San Francisco to London time converter
London is 7 hours ahead of San Francisco. When it is 9:00 AM in San Francisco, it is 4:00 PM in London.
San Francisco CST
Wednesday, October 21, 2026
London BST
Wednesday, October 21, 2026
4:56 PM in San Francisco, Wednesday, October 21, 2026
San Francisco to London conversion table
Every hour of today in San Francisco and the matching time in London. Light rows are typical working hours (9:00–18:00).
| San Francisco | London |
|---|---|
| 12:00 AM | 7:00 AM |
| 1:00 AM | 8:00 AM |
| 2:00 AM | 9:00 AM |
| 3:00 AM | 10:00 AM |
| 4:00 AM | 11:00 AM |
| 5:00 AM | 12:00 PM |
| 6:00 AM | 1:00 PM |
| 7:00 AM | 2:00 PM |
| 8:00 AM | 3:00 PM |
| 9:00 AM | 4:00 PM |
| 10:00 AM | 5:00 PM |
| 11:00 AM | 6:00 PM |
| 12:00 PM | 7:00 PM |
| 1:00 PM | 8:00 PM |
| 2:00 PM | 9:00 PM |
| 3:00 PM | 10:00 PM |
| 4:00 PM | 11:00 PM |
| 5:00 PM | 12:00 AM+1 day |
| 6:00 PM | 1:00 AM+1 day |
| 7:00 PM | 2:00 AM+1 day |
| 8:00 PM | 3:00 AM+1 day |
| 9:00 PM | 4:00 AM+1 day |
| 10:00 PM | 5:00 AM+1 day |
| 11:00 PM | 6:00 AM+1 day |
Best time to call or meet
Both sides are at work from 9:00 AM – 11:00 AM in San Francisco (4:00 PM – 6:00 PM in London).
Daylight saving time and the difference
The difference changes during the year because San Francisco and London switch clocks on different dates:
- Oct 21, 2026 – Oct 24, 2026: +7h
- Oct 24, 2026 – Mar 27, 2027: +6h
- Mar 27, 2027 – Oct 21, 2027: +7h
Distance
San Francisco and London are 8,682 km (5,395 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between San Francisco and London?
London is 7 hours ahead of San Francisco.
What time is it in London when it is 9 AM in San Francisco?
When it is 9:00 AM in San Francisco, it is 4:00 PM in London.
When is the best time to call London from San Francisco?
Both sides are at work from 9:00 AM – 11:00 AM in San Francisco (4:00 PM – 6:00 PM in London).
Does the time difference between San Francisco and London change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.