Time difference between San Francisco and Boston
Boston is 3 hours ahead of San Francisco all year.
Time difference right now
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San Francisco
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Boston
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Hour-by-hour conversion table
| San Francisco | Boston |
|---|
San Francisco and Boston through the year
| San Francisco | Boston | Difference | |
|---|---|---|---|
| January | UTC−8 | UTC−5 | +3 h |
| July | UTC−7 | UTC−4 | +3 h |
Time zones: San Francisco uses America/Los Angeles, Boston uses America/New York. How far apart are they? See the distance from San Francisco to Boston. Current local time: San Francisco · Boston.
More time differences from San Francisco
Frequently asked questions
What is the time difference between San Francisco and Boston?
Boston is 3 hours ahead of San Francisco all year. The live figure at the top of this page uses today’s rules.
If it is 9:00 AM in San Francisco, what time is it in Boston?
In January it is 12:00 (24-hour clock) in Boston; in July it is 12:00. Use the hour-by-hour table for any other hour.
Do San Francisco and Boston use daylight saving time?
San Francisco: yes (UTC−8 standard, UTC−7 summer). Boston: yes (UTC−5 standard, UTC−4 summer).