Current Time in San Francisco
The current time in San Francisco is displayed live above, refreshing every second directly from your device using the America/Los_Angeles IANA timezone database. Whether you're asking "what time is it in San Francisco right now?" for a business call, a flight, or simply staying connected with someone across the world, this page gives you instant, accurate time information with no conversion needed.
What Time Zone is San Francisco In?
San Francisco is in the America/Los_Angeles time zone. During standard time, the city observes UTC-8, meaning it is 8 hours behind Coordinated Universal Time (UTC). During Daylight Saving Time, the offset shifts to UTC-7.
The IANA timezone identifier America/Los_Angeles is used by operating systems, programming languages, and databases worldwide to accurately calculate the local time in San Francisco at any point in history or future.
UTC Offset: UTC-8 / UTC-7
A UTC offset tells you how many hours (and sometimes half-hours) a location is ahead of or behind Coordinated Universal Time. San Francisco's offset of UTC-8 means that when it is 12:00 noon UTC, it is 04:00 (4:00 AM) in San Francisco.
During Daylight Saving Time, this offset temporarily changes to UTC-7, effectively moving the clock one hour forward to extend usable evening daylight. This adjustment can affect scheduling with international partners, so it is important to check the current offset before arranging calls or meetings.
Daylight Saving Time in San Francisco
California observes PDT (UTC-7) in summer. San Francisco shares the Pacific Time Zone with Los Angeles.
When Daylight Saving Time is in effect, time in San Francisco now reflects the adjusted offset. The clocks on this page always show the correct current local time, automatically accounting for any DST transitions.
Time in San Francisco Compared to Other Cities
Understanding the time difference between San Francisco and other major cities helps with planning international calls, remote work schedules, and travel. Here is how San Francisco (UTC-8) relates to a few key reference points:
| City | UTC Offset | Difference from San Francisco |
|---|---|---|
| London | UTC+0 / +1 | See live clocks |
| New York | UTC-5 / -4 | See live clocks |
| Tokyo | UTC+9 | See live clocks |
| Dubai | UTC+4 | See live clocks |
| Sydney | UTC+10 / +11 | See live clocks |
About San Francisco
San Francisco is a major city in USA located in North America, positioned at approximately 37.77°N, -122.42°E. With a population of around 874 thousand, it is an important global hub for commerce, culture, and communication. Its geographic location at this longitude places it naturally in the America/Los_Angeles timezone.
When calling or messaging someone in San Francisco, it's essential to know the time in San Francisco now to avoid contacting them outside of business or waking hours. Use the live clock at the top of this page for an immediate reference.
Frequently Asked Questions: Time in San Francisco
What time is it in San Francisco right now?
The exact current time in San Francisco is shown at the top of this page. It updates every second using the America/Los_Angeles timezone, so you always see the precise local time in San Francisco right now — no manual conversion required.
What time zone is San Francisco in?
San Francisco is in the America/Los_Angeles time zone. This corresponds to UTC-8 during standard time, and UTC-7 during Daylight Saving Time. The IANA identifier is used universally by software to identify this timezone precisely.
Does San Francisco observe Daylight Saving Time?
California observes PDT (UTC-7) in summer. San Francisco shares the Pacific Time Zone with Los Angeles. During DST, the UTC offset changes from -8 to -7.
What is the UTC offset for San Francisco?
The UTC offset for San Francisco is UTC-8 during standard time. This changes to UTC-7 when Daylight Saving Time is active. Always check whether DST is currently in effect when calculating the exact time difference.
How do I calculate the time difference between San Francisco and my city?
To find the time difference between San Francisco (UTC-8) and your location, subtract your local UTC offset from -8. For example, if you are in New York (UTC-5), the difference is -8 minus (-5) = -3 hours (San Francisco being ahead). Always account for DST if either location observes it seasonally. The easiest method is simply comparing the live clocks on this site.
What is the best time to call San Francisco from abroad?
Business hours in San Francisco are generally 09:00–18:00 local time. Given its UTC-8 offset, this corresponds to different windows depending on where you are calling from. Use the live clock above to check the current time in San Francisco before making a call, and plan for a 09:00–18:00 local window for the best chance of reaching someone during working hours.