Seattle vs Boston time difference
Boston is 3 h ahead
Seattle 11:27 · Boston 14:27. From November 1 Boston will be 2 h ahead.
Seattle now
Wednesday, October 21UTC-7, PDT
Boston now
Wednesday, October 21UTC-4, EDT
Convert a time
Using today's difference: 3 h. From November 1: 2 h.
When the difference changes
-
1Nov 2026
Boston moves its clocks one hour back in 11 days
The difference becomes 2 h: Boston ahead
-
1Nov 2026
Seattle moves its clocks one hour back
The difference becomes 3 h: Boston ahead
-
14Mar 2027
Boston moves its clocks one hour forward
The difference becomes 4 h: Boston ahead
-
14Mar 2027
Seattle moves its clocks one hour forward
The difference becomes 3 h: Boston ahead
-
7Nov 2027
Boston moves its clocks one hour back
The difference becomes 2 h: Boston ahead
-
7Nov 2027
Seattle moves its clocks one hour back
The difference becomes 3 h: Boston ahead
Both cities change their clocks, on different dates.