EST to KST Time Converter

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

New York · Eastern Standard Time
16:55:24
Sunday, May 10, 2026
EDT · UTC-04:00
Seoul · Korea Standard Time
05:55:24
Monday, May 11, 2026
GMT+9 · UTC+09:00

Convert a specific time

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

Daylight Saving status right now

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
KST (Korea Standard Time)
Observes DST
No

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 EST and KST 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
EST
KST
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in New York (EST). Each row shows the local working-hours state in that zone for the same moment in time.
No business-hours overlap exists between EST and KST.
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 EST to KST conversion table

EST time (New York)KST time (Seoul)Status
00:00 Sun13:00 SunKST working
01:00 Sun14:00 SunKST working
02:00 Sun15:00 SunKST working
03:00 Sun16:00 SunKST working
04:00 Sun17:00 SunOff-hours both sides
05:00 Sun18:00 SunOff-hours both sides
06:00 Sun19:00 SunOff-hours both sides
07:00 Sun20:00 SunOff-hours both sides
08:00 Sun21:00 SunOff-hours both sides
09:00 Sun22:00 SunEST working
10:00 Sun23:00 SunEST working
11:00 Sun00:00 MonEST working
12:00 Sun01:00 MonEST working
13:00 Sun02:00 MonEST working
14:00 Sun03:00 MonEST working
15:00 Sun04:00 MonEST working
16:00 Sun05:00 MonEST working
17:00 Sun06:00 MonOff-hours both sides
18:00 Sun07:00 MonOff-hours both sides
19:00 Sun08:00 MonOff-hours both sides
20:00 Sun09:00 MonKST working
21:00 Sun10:00 MonKST working
22:00 Sun11:00 MonKST working
23:00 Sun12:00 MonKST 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

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
Korea Standard Time (KST)
IANA identifier
Asia/Seoul
Current UTC offset
UTC+09:00
Current abbreviation
GMT+9
Major cities in this zone
SeoulBusan

Sun today in New York and Seoul

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

Related converters

KST to EST (reverse)EST to PSTEST to GMTEST to UTCEST to CETEST to ISTPST to KSTGMT to KSTUTC to KSTCET to KSTIST to KST
Looking for local time? See time in New York or time in Seoul.

Frequently asked questions

What is the time difference between EST and KST right now?+
KST (Korea Standard Time) is currently 13 hours ahead EST (Eastern Standard Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does EST or KST observe daylight saving time?+
EST: observes daylight saving time. KST: does not observe daylight saving time.
When is the best time to schedule a meeting between EST and KST?+
EST and KST 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 Seoul when it is 12:00 noon in New York?+
When it is 12:00 Sun in New York (EST), it is 01:00 Mon in Seoul (KST).
Which IANA time zone identifiers are used for EST and KST?+
EST maps to "America/New_York" in the IANA database. KST maps to "Asia/Seoul". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is New York ahead of or behind Seoul?+
Whether New York (EST) is ahead of or behind Seoul (KST) depends on the current UTC offsets. Right now KST is 13 hours ahead EST. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for EST and KST?+
EST is UTC-04:00 (EDT) and KST is UTC+09:00 (GMT+9). 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 EST and KST?+
No standard business-hours overlap exists between EST and KST. Plan asynchronous work or schedule outside 9-5 on at least one side.