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Seattle and Boston Time Difference

Seattle is 3h behind Boston

Seattle
Seattle

Exact time synced with atomic clocks (IANA + NTP)

09:18:07

Sunday, April 5, 2026

United States · America/Los_Angeles · PDT

Boston
Boston

Exact time synced with atomic clocks (IANA + NTP)

12:18:07

Sunday, April 5, 2026

United States · America/New_York · EDT

Best time for work calls

If you are scheduling a call between Seattle and Boston, the overlap window is limited to typical business hours. When it is 9 am in Seattle it is 12 pm in Boston — a workable window for scheduling. The latest reasonable overlap is around 2 pm in Seattle (5 pm in Boston). Outside this window there is effectively no good overlap for regular office hours.

Best time for family calls

Scheduling a family call between Seattle and Boston takes a little planning. Seattle is 3 hours behind Boston, which means there's no window that feels comfortable for everyone at the same time. The most manageable option is early evening in Seattle — around 7 pm — which puts Boston at 10 pm. Someone will need to stretch a little, but at least no one's setting a middle-of-the-night alarm. Weekends tend to give the most flexibility if you can agree on a time in advance.

Seattle

  • Truman Day

  • Memorial Day

  • Juneteenth National Independence Day

Via Nager.Date

🌅 Dawn6:09:13 AM
☀️ Sunrise6:40:42 AM
🌞 Solar Noon1:13:06 PM
🌇 Golden Hour7:04:40 PM
🌆 Sunset7:45:29 PM
🌃 Dusk8:16:58 PM
Day length13:04:47

Data via sunrisesunset.io

Condition☁️ Overcast
Temperature10°C
Feels like8°C
Humidity86%
Wind6 mph NE

Data via Open-Meteo · Updates every 30 min

Phase🌖 Waning Gibbous
Illumination87%
CycleWaning
Moon age18.2 days
Moonrise23:21
Moonset07:51
New87% illuminatedFull

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☁️ Overcast
Temperature8°C
Feels like6°C
Humidity96%
Wind5 mph SW

Data via Open-Meteo · Updates every 30 min

Phase🌖 Waning Gibbous
Illumination87%
CycleWaning
Moon age18.2 days
Moonrise22:26
Moonset07:43
New87% illuminatedFull

Other times compared to Seattle