KST to EST Time Converter
Compare KST and EST instantly. The clocks below stay in sync with the IANA time-zone database, so daylight-saving transitions are handled automatically for both Seoul and New York.
24-Hour Comparison Timeline
Green = working hours · Yellow = early/late · Red = night
24-hour reference table
| KST (Seoul) | EST (New York) |
|---|---|
| 12:00 AM | 11:00 AM(Fri, Jul 24) |
| 01:00 AM | 12:00 PM(Fri, Jul 24) |
| 02:00 AM | 01:00 PM(Fri, Jul 24) |
| 03:00 AM | 02:00 PM(Fri, Jul 24) |
| 04:00 AM | 03:00 PM(Fri, Jul 24) |
| 05:00 AM | 04:00 PM(Fri, Jul 24) |
| 06:00 AM | 05:00 PM(Fri, Jul 24) |
| 07:00 AM | 06:00 PM(Fri, Jul 24) |
| 08:00 AM | 07:00 PM(Fri, Jul 24) |
| 09:00 AM | 08:00 PM(Fri, Jul 24) |
| 10:00 AM | 09:00 PM(Fri, Jul 24) |
| 11:00 AM | 10:00 PM(Fri, Jul 24) |
| 12:00 PM | 11:00 PM(Fri, Jul 24) |
| 01:00 PM | 12:00 AM |
| 02:00 PM | 01:00 AM |
| 03:00 PM | 02:00 AM |
| 04:00 PM | 03:00 AM |
| 05:00 PM | 04:00 AM |
| 06:00 PM | 05:00 AM |
| 07:00 PM | 06:00 AM |
| 08:00 PM | 07:00 AM |
| 09:00 PM | 08:00 AM |
| 10:00 PM | 09:00 AM |
| 11:00 PM | 10:00 AM |
Daylight saving time
New York observes daylight saving time; Seoul does not. Expect a one-hour swing when New York starts or ends DST.
Working-hours overlap
Standard 9-to-5 hours in Seoul and New York do not overlap. Use an early or late slot on one side.
Frequently asked questions
What is the time difference between KST and EST?+
EST (UTC-04:00) is currently 13 hours behind KST (UTC+09:00). This page recalculates the offset live from the IANA time-zone database, including any daylight-saving transitions.
Does KST or EST observe daylight saving time?+
New York observes daylight saving time; Seoul does not, so the gap changes when New York springs forward or falls back. Times on this page always reflect the current local rules.
What are the best meeting hours between Seoul and New York?+
Standard 9–5 working hours in Seoul and New York do not overlap. Pick an early or late slot for one side, or use the 24-hour table above to find a time that works.
How do I quickly convert KST to EST?+
Use the live clocks and 24-hour reference table above. Pick any hour on the KST row to see the matching EST time. The Event Planner also lets you pick a specific date and share it with attendees.