Seattle to Boston Time Difference
🇺🇸 Seattle is currently 3 hours ahead of 🇺🇸 Boston.
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Atin 🇺🇸 Seattle→it will be—in 🇺🇸 Boston
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Difference
+3h
Business overlap
6h
Distance
4,000 km
Approx. flight
4.7h
Hour-by-Hour: Seattle to Boston
| 🇺🇸 Seattle | 🇺🇸 Boston | Note |
|---|---|---|
| 12:00 AM | 3:00 AM | |
| 1:00 AM | 4:00 AM | |
| 2:00 AM | 5:00 AM | |
| 3:00 AM | 6:00 AM | |
| 4:00 AM | 7:00 AM | |
| 5:00 AM | 8:00 AM | |
| 6:00 AM | 9:00 AM | |
| 7:00 AM | 10:00 AM | |
| 8:00 AM | 11:00 AM | |
| 9:00 AM | 12:00 PM | |
| 10:00 AM | 1:00 PM | |
| 11:00 AM | 2:00 PM | |
| 12:00 PM | 3:00 PM | |
| 1:00 PM | 4:00 PM | |
| 2:00 PM | 5:00 PM | |
| 3:00 PM | 6:00 PM | |
| 4:00 PM | 7:00 PM | |
| 5:00 PM | 8:00 PM | |
| 6:00 PM | 9:00 PM | |
| 7:00 PM | 10:00 PM | |
| 8:00 PM | 11:00 PM | |
| 9:00 PM | 12:00 AM(next day) | Next day |
| 10:00 PM | 1:00 AM(next day) | Next day |
| 11:00 PM | 2:00 AM(next day) | Next day |
Daylight Saving Time (DST)
Both Seattle and Boston observe Daylight Saving Time on the same schedule, so the time difference remains constant at 3 hours ahead.
Best Meeting Times
There are 6 overlapping business hours between Seattle and Boston (9 AM – 6 PM in each city).
🇺🇸 Seattle
9:00 AM – 3:00 PM
🇺🇸 Boston
12:00 PM – 6:00 PM
Frequently Asked Questions
What is the time difference between Seattle and Boston?
The time difference between Seattle and Boston is currently 3 hours ahead. Seattle uses PDT (UTC-7), while Boston uses EDT (UTC-4).
When it's noon in Seattle, what time is it in Boston?
When it's 12:00 PM (noon) in Seattle, it is 3:00 PM in Boston. Use our calculator above to convert any other time.
Does the time difference between Seattle and Boston change?
No. The time difference between Seattle and Boston is always 3 hours ahead — neither city observes Daylight Saving Time, so the offset never changes.
What are the best times to schedule a call between Seattle and Boston?
The best time to call is between 9:00 AM and 3:00 PM in Seattle (which is 12:00 PM – 6:00 PM in Boston). This 6-hour window falls within business hours in both cities.
Is Seattle ahead or behind Boston?
Seattle is currently 3 hours behind Boston.
What time zone is Seattle in?
Seattle is in the America/Los Angeles time zone, currently using PDT (UTC-7). Seattle observes Daylight Saving Time, so the offset changes twice a year.
What time is midnight in Seattle in Boston?
When it is midnight (12:00 AM) in Seattle, it is 3:00 AM in Boston.