What is AWST in HST?
Hawaii Standard Time is 18 hours behind
Australian Western Standard Time is on UTC+8:00 and Hawaii Standard Time is on UTC−10:00 right now. That gap holds all year, because both zones change their clocks together.
- Time in Perth
- 10:15 am
- Time in Honolulu
- 4:15 pm
- Difference
- −18 h
- Next clock change
- Neither zone
Convert a time
HST — Hawaii Standard Time
4:00 pm
Tue, the previous day
Daylight saving
Australian Western Standard Time
Australian Western Standard Time stays on AWST all year, so its offset from UTC never moves.
Hawaii Standard Time
Hawaii Standard Time stays on HST all year, so its offset from UTC never moves.
AWST to HST conversion table
Every hour of Wednesday, September 23, 2026, converted from Australian Western Standard Time to Hawaii Standard Time. 18 of the 24 hours fall on a different calendar day in Honolulu, which is marked.
- 12:00 am AWST
- 6:00 am HST−1 day
- 1:00 am AWST
- 7:00 am HST−1 day
- 2:00 am AWST
- 8:00 am HST−1 day
- 3:00 am AWST
- 9:00 am HST−1 day
- 4:00 am AWST
- 10:00 am HST−1 day
- 5:00 am AWST
- 11:00 am HST−1 day
- 6:00 am AWST
- 12:00 pm HST−1 day
- 7:00 am AWST
- 1:00 pm HST−1 day
- 8:00 am AWST
- 2:00 pm HST−1 day
- 9:00 am AWST
- 3:00 pm HST−1 day
- 10:00 am AWST
- 4:00 pm HST−1 day
- 11:00 am AWST
- 5:00 pm HST−1 day
- 12:00 pm AWST
- 6:00 pm HST−1 day
- 1:00 pm AWST
- 7:00 pm HST−1 day
- 2:00 pm AWST
- 8:00 pm HST−1 day
- 3:00 pm AWST
- 9:00 pm HST−1 day
- 4:00 pm AWST
- 10:00 pm HST−1 day
- 5:00 pm AWST
- 11:00 pm HST−1 day
- 6:00 pm AWST
- 12:00 am HST
- 7:00 pm AWST
- 1:00 am HST
- 8:00 pm AWST
- 2:00 am HST
- 9:00 pm AWST
- 3:00 am HST
- 10:00 pm AWST
- 4:00 am HST
- 11:00 pm AWST
- 5:00 am HST
Scheduling between the two
Working hours overlap from 9:00 am to 12:00 pm AWST, which is 3:00 pm to 6:00 pm HST. Anything inside that window falls in the normal working day at both ends.
Australian Western Standard Time (AWST) is used in Western Australia, which does not observe daylight saving
Hawaii Standard Time (HST) is used in all of Hawaii, which does not observe daylight saving