The short answer
10am in Hawaii Time is 11pm in Riyadh.
Hawaii Time is 13 hours behind Riyadh. It lands deep outside working hours in Riyadh — see the best time to meet below for a friendlier slot.
Hawaii Time☀
10am
Riyadh☾
11pm
Right now
1:04amHST · UTC-10:00 · Mon, Jun 22
2:04pm+03:00 · UTC+03:00 · Mon, Jun 22
Read across to convert
Hawaii Time
HST · UTC-10:00
Riyadh
+03:00 · UTC+03:00
Pinned10amHawaii Time=11pmRiyadh
12amMon
1pm
WORKNOW
1am
2pm
WORK2am
3pm
WORK3am
4pm
WORK4am
5pm
5am
6pm
6am
7pm
7am
8pm
8am
9pm
9am
WORK10pm
PINNED
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
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.
Hawaii Time
6pm–7pm
Riyadh
7am–8am
next day
Popular conversions
Quick reference.
9amHawaii Time=10pmRiyadh
12pmHawaii Time=1amRiyadh · next day
3pmHawaii Time=4amRiyadh · next day
5pmHawaii Time=6amRiyadh · next day
9pmHawaii Time=10amRiyadh · next day
In context
What each side covers.
Related converters
Other popular pairs.
Pacific Time
4:04am
India Standard Time
4:34pm
Pacific Time to India12 hours 30 minutes behind
Eastern Standard Time
7:04am
Central European Time
1:04pm
Eastern Time to Central Europe6 hours behind
India Standard Time
4:34pm
Eastern Standard Time
7:04am
India to Eastern Time9 hours 30 minutes ahead
Greenwich Mean Time
12:04pm
India Standard Time
4:34pm
London to India4 hours 30 minutes behind
Pacific Standard Time
4:04am
Eastern Standard Time
7:04am
Pacific to Eastern Time3 hours behind
Central European Time
1:04pm
India Standard Time
4:34pm
Central Europe to India3 hours 30 minutes behind
Frequently asked
Quick answers about converting between Hawaii Time and Riyadh. Can't find what you need? Email [email protected].
- What is the time difference between Hawaii Time and Riyadh?
- Hawaii Time is 13 hours behind Riyadh 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 10am in Hawaii Time, what time is it in Riyadh?
- 10am in Hawaii Time is 11pm in Riyadh. It lands deep outside working hours in Riyadh — see the best time to meet below for a friendlier slot. 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 Riyadh?
- There's no comfortable 9-to-5 overlap between Hawaii Time and Riyadh — 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 — HST and +03:00 — 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.