- What time zone is San Francisco in?
- San Francisco uses Pacific Time — Pacific Standard Time (PST, UTC−8) from early November through mid-March, and Pacific Daylight Time (PDT, UTC−7) the rest of the year. PDT is in effect for the majority of the calendar year.
- What are typical business hours in San Francisco?
- Most SF businesses operate 9 AM to 6 PM Pacific Time, though tech companies often have flexible hours with core collaboration windows of 10 AM to 4 PM. Early-morning calls before 8 AM are unusual unless explicitly agreed upon.
- When does San Francisco observe daylight saving time?
- San Francisco (California) springs forward one hour on the second Sunday of March and falls back on the first Sunday of November, in line with the rest of the contiguous United States.
