Current time in San Diego, United States
The current local time in San Diego is shown below. San Diego observes PST in winter and PDT during daylight saving time.
Daylight saving time
Sunrise & sunset today
Timezone facts
San Diego in context
San Diego sits on the southern California coast at the US-Mexico border, the second-largest city in California with around 1.4 million residents and a metropolitan area of 3.3 million. The geography is defined by an unusually deep natural harbour, the wide canyons that fragment the city's terrain into distinct neighbourhoods, and the immediate proximity to Tijuana on the Mexican side of the border, which together with San Diego forms one of the world's largest binational urban systems.
Timezone history of San Diego
San Diego shares Pacific Time and federal DST with the rest of California. The Mexican state of Baja California across the border also uses Pacific Time and continues to observe DST, having been exempted from Mexico's 2022 nationwide abolition because of the close US economic integration. The result is that the San Diego-Tijuana metropolitan area remains on a single clock year-round, unlike the El Paso-Juárez border to the east.
Working hours in San Diego
San Diego's working economy is shaped by three major sectors: military (with several large Navy and Marine installations), biotechnology (concentrated in the Torrey Pines mesa and La Jolla), and binational manufacturing across the border. Office hours run 08:00 to 17:00 in the conventional sectors, with biotech research often extending past 19:00. The pleasant weather supports a high concentration of outdoor and recreational employment, with the local hospitality sector running shifted hours to match peak coastal activity.