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Convert KST to ET

Korea Standard Time (KST) to Eastern Time (ET)

When it's 12:00 PM KST, it's 11:00 PM ET (previous day)

UTC+9 UTC-4 -13 hours

Interactive Converter

Pick any time and date to convert between KST and ET.

KST to ET Conversion Table

Full 24-hour comparison. Business hours (9 AM -- 6 PM) are highlighted.

KST ET
12:00 AM 11:00 AM -1 day
1:00 AM 12:00 PM -1 day
2:00 AM 1:00 PM -1 day
3:00 AM 2:00 PM -1 day
4:00 AM 3:00 PM -1 day
5:00 AM 4:00 PM -1 day
6:00 AM 5:00 PM -1 day
7:00 AM 6:00 PM -1 day
8:00 AM 7:00 PM -1 day
9:00 AM 8:00 PM -1 day
10:00 AM 9:00 PM -1 day
11:00 AM 10:00 PM -1 day
12:00 PM 11:00 PM -1 day
1:00 PM 12:00 AM
2:00 PM 1:00 AM
3:00 PM 2:00 AM
4:00 PM 3:00 AM
5:00 PM 4:00 AM
6:00 PM 5:00 AM
7:00 PM 6:00 AM
8:00 PM 7:00 AM
9:00 PM 8:00 AM
10:00 PM 9:00 AM
11:00 PM 10:00 AM

Best Meeting Window

Top meeting times for teams in KST and ET (9 AM -- 6 PM work hours, 1-hour meeting).

12a
3a
6a
9a
12p
3p
6p
9p
KST GMT+9
ET EDT
Overlap
Everyone available
Most available
Some overlap
Outside work hours
1 2:00 AM -- 3:00 AM KST
KST: 2:00 AM ET: 1:00 PM

1 of 2 members within working hours. 1 in mid-day range (9 AM–5 PM). Outside work hours for KST.

5.9 / 10
2 3:00 AM -- 4:00 AM KST
KST: 3:00 AM ET: 2:00 PM

1 of 2 members within working hours. 1 in mid-day range (9 AM–5 PM). Outside work hours for KST.

5.9 / 10
3 1:00 PM -- 2:00 PM KST
KST: 1:00 PM ET: 12:00 AM

1 of 2 members within working hours. 1 in mid-day range (9 AM–5 PM). Outside work hours for ET.

5.9 / 10

Try the Meeting Planner with custom work hours →

Time Difference & DST

ET is 13 hours behind KST. KST is at UTC+9 and ET is at UTC-4.

Upcoming DST Transitions:

ET Clocks fall back on November 2, 2026

The conversion table above reflects the current DST state at build time. Use the interactive converter for live, date-specific conversions.

Major Cities

Korea Standard Time (KST)

  • Seoul
  • Busan
  • Incheon

Eastern Time (ET)

  • New York
  • Miami
  • Atlanta

Related Conversions

ET → CT -1h
New York → Chicago
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CT → ET +1h
Chicago → New York
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ET → PT -3h
New York → Los Angeles
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PT → ET +3h
Los Angeles → New York
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ET → MT -2h
New York → Denver
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MT → ET +2h
Denver → New York
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ET → GMT +4h
New York → London
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GMT → ET -4h
London → New York
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ET → CET +5h
New York → Berlin
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CET → ET -5h
Berlin → New York
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ET → EET +6h
New York → Helsinki
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EET → ET -6h
Helsinki → New York
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Popular Conversions

ET → IST +9:30h
New York → Mumbai
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ET → GMT +4h
New York → London
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ET → CET +5h
New York → Berlin
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PT → IST +12:30h
Los Angeles → Mumbai
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ET → PT -3h
New York → Los Angeles
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PT → GMT +7h
Los Angeles → London
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CET → IST +4:30h
Berlin → Mumbai
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UTC → ET -4h
UTC → New York
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ET → JST +13h
New York → Tokyo
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GMT → IST +5:30h
London → Mumbai
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PT → CET +8h
Los Angeles → Berlin
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ET → AEST +15h
New York → Sydney
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