Time Difference Between London and San Francisco
London is normally 8 hours ahead of San Francisco.
This page shows the live time difference between London, United Kingdom and San Francisco, United States. London uses the Europe/London time zone (UTC standard) and San Francisco uses America/Los_Angeles (UTC-8 standard), so London is normally 8 hours ahead of San Francisco. Both cities observe daylight saving time, so the exact gap can shift by an hour depending on the season. The clocks above update live, so you always see the current difference, which is handy for scheduling calls, meetings and travel between the two cities.
London
- Country
- United Kingdom
- Time zone
- Europe/London
- Standard offset
- UTC
- Daylight saving
- Observed
- Current offset
- …
San Francisco
- Country
- United States
- Time zone
- America/Los_Angeles
- Standard offset
- UTC-8
- Daylight saving
- Observed
- Current offset
- …
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Compare any other two places on the time difference hub, or open the interactive world time zone map to pin cities and compare live.
Frequently asked questions
What is the time difference between London and San Francisco?
London is normally 8 hours ahead of San Francisco (London is UTC, San Francisco is UTC-8). Daylight saving time can change this by an hour, so the live clocks above always show the current difference.
Is London ahead of or behind San Francisco?
London is ahead of San Francisco by 8 hours under standard time.
Do London and San Francisco use daylight saving time?
London observes daylight saving time; San Francisco observes daylight saving time.