EST to KST Converter
KST is 14 hours ahead of EST. 9:00 AM EST = 11:00 PM KST.
KST is 14 hours ahead of EST at the moment. To convert EST to KST, add 14 hours to the EST time: 9:00 AM EST = 11:00 PM KST.
EST (Eastern Time) is used in New York, Washington DC, Florida, Georgia, Ohio, Michigan, Ontario, Quebec, Panama and Jamaica (all year). KST (Korea Time) is used in South Korea.
EST to KST time conversion table
EST to KST on 6 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| EST | KST | Day |
|---|---|---|
| 12:00 AM EST | 2:00 PM KST | — |
| 1:00 AM EST | 3:00 PM KST | — |
| 2:00 AM EST | 4:00 PM KST | — |
| 3:00 AM EST | 5:00 PM KST | — |
| 4:00 AM EST | 6:00 PM KST | — |
| 5:00 AM EST | 7:00 PM KST | — |
| 6:00 AM EST | 8:00 PM KST | — |
| 7:00 AM EST | 9:00 PM KST | — |
| 8:00 AM EST | 10:00 PM KST | night |
| 9:00 AM EST | 11:00 PM KST | night |
| 10:00 AM EST | 12:00 AM KST | next day |
| 11:00 AM EST | 1:00 AM KST | next day |
| 12:00 PM EST | 2:00 AM KST | next day |
| 1:00 PM EST | 3:00 AM KST | next day |
| 2:00 PM EST | 4:00 AM KST | next day |
| 3:00 PM EST | 5:00 AM KST | next day |
| 4:00 PM EST | 6:00 AM KST | next day |
| 5:00 PM EST | 7:00 AM KST | next day |
| 6:00 PM EST | 8:00 AM KST | next day |
| 7:00 PM EST | 9:00 AM KST | next day |
| 8:00 PM EST | 10:00 AM KST | next day |
| 9:00 PM EST | 11:00 AM KST | next day |
| 10:00 PM EST | 12:00 PM KST | next day |
| 11:00 PM EST | 1:00 PM KST | next day |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert EST to KST
Add 14 hours to the EST time to get KST.
Example: 9:00 AM EST = 11:00 PM KST.
Across midnight: 10:00 PM EST = 12:00 PM KST (next day). The date changes, so always check the day as well as the hour.
Time difference between EST and KST
The time difference between EST and KST is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:
- 31 Dec 2025 – 7 Mar 2026: KST is 14 hours ahead of EST.
- 8 Mar 2026 – 31 Oct 2026: KST is 13 hours ahead of EST.
- 1 Nov 2026 – 30 Dec 2026: KST is 14 hours ahead of EST.
EST and KST during daylight saving time
- EST next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from EST (UTC−5) to EDT (UTC−4).
- KST does not observe daylight saving time; it stays on UTC+9 all year.
Best time for a meeting between EST and KST
EST and KST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM EST, which is 9:00 PM KST.
EST to KST FAQ
What is the time difference between EST and KST?
Right now KST is 14 hours ahead of EST. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM EST in KST?
9:00 AM EST is 11:00 PM KST.
What is 12 PM (noon) EST in KST?
12:00 PM EST is 2:00 AM KST (next day).
Is KST ahead of or behind EST?
KST is 14 hours ahead of EST, so it is later in KST than in EST.
Does EST change for daylight saving time?
Yes. EST next changes on 14 Mar 2027, when clocks go forward one hour from EST to EDT.
Does KST change for daylight saving time?
No. KST stays on the same offset all year, so conversions never shift for daylight saving time.
What is the best time for a meeting between EST and KST?
EST and KST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM EST, which is 9:00 PM KST.
Is ET the same as EST?
EST is the winter (standard) name of Eastern Time (ET). From March to November the same clocks are called EDT. This converter always uses the one in force on the date you choose.
Related conversions
Convert KST to EST
Convert EST to other time zones
Convert other time zones to KST
EST to KST by hour
Learn more
Updated 6 November 2026. Time zone data: IANA tz database.