Boston
Exact time synced with atomic clocks (IANA + NTP)
Sunday, April 5, 2026
United States · America/New_York · EDT
Boston and San Francisco Time Difference
Boston is 3h ahead of San Francisco
14:19:28
San Francisco
Exact time synced with atomic clocks (IANA + NTP)
Sunday, April 5, 2026
United States · America/Los_Angeles · PDT
Best time for work calls
If you are scheduling a call between Boston and San Francisco, the overlap window is limited to typical business hours. When it is 12 pm in Boston it is 9 am in San Francisco — a workable window for scheduling. The latest reasonable overlap is around 5 pm in Boston (2 pm in San Francisco). Outside this window there is effectively no good overlap for regular office hours.
Best time for family calls
Boston and San Francisco have a comfortable window for a family call — no awkward alarms required. Boston is 3 hours ahead of San Francisco, which gives you 4 hours of genuine overlap when both sides are free. Aim for between 6 pm and 10 pm in Boston — that lands at 3 pm to 7 pm in San Francisco, after the school run and before anyone's ready for bed. For a Sunday catch-up or a midweek check-in, this is the sweet spot.
Boston
Truman Day
Memorial Day
Juneteenth National Independence Day
Via Nager.Date
🌅 Dawn5:52:25 AM
☀️ Sunrise6:20:58 AM
🌞 Solar Noon12:48:03 PM
🌇 Golden Hour6:37:55 PM
🌆 Sunset7:15:08 PM
🌃 Dusk7:43:41 PM
Day length12:54:09
Data via sunrisesunset.io
Condition🌧️ Rain
Temperature9°C
Feels like8°C
Humidity96%
Wind4 mph W
Data via Open-Meteo · Updates every 30 min
Phase🌖 Waning Gibbous
Illumination87%
CycleWaning
Moon age18.3 days
Moonrise22:26
Moonset07:43
New87% illuminatedFull
San Francisco
Truman Day
Memorial Day
Juneteenth National Independence Day
Via Nager.Date
🌅 Dawn6:22:48 AM
☀️ Sunrise6:49:25 AM
🌞 Solar Noon1:13:27 PM
🌇 Golden Hour7:02:43 PM
🌆 Sunset7:37:29 PM
🌃 Dusk8:04:06 PM
Day length12:48:04
Data via sunrisesunset.io
Condition☁️ Overcast
Temperature19°C
Feels like18°C
Humidity56%
Wind6 mph N
Data via Open-Meteo · Updates every 30 min
Phase🌖 Waning Gibbous
Illumination87%
CycleWaning
Moon age18.3 days
Moonrise22:46
Moonset08:28
New87% illuminatedFull