BST to San Diego Time Converter

PST is 8 hours behind GMT. 9:00 AM GMT = 1:00 AM PST.

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BSTfrom
British Summer Time
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San Diego, USA
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PST is 8 hours behind GMT at the moment. To convert BST to San Diego Time, subtract 8 hours from the BST time: 9:00 AM GMT = 1:00 AM PST.

BST (British Time) is used in United Kingdom from late March to late October. San Diego Time (San Diego time) is used in San Diego, USA.

BST here means British Summer Time, not Bangladesh Standard Time. BST (British Summer Time) is not in force right now: United Kingdom from late March to late October is currently on GMT. This page uses whichever name applies on the date you pick, so the numbers below say GMT.

BST to San Diego Time time conversion table

BST to San Diego Time on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.

12 AM – 7 AM BST
BSTSan Diego Time
12:00 AM4:00 PM−1
1:00 AM5:00 PM−1
2:00 AM6:00 PM−1
3:00 AM7:00 PM−1
4:00 AM8:00 PM−1
5:00 AM9:00 PM−1
6:00 AM10:00 PM−1
7:00 AM11:00 PM−1
8 AM – 3 PM BST
BSTSan Diego Time
8:00 AM12:00 AM
9:00 AM1:00 AM
10:00 AM2:00 AM
11:00 AM3:00 AM
12:00 PM4:00 AM
1:00 PM5:00 AM
2:00 PM6:00 AM
3:00 PM7:00 AM
4 PM – 11 PM BST
BSTSan Diego Time
4:00 PM8:00 AM
5:00 PM9:00 AM
6:00 PM10:00 AM
7:00 PM11:00 AM
8:00 PM12:00 PM
9:00 PM1:00 PM
10:00 PM2:00 PM
11:00 PM3:00 PM

Conversion table from BST to San Diego Time for 7 Nov 2026. A tick marks hours that fall between 9 AM and 5 PM in both places. +1 means the next day in San Diego Time, −1 the previous day.

  • ✓ marks 9 AM–5 PM in both places
  • Greyed times are night in the destination (10 PM–6 AM)

How to convert BST to San Diego Time

Subtract 8 hours from the BST time to get San Diego Time.

Example: 9:00 AM GMT = 1:00 AM PST.

Across midnight: 1:00 AM GMT = 5:00 PM PST (previous day). The date changes, so always check the day as well as the hour.

Time difference between BST and San Diego Time

The time difference between BST and San Diego Time is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:

  • 1 Jan 2026 – 7 Mar 2026: San Diego Time is 8 hours behind of BST.
  • 8 Mar 2026 – 28 Mar 2026: San Diego Time is 7 hours behind of BST.
  • 29 Mar 2026 – 24 Oct 2026: San Diego Time is 8 hours behind of BST.
  • 25 Oct 2026 – 31 Oct 2026: San Diego Time is 7 hours behind of BST.
  • 1 Nov 2026 – 31 Dec 2026: San Diego Time is 8 hours behind of BST.

BST and San Diego Time during daylight saving time

  • BST next changes on 28 Mar 2027: clocks go forward one hour at 00:59 local time, from GMT (UTC+0) to BST (UTC+1).
  • San Diego Time next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from PST (UTC−8) to PDT (UTC−7).

Best time for a meeting between BST and San Diego Time

BST and San Diego Time have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 3:00 PM GMT, which is 7:00 AM PST.

Plan a meeting across more time zones.

BST to San Diego Time FAQ

What is the time difference between BST and San Diego Time?

Right now PST is 8 hours behind GMT. The gap changes 5 times in 2026 because the two sides switch to daylight saving time on different dates.

What is 9 AM BST in San Diego Time?

9:00 AM GMT is 1:00 AM PST.

What is 12 PM (noon) BST in San Diego Time?

12:00 PM GMT is 4:00 AM PST.

Is San Diego Time ahead of or behind BST?

PST is 8 hours behind GMT, so it is earlier in San Diego Time than in BST.

Does BST change for daylight saving time?

Yes. BST next changes on 28 Mar 2027, when clocks go forward one hour from GMT to BST.

Does San Diego Time change for daylight saving time?

Yes. San Diego Time next changes on 14 Mar 2027, when clocks go forward one hour from PST to PDT.

What is the best time for a meeting between BST and San Diego Time?

BST and San Diego Time have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 3:00 PM GMT, which is 7:00 AM PST.

Related conversions

Convert San Diego Time to BST

Convert BST to other time zones

Convert other time zones to San Diego Time

Learn more

Updated 7 November 2026. Time zone data: IANA tz database.