Clockjumper

Timezone conversion

KST to EDT Time — Convert Korea Standard Time to Eastern Daylight Time (US)

EDT is currently 13 hours behind KST. The gap shifts across the year: around January EDT is 14 hours behind KST, and around July it is 13 hours behind KST, because one or both zones observe daylight saving.

EDT is currently 13 hours behind KST.

KST • KST (UTC+9)
11:32 PM
Thursday, Sep 10
EDT • EDT (UTC-4)
10:32 AM
Thursday, Sep 10

Interactive converter

From

12:00PM

To

Select both cities to see the converted time.

Pick a time to convert
:

Full KST to EDT conversion table

KSTEDT
12:00 AM11:00 AM(previous day)
1:00 AM12:00 PM(previous day)
2:00 AM1:00 PM(previous day)
3:00 AM2:00 PM(previous day)
4:00 AM3:00 PM(previous day)
5:00 AM4:00 PM(previous day)
6:00 AM5:00 PM(previous day)
7:00 AM6:00 PM(previous day)
8:00 AM7:00 PM(previous day)
9:00 AM8:00 PM(previous day)
10:00 AM9:00 PM(previous day)
11:00 AM10:00 PM(previous day)
12:00 PM11:00 PM(previous day)
1:00 PM12:00 AM
2:00 PM1:00 AM
3:00 PM2:00 AM
4:00 PM3:00 AM
5:00 PM4:00 AM
6:00 PM5:00 AM
7:00 PM6:00 AM
8:00 PM7:00 AM
9:00 PM8:00 AM
10:00 PM9:00 AM
11:00 PM10:00 AM

Daylight saving and how the gap changes

Around January EDT is 14 hours behind KST. Around July it is 13 hours behind KST. That swing comes from one or both zones observing daylight saving on different schedules — the converter above always reflects the correct offset for the date you pick.

Frequently asked questions

Is EDT ahead of or behind KST right now?
EDT is currently 13 hours behind KST.
What is the current KST to EDT time difference?
Right now the gap is 13 hours — EDT is 13 hours behind KST.
Does the KST → EDT offset change during the year?
Yes. Around January EDT is 14 hours behind KST; around July it is 13 hours behind KST. The converter above always reflects the correct offset for the date you pick.
Does KST observe daylight saving time?
No — Korea Standard Time stays at a fixed UTC offset year-round.
Does EDT observe daylight saving time?
EDT is itself the daylight-saving form. Eastern Daylight Time (US) is in force at UTC-4 through the summer months; outside that window the same zone is on EST (UTC-5).
What time is 3 AM KST in EDT?
3:00 AM KST is 2:00 PM (previous day) EDT.
What time is 8 AM KST in EDT?
8:00 AM KST is 7:00 PM (previous day) EDT.
What time is 9 AM KST in EDT?
9:00 AM KST is 8:00 PM (previous day) EDT.
What time is 10 AM KST in EDT?
10:00 AM KST is 9:00 PM (previous day) EDT.
What time is 11 AM KST in EDT?
11:00 AM KST is 10:00 PM (previous day) EDT.
What time is 12 PM (noon) KST in EDT?
12:00 PM KST is 11:00 PM (previous day) EDT.
What time is 2 PM KST in EDT?
2:00 PM KST is 1:00 AM EDT.
What time is 3 PM KST in EDT?
3:00 PM KST is 2:00 AM EDT.
What time is 4 PM KST in EDT?
4:00 PM KST is 3:00 AM EDT.
What time is 5 PM KST in EDT?
5:00 PM KST is 4:00 AM EDT.
What time is 9 PM KST in EDT?
9:00 PM KST is 8:00 AM EDT.
What time is 10 PM KST in EDT?
10:00 PM KST is 9:00 AM EDT.
When is the best time to schedule a call between KST and EDT?
KST and EDT have no direct 09:00–17:00 overlap on the same calendar day. Consider early-morning or late-evening slots on one side, or an asynchronous handoff.
What time zone does KST refer to?
KST refers to Korea Standard Time (IANA: Asia/Seoul).
What time zone does EDT refer to?
EDT refers to Eastern Daylight Time (US) (IANA: America/New_York).

Related conversions

Learn more