San Francisco is on standard time, UTC−8 (PST). On Sunday, March 14, 2027, clocks go forward 1 hour to UTC−7.
San Francisco and your time
San Francisco at a glance
| Country | United States |
|---|---|
| Region | California |
| Time zone | America/Los_Angeles |
| Abbreviation now | PST |
| UTC offset now | UTC−8 |
| Daylight saving time | Starts Mar 14, 2027 |
| Next clock change | Sunday, March 14, 2027 |
| Coordinates | 37.77° N, 122.42° W |
San Francisco time zone and clock changes
Under the America/Los_Angeles rules, San Francisco spends part of each year on UTC−8 (PST) and the rest on UTC−7 (PDT). The coming daylight saving period ends on Sunday, November 7, 2027.
The United States uses 6 offsets, and San Francisco is not on the same time as the capital: right now Washington D.C. is 3 hours ahead of San Francisco.
Clock changes in San Francisco, 2026 and 2027
| Date | Change | New offset |
|---|---|---|
| Sunday, March 8, 2026 | Clocks go forward 1 hour: 2:00 AM becomes 3:00 AM | UTC−7 |
| Sunday, November 1, 2026 | Clocks go back 1 hour: 2:00 AM becomes 1:00 AM | UTC−8 |
| Sunday, March 14, 2027 | Clocks go forward 1 hour: 2:00 AM becomes 3:00 AM | UTC−7 |
| Sunday, November 7, 2027 | Clocks go back 1 hour: 2:00 AM becomes 1:00 AM | UTC−8 |
San Francisco time compared with major cities
A 9:00 AM start in San Francisco is 5:00 PM in London, 4:00 AM (next day) in Sydney and 12:00 PM in Washington D.C.
| City | Time now | Difference now | In January | In July | Shared office hours |
|---|---|---|---|---|---|
| Washington D.C. | --:-- | 3 h ahead | 3 h ahead | 3 h ahead | 5 h |
| London (United Kingdom) | --:-- | 8 h ahead | 8 h ahead | 8 h ahead | None |
| Paris (France) | --:-- | 9 h ahead | 9 h ahead | 9 h ahead | None |
| Dubai (United Arab Emirates) | --:-- | 12 h ahead | 12 h ahead | 11 h ahead | None |
| Mumbai (India) | --:-- | 13 h 30 min ahead | 13 h 30 min ahead | 12 h 30 min ahead | None |
| Singapore | --:-- | 16 h ahead | 16 h ahead | 15 h ahead | None |
| Tokyo (Japan) | --:-- | 17 h ahead | 17 h ahead | 16 h ahead | None |
| Sydney (Australia) | --:-- | 19 h ahead | 19 h ahead | 17 h ahead | None |
| UTC | --:-- | 8 h ahead | 8 h ahead | 7 h ahead | None |
The difference is not fixed for every city: where the January and July columns disagree, one side moves its clocks and the other does not, or both move on different dates.
Shared office hours is the part of a 9 AM to 5 PM local working day that both cities have in common. Weekends are not taken into account.
Sunrise and sunset in San Francisco
Today
| Sunrise | --:-- |
|---|---|
| Sunset | --:-- |
| Day length | -- |
| Solar noon | --:-- |
The earliest sunrise in San Francisco is at 5:47 AM on June 13, and the latest sunset at 8:36 PM on June 27.
Daylight through the year in San Francisco
| Date | Sunrise | Sunset | Day length | |
|---|---|---|---|---|
| March equinox | March 20 | 7:13 AM | 7:22 PM | 12 h 9 min |
| June solstice | June 21 | 5:48 AM | 8:35 PM | 14 h 47 min |
| September equinox | September 22 | 6:58 AM | 7:06 PM | 12 h 9 min |
| December solstice | December 21 | 7:21 AM | 4:54 PM | 9 h 33 min |
Sunrise and sunset jump by 1 hour on the days the clocks change, even though the daylight itself changes only by a minute or two.
When the sun is highest in San Francisco
Clock time and sun time line up fairly well in San Francisco: solar noon falls at about 12:10 PM on standard time and 1:10 PM during daylight saving time.
Cities near San Francisco
Every city below shares San Francisco’s clock.
| City | Distance | Time now | Difference |
|---|---|---|---|
| Oakland | 13 km (8 mi) | --:-- | Same time |
| San Mateo | 25 km (16 mi) | --:-- | Same time |
| Hayward | 32 km (20 mi) | --:-- | Same time |
| Vallejo | 39 km (24 mi) | --:-- | Same time |
| Concord | 41 km (25 mi) | --:-- | Same time |
| Fremont | 46 km (28 mi) | --:-- | Same time |
| Sunnyvale | 56 km (35 mi) | --:-- | Same time |
| Antioch | 60 km (37 mi) | --:-- | Same time |
Cities that share San Francisco’s time zone
These cities follow the same time zone rules as San Francisco, including the same clock changes.
Same time now, different rules
These places read the same time as San Francisco today but follow different rules, so they can drift apart when clocks change.
More cities in United States
- New York
- Los Angeles
- Chicago
- Houston
- Phoenix
- Philadelphia
- San Antonio
- San Diego
- The Bronx
- Dallas
- Jacksonville
- Fort Worth
All time zones and cities in the United States
Plan around the time in San Francisco
- Convert a time to or from San Francisco: pick a date and time and see it in every city on your list.
- Add San Francisco to your world clock to keep it next to your own time.
- Find a meeting time that falls inside office hours in San Francisco and the other cities you work with.
- Open a full-screen clock for your own time zone.
Frequently asked questions
What time zone is San Francisco in?
San Francisco uses the America/Los_Angeles time zone: UTC−8 (PST) in standard time and UTC−7 (PDT) during daylight saving time.
When do the clocks change in San Francisco?
The next change is on Sunday, March 14, 2027 at 2:00 AM, when clocks go forward 1 hour to UTC−7. They go back again on Sunday, November 7, 2027.
What is the time difference between San Francisco and London?
San Francisco is 8 hours behind London for most of the year. From March 14 to March 27 and October 30 to November 7, the gap is 7 hours, because San Francisco and London change their clocks on different dates.
Is San Francisco on the same time as Washington D.C.?
No. Washington D.C. is 3 hours ahead of San Francisco, because the United States uses more than one offset.
How long is the longest day in San Francisco?
About 14 hours 47 minutes, around the June solstice. The shortest day, around the December solstice, has about 9 hours 33 minutes of daylight.
Time zone rules: IANA tz database, version 2026e. Place names and coordinates: GeoNames. Sunrise and sunset are calculated from the coordinates and can differ by a minute or two from local almanacs.