Time converter
San Francisco to Boston Converter
Convert any time from San Francisco to Boston — every 15 minutes, daylight-saving aware. Switch to Boston → San Francisco →
PDT (daylight saving time)
EDT (daylight saving time)
About this conversion
San Francisco is on UTC-8; Boston is on UTC-5. In standard (winter) time, Boston is 3 hours ahead San Francisco.
Eastern Time runs on EDT from the second Sunday of March to first Sunday of November, and on EST the rest of the year.
Every 15 minutes — San Francisco to Boston
Reference table for Boston, in 15-minute increments. Both standard-time and daylight-saving answers are shown where they differ.
- 12:00 AM3:00 AM
- 12:15 AM3:15 AM
- 12:30 AM3:30 AM
- 12:45 AM3:45 AM
- 1:00 AM4:00 AM
- 1:15 AM4:15 AM
- 1:30 AM4:30 AM
- 1:45 AM4:45 AM
- 2:00 AM5:00 AM
- 2:15 AM5:15 AM
- 2:30 AM5:30 AM
- 2:45 AM5:45 AM
- 3:00 AM6:00 AM
- 3:15 AM6:15 AM
- 3:30 AM6:30 AM
- 3:45 AM6:45 AM
- 4:00 AM7:00 AM
- 4:15 AM7:15 AM
- 4:30 AM7:30 AM
- 4:45 AM7:45 AM
- 5:00 AM8:00 AM
- 5:15 AM8:15 AM
- 5:30 AM8:30 AM
- 5:45 AM8:45 AM
- 6:00 AM9:00 AM
- 6:15 AM9:15 AM
- 6:30 AM9:30 AM
- 6:45 AM9:45 AM
- 7:00 AM10:00 AM
- 7:15 AM10:15 AM
- 7:30 AM10:30 AM
- 7:45 AM10:45 AM
- 8:00 AM11:00 AM
- 8:15 AM11:15 AM
- 8:30 AM11:30 AM
- 8:45 AM11:45 AM
- 9:00 AM12:00 PM
- 9:15 AM12:15 PM
- 9:30 AM12:30 PM
- 9:45 AM12:45 PM
- 10:00 AM1:00 PM
- 10:15 AM1:15 PM
- 10:30 AM1:30 PM
- 10:45 AM1:45 PM
- 11:00 AM2:00 PM
- 11:15 AM2:15 PM
- 11:30 AM2:30 PM
- 11:45 AM2:45 PM
- 12:00 PM3:00 PM
- 12:15 PM3:15 PM
- 12:30 PM3:30 PM
- 12:45 PM3:45 PM
- 1:00 PM4:00 PM
- 1:15 PM4:15 PM
- 1:30 PM4:30 PM
- 1:45 PM4:45 PM
- 2:00 PM5:00 PM
- 2:15 PM5:15 PM
- 2:30 PM5:30 PM
- 2:45 PM5:45 PM
- 3:00 PM6:00 PM
- 3:15 PM6:15 PM
- 3:30 PM6:30 PM
- 3:45 PM6:45 PM
- 4:00 PM7:00 PM
- 4:15 PM7:15 PM
- 4:30 PM7:30 PM
- 4:45 PM7:45 PM
- 5:00 PM8:00 PM
- 5:15 PM8:15 PM
- 5:30 PM8:30 PM
- 5:45 PM8:45 PM
- 6:00 PM9:00 PM
- 6:15 PM9:15 PM
- 6:30 PM9:30 PM
- 6:45 PM9:45 PM
- 7:00 PM10:00 PM
- 7:15 PM10:15 PM
- 7:30 PM10:30 PM
- 7:45 PM10:45 PM
- 8:00 PM11:00 PM
- 8:15 PM11:15 PM
- 8:30 PM11:30 PM
- 8:45 PM11:45 PM
- 9:00 PM12:00 AM(+1d)
- 9:15 PM12:15 AM(+1d)
- 9:30 PM12:30 AM(+1d)
- 9:45 PM12:45 AM(+1d)
- 10:00 PM1:00 AM(+1d)
- 10:15 PM1:15 AM(+1d)
- 10:30 PM1:30 AM(+1d)
- 10:45 PM1:45 AM(+1d)
- 11:00 PM2:00 AM(+1d)
- 11:15 PM2:15 AM(+1d)
- 11:30 PM2:30 AM(+1d)
- 11:45 PM2:45 AM(+1d)
Frequently asked
What is noon San Francisco in Boston?
When it's 12:00 PM San Francisco (Pacific Time), the time in Boston (Eastern Time) is 3:00 PM year-round.
How many hours is Boston ahead of San Francisco?
In standard (winter) time, Boston is 3 hours ahead of San Francisco. When daylight saving time is in effect, the difference becomes 3 hours ahead of San Francisco.
When does Eastern Time switch between EST and EDT?
Eastern Time is on EDT (UTC-4) from the second Sunday of March to first Sunday of November, and on EST (UTC-5) the rest of the year.
What cities use Eastern Time?
Major cities on Eastern Time include New York, Toronto, Washington, DC, Atlanta, and Miami.
What is noon San Francisco in other time zones?
Noon San Francisco corresponds to 2:00 PM CST, 9:00 PM CET, 1:30 AM (next day) IST.