Time difference: 8 hours
Visualizing the Working Hours Gap
No direct 9 AM-5 PM business-hours overlap. Use the 24-hour table below for the closest windows.
No direct 9 AM-5 PM overlap. See the 24-hour table below for the closest windows.
Try the Interactive Dial Planner
Drag to scrub through 24 hours. Live DST-accurate Temporal API logic.
| UTC | 🇺🇸 San Francisco | 🇬🇧 London |
|---|---|---|
| 00:00 | 5:00 PM | 1:00 AM |
| 01:00 | 6:00 PM | 2:00 AM |
| 02:00 | 7:00 PM | 3:00 AM |
| 03:00 | 8:00 PM | 4:00 AM |
| 04:00 | 9:00 PM | 5:00 AM |
| 05:00 | 10:00 PM | 6:00 AM |
| 06:00 | 11:00 PM | 7:00 AM |
| 07:00 | 12:00 AM | 8:00 AM |
| 08:00 | 1:00 AM | 9:00 AM |
| 09:00 | 2:00 AM | 10:00 AM |
| 10:00 | 3:00 AM | 11:00 AM |
| 11:00 | 4:00 AM | 12:00 PM |
| 12:00 | 5:00 AM | 1:00 PM |
| 13:00 | 6:00 AM | 2:00 PM |
| 14:00 | 7:00 AM | 3:00 PM |
| 15:00 | 8:00 AM | 4:00 PM |
| 16:00 | 9:00 AM | 5:00 PM |
| 17:00 | 10:00 AM | 6:00 PM |
| 18:00 | 11:00 AM | 7:00 PM |
| 19:00 | 12:00 PM | 8:00 PM |
| 20:00 | 1:00 PM | 9:00 PM |
| 21:00 | 2:00 PM | 10:00 PM |
| 22:00 | 3:00 PM | 11:00 PM |
| 23:00 | 4:00 PM | 12:00 AM |
What is the best time to schedule a meeting between San Francisco and London?
There is no direct 9 AM to 5 PM business-hours overlap between San Francisco (UTC-7) and London (UTC+1) given the 8 hours time difference. The best approach is to schedule early morning in London or use a rotating schedule so neither team always takes the off-hours slot.
What is the time difference between San Francisco and London?
San Francisco operates on UTC-7 and London operates on UTC+1, giving a time difference of 8 hours. This may shift by one hour during daylight saving time transitions.
When it is 9:00 AM in San Francisco, what time is it in London?
When it is 9:00 AM in San Francisco (UTC-7), it is 5:00 PM in London (UTC+1).
What are the working hours of San Francisco expressed in London local time?
A standard San Francisco workday of 9 AM to 5 PM (UTC-7) corresponds to 5:00 PM to 1:00 AM local time in London (UTC+1).
Does daylight saving time affect the time difference between San Francisco and London?
Yes. If either city observes daylight saving time (DST), the gap can shift by one hour during clock-change weekends. Always verify current UTC offsets with a live tool before scheduling important calls.
What is the UTC time for the San Francisco to London overlap window?
There is no shared 9 AM to 5 PM UTC window for this pair. The closest option is 4:00 PM UTC (9 AM in San Francisco), which corresponds to 5:00 PM local time in London.