South Korea
United States
Seoul to Seattle Time Difference
Seattle is 16 hours behind Seoul
Seoul vs Seattle — At a Glance
Seoul to Seattle — Hour-by-Hour
About Seoul and Seattle
Seoul (population: 9.7M) is known for Samsung and LG headquarters, K-pop culture, Gangnam, and rapid tech innovation. Seattle (population: 0.74M) is known for Amazon, Microsoft, Boeing, coffee culture, and the Pacific Northwest.
Business Hours Overlap
Seoul and Seattle are both prominent tech cities. Remote engineering teams often use asynchronous workflows due to the 16-hour gap, with code handoffs during the overlap window.
Calling Between Cities
With 16 hours between Seoul (+82) and Seattle (+1), finding a mutually convenient calling time is tricky. Consider scheduling calls in advance rather than calling spontaneously.
Currency
Seoul uses KRW while Seattle uses USD. Check current exchange rates before making payments or transferring funds between the two cities.
Language
Seoul primarily speaks Korean, while Seattle speaks English. For business communication, English is commonly used as a bridge language in international settings.
Use our world clock tool to compare Seoul and Seattle visually, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between Seoul and Seattle?
Seattle, United States is 16 hours behind Seoul, South Korea. Seoul is in the Asia/Seoul timezone (UTC+9) and Seattle is in the America/Los Angeles timezone (UTC-7).
When it's noon in Seoul, what time is it in Seattle?
When it's 12:00 PM (noon) in Seoul, it's 8:00 PM in Seattle.
What is the best time to call Seattle from Seoul?
The best time to call Seattle from Seoul is during the overlapping business hours. When it's 9 AM in Seoul, it's 5:00 PM in Seattle. Aim for late morning to early afternoon in Seoul for the best chance of reaching someone during working hours.
What currency does Seattle use?
Seattle, United States uses USD. Seoul uses KRW. You will need to check the current exchange rate for transactions between the two.
What language is spoken in Seattle?
The primary language in Seattle is English. English is widely used for international business communication.
How do I dial Seattle from Seoul?
To call Seattle from Seoul, dial your international access code followed by +1 and the local number. Seoul uses country code +82 and Seattle uses +1.
