The short answer
4am in Hong Kong Time is 10am in Hawaii Time on the previous day.
Hong Kong Time is 18 hours ahead of Hawaii Time. It falls outside the 9-to-5 in Hong Kong Time but lands inside working hours in Hawaii Time.
Hong Kong Time☾
4am
Hawaii Time☀
10am
previous day
Right now
6:35pmHKT · UTC+08:00 · Fri, Sep 11
12:35amHST · UTC-10:00 · Fri, Sep 11
Read across to convert
Hong Kong Time
HKT · UTC+08:00
Hawaii Time
HST · UTC-10:00
Pinned4amHong Kong Time=10amHawaii Time · Thu (previous day)
12amFri
6amThu ·−1d
1am
7amThu ·−1d
2am
8amThu ·−1d
3am
9amThu ·−1d
WORKPINNED
4am
10amThu ·−1d
WORK5am
11amThu ·−1d
WORK6am
12pmThu ·−1d
WORK7am
1pmThu ·−1d
WORK8am
2pmThu ·−1d
WORK9am
WORK3pmThu ·−1d
WORK10am
WORK4pmThu ·−1d
WORK11am
WORK5pmThu ·−1d
12pm
WORK6pmThu ·−1d
1pm
WORK7pmThu ·−1d
2pm
WORK8pmThu ·−1d
3pm
WORK9pmThu ·−1d
4pm
WORK10pmThu ·−1d
5pm
11pmThu ·−1d
NOW
6pm
12amFri
7pm
1am
8pm
2am
9pm
3am
10pm
4am
11pm
5am
daylightnightworking hoursoverlap
Best time to meet=
Best for a call
Hong Kong Time
9am–11am
Hawaii Time
3pm–5pm
previous day
Popular conversions
Quick reference.
9amHong Kong Time=3pmHawaii Time · prev day
12pmHong Kong Time=6pmHawaii Time · prev day
3pmHong Kong Time=9pmHawaii Time · prev day
5pmHong Kong Time=11pmHawaii Time · prev day
9pmHong Kong Time=3amHawaii Time
In context
What each side covers.
Hong Kong Time
6:35pmHKT · UTC+08:00
Cities on this clock
Hawaii Time
12:35amHST · UTC-10:00
US
Related converters
Other popular pairs.
Pacific Time
3:35am
India Standard Time
4:05pm
Pacific Time to India12 hours 30 minutes behind
Eastern Daylight Time
6:35am
Central European Time
12:35pm
Eastern Time to Central Europe6 hours behind
India Standard Time
4:05pm
Eastern Daylight Time
6:35am
India to Eastern Time9 hours 30 minutes ahead
British Summer Time
11:35am
India Standard Time
4:05pm
London to India4 hours 30 minutes behind
Pacific Daylight Time
3:35am
Eastern Daylight Time
6:35am
Pacific to Eastern Time3 hours behind
Central European Time
12:35pm
India Standard Time
4:05pm
Central Europe to India3 hours 30 minutes behind
Frequently asked
Quick answers about converting between Hong Kong Time and Hawaii Time. Can't find what you need? Email [email protected].
- What is the time difference between Hong Kong Time and Hawaii Time?
- Hong Kong Time is 18 hours ahead of Hawaii 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 4am in Hong Kong Time, what time is it in Hawaii Time?
- 4am in Hong Kong Time is 10am in Hawaii Time on the previous day. It falls outside the 9-to-5 in Hong Kong Time but lands inside working hours in Hawaii Time. Use the hour-by-hour table above to read any other time across.
- What's the best time for a call between Hong Kong Time and Hawaii Time?
- 9am–11am in Hong Kong Time lines up with 3pm–5pm in Hawaii Time the previous 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 — HKT and HST — 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.