United States · America/Los_Angeles
Current time in San Francisco
A practical clock for Silicon Valley companies and engineering teams working across continents. The live clock and UTC offset below update automatically.
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Time zone facts
San Francisco time, explained
San Francisco uses the IANA time zone America/Los_Angeles. Its seasonal UTC offset changes between UTC−08:00 and UTC−07:00.
Local daylight-saving rules can change, so timediff calculates the offset for the exact moment instead of storing a fixed number.