Costa Mesa, California, United States (City)     Current Local Time: In 24-hour Notation: Mon., May. 29, 2023 07:45:59 A.M. PDT Mon., May. 29, 2023 07:45:59 PDT Local Time Zone: America/Los Angeles Currently Observing: Daylight Savings Time Universal Coordinated Time: Mon., May. 29, 2023 14:45:59 UTC/GMT

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