Does Boston observe daylight saving time?

Yes. Boston is on EDT (UTC-4) now, and its clocks go back 1 hour on Sun, Nov 1, to EST (UTC-5).

Does Seattle observe daylight saving time?

Yes. Seattle is on PDT (UTC-7) now, and its clocks go back 1 hour on Sun, Nov 1, to PST (UTC-8).

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

6:00 AM in Seattle, on the same day.

Boston to Seattle Meeting Planner

Seattle is 3 hours behind Boston right now. Their working days overlap for 5 hours today.

Boston · United States

5:21 PM

Sat, Oct 17 · EDT · summer time

Seattle · United States

2:21 PM

Sat, Oct 17 · PDT · summer time

Best Meeting Times Between Boston and Seattle

12:00 PM to 5:00 PM in Boston (9:00 AM to 2:00 PM in Seattle). That's when both cities are inside working hours, 9 AM to 5 PM, giving 5 hours of overlap today.

Who's meeting

2 of 4 places

BostonOrganizerUnited States ·· summer time5:21PMnow
SeattleUnited States ·· summer time2:21PMnow

Add a city

Add up to 4 places by city, country, time zone or abbreviation, like Tokyo, India or JST. Press "/" to jump here.

Date in Boston

Working hours, everywhere

Best times to meet

Saturday, October 17, 2026, in Boston time.

1:00PMBest · OptimalWorking hours in Boston (13:00) and Seattle (10:00).
12:00PMOption 2 · OptimalWorking hours in Boston (12:00) and Seattle (09:00).
2:00PMOption 3 · OptimalWorking hours in Boston (14:00) and Seattle (11:00).

The whole day

Pick any slot in the Fit row, or use the arrow keys there, to make it the meeting time.

Each column is a one-hour slot of the first place's day. The Fit row grades how well the slot suits everyone; each row shows the local time and whether it's working hours there.
Fit
BostonEDT
SeattlePDT
UTC	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03

Working hours (09–17)Just outside (07–09, 17–20)Late evening (20–23)NightFit: optimal, good, possible, poor

Your meeting

Boston1:00 PM EDTSat, Oct 17
Seattle10:00 AM PDTSat, Oct 17
UTC2026-10-17 17:00 UTC

What will it cost? Try the meeting cost calculator.

Time difference between Boston and Seattle

Seattle is 3 hours behind Boston right now: Seattle is on PDT (UTC-7) and Boston on EDT (UTC-4). That changes on Sun, Nov 1, when clocks go back in Boston: then Seattle is 2 hours behind Boston.

Time difference between Boston and Seattle over the next 12 months
From	Difference	Why
Now	Seattle 3 hours behind	—
Sun, Nov 1	Seattle 2 hours behind	Clocks go back in Boston
Sun, Nov 1	Seattle 3 hours behind	Clocks go back in Seattle
Sun, Mar 14, 2027	Seattle 4 hours behind	Clocks go forward in Boston
Sun, Mar 14, 2027	Seattle 3 hours behind	Clocks go forward in Seattle

Boston is on Eastern Standard Time. Seattle is on Pacific Standard Time.

Frequently Asked Questions: Boston & Seattle Scheduling

What is the time difference between Boston and Seattle?: Seattle is 3 hours behind Boston right now: Seattle is on PDT (UTC-7) and Boston on EDT (UTC-4). That changes on Sun, Nov 1, when clocks go back in Boston: then Seattle is 2 hours behind Boston.
What is the best time to schedule a meeting between Boston and Seattle?: 12:00 PM to 5:00 PM in Boston (9:00 AM to 2:00 PM in Seattle). That's when both cities are inside working hours, 9 AM to 5 PM, giving 5 hours of overlap today.
Does Boston observe daylight saving time?: Yes. Boston is on EDT (UTC-4) now, and its clocks go back 1 hour on Sun, Nov 1, to EST (UTC-5).
Does Seattle observe daylight saving time?: Yes. Seattle is on PDT (UTC-7) now, and its clocks go back 1 hour on Sun, Nov 1, to PST (UTC-8).
What time is it in Seattle when it's 9 AM in Boston?: 6:00 AM in Seattle, on the same day.

Or see every city pair, or plan with more places in the meeting planner.