About the time in San Francisco

San Francisco is a city in USA. It uses the America/Los_Angeles time zone, which is currently UTC-7 — that is, -7 hours from Coordinated Universal Time. San Francisco observes daylight saving time, so its UTC offset shifts by one hour between summer and winter.

Compared with other major cities right now, San Francisco is 3 hours behind of New York and 8 hours behind of London. The table above updates live, so the differences you see always reflect current daylight saving rules on both sides.

What time zone is San Francisco in?

San Francisco follows the America/Los_Angeles time zone (UTC-7). All clocks on this page are driven by the official IANA time zone database, the same source used by operating systems and airlines worldwide.

Does San Francisco observe daylight saving time?

Yes — clocks shift by one hour between summer and winter, and the times on this page adjust automatically on the changeover dates.

Sunrise and sunset in San Francisco

Today's sunrise and sunset above are calculated astronomically for San Francisco's coordinates (37.77°, -122.42°) and shown in local San Francisco time. They shift a little every day through the year and jump by an hour on daylight saving changeover dates.

How is this clock kept accurate?

The time shown is your device clock converted into San Francisco's time zone using your browser's built-in IANA database. If your device clock is correct, the time above is correct — no server round-trips, nothing to install.