Back to map
Time Difference: London to San Francisco
🇬🇧LondonUTC+0
vs🇺🇸San FranciscoUTC-8
🇬🇧
London, UK
Fri, Apr 17
🇺🇸
San Francisco, US
Thu, Apr 16
Click a time to convert
Time Difference
8 hours
San Francisco is 8 hours behind London
London vs San Francisco timezone guide
London (UK) uses the Europe/London timezone at UTC+0, while San Francisco (US) uses America/Los_Angeles at UTC-8. This means San Francisco is 8 hours behind London (based on standard offsets — the live difference above accounts for daylight saving time).
When scheduling a call or meeting between London and San Francisco, look for the overlapping work hours highlighted above. The live clocks on this page update every second, and the difference adjusts automatically when either city enters or exits daylight saving time.