Time difference between Tokyo and San Francisco
San Francisco is 16 hours behind Tokyo
Right now
Tokyo
01:38
JST ·
UTC+9
San Francisco
09:38
PDT ·
UTC-7
Best time for a call between Tokyo and San Francisco
Hours highlighted in green work for everyone on the list.
- 08:00 Tokyo 16:00 San Francisco
- 09:00 Tokyo 17:00 San Francisco
- 07:00 Tokyo 15:00 San Francisco
Hour by hour: Tokyo to San Francisco
Working hours are shaded. The rows marked with a star are the ones we recommend for a call.
| Tokyo (reference) | San Francisco | |
|---|---|---|
| 00:00 | 08:00 (previous day) | |
| 01:00 | 09:00 (previous day) | |
| 02:00 | 10:00 (previous day) | |
| 03:00 | 11:00 (previous day) | |
| 04:00 | 12:00 (previous day) | |
| 05:00 | 13:00 (previous day) | |
| 06:00 | 14:00 (previous day) | |
| ★ | 07:00 | 15:00 (previous day) |
| ★ | 08:00 | 16:00 (previous day) |
| ★ | 09:00 | 17:00 (previous day) |
| 10:00 | 18:00 (previous day) | |
| 11:00 | 19:00 (previous day) | |
| 12:00 | 20:00 (previous day) | |
| 13:00 | 21:00 (previous day) | |
| 14:00 | 22:00 (previous day) | |
| 15:00 | 23:00 (previous day) | |
| 16:00 | 00:00 | |
| 17:00 | 01:00 | |
| 18:00 | 02:00 | |
| 19:00 | 03:00 | |
| 20:00 | 04:00 | |
| 21:00 | 05:00 | |
| 22:00 | 06:00 | |
| 23:00 | 07:00 |
Table built for August 27, 2026. The live values above update in your browser.
Daylight saving time
San Francisco changes its clocks and Tokyo does not, so the difference between them is not the same all year.
Frequently asked questions
What is the time difference between Tokyo and San Francisco?
San Francisco is 16 hours behind Tokyo
What is the best time to call between Tokyo and San Francisco?
The most convenient slot is 08:00 Tokyo / 16:00 San Francisco. That keeps the call inside working hours in both cities.
Does the difference between Tokyo and San Francisco change during the year?
San Francisco changes its clocks and Tokyo does not, so the difference between them is not the same all year.