United States
South Korea
Washington D.C. to Seoul Time Difference
Seoul is 13 hours ahead of Washington D.C.
Washington D.C. vs Seoul — At a Glance
Washington D.C. to Seoul — Hour-by-Hour
About Washington D.C. and Seoul
Washington D.C. (population: 0.7M) is known for the U.S. capital, the White House, Congress, and the Smithsonian museums. Seoul (population: 9.7M) is known for Samsung and LG headquarters, K-pop culture, Gangnam, and rapid tech innovation.
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 Washington D.C. (+1) and Seoul (+82), finding a mutually convenient calling time is tricky. Consider scheduling calls in advance rather than calling spontaneously.
Currency
Washington D.C. uses USD while Seoul uses KRW. Check current exchange rates before making payments or transferring funds between the two cities.
Language
Washington D.C. primarily speaks English, while Seoul speaks Korean. For business communication, English is commonly used as a bridge language in international settings.
Use our world clock tool to compare Washington D.C. and Seoul visually, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between Washington D.C. and Seoul?
Seoul, South Korea is 13 hours ahead of Washington D.C., United States. Washington D.C. is in the America/New York timezone (UTC-4) and Seoul is in the Asia/Seoul timezone (UTC+9).
When it's noon in Washington D.C., what time is it in Seoul?
When it's 12:00 PM (noon) in Washington D.C., it's 1:00 AM in Seoul.
What is the best time to call Seoul from Washington D.C.?
The best time to call Seoul from Washington D.C. is during the overlapping business hours. When it's 9 AM in Washington D.C., it's 10:00 PM in Seoul. Aim for late morning to early afternoon in Washington D.C. for the best chance of reaching someone during working hours.
What currency does Seoul use?
Seoul, South Korea uses KRW. Washington D.C. uses USD. You will need to check the current exchange rate for transactions between the two.
What language is spoken in Seoul?
The primary language in Seoul is Korean. English is widely used for international business communication.
How do I dial Seoul from Washington D.C.?
To call Seoul from Washington D.C., dial your international access code followed by +82 and the local number. Washington D.C. uses country code +1 and Seoul uses +82.
