Time difference between San Francisco and Tokyo
Tokyo is currently 16 hours ahead of San Francisco. The best shared working window is no shared hours (0 hours). The table below shows the hours side by side.
works with →
San Franciscoyour day
09:00–17:00 local
Tokyotheir day
09:00–18:00 local
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0hoverlap
brutal, No shared working hours, fully async, or it doesn't work.
Hour by hour
| San Francisco | Tokyo | |
|---|---|---|
| 00:00 | 16:00 | |
| 01:00 | 17:00 | |
| 02:00 | 18:00 | |
| 03:00 | 19:00 | |
| 04:00 | 20:00 | |
| 05:00 | 21:00 | |
| 06:00 | 22:00 | |
| 07:00 | 23:00 | |
| 08:00 | 00:00 | |
| 09:00 | 01:00 | |
| 10:00 | 02:00 | |
| 11:00 | 03:00 | |
| 12:00 | 04:00 | |
| 13:00 | 05:00 | |
| 14:00 | 06:00 | |
| 15:00 | 07:00 | |
| 16:00 | 08:00 | |
| 17:00 | 09:00 | |
| 18:00 | 10:00 | |
| 19:00 | 11:00 | |
| 20:00 | 12:00 | |
| 21:00 | 13:00 | |
| 22:00 | 14:00 | |
| 23:00 | 15:00 |
The difference adjusts automatically for daylight saving in both places. Living in San Francisco and working with Tokyo? See the rhythm score for basing there.
The working week
- San Francisco
- 09:00 to 17:00, Monday, Tuesday, Wednesday, Thursday, Friday.
- Tokyo
- 09:00 to 18:00, Monday, Tuesday, Wednesday, Thursday, Friday.
- Nine to six is the conventional office day, and overtime is common on top of it.
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 50 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 San Francisco and Tokyo?
Tokyo is 16 hours ahead of San Francisco (+16 hours).
When is the best time for a meeting?
Around no shared hours, when both working days overlap.