KST to EST Time Converter

Convert Korea Standard Time (KST) to Eastern Standard Time (EST). Both time zones are shown live below; current offset between them is 13 hours behind.

Seoul · Korea Standard Time
05:55:28
Monday, May 11, 2026
GMT+9 · UTC+09:00
New York · Eastern Standard Time
16:55:28
Sunday, May 10, 2026
EDT · UTC-04:00

Convert a specific time

From: KST (Seoul)
To: EST (New York)
--:--

Daylight Saving status right now

KST (Korea Standard Time)
Observes DST
No
EST (Eastern Standard Time)
Observes DST
Yes
In DST right now
Yes
Next fall back
2026-11-01
Offset shift
UTC-04:00 → UTC-05:00

Heads up: EST observes DST while KST does not. The 13-hour difference shown above will shift by one hour when EST starts or ends DST.

When can KST and EST meet?

00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
KST
EST
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Seoul (KST). Each row shows the local working-hours state in that zone for the same moment in time.
No business-hours overlap exists between KST and EST.
The two zones are too far apart for synchronous meetings during normal working hours. Plan async or schedule outside 9-5 on at least one side.

Hour-by-hour KST to EST conversion table

KST time (Seoul)EST time (New York)Status
00:00 Mon11:00 SunEST working
01:00 Mon12:00 SunEST working
02:00 Mon13:00 SunEST working
03:00 Mon14:00 SunEST working
04:00 Mon15:00 SunEST working
05:00 Mon16:00 SunEST working
06:00 Mon17:00 SunOff-hours both sides
07:00 Mon18:00 SunOff-hours both sides
08:00 Mon19:00 SunOff-hours both sides
09:00 Mon20:00 SunKST working
10:00 Mon21:00 SunKST working
11:00 Mon22:00 SunKST working
12:00 Mon23:00 SunKST working
13:00 Mon00:00 MonKST working
14:00 Mon01:00 MonKST working
15:00 Mon02:00 MonKST working
16:00 Mon03:00 MonKST working
17:00 Mon04:00 MonOff-hours both sides
18:00 Mon05:00 MonOff-hours both sides
19:00 Mon06:00 MonOff-hours both sides
20:00 Mon07:00 MonOff-hours both sides
21:00 Mon08:00 MonOff-hours both sides
22:00 Mon09:00 MonEST working
23:00 Mon10:00 MonEST working

Times computed for today in each zone using the IANA time zone database. The conversion accounts for daylight saving time wherever applicable.

About these time zones

Korea Standard Time (KST)
IANA identifier
Asia/Seoul
Current UTC offset
UTC+09:00
Current abbreviation
GMT+9
Major cities in this zone
SeoulBusan
Eastern Standard Time (EST)
IANA identifier
America/New_York
Current UTC offset
UTC-04:00
Current abbreviation
EDT
Major cities in this zone
New YorkMiamiAtlantaBostonPhiladelphia

Sun today in Seoul and New York

Seoul
Sunrise
05:28
Sunset
19:31
Solar noon
12:29
Daylight
14h 3m
New York
Sunrise
05:45
Sunset
20:02
Solar noon
12:53
Daylight
14h 16m

Related converters

EST to KST (reverse)KST to PSTKST to GMTKST to UTCKST to CETKST to ISTPST to ESTGMT to ESTUTC to ESTCET to ESTIST to EST
Looking for local time? See time in Seoul or time in New York.

Frequently asked questions

What is the time difference between KST and EST right now?+
EST (Eastern Standard Time) is currently 13 hours behind KST (Korea Standard Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does KST or EST observe daylight saving time?+
KST: does not observe daylight saving time. EST: observes daylight saving time.
When is the best time to schedule a meeting between KST and EST?+
KST and EST have no business-hour overlap, even at the edges of a typical workday. Async collaboration or non-9-5 scheduling is the practical choice.
What time is it in New York when it is 12:00 noon in Seoul?+
When it is 12:00 Mon in Seoul (KST), it is 23:00 Sun in New York (EST).
Which IANA time zone identifiers are used for KST and EST?+
KST maps to "Asia/Seoul" in the IANA database. EST maps to "America/New_York". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Seoul ahead of or behind New York?+
Whether Seoul (KST) is ahead of or behind New York (EST) depends on the current UTC offsets. Right now EST is 13 hours behind KST. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for KST and EST?+
KST is UTC+09:00 (GMT+9) and EST is UTC-04:00 (EDT). Both offsets shift by one hour when the corresponding region enters or exits daylight saving time, so the live values on this page are the source of truth.
Can I schedule meetings during business hours for both KST and EST?+
No standard business-hours overlap exists between KST and EST. Plan asynchronous work or schedule outside 9-5 on at least one side.