The short answer
8pm in Eastern Standard Time is 9am in Seoul on the next day.
Eastern Standard Time is 13 hours behind Seoul. It falls outside the 9-to-5 in Eastern Standard Time but lands inside working hours in Seoul.
Eastern Standard Time☀
8pm
Seoul☀
9am
next day
Right now
5:10amEDT · UTC-04:00 · Mon, Jun 22
6:10pmKST · UTC+09:00 · Mon, Jun 22
Read across to convert
Eastern Standard Time
EDT · UTC-04:00
Seoul
KST · UTC+09:00
Pinned8pmEastern Standard Time=9amSeoul · Tue (next day)
12amMon
1pm
WORK1am
2pm
WORK2am
3pm
WORK3am
4pm
WORK4am
5pm
NOW
5am
6pm
6am
7pm
7am
8pm
8am
9pm
9am
WORK10pm
10am
WORK11pm
11am
WORK12amTue ·+1d
12pm
WORK1amTue ·+1d
1pm
WORK2amTue ·+1d
2pm
WORK3amTue ·+1d
3pm
WORK4amTue ·+1d
4pm
WORK5amTue ·+1d
5pm
6amTue ·+1d
6pm
7amTue ·+1d
7pm
8amTue ·+1d
PINNED
8pm
9amTue ·+1d
WORK9pm
10amTue ·+1d
WORK10pm
11amTue ·+1d
WORK11pm
12pmTue ·+1d
WORKdaylightnightworking hoursoverlap
Best time to meet=
Closest workable window
Just outside the working window — early on one side, late on the other.
Eastern Standard Time
6pm–7pm
Seoul
7am–8am
next day
Popular conversions
Quick reference.
9amEastern Standard Time=10pmSeoul
12pmEastern Standard Time=1amSeoul · next day
3pmEastern Standard Time=4amSeoul · next day
5pmEastern Standard Time=6amSeoul · next day
9pmEastern Standard Time=10amSeoul · next day
In context
What each side covers.
Eastern Standard Time
5:10amEDT · UTC-04:00
Cities on this clock
Did you mean…? “EDT” is shared by several places. This page shows Eastern Standard Time (US & Canada) — or switch to Australian Eastern Standard Time.
Related converters
Other popular pairs.
Pacific Time
2:10am
India Standard Time
2:40pm
Pacific Time to India12 hours 30 minutes behind
Eastern Standard Time
5:10am
Central European Time
11:10am
Eastern Time to Central Europe6 hours behind
India Standard Time
2:40pm
Eastern Standard Time
5:10am
India to Eastern Time9 hours 30 minutes ahead
Greenwich Mean Time
10:10am
India Standard Time
2:40pm
London to India4 hours 30 minutes behind
Pacific Standard Time
2:10am
Eastern Standard Time
5:10am
Pacific to Eastern Time3 hours behind
Central European Time
11:10am
India Standard Time
2:40pm
Central Europe to India3 hours 30 minutes behind
Frequently asked
Quick answers about converting between Eastern Standard Time and Seoul. Can't find what you need? Email [email protected].
- What is the time difference between Eastern Standard Time and Seoul?
- Eastern Standard Time is 13 hours behind Seoul right now. We always show the live, daylight-saving-correct difference, so this figure already accounts for whichever side is observing summer time today.
- When it's 8pm in Eastern Standard Time, what time is it in Seoul?
- 8pm in Eastern Standard Time is 9am in Seoul on the next day. It falls outside the 9-to-5 in Eastern Standard Time but lands inside working hours in Seoul. Use the hour-by-hour table above to read any other time across.
- What's the best time for a call between Eastern Standard Time and Seoul?
- There's no comfortable 9-to-5 overlap between Eastern Standard Time and Seoul — they sit on opposite sides of the planet's working day. Plan for an early or late call on one side, or hand work off asynchronously.
- Does this account for daylight saving time?
- Yes. We track every clock change in both places, so the abbreviations you see — EDT and KST — are the ones actually in effect right now, not a fixed all-year value. When either side changes its clocks, this page updates automatically.
- Why is the date sometimes different on each side?
- When two places are far enough apart, the same moment can fall on different calendar days. That is why some conversions are marked "previous day" or "next day" — it is the same instant in time, read off two clocks that crossed midnight at different points.