Time Difference: London to San Francisco
Click a time to convert
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).
Best meeting times between London and San Francisco
Standard 9-to-5 working hours in London and San Francisco do not overlap. To meet synchronously, one side will need to start early or stay late — see the hour-by-hour planner below for the least disruptive options.
Hour-by-hour planner
| London | San Francisco | Status |
|---|---|---|
| 6am | 10pm | London early, San Francisco late evening |
| 7am | 11pm | London early, San Francisco late evening |
| 8am | 12am | London early, San Francisco asleep |
| 9am | 1am | London working hours, San Francisco asleep |
| 10am | 2am | London working hours, San Francisco asleep |
| 11am | 3am | London working hours, San Francisco asleep |
| 12pm | 4am | London working hours, San Francisco asleep |
| 1pm | 5am | London working hours, San Francisco asleep |
| 2pm | 6am | One side outside 9-to-5 but still awake |
| 3pm | 7am | One side outside 9-to-5 but still awake |
| 4pm | 8am | One side outside 9-to-5 but still awake |
| 5pm | 9am | One side outside 9-to-5 but still awake |
| 6pm | 10am | One side outside 9-to-5 but still awake |
| 7pm | 11am | One side outside 9-to-5 but still awake |
| 8pm | 12pm | One side outside 9-to-5 but still awake |
| 9pm | 1pm | One side outside 9-to-5 but still awake |
| 10pm | 2pm | London late evening, San Francisco working hours |
Green = standard working hours (9 AM – 5 PM). Amber = early (6–9 AM). Orange = evening (5–10 PM). Grey = asleep or late.
Daylight saving time between London and San Francisco
Both cities observe daylight saving time, but on different schedules. This creates short windows each year where the usual difference of 8 hours ahead temporarily shifts.
- Mar 8 → Mar 29Difference temporarily 7 hours ahead.
- Oct 25 → Nov 1Difference temporarily 7 hours ahead.
London transitions on March 29, 2026 and October 25, 2026. San Francisco transitions on March 8, 2026 and November 1, 2026.
Distance between London and San Francisco
London and San Francisco are 8,616 km apart along the great-circle route. A direct flight takes roughly ~11h 8m, depending on aircraft type, winds, and routing.