Fullerton, California, United States (City)     Current Local Time: In 24-hour Notation: Mon., Sep. 14, 2026 05:23:41 P.M. PDT Mon., Sep. 14, 2026 17:23:41 PDT Local Time Zone: America/Los Angeles Currently Observing: Daylight Savings Time Universal Coordinated Time: Tue., Sep. 15, 2026 00:23:41 UTC/GMT

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