The short answer
10pm in Hawaii Time is 5pm in Korea Standard Time on the next day.
Hawaii Time is 19 hours behind Korea Standard Time. That's already evening in Korea Standard Time, after the typical working day ends.
Hawaii Time☾
10pm
Korea Standard Time☀
5pm
next day
Right now
8:33pmHST · UTC-10:00 · Sun, Jun 21
3:33pmKST · UTC+09:00 · Mon, Jun 22
Read across to convert
Hawaii Time
HST · UTC-10:00
Korea Standard Time
KST · UTC+09:00
Pinned10pmHawaii Time=5pmKorea Standard Time · Mon (next day)
12amSun
7pm
1am
8pm
2am
9pm
3am
10pm
4am
11pm
5am
12amMon ·+1d
6am
1amMon ·+1d
7am
2amMon ·+1d
8am
3amMon ·+1d
9am
WORK4amMon ·+1d
10am
WORK5amMon ·+1d
11am
WORK6amMon ·+1d
12pm
WORK7amMon ·+1d
1pm
WORK8amMon ·+1d
2pm
WORK9amMon ·+1d
WORK3pm
WORK10amMon ·+1d
WORK4pm
WORK11amMon ·+1d
WORK5pm
12pmMon ·+1d
WORK6pm
1pmMon ·+1d
WORK7pm
2pmMon ·+1d
WORKNOW
8pm
3pmMon ·+1d
WORK9pm
4pmMon ·+1d
WORKPINNED
10pm
5pmMon ·+1d
11pm
6pmMon ·+1d
daylightnightworking hoursoverlap
Best time to meet=
Best for a call
Hawaii Time
2pm–5pm
Korea Standard Time
9am–12pm
next day
Popular conversions
Quick reference.
9amHawaii Time=4amKorea Standard Time · next day
12pmHawaii Time=7amKorea Standard Time · next day
3pmHawaii Time=10amKorea Standard Time · next day
5pmHawaii Time=12pmKorea Standard Time · next day
9pmHawaii Time=4pmKorea Standard Time · next day
In context
What each side covers.
Hawaii Time
8:33pmHST · UTC-10:00
US
Korea Standard Time
3:33pmKST · UTC+09:00
Related converters
Other popular pairs.
Pacific Time
11:33pm
India Standard Time
12:03pm
Pacific Time to India12 hours 30 minutes behind
Eastern Standard Time
2:33am
Central European Time
8:33am
Eastern Time to Central Europe6 hours behind
India Standard Time
12:03pm
Eastern Standard Time
2:33am
India to Eastern Time9 hours 30 minutes ahead
Greenwich Mean Time
7:33am
India Standard Time
12:03pm
London to India4 hours 30 minutes behind
Pacific Standard Time
11:33pm
Eastern Standard Time
2:33am
Pacific to Eastern Time3 hours behind
Central European Time
8:33am
India Standard Time
12:03pm
Central Europe to India3 hours 30 minutes behind
Frequently asked
Quick answers about converting between Hawaii Time and Korea Standard Time. Can't find what you need? Email [email protected].
- What is the time difference between Hawaii Time and Korea Standard Time?
- Hawaii Time is 19 hours behind Korea Standard Time 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 10pm in Hawaii Time, what time is it in Korea Standard Time?
- 10pm in Hawaii Time is 5pm in Korea Standard Time on the next day. That's already evening in Korea Standard Time, after the typical working day ends. Use the hour-by-hour table above to read any other time across.
- What's the best time for a call between Hawaii Time and Korea Standard Time?
- 2pm–5pm in Hawaii Time lines up with 9am–12pm in Korea Standard Time the next day — both sides are inside a 9-to-5 working day.
- Does this account for daylight saving time?
- Yes. We track every clock change in both places, so the abbreviations you see — HST 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.