Time difference between New York and San Francisco
San Francisco is currently 3 hours behind New York. The best shared working window is 16:00–21:00 UTC — 5 hours a day. The table below shows the hours side by side.
National conventions are the default and the public figure. Change them here for your own answer — the chart, the window and the calendar file all follow.
Not on that day. Sunday is a rest day in both New York and San Francisco. The hours above are what you would share on a day you are both at work.
09:00 New York At work = 06:00 San Francisco Asleep
Tap any hour to read it in both cities.
The difference changes twice a year
New York and San Francisco do not change their clocks on the same dates, so a standing meeting moves by an hour in these weeks.
- 1 November – 31 October −2 h
- 14 March – 13 March −4 h
- usually −3 h
Hour by hour
| New York | San Francisco | |
|---|---|---|
| 00:00 | 21:00 | |
| 01:00 | 22:00 | |
| 02:00 | 23:00 | |
| 03:00 | 00:00 | |
| 04:00 | 01:00 | |
| 05:00 | 02:00 | |
| 06:00 | 03:00 | |
| 07:00 | 04:00 | |
| 08:00 | 05:00 | |
| 09:00 | 06:00 | |
| 10:00 | 07:00 | |
| 11:00 | 08:00 | |
| 12:00 | 09:00 | both at work |
| 13:00 | 10:00 | both at work |
| 14:00 | 11:00 | both at work |
| 15:00 | 12:00 | both at work |
| 16:00 | 13:00 | both at work |
| 17:00 | 14:00 | |
| 18:00 | 15:00 | |
| 19:00 | 16:00 | |
| 20:00 | 17:00 | |
| 21:00 | 18:00 | |
| 22:00 | 19:00 | |
| 23:00 | 20:00 |
The difference adjusts automatically for daylight saving in both New York and San Francisco.
The working week
- New York
- 09:00 to 17:00, Monday, Tuesday, Wednesday, Thursday, Friday.
- San Francisco
- 09:00 to 17:00, Monday, Tuesday, Wednesday, Thursday, Friday.
Sources and last check
Times, offsets and sun positions on this page are computed live from the IANA timezone database and the NOAA solar algorithm, so they do not depend on the review dates below.
- Working hours and weekend days for 55 countries
- Source: Published national labour conventions and government working-hours guidance. Last checked, reviewed every 12 months.
Not covered:A national convention, not any given employer. Countries not listed fall back to a nine-to-five, Monday to Friday default, and pages say so rather than implying we checked.
FAQ
How many hours between New York and San Francisco?
San Francisco is 3 hours behind New York (-3 hours).
When is the best time for a meeting?
Around 16:00–21:00 UTC, when both working days overlap — New York works 09:00–17:00 and San Francisco works 09:00–17:00, each in their own local time.