California contains 1240 documented cities and communities in our database. This high number of urban centers indicates a densely populated and well-developed region with extensive infrastructure and services.

Major Population Center

Los Angeles stands as the largest city in California with 3,820,914 residents. This major metropolitan area serves as the regional economic and cultural hubinfluencing time-sensitive activities across the entire region.

Regional Time Coordination

California operates within the America/Los_Angeles time zone. Regional activities adjust for seasonal time changesaffecting business hourstransportation schedulesand public services twice yearly.

Economic Integration

Regional economic activities in California benefit from synchronized time coordination across its 1240 urban areas. Local businessesregional government servicesand transportation networks operate on coordinated schedules that support efficient commerce and public administration throughout the region.

Cultural and Social Coordination

Community eventseducational institutionsand social services across California rely on shared time standards for effective coordination. Los Angeles often serves as the regional reference point for major events and cultural activitiesensuring residents can participate in regional programs and services.

Daylight Saving Time in California

California follows daylight saving time practices with seasonal clock adjustments. Regional clocks move forward on March 92025 (Sunday) and return to standard time on November 22025 (Sunday). The spring change occurs at 2:00 AM when clocks jump to 3:00 AM. In autumnclocks return from 2:00 AM back to 1:00 AM. This coordinated change affects all cities within Californiaensuring synchronized schedules for the 1240 documented communities in the region. Regional business operationspublic transportationschool schedulesand government services all transition simultaneously to maintain coordination.