KST to EST Time Converter
Convert Korea Standard Time to Eastern Time instantly.
Scroll the timeline to check any hour of the day.
Korea Standard Time
KST
5:23
Eastern Time
EST
4:23
KST is on standard time (KST), while EST is on daylight savings (EDT) right now.
Search any city, build a custom world clock, and plan across more time zones and options in the FlutterTime app. Free.
How the KST to EST time difference works
EST is 13 hours behind KST. Korea Standard Time (KST) is the time zone of South Korea. Eastern Time (EST) is the time zone of the US East Coast. For example, 9:00 AM KST is 8:00 PM EST. Scroll the timeline above to convert any moment, or use the chart below for a quick reference.
Time difference
13 hours
Daylight saving
EST only
KST offset
UTC+9
EST offset
UTC-5
KST to EST conversion chart
| Korea Standard Time (KST) | Eastern Time (EST) |
|---|---|
| 12:00 AM | 11:00 AM -1 day |
| 1:00 AM | 12:00 PM -1 day |
| 2:00 AM | 1:00 PM -1 day |
| 3:00 AM | 2:00 PM -1 day |
| 4:00 AM | 3:00 PM -1 day |
| 5:00 AM | 4:00 PM -1 day |
| 6:00 AM | 5:00 PM -1 day |
| 7:00 AM | 6:00 PM -1 day |
| 8:00 AM | 7:00 PM -1 day |
| 9:00 AM | 8:00 PM -1 day |
| 10:00 AM | 9:00 PM -1 day |
| 11:00 AM | 10:00 PM -1 day |
| 12:00 PM | 11:00 PM -1 day |
| 1:00 PM | 12:00 AM |
| 2:00 PM | 1:00 AM |
| 3:00 PM | 2:00 AM |
| 4:00 PM | 3:00 AM |
| 5:00 PM | 4:00 AM |
| 6:00 PM | 5:00 AM |
| 7:00 PM | 6:00 AM |
| 8:00 PM | 7:00 AM |
| 9:00 PM | 8:00 AM |
| 10:00 PM | 9:00 AM |
| 11:00 PM | 10:00 AM |
Cities in each time zone
Korea Standard Time (KST)
SeoulBusanIncheonDaeguDaejeon
Eastern Time (EST)
New YorkWashington D.C.AtlantaMiamiBostonPhiladelphia
KST to EST questions
Is EST ahead of or behind KST?
EST is 13 hours behind KST. So 9:00 AM KST is 8:00 PM EST, and 5:00 PM KST is 4:00 AM EST.
What time is it in EST when it is 12:00 PM KST?
When it is 12:00 PM (noon) KST in Korea Standard Time, it is 11:00 PM EST in Eastern Time.
How many hours difference is there between KST and EST?
There is a 13 hours difference. Eastern Time (EST) runs 13 hours behind Korea Standard Time (KST).
Do KST and EST observe daylight saving time?
Eastern Time observes daylight saving time but Korea Standard Time does not, so the difference between them changes by an hour twice a year.
What is the best time to schedule a meeting between KST and EST?
A standard 9-to-5 workday in Korea Standard Time and Eastern Time does not overlap, so pick the early morning in the later zone or the late evening in the earlier zone.
Which cities use KST and EST?
Korea Standard Time (KST) covers cities such as Seoul, Busan, Incheon, Daegu, Daejeon. Eastern Time (EST) covers cities such as New York, Washington D.C., Atlanta, Miami, Boston, Philadelphia.