Time difference between Helsinki and San Francisco
San Francisco is 10 hours behind Helsinki
Right now
Helsinki
19:38
EEST ·
UTC+3
San Francisco
09:38
PDT ·
UTC-7
Best time for a call between Helsinki and San Francisco
Hours highlighted in green work for everyone on the list.
- 19:00 Helsinki 09:00 San Francisco
- 17:00 Helsinki 07:00 San Francisco
- 18:00 Helsinki 08:00 San Francisco
Hour by hour: Helsinki to San Francisco
Working hours are shaded. The rows marked with a star are the ones we recommend for a call.
| Helsinki (reference) | San Francisco | |
|---|---|---|
| 00:00 | 14:00 (previous day) | |
| 01:00 | 15:00 (previous day) | |
| 02:00 | 16:00 (previous day) | |
| 03:00 | 17:00 (previous day) | |
| 04:00 | 18:00 (previous day) | |
| 05:00 | 19:00 (previous day) | |
| 06:00 | 20:00 (previous day) | |
| 07:00 | 21:00 (previous day) | |
| 08:00 | 22:00 (previous day) | |
| 09:00 | 23:00 (previous day) | |
| 10:00 | 00:00 | |
| 11:00 | 01:00 | |
| 12:00 | 02:00 | |
| 13:00 | 03:00 | |
| 14:00 | 04:00 | |
| 15:00 | 05:00 | |
| 16:00 | 06:00 | |
| ★ | 17:00 | 07:00 |
| ★ | 18:00 | 08:00 |
| ★ | 19:00 | 09:00 |
| 20:00 | 10:00 | |
| 21:00 | 11:00 | |
| 22:00 | 12:00 | |
| 23:00 | 13:00 |
Table built for August 26, 2026. The live values above update in your browser.
Daylight saving time
Both cities change their clocks, but not always on the same date — the difference between them shifts for a few weeks each year.
Frequently asked questions
What is the time difference between Helsinki and San Francisco?
San Francisco is 10 hours behind Helsinki
What is the best time to call between Helsinki and San Francisco?
The most convenient slot is 19:00 Helsinki / 09:00 San Francisco. That keeps the call inside working hours in both cities.
Does the difference between Helsinki and San Francisco change during the year?
Both cities change their clocks, but not always on the same date — the difference between them shifts for a few weeks each year.