Seoul to New York
-13hSeoul
KSTSOURCENew York
ESTGreen rows indicate typical business hours (9 AM - 5 PM)
KST and EST on the World Map
The map below highlights the KST (Korea Standard Time) and EST (Eastern Standard Time) timezone regions across the globe.
KST – Korea Standard Time
UTC+09:00Korea Standard Time (KST) is the time zone for South Korea, 9 hours ahead of UTC.
- •South Korea does not observe daylight saving time.
- •Seoul is home to Samsung, LG, and Hyundai headquarters.
- •KST is the same offset as JST (UTC+09:00).
EST – Eastern Standard Time
UTC-05:00Eastern Standard Time (EST) is the time zone for the eastern United States and Canada, 5 hours behind UTC.
- •EST is the most widely used time zone in the United States by population.
- •The New York Stock Exchange (NYSE) and NASDAQ operate on Eastern Time, opening at 9:30 AM EST.
- •23 US states are fully or partially in the Eastern Time Zone.
- •EST was established by the Standard Time Act of 1918.
- •Over 47% of the US population lives in the Eastern Time Zone.
About Seoul
WikipediaSeoul operates on Korea Standard Time (KST), UTC+9, same as Japan. As a global tech and entertainment hub, Seoul coordinates with East Asian markets.
The Seoul subway system ranks among the most extensive and efficient in the world.
About New York
WikipediaNew York City, the financial capital of the world, operates on Eastern Time (EST/EDT). Home to Wall Street and the NYSE, NYC is crucial for global business coordination.
The NYC subway system has 472 stations, the most of any metro system in the world.
Time Conversion Guide: Seoul to New York
Seoul, South Korea operates on the Korea Standard Time (UTC+09:00). New York, USA uses Eastern Standard Time (UTC-05:00).
The time difference between Seoul and New York is 780 minutes (+13h). When it's noon in Seoul, it's 11:00 PM in New York.
Why Convert Seoul to New York Time?
When planning a meeting or scheduling a call between Seoul and New York, it's crucial to account for the 13-hour time difference. Whether you're coordinating with remote teams, calling family, or setting up an international conference, knowing the exact time in New York helps avoid missed connections.
Pro Tip: If you frequently communicate with people in New York from Seoul, consider adding a dual-clock widget to your phone or computer to keep track of the 13-hour difference at a glance.
About KST (Korea Standard Time)
Korea Standard Time (KST) is the time zone used in South Korea. It shares the same UTC offset as Japan Standard Time but is a distinct time zone. South Korea does not observe daylight saving time. Seoul, the capital, is a major global tech and business hub.
About EST (Eastern Standard Time)
Eastern Standard Time (EST) is observed during the winter months in the eastern part of North America. It covers 23 US states and parts of Canada including Ontario and Quebec. EST is the most populous time zone in the United States, home to major financial centers like New York City and global organizations headquartered in Washington D.C. During daylight saving time (March–November), clocks shift to Eastern Daylight Time (EDT, UTC-04:00). The time zone also covers parts of the Caribbean and Central America including Panama, Jamaica, and the Cayman Islands.
Best Time to Call Between Seoul and New York
If you want to reach someone in New York during standard business hours (9 AM – 5 PM EST), the best time to call from Seoul would be:
- New York 9:00 AM = Seoul 10:00 PM
- New York 12:00 PM = Seoul 01:00 AM
- New York 5:00 PM = Seoul 06:00 AM
Business Hours Overlap
Seoul and New York have minimal business hours overlap due to the +13h time difference. Teams may need to schedule early morning or late evening meetings for real-time collaboration.
In summary, the -13h time difference between Seoul and New York means you need to plan carefully. Use this page as your go-to reference for quick and accurate time conversions.
🕐 Daylight Saving Time Info
Seoul
Does not observe DST
New York
☀ Currently in DST
Standard: UTC-05:00 · DST: UTC-04:00
Clocks fall back on Sun, Nov 1, 2026
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between Seoul and New York?
New York is -13h from Seoul.
What timezone is Seoul in?
Seoul operates on Korea Standard Time (KST), UTC+9, same as Japan. As a global tech and entertainment hub, Seoul coordinates with East Asian markets.
What timezone is New York in?
New York City, the financial capital of the world, operates on Eastern Time (EST/EDT). Home to Wall Street and the NYSE, NYC is crucial for global business coordination.
What are the business hours in Seoul?
Standard business hours in Seoul are 9:00 AM - 6:00 PM KST.
What are the business hours in New York?
Standard business hours in New York are 9:00 AM - 5:00 PM EST.
What is the best time to schedule a call between Seoul and New York?
The best overlap for a call is when both cities are in business hours. Seoul works 9:00 AM - 6:00 PM KST and New York works 9:00 AM - 5:00 PM EST (-13h difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Seoul and New York?
Seoul uses KRW (₩) while New York uses USD ($). Check current exchange rates when planning travel or business between these cities.
How do Seoul and New York compare in size?
Seoul has a population of approximately 9.7 million (metro: 25.5 million), while New York has approximately 8.3 million (metro: 20.1 million).
What are the major landmarks in Seoul and New York?
Seoul is known for Gyeongbokgung Palace, N Seoul Tower, Bukchon Hanok Village. New York is famous for Statue of Liberty, Empire State Building, Times Square.
Do Seoul and New York have stock exchanges?
Yes. Seoul has the KRX (Korea Exchange) and New York has the NYSE (New York Stock Exchange). The -13h time difference affects trading hour overlaps between these exchanges.
Which countries use KST (Korea Standard Time)?
KST is used in South Korea, North Korea.
Does KST observe daylight saving time?
No, KST does not observe daylight saving time and remains at UTC+09:00 year-round.
What are some interesting facts about KST?
South Korea does not observe daylight saving time. Seoul is home to Samsung, LG, and Hyundai headquarters.
Which cities are in the EST timezone?
Major cities in the EST timezone include New York City, Washington D.C., Miami, Toronto, Philadelphia, Atlanta, Boston, Montreal.
What is the UTC offset for EST?
Eastern Standard Time (EST) is at UTC-05:00. During daylight saving time, it shifts to EDT.
What should I know about the EST timezone?
EST is the most widely used time zone in the United States by population. The New York Stock Exchange (NYSE) and NASDAQ operate on Eastern Time, opening at 9:30 AM EST.
When is it midnight in Seoul, what time is it in New York?
When it is 12:00 AM (midnight) in Seoul (KST), it is -13h later in New York (EST).
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