Seoul New YorkKST to EST Time Converter
Seoul (KST, UTC+9) is currently 14 hours ahead of New York (EST, UTC−5). Compare live clocks, convert any hour, and find times to meet.
Quick answer
When it's in Seoul, it's the previous day in New York.
Seoul (KST) runs 14 hours ahead of New York (EST). A 9-to-5 workday on one side lands in the other side's evening or night, so the two cities share almost no normal working hours — edge-of-day calls are the trick.
- Time difference
- −14h 00m
- KST
- UTC+9
- EST
- UTC−5
- Best call window
- Outside 9–6
KST to EST conversion table
The next 12 hours in KST and the matching local time in EST. The current hour is highlighted; drag the converter's slider and the table follows.
| KST | EST |
|---|---|
| NOW Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Best time to meet between KST & EST
Working hours are 9am–6pm in each city. The bright band is where they overlap — when both sides are at their desks.
Daylight saving shifts this gap by up to 1 hour
The difference between KST and EST swings between 14 and 13 hours across the year as each side starts or ends daylight saving. Regions on EST switch to EDT (UTC−4) during daylight saving time. This page always shows the live, DST-aware difference.
Related time zone conversions
Jump straight to another pair — every combination is a live tool, not an article.
From KST
To EST
One source of truth — for you and your AI
This page exposes the same answer as structured data, so when you ask an assistant "what's 9am KST time in EST?", it can cite the exact, DST-aware result — not a stale blog post.
- Schema.org JSON-LD on every converter page
- A machine-readable facts island with IANA zones and every possible offset
- Live times in <time datetime> elements with explicit UTC offsets
{
"pair": "KST → EST",
"url": "https://worldclock.pro/en/convert/kst-to-est",
"from": {
"name": "KST",
"type": "timezone",
"abbreviation": "KST",
"daylightAbbreviation": null,
"iana": "Asia/Seoul",
"standardUtcOffset": "+09:00",
"daylightUtcOffset": null,
"referenceCity": "Seoul"
},
"to": {
"name": "EST",
"type": "timezone",
"abbreviation": "EST",
"daylightAbbreviation": "EDT",
"iana": "America/New_York",
"standardUtcOffset": "-05:00",
"daylightUtcOffset": "-04:00",
"referenceCity": "New York"
},
"currentDifferenceMinutes": -840,
"possibleDifferencesMinutes": [
-840,
-780
],
"note": "Between the regions that use these zones the difference is 14 and 13 hours across the year, depending on daylight saving on each side. The clocks on this page show the named zones themselves, which are fixed."
}
Frequently asked questions
What is the time difference between KST and EST?
KST is currently 14 hours ahead of EST. KST is on KST (UTC+9) and EST is on EST (UTC−5). The difference can change when either side starts or ends daylight saving time.
Is EST ahead of or behind KST?
EST is currently 14 hours behind KST.
When it is 9:00 AM in KST, what time is it in EST?
When it is 9:00 AM on a Monday in KST, it is 7:00 PM the previous day in EST.
Do KST and EST observe daylight saving time?
KST does not observe daylight saving time. Regions on EST switch to EDT (UTC−4) during daylight saving time.
How do I convert KST time to EST time?
Subtract 14 hours from any time in KST to get the time in EST. This page's converter and 24-hour table do it automatically and stay correct through daylight-saving changes.
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