South Korea
United States
Seoul to Washington D.C. Time Difference
Washington D.C. is 13 hours behind Seoul
Seoul vs Washington D.C. — At a Glance
Seoul to Washington D.C. — Hour-by-Hour
About Seoul and Washington D.C.
Seoul (population: 9.7M) is known for Samsung and LG headquarters, K-pop culture, Gangnam, and rapid tech innovation. Washington D.C. (population: 0.7M) is known for the U.S. capital, the White House, Congress, and the Smithsonian museums.
Business Hours Overlap
Washington D.C. is a national capital, so official government hours (typically 9 AM–5 PM) are the primary window for diplomatic and administrative communication with Seoul.
Calling Between Cities
With 13 hours between Seoul (+82) and Washington D.C. (+1), finding a mutually convenient calling time is tricky. Consider scheduling calls in advance rather than calling spontaneously.
Currency
Seoul uses KRW while Washington D.C. uses USD. Check current exchange rates before making payments or transferring funds between the two cities.
Language
Seoul primarily speaks Korean, while Washington D.C. 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 Washington D.C. visually, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between Seoul and Washington D.C.?
Washington D.C., United States is 13 hours behind Seoul, South Korea. Seoul is in the Asia/Seoul timezone (UTC+9) and Washington D.C. is in the America/New York timezone (UTC-4).
When it's noon in Seoul, what time is it in Washington D.C.?
When it's 12:00 PM (noon) in Seoul, it's 11:00 PM in Washington D.C..
What is the best time to call Washington D.C. from Seoul?
The best time to call Washington D.C. from Seoul is during the overlapping business hours. When it's 9 AM in Seoul, it's 8:00 PM in Washington D.C.. Aim for late morning to early afternoon in Seoul for the best chance of reaching someone during working hours.
What currency does Washington D.C. use?
Washington D.C., 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 Washington D.C.?
The primary language in Washington D.C. is English. English is widely used for international business communication.
How do I dial Washington D.C. from Seoul?
To call Washington D.C. from Seoul, dial your international access code followed by +1 and the local number. Seoul uses country code +82 and Washington D.C. uses +1.
