United States
United States
Boston to Seattle Time Difference
Seattle is 3 hours behind Boston
Boston vs Seattle — At a Glance
Boston to Seattle — Hour-by-Hour
About Boston and Seattle
Boston (population: 0.68M) is known for Harvard, MIT, biotech industry, and American history. Seattle (population: 0.74M) is known for Amazon, Microsoft, Boeing, coffee culture, and the Pacific Northwest.
Business Hours Overlap
Both Boston and Seattle are major tech hubs with overlapping work hours, making real-time collaboration between engineering teams straightforward.
Calling Between Cities
To call Seattle (+1) from Boston (+1), aim for late morning or early afternoon in Boston — that corresponds to morning hours in Seattle when people are usually available.
Currency
Both Boston and Seattle use the same currency (USD), so there's no exchange rate to worry about for business transactions.
Language
Boston and Seattle share English as a common language, which simplifies business communication.
Use our world clock tool to compare Boston and Seattle visually, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between Boston and Seattle?
Seattle, United States is 3 hours behind Boston, United States. Boston is in the America/New York timezone (UTC-4) and Seattle is in the America/Los Angeles timezone (UTC-7).
When it's noon in Boston, what time is it in Seattle?
When it's 12:00 PM (noon) in Boston, it's 9:00 AM in Seattle.
What is the best time to call Seattle from Boston?
With only a 3-hour difference, you can comfortably call Seattle anytime during standard business hours (9 AM–6 PM Boston time).
What currency does Seattle use?
Seattle, United States uses USD. Boston uses USD. Both cities share the same currency.
What language is spoken in Seattle?
The primary language in Seattle is English. Boston also speaks English, making communication easier.
How do I dial Seattle from Boston?
To call Seattle from Boston, dial your international access code followed by +1 and the local number. Both cities share the country code +1.
