New York
Seoul
Convert EST to KST
Eastern Standard Time to Korea Standard Time — Seoul is 13 hours ahead of New York
Quick Facts
Time Difference
+13 hours
EST Full Name
Eastern Standard Time
KST Full Name
Korea Standard Time
EST to KST Conversion Table
Related Conversions
About EST and KST Time Zones
EST (Eastern Standard Time) is UTC-5 and covers cities like New York, Washington D.C., Miami. KST (Korea Standard Time) is UTC+9 and covers cities like Seoul, Busan, Incheon.
When it's 12:00 PM (noon) in New York (EST), it's 1:00 AM in Seoul (KST). The time difference between EST and KST is 13 hours — Seoul is ahead of New York.
With a 14-hour gap, scheduling overlap is very limited. Early morning in New York (6–8 AM) corresponds to evening or late night in Seoul.
Daylight Saving Time
EST observes Daylight Saving Time and becomes EDT (Eastern Daylight Time) during summer months, shifting clocks forward by 1 hour to UTC-4.
During DST transitions, the time difference between EST and KST may shift by ±1 hour. Always verify the current offset above for the most accurate conversion.
Use our world clock tool to compare New York and Seoul with a visual timeline, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between EST and KST?
Seoul (KST) is 13 hours ahead of New York (EST). The offset is +13 hours.
Is KST ahead or behind EST?
KST is 13 hours ahead of EST. EST is UTC-4 and KST is UTC+9.
When it's 12:00 PM in New York, what time is it in Seoul?
When it's 12:00 PM (noon) in New York (EST), it's 1:00 AM in Seoul (KST).
When it's 5:00 PM in New York, what time is it in Seoul?
When it's 5:00 PM in New York (EST), it's 6:00 AM in Seoul (KST).
Does EST change for Daylight Saving Time?
Yes. EST (Eastern Standard Time, UTC-5) becomes EDT (Eastern Daylight Time, UTC-4) in summer, shifting clocks forward 1 hour.