Current time in San Francisco, United States
The current local time in San Francisco is shown below. San Francisco observes PST in winter and PDT during daylight saving time.
Daylight saving time
Sunrise & sunset today
Timezone facts
San Francisco in context
San Francisco occupies the northern tip of a peninsula between the Pacific Ocean and San Francisco Bay, at the entrance to one of the world's largest natural harbours. The city proper holds around 815,000 residents within an unusually compact 121 square kilometres, but the wider Bay Area extends north to Sonoma, east into the Tri-Valley, and south through Silicon Valley to San Jose, with a combined population of around 7.7 million. The terrain of fifty hills shapes the street grid and the famous fog.
Timezone history of San Francisco
San Francisco is on Pacific Time alongside the rest of California, but the Bay Area's business calendar is shaped less by Pacific timing than by the windows where it overlaps with other markets: a morning that overlaps with East Coast trading and afternoons that begin to overlap with Asia. The New York Stock Exchange opens at 06:30 local time, three hours before the start of the local working day, and tech offices that coordinate with Tokyo or Singapore frequently hold early-morning or late-evening meeting slots.
Working hours in San Francisco
The tech industry's working norms shape much of San Francisco's office culture. Many companies operate flexible hours that lean later than 09:00, with on-site cafeterias displacing the traditional lunch break and meetings extending late to accommodate the East Coast and Asian time zones. Hybrid arrangements introduced during the pandemic have largely persisted, with two or three in-office days now common in the technology and professional services sectors. Federal holidays apply, alongside informal closure of many tech offices around the Christmas and New Year period.