Time difference between Boston and Seattle

Seattle is 3 hours behind Boston.

United States · Eastern Standard Time

7:45 PM

Wednesday, November 11, 2026

United States · Pacific Standard Time

4:45 PM

Wednesday, November 11, 2026

Boston to Seattle time converter

Green rows are office hours in both places; light green rows are when both are awake.

What is the time difference between Boston and Seattle?

Seattle is 3 hours behind Boston. Boston is on UTC−5 and Seattle is on UTC−8.

What time is it in Seattle when it is 9 AM in Boston?

When it is 9:00 AM in Boston, it is 6:00 AM in Seattle.

When is the best time to call Seattle from Boston?

The best time to call or meet is 12:00 PM–6:00 PM in Boston (9:00 AM–3:00 PM in Seattle), when both places are in normal office hours.

Which days are working days in both Boston and Seattle?

Both Boston and Seattle usually work Monday to Friday.

Does the time difference between Boston and Seattle change?

No. Neither Boston nor Seattle changes its clocks in a way that affects the difference, so it stays the same all year.

Boston is 3 hours ahead of Seattle. More: time in Boston · time in Seattle