KST to EST Converter
EST is 13 hours behind KST for most of the year. The gap changes for a few weeks a year because the two places switch to daylight saving time on different dates.
EST to KST insteadTime difference between KST and EST
EST is 13 hours behind KST for most of the year.
- 2026: EST is 14 hours behind KST from Jan 1 – Mar 7, 2026, Nov 1 – Dec 31, 2026.
- 2027: EST is 14 hours behind KST from Jan 1 – Mar 13, 2027, Nov 7 – Dec 31, 2027.
KST to EST conversion table
| KST | ESTMost of the year | ESTJan 1 – Mar 7, 2026, Nov 1 – Dec 31, 2026 |
|---|---|---|
| 12 AM | 11 AM−1 day | 10 AM−1 day |
| 1 AM | 12 PM−1 day | 11 AM−1 day |
| 2 AM | 1 PM−1 day | 12 PM−1 day |
| 3 AM | 2 PM−1 day | 1 PM−1 day |
| 4 AM | 3 PM−1 day | 2 PM−1 day |
| 5 AM | 4 PM−1 day | 3 PM−1 day |
| 6 AM | 5 PM−1 day | 4 PM−1 day |
| 7 AM | 6 PM−1 day | 5 PM−1 day |
| 8 AM | 7 PM−1 day | 6 PM−1 day |
| 9 AM | 8 PM−1 day | 7 PM−1 day |
| 10 AM | 9 PM−1 day | 8 PM−1 day |
| 11 AM | 10 PM−1 day | 9 PM−1 day |
| 12 PM | 11 PM−1 day | 10 PM−1 day |
| 1 PM | 12 AM | 11 PM−1 day |
| 2 PM | 1 AM | 12 AM |
| 3 PM | 2 AM | 1 AM |
| 4 PM | 3 AM | 2 AM |
| 5 PM | 4 AM | 3 AM |
| 6 PM | 5 AM | 4 AM |
| 7 PM | 6 AM | 5 AM |
| 8 PM | 7 AM | 6 AM |
| 9 PM | 8 AM | 7 AM |
| 10 PM | 9 AM | 8 AM |
| 11 PM | 10 AM | 9 AM |
Best time to meet
A regular 9 AM – 5 PM day doesn't overlap. If one side starts early or stays late (7 AM – 9 PM), you can meet 8 PM – 9 PM KST (7 AM – 8 AM EST).
Frequently asked questions
What time is it in EST when it's 9 AM in KST?
8 PM the previous day for most of the year. EST is 13 hours behind KST.
How many hours is EST behind KST?
Usually 13 hours. The gap changes for a few weeks a year because daylight saving time starts and ends on different dates: 2026: EST is 14 hours behind KST from Jan 1 – Mar 7, 2026, Nov 1 – Dec 31, 2026. 2027: EST is 14 hours behind KST from Jan 1 – Mar 13, 2027, Nov 7 – Dec 31, 2027.
Does KST use daylight saving time?
No. Korea Standard Time stays at UTC+9 all year.
Does EST use daylight saving time?
Yes. Eastern Time is UTC−5 (EST) in January and UTC−4 (EDT) in July. Mar 8, 2026: clocks go forward to UTC−4; Nov 1, 2026: clocks go back to UTC−5.
When is the best time to schedule a meeting between KST and EST?
A regular 9 AM – 5 PM day doesn't overlap. If one side starts early or stays late (7 AM – 9 PM), you can meet 8 PM – 9 PM KST (7 AM – 8 AM EST).