Time in ACST and HST
The time difference between Australian Central Standard Time (ACST) and Hawaii–Aleutian Standard Time (HST) is 19 hours 30 minutes. Hawaii–Aleutian Standard Time is 19 hours 30 minutes behind Australian Central Standard Time.
This means 9am ACST is 1:30pm HST (previous day) and 5pm ACST is 9:30pm HST (previous day).
Australian Central Standard Time
- The current local time in ACST is 10:41 pm (July 18, 2026)
- ACST time zone offset is UTC+09:30
Hawaii–Aleutian Standard Time
- The current local time in HST is 11:11 pm (July 18, 2026)
- HST time zone offset is UTC-10:00
How to convert Australian Central Standard Time to Hawaii–Aleutian Standard Time?
Subtract 19 hours 30 minutes from Australian Central Standard Time to get Hawaii–Aleutian Standard Time.
Time in ACST
00:00
Time in HST
00:00
Use the slider above to convert Australian Central Standard Time to Hawaii–Aleutian Standard Time and view the day and night map at different times.
Day–night colors on the map:
Day
Civil twilight
Nautical twilight
Astronomical twilight
NightTime Conversion Chart
| ACST | HST |
|---|---|
| 12am | 4:30am |
| 1am | 5:30am |
| 2am | 6:30am |
| 3am | 7:30am |
| 4am | 8:30am |
| 5am | 9:30am |
| 6am | 10:30am |
| 7am | 11:30am |
| 8am | 12:30pm |
| 9am | 1:30pm |
| 10am | 2:30pm |
| 11am | 3:30pm |
| 12pm | 4:30pm |
| 1pm | 5:30pm |
| 2pm | 6:30pm |
| 3pm | 7:30pm |
| 4pm | 8:30pm |
| 5pm | 9:30pm |
| 6pm | 10:30pm |
| 7pm | 11:30pm |
| 8pm | 0:30am |
| 9pm | 1:30am |
| 10pm | 2:30am |
| 11pm | 3:30am |