Costa Mesa - Bontang — time difference

What is the time difference between Costa Mesa and Bontang?

The time difference between Costa Mesa and Bontang is 15 hours. In Bontang, it is 15 hours ahead of Costa Mesa.

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

USA, California, Costa Mesa

05:16:35PM

Thursday, May 21, 2026

⇄

08:16:35AM

Friday, May 22, 2026

Costa Mesa Bontang