EST to KST
Converting a fixed time. America/New_York → Asia/Seoul
Clocks go back 1 hour on Sunday, 1st November 2026, at 1:59 am local time (1:00 am after the change).
Clocks here do not change — this zone stays on the same offset all year.
Convert a specific time minutes work, not just whole hours
Hour by hour
| EST | KST | 24h | Good to call? |
|---|---|---|---|
| 12am | 1pm | 00:00 → 13:00 | asleep in EST |
| 1am | 2pm | 01:00 → 14:00 | asleep in EST |
| 2am | 3pm | 02:00 → 15:00 | asleep in EST |
| 3am | 4pm | 03:00 → 16:00 | asleep in EST |
| 4am | 5pm | 04:00 → 17:00 | asleep in EST |
| 5am | 6pm | 05:00 → 18:00 | asleep in EST |
| 6am | 7pm | 06:00 → 19:00 | asleep in EST |
| 7am | 8pm | 07:00 → 20:00 | awake, not at work |
| 8am | 9pm | 08:00 → 21:00 | awake, not at work |
| 9am | 10pm | 09:00 → 22:00 | asleep in KST |
| 10am | 11pm | 10:00 → 23:00 | asleep in KST |
| 11am | 12am Fri | 11:00 → 00:00 | asleep in KST |
| 12pm | 1am Fri | 12:00 → 01:00 | asleep in KST |
| 1pm | 2am Fri | 13:00 → 02:00 | asleep in KST |
| 2pm | 3am Fri | 14:00 → 03:00 | asleep in KST |
| 3pm now | 4am Fri | 15:00 → 04:00 | asleep in KST |
| 4pm | 5am Fri | 16:00 → 05:00 | asleep in KST |
| 5pm | 6am Fri | 17:00 → 06:00 | asleep in KST |
| 6pm | 7am Fri | 18:00 → 07:00 | awake, not at work |
| 7pm | 8am Fri | 19:00 → 08:00 | awake, not at work |
| 8pm | 9am Fri | 20:00 → 09:00 | awake, not at work |
| 9pm | 10am Fri | 21:00 → 10:00 | awake, not at work |
| 10pm | 11am Fri | 22:00 → 11:00 | asleep in EST |
| 11pm | 12pm Fri | 23:00 → 12:00 | asleep in EST |
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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Questions people ask
What time is it in KST when it is 11:00 pm in EST?
12:00 pm in KST the next day.
How many hours ahead is KST of EST?
KST is 13 hours ahead EST. 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 EST and KST?
There is no hour when both places are inside normal working hours. The least bad slot is usually early morning at the western end.
When does the difference between EST and KST change?
EST: Clocks go back 1 hour on Sunday, 1st November 2026, at 1:59 am local time (1:00 am after the change). KST does not change its clocks, so the gap shifts by an hour on that date.