KST to EDT Time Converter
Use this KST to EDT time converter to compare South Korea and US East Coast time instantly. EDT is 13 hours behind KST, so 9:00 AM KST becomes 8:00 PM (previous day) EDT and 5:00 PM KST becomes 4:00 AM EDT. The page is useful for business-hours overlap, international calls, remote-team handoffs, webinars, and travel planning, with daylight saving adjustments handled automatically.
KST to EDT Quick Facts
Use this KST to EDT converter to compare South Korea and US East Coast time, check the 13 hours gap, and confirm the right slot for calls, handoffs, and deadlines. Find the best overlap for calls and meetings.
How to Convert KST to EDT
Converting between Korea Standard Time and Eastern Daylight Time means accounting for a 13 hours gap — here's how to do it in under 10 seconds with no sign-up.
Pick the date and time in Korea Standard Time (UTC +9) that you want to convert. Hit "Now" to load the current KST time instantly, or use "+1h" to step forward and compare.
The equivalent Eastern Daylight Time (UTC -4) time appears immediately. Since EDT is 13 hours behind of KST, conversions often cross midnight — look for the date-change label.
Click "Copy Time" to grab the EDT result for your calendar or message. Use "+1d" to check how the conversion shifts across dates — helpful for scheduling recurring South Korea–United States calls.
Why Choose Our KST to EDT Converter
With 13 hours between KST and EDT, business-hours overlap is limited. This tool instantly shows which hours work on both sides, so you can lock in a meeting without a chain of "does 3 PM work for you?" emails.
A KST evening at 9 PM is already the previous afternoon in EDT. This converter flags date changes beside the result — critical when booking flights, hitting deadlines, or scheduling across the South Korea–United States corridor.
Daylight Saving adjustments can widen or narrow the KST–EDT gap by an hour. During transition weeks many people get it wrong. This converter pulls the current UTC offsets automatically, so the result is right even on the changeover day.
Product launches, sports matches, and webinars are often announced in KST. Convert the event time to EDT so you know exactly when to tune in — with a 13 hours difference, a morning event in South Korea hits the evening in United States.
KST to EDT Time Conversion Chart
Quick-reference conversion table covering every hour of the day at a glance.
Korea Standard Time to Eastern Daylight Time full day schedule
| Korea Standard Time | Eastern Daylight Time |
|---|---|
| 12:00 AM |
11:00 AM
(previous day)
|
| 1:00 AM |
12:00 PM
(previous day)
|
| 2:00 AM |
1:00 PM
(previous day)
|
| 3:00 AM |
2:00 PM
(previous day)
|
| 4:00 AM |
3:00 PM
(previous day)
|
| 5:00 AM |
4:00 PM
(previous day)
|
| 6:00 AM |
5:00 PM
(previous day)
|
| 7:00 AM |
6:00 PM
(previous day)
|
| 8:00 AM |
7:00 PM
(previous day)
|
| 9:00 AM |
8:00 PM
(previous day)
|
| 10:00 AM |
9:00 PM
(previous day)
|
| 11:00 AM |
10:00 PM
(previous day)
|
| 12:00 PM |
11:00 PM
(previous 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
|
Timezone offsets and DST rules verified against the IANA Time Zone Database. Conversion math and business-hour overlap windows double-checked against real-world scheduling scenarios.
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Convert Other Time Zones to EDT
Find the time difference from any major zone into Eastern Daylight Time. Use these pages when scheduling with United States from a different region.