What is HST in AWST?
Australian Western Standard Time is 18 hours ahead
Hawaii Standard Time is on UTC−10:00 and Australian Western Standard Time is on UTC+8:00 right now. That gap holds all year, because both zones change their clocks together.
- Time in Honolulu
- 4:57 pm
- Time in Perth
- 10:57 am
- Difference
- +18 h
- Next clock change
- Neither zone
Convert a time
AWST — Australian Western Standard Time
10:00 am
Wed, the next day
Daylight saving
Hawaii Standard Time
Hawaii Standard Time stays on HST all year, so its offset from UTC never moves.
Australian Western Standard Time
Australian Western Standard Time stays on AWST all year, so its offset from UTC never moves.
HST to AWST conversion table
Every hour of Tuesday, September 22, 2026, converted from Hawaii Standard Time to Australian Western Standard Time. 18 of the 24 hours fall on a different calendar day in Perth, which is marked.
- 12:00 am HST
- 6:00 pm AWST
- 1:00 am HST
- 7:00 pm AWST
- 2:00 am HST
- 8:00 pm AWST
- 3:00 am HST
- 9:00 pm AWST
- 4:00 am HST
- 10:00 pm AWST
- 5:00 am HST
- 11:00 pm AWST
- 6:00 am HST
- 12:00 am AWST+1 day
- 7:00 am HST
- 1:00 am AWST+1 day
- 8:00 am HST
- 2:00 am AWST+1 day
- 9:00 am HST
- 3:00 am AWST+1 day
- 10:00 am HST
- 4:00 am AWST+1 day
- 11:00 am HST
- 5:00 am AWST+1 day
- 12:00 pm HST
- 6:00 am AWST+1 day
- 1:00 pm HST
- 7:00 am AWST+1 day
- 2:00 pm HST
- 8:00 am AWST+1 day
- 3:00 pm HST
- 9:00 am AWST+1 day
- 4:00 pm HST
- 10:00 am AWST+1 day
- 5:00 pm HST
- 11:00 am AWST+1 day
- 6:00 pm HST
- 12:00 pm AWST+1 day
- 7:00 pm HST
- 1:00 pm AWST+1 day
- 8:00 pm HST
- 2:00 pm AWST+1 day
- 9:00 pm HST
- 3:00 pm AWST+1 day
- 10:00 pm HST
- 4:00 pm AWST+1 day
- 11:00 pm HST
- 5:00 pm AWST+1 day
Scheduling between the two
Working hours overlap from 3:00 pm to 6:00 pm HST, which is 9:00 am to 12:00 pm AWST. Anything inside that window falls in the normal working day at both ends.
Hawaii Standard Time (HST) is used in all of Hawaii, which does not observe daylight saving
Australian Western Standard Time (AWST) is used in Western Australia, which does not observe daylight saving