New York to Seoul
+13hNew York
ESTSOURCESeoul
KSTGreen rows indicate typical business hours (9 AM - 5 PM)
EST and KST on the World Map
The map below highlights the EST (Eastern Standard Time) and KST (Korea Standard Time) timezone regions across the globe.
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.
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).
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.
New York City has more than 800 languages spoken, making it the most linguistically diverse city in the world.
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.
Time Conversion Guide: New York to Seoul
New York, USA operates on the Eastern Standard Time (UTC-05:00). Seoul, South Korea uses Korea Standard Time (UTC+09:00).
The time difference between New York and Seoul is 780 minutes (+13h). When it's noon in New York, it's 01:00 AM in Seoul.
Why Convert New York to Seoul Time?
The time difference of 13 hours between New York and Seoul can significantly impact business operations and personal communication. By using this converter, you can easily find the overlapping business hours and schedule your interactions when both parties are available.
Tip: When scheduling a meeting, always confirm the time zone with your counterpart in Seoul. The 13-hour difference can easily lead to confusion if not explicitly stated.
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.
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.
Best Time to Call Between New York and Seoul
If you want to reach someone in Seoul during standard business hours (9 AM – 5 PM KST), the best time to call from New York would be:
- Seoul 9:00 AM = New York 08:00 PM
- Seoul 12:00 PM = New York 11:00 PM
- Seoul 5:00 PM = New York 04:00 AM
Business Hours Overlap
New York and Seoul 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.
Ultimately, understanding the +13h difference between New York and Seoul empowers you to coordinate better. Whether for business or personal reasons, this tool ensures you're always on time.
🕐 Daylight Saving Time Info
New York
☀ Currently in DST
Standard: UTC-05:00 · DST: UTC-04:00
Clocks fall back on Sun, Nov 1, 2026
Seoul
Does not observe DST
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 New York and Seoul?
Seoul is +13h from New York.
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 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 are the business hours in New York?
Standard business hours in New York are 9:00 AM - 5:00 PM EST.
What are the business hours in Seoul?
Standard business hours in Seoul are 9:00 AM - 6:00 PM KST.
What is the best time to schedule a call between New York and Seoul?
The best overlap for a call is when both cities are in business hours. New York works 9:00 AM - 5:00 PM EST and Seoul works 9:00 AM - 6:00 PM KST (+13h difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in New York and Seoul?
New York uses USD ($) while Seoul uses KRW (₩). Check current exchange rates when planning travel or business between these cities.
How do New York and Seoul compare in size?
New York has a population of approximately 8.3 million (metro: 20.1 million), while Seoul has approximately 9.7 million (metro: 25.5 million).
What are the major landmarks in New York and Seoul?
New York is known for Statue of Liberty, Empire State Building, Times Square. Seoul is famous for Gyeongbokgung Palace, N Seoul Tower, Bukchon Hanok Village.
Do New York and Seoul have stock exchanges?
Yes. New York has the NYSE (New York Stock Exchange) and Seoul has the KRX (Korea Exchange). The +13h time difference affects trading hour overlaps between these exchanges.
Which countries use EST (Eastern Standard Time)?
EST is used in United States (Eastern), Canada (Ontario, Quebec), Mexico (Quintana Roo), Panama, Jamaica, Cayman Islands, and 6 more countries.
Does EST observe daylight saving time?
Yes, EST switches to EDT during summer months.
What are some interesting facts about EST?
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.
Which cities are in the KST timezone?
Major cities in the KST timezone include Seoul, Busan, Incheon, Daegu, Daejeon, Pyongyang.
What is the UTC offset for KST?
Korea Standard Time (KST) is at UTC+09:00.
What should I know about the KST timezone?
South Korea does not observe daylight saving time. Seoul is home to Samsung, LG, and Hyundai headquarters.
When is it midnight in New York, what time is it in Seoul?
When it is 12:00 AM (midnight) in New York (EST), it is +13h later in Seoul (KST).
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