The short answer

12am in Hawaii Time is 7pm in Korea Standard Time.

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
12am
Korea Standard Time
7pm
Right now
1:24amHST · UTC-10:00 · Mon, Jun 22
8:24pmKST · UTC+09:00 · Mon, Jun 22
Read across to convert
Hawaii Time
HST · UTC-10:00
1:24am ☾
Korea Standard Time
KST · UTC+09:00
8:24pm ☾
Pinned12amHawaii Time=7pmKorea Standard Time
PINNED
12amMon
7pm
NOW
1am
8pm
2am
9pm
3am
10pm
4am
11pm
5am
12amTue ·+1d
6am
1amTue ·+1d
7am
2amTue ·+1d
8am
3amTue ·+1d
9am
WORK
4amTue ·+1d
10am
WORK
5amTue ·+1d
11am
WORK
6amTue ·+1d
12pm
WORK
7amTue ·+1d
1pm
WORK
8amTue ·+1d
2pm
WORK
9amTue ·+1d
WORK
3pm
WORK
10amTue ·+1d
WORK
4pm
WORK
11amTue ·+1d
WORK
5pm
12pmTue ·+1d
WORK
6pm
1pmTue ·+1d
WORK
7pm
2pmTue ·+1d
WORK
8pm
3pmTue ·+1d
WORK
9pm
4pmTue ·+1d
WORK
10pm
5pmTue ·+1d
11pm
6pmTue ·+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
HST · UTC-10:00
1:24am

US

Korea Standard Time
KST · UTC+09:00
8:24pm
Cities on this clock

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 12am in Hawaii Time, what time is it in Korea Standard Time?
12am in Hawaii Time is 7pm in Korea Standard Time. 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.