Helsinki - Costa Mesa — time difference

What is the time difference between Helsinki and Costa Mesa?

The time difference between Helsinki and Costa Mesa is 10 hours. In Costa Mesa, it is 10 hours behind Helsinki.

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

Finland, Southern Finland Province, Helsinki

06:36:

Thursday, October 23, 2025

⇄

08:36:

Thursday, October 23, 2025