 1:00 am (next day) in BST. At other times of the year, working hours of 9:00 am to 5:00 pm in San Diego correspond to 5:00 pm to 1:00 am (next day) in GMT or working hours of 9:00 am to 5:00 pm in San Diego correspond to 4:00 pm to 12:00 am (next day) in GMT.For most of the year, working hours of 09:00 to 17:00 in San Diego correspond to 17:00 to 01:00 (next day) in BST. At other times of the year, working hours of 09:00 to 17:00 in San Diego correspond to 17:00 to 01:00 (next day) in GMT or working hours of 09:00 to 17:00 in San Diego correspond to 16:00 to 00:00 (next day) in GMT.

Compare San Diego time with BST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

PDT (Pacific Daylight Time) is 8 hours behind British Summer Time.
5:00 am05:00 in San Diego, CA, USA is 1:00 pm13:00 in BST

San Diego to BST call time
Best time for a conference call or a meeting is between 8:30am-9:30am08:30-09:30 in San Diego which corresponds to 4:30pm-5:30pm16:30-17:30 in BST. Their 9am–5pm09:00–17:00 working hours do not overlap; this is a suggested compromise.

5:00 am05:00 PDT (Pacific Daylight Time) (San Diego, CA, USA). Offset UTC -7:00 hours
1:00 pm13:00 British Summer Time (BST). Offset UTC +1:00 hour

5:00 am05:00 San Diego, CA, USA / 1:00 pm13:00 BST

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Hourly time comparison
San Diego, CA, USABST
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San Diego Time Zone and Facts

Time Zone

Abbreviation / Offset
PDT – Pacific Daylight Time, UTC-7 (now, daylight saving time)
PST – Pacific Standard Time, UTC-8 (standard time)
Daylight Saving Time Ends
123456789101112Sunday, November 1, 2026 at 2:00 amSunday, November 1, 2026 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.
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.
Clock Changes
USA daylight saving time · Clock changes worldwide

San Diego Facts

Country
USA
State
California
Alternative Names
Davis' Folly, Didacopolis, Graytown, Lungsod ng San Diego, New San Diego, SAN, San Diegas, San Diego, San Diegu, San Dijego, San Diyego, San Diyégo, San Miguel, San Ntienko, San-Diego, San-Dieqo, San-Dyega, Sandjego, can tiyeko, saendiego, saendieigo, saina di'ego, san diyago, san dyyghw, san-diego, sana di'ego, sana diyago, sandiego, sena diyego, sheng de ya ge, sn dygw, sn dyygw, syana di'ego, Σαν Ντιέγκο, Сан Диего, Сан Дијего, Сан-Диего, Сан-Дыега, Сан-Дієго, Սան Դիեգո, סאן דיעגא, סן דייגו, سان دييغو, سان ڈیاگو, سان ڈیگو, سن دیگو, सॅन डियेगो, सैन डिएगो, स्यान डिएगो, সান ডিয়াগো, ਸਾਨ ਦੀਏਗੋ, சான் டியேகோ, శాన్ డియాగో, แซนดีเอโก, სან-დიეგო, ሳንዲየጎ, サンディエゴ, 聖地牙哥, 샌디에고, 샌디에이고
Population
1,404,452
Currency
Dollar (USD)
Geographic Coordinates
32° 42' N Latitude / 117° 09' W Longitude
International Dialing Code
+1
More About San Diego
San Diego local time and city facts

British Summer Time

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

Countries using this time zone: Britain (UK), Guernsey, Isle of Man, Jersey

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.

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 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
EST to ISTGMT to ESTPST to ESTEST to GMTPST to GMT