San Francisco to London Time

San Francisco is 8 hours behind London.

Slide through time

  • Night
  • Morning
  • Daytime
  • Evening

Tap a city name to search and change it (partial names work). Drag the timeline (12 hours in view, scrolls forever). Keyboard: ← → , PgUp / PgDn 1 hour, Home = now.

San Francisco time to London time

San Francisco is 8 hours behind London. When it is 9:00 AM in San Francisco, USA, it is 5:00 PM in London, UK. Standard 9 AM to 6 PM working hours overlap for 1 hour: 9:00 AM to 10:00 AM in San Francisco (5:00 PM to 6:00 PM in London).

Time difference

8 hours (San Francisco behind). San Francisco uses PDT; London uses BST.

Working-hours overlap

1 hour of shared 9 AM to 6 PM hours.

Daylight saving

Next change: Sun, Oct 25, 2026 (London).

San Francisco to London time conversion table

Times for Fri, Oct 9, 2026. Highlighted rows fall within 9 AM to 6 PM in both cities. Drag the live converter above for any other date.
San Francisco (PDT)London (BST)
12:00 AM8:00 AM
1:00 AM9:00 AM
2:00 AM10:00 AM
3:00 AM11:00 AM
4:00 AM12:00 PM
5:00 AM1:00 PM
6:00 AM2:00 PM
7:00 AM3:00 PM
8:00 AM4:00 PM
9:00 AM5:00 PM
10:00 AM6:00 PM
11:00 AM7:00 PM
12:00 PM8:00 PM
1:00 PM9:00 PM
2:00 PM10:00 PM
3:00 PM11:00 PM
4:00 PM12:00 AM (next day)
5:00 PM1:00 AM (next day)
6:00 PM2:00 AM (next day)
7:00 PM3:00 AM (next day)
8:00 PM4:00 AM (next day)
9:00 PM5:00 AM (next day)
10:00 PM6:00 AM (next day)
11:00 PM7:00 AM (next day)

Daylight saving time

On Sun, Oct 25, 2026, London switches from BST to GMT, so the difference becomes 7 hours (San Francisco behind). On Sun, Nov 1, 2026, San Francisco switches from PDT to PST, so the difference becomes 8 hours (San Francisco behind). On Sun, Mar 14, 2027, San Francisco switches from PST to PDT, so the difference becomes 7 hours (San Francisco behind). On Sun, Mar 28, 2027, London switches from GMT to BST, so the difference becomes 8 hours (San Francisco behind).

How to use the meeting time converter

  1. Select either city name and search by city, time zone, abbreviation, or UTC offset.
  2. Drag the horizontal timeline, or use the arrow and Page Up/Page Down keys, to choose a moment.
  3. Read the matching time and date for both locations and use the color bands to compare working hours.

Frequently asked questions

What is the time difference between San Francisco and London?

San Francisco is 8 hours behind London. San Francisco currently uses PDT and London uses BST.

When it is 9 AM in San Francisco, what time is it in London?

It is 5:00 PM in London.

What is the best time for a meeting between San Francisco and London?

Standard 9 AM to 6 PM working hours overlap for 1 hour: 9:00 AM to 10:00 AM in San Francisco (5:00 PM to 6:00 PM in London).

Does daylight saving time affect San Francisco and London?

On Sun, Oct 25, 2026, London switches from BST to GMT, so the difference becomes 7 hours (San Francisco behind). On Sun, Nov 1, 2026, San Francisco switches from PDT to PST, so the difference becomes 8 hours (San Francisco behind). On Sun, Mar 14, 2027, San Francisco switches from PST to PDT, so the difference becomes 7 hours (San Francisco behind). On Sun, Mar 28, 2027, London switches from GMT to BST, so the difference becomes 8 hours (San Francisco behind).

Related conversions