KST to EST
Live, right now. Asia/Seoul → America/New_York
12:36 pm in KST is
11:36 pm in EST, the previous day.
12:36 → 23:36 on a 24-hour clock ·
KST → EDT
KST now
12:36pm
KST · UTC+9
Asia/Seoul
Clocks here do not change — this zone stays on the same offset all year.
EST now
11:36pm
EDT · UTC-4
America/New_York
Clocks go back 1 hour on Sunday, 1st November 2026, at 1:59 am local time (1:00 am after the change).
Convert a specific time minutes work, not just whole hours
Hour by hour
| KST | EST | 24h | Good to call? |
|---|---|---|---|
| 12am | 11am Wed | 00:00 → 11:00 | asleep in KST |
| 1am | 12pm Wed | 01:00 → 12:00 | asleep in KST |
| 2am | 1pm Wed | 02:00 → 13:00 | asleep in KST |
| 3am | 2pm Wed | 03:00 → 14:00 | asleep in KST |
| 4am | 3pm Wed | 04:00 → 15:00 | asleep in KST |
| 5am | 4pm Wed | 05:00 → 16:00 | asleep in KST |
| 6am | 5pm Wed | 06:00 → 17:00 | asleep in KST |
| 7am | 6pm Wed | 07:00 → 18:00 | awake, not at work |
| 8am | 7pm Wed | 08:00 → 19:00 | awake, not at work |
| 9am | 8pm Wed | 09:00 → 20:00 | awake, not at work |
| 10am | 9pm Wed | 10:00 → 21:00 | awake, not at work |
| 11am | 10pm Wed | 11:00 → 22:00 | asleep in EST |
| 12pm now | 11pm Wed | 12:00 → 23:00 | asleep in EST |
| 1pm | 12am | 13:00 → 00:00 | asleep in EST |
| 2pm | 1am | 14:00 → 01:00 | asleep in EST |
| 3pm | 2am | 15:00 → 02:00 | asleep in EST |
| 4pm | 3am | 16:00 → 03:00 | asleep in EST |
| 5pm | 4am | 17:00 → 04:00 | asleep in EST |
| 6pm | 5am | 18:00 → 05:00 | asleep in EST |
| 7pm | 6am | 19:00 → 06:00 | asleep in EST |
| 8pm | 7am | 20:00 → 07:00 | awake, not at work |
| 9pm | 8am | 21:00 → 08:00 | awake, not at work |
| 10pm | 9am | 22:00 → 09:00 | asleep in KST |
| 11pm | 10am | 23:00 → 10:00 | asleep in KST |
Call times
There is no hour when both places are inside normal working hours. The least bad slot is usually early morning at the western end.
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both at work
work hours here
awake
asleep
Questions people ask
What time is it in EST when it is 12:36 pm in KST?
11:36 pm in EST the previous day.
How many hours ahead is EST of KST?
EST is 13 hours behind KST. That gap is not fixed: it changes when either place starts or ends daylight saving. The table on this page is recalculated for today, so it is already correct for the current season.
What is the best time to call between KST and EST?
There is no hour when both places are inside normal working hours. The least bad slot is usually early morning at the western end.