Meeting time
Best time to meet: San Francisco and Philadelphia
San Francisco is 3 hours behind Philadelphia right now. Their working days overlap for 5 hours: 9 AM to 2 PM in San Francisco, which is 12 PM to 5 PM in Philadelphia. The easiest time to meet is 10:30 AM in San Francisco (1:30 PM in Philadelphia).
Hour by hour
With the clocks as they are on November 10, 2026, San Francisco time on the left. A working day here is 9 AM to 5 PM.
| San Francisco | Philadelphia | |
|---|---|---|
| 6 AM | 9 AM | Philadelphia at work |
| 7 AM | 10 AM | Philadelphia at work |
| 8 AM | 11 AM | Philadelphia at work |
| 9 AM | 12 PM | Both at work |
| 10 AM | 1 PM | Both at work |
| 11 AM | 2 PM | Both at work |
| 12 PM | 3 PM | Both at work |
| 1 PM | 4 PM | Both at work |
| 2 PM | 5 PM | San Francisco at work |
| 3 PM | 6 PM | San Francisco at work |
| 4 PM | 7 PM | San Francisco at work |
| 5 PM | 8 PM | Both off |
| 6 PM | 9 PM | Both off |
| 7 PM | 10 PM | Both off |
| 8 PM | 11 PM | Both off |
| 9 PM | 12 AM next day | Both off |
| 10 PM | 1 AM next day | Both off |
When the clocks change
The gap moves when either city changes its clocks. The next twelve months:
| Dates | San Francisco is | Both at work (San Francisco time) | Easiest (San Francisco / Philadelphia) |
|---|---|---|---|
| Now to March 14, 2027 | 3 hours behind | 9 AM–2 PM (5 hours) | 10:30 AM / 1:30 PM |
| March 14, 2027 to March 14, 2027 clocks in Philadelphia go forward | 4 hours behind | 9 AM–1 PM (4 hours) | 10 AM / 2 PM |
| March 14, 2027 to November 7, 2027 clocks in San Francisco go forward | 3 hours behind | 9 AM–2 PM (5 hours) | 10:30 AM / 1:30 PM |
| November 7, 2027 to November 7, 2027 clocks in Philadelphia go back | 2 hours behind | 9 AM–3 PM (6 hours) | 11:30 AM / 1:30 PM |
| November 7, 2027 onward clocks in San Francisco go back | 3 hours behind | 9 AM–2 PM (5 hours) | 10:30 AM / 1:30 PM |
Philadelphia keeps the same clock as New York.
Questions people ask
12 PM in Philadelphia, while San Francisco is 3 hours behind.
10:30 AM in San Francisco, which is 1:30 PM in Philadelphia. Both cities are at work from 9 AM to 2 PM San Francisco time.
Yes — it changes 4 times in the next twelve months, when the clocks go forward or back; the dates are in the table above.
More cities
Every city from San Francisco · Every city from Philadelphia · All cities · Plan across more than two cities
Try Meetful
Meetings that take their own notes
Free video meetings in the browser: every line of the transcript under the name of who said it, and the summary and action items when you hang up. Nothing to install — guests just open the link.