California - Helsinki — time difference

What is the time difference between California and Helsinki?

The time difference between California and Helsinki is 10 hours. In Helsinki, it is 10 hours ahead of California.

Time format: 12h 24h Start typing the name of the country / city where you want to know the current time.

USA, California

12:16:

Friday, 12 September 2025

⇄

10:16:

Friday, 12 September 2025