Clockjumper

Timezone conversion

KST to ET Time — Convert Korea Standard Time to Eastern Time (US)

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

ET is currently 13 hours behind KST.

KST • GMT+9 (UTC+9)
2:14 AM
Thursday, Jul 9
ET • EDT (UTC-4)
1:14 PM
Wednesday, Jul 8

Interactive converter

12:00PM

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Full KST to ET conversion table

KSTET
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 the KST → ET offset 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 ET ahead of or behind KST right now?
ET is currently 13 hours behind KST.
What is the current KST to ET time difference?
Right now the gap is 13 hours behind — ET is 13 hours behind KST.
Does the KST → ET offset change during the year?
Yes. Around January the offset 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 ET observe daylight saving time?
Yes — Eastern Time (US) observes DST, so its UTC offset shifts by 1 hour(s) between winter and summer.
What time is 9 AM KST in ET?
9:00 AM KST is 8:00 PM (previous day) ET.
What time is 12 PM (noon) KST in ET?
12:00 PM KST is 11:00 PM (previous day) ET.
What time is 5 PM KST in ET?
5:00 PM KST is 4:00 AM ET.
When is the best time to schedule a call between KST and ET?
KST and ET 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 ET refer to?
ET refers to Eastern Time (US) (IANA: America/New_York).

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