Riyadh - Costa Mesa — time difference

What is the time difference between Riyadh and Costa Mesa?

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

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

Saudi Arabia, Mintaqat ar Riyad, Riyadh

02:51:

Sunday, 21 September 2025

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04:51:

Saturday, 20 September 2025