Time in ACST and HDT
The time difference between Australian Central Standard Time (ACST) and Hawaii–Aleutian Daylight Time (HDT) is 18 hours 30 minutes. Hawaii–Aleutian Daylight Time is 18 hours 30 minutes behind Australian Central Standard Time.
This means 9am ACST is 2:30pm HDT (previous day) and 5pm ACST is 10:30pm HDT (previous day).
Australian Central Standard Time
- The current local time in ACST is 10:42 pm (July 18, 2026)
- ACST time zone offset is UTC+09:30
Hawaii–Aleutian Daylight Time
- The current local time in HDT is 10:12 pm (July 18, 2026)
- HDT time zone offset is UTC-09:00
How to convert Australian Central Standard Time to Hawaii–Aleutian Daylight Time?
Subtract 18 hours 30 minutes from Australian Central Standard Time to get Hawaii–Aleutian Daylight Time.
Time in ACST
00:00
Time in HDT
00:00
Use the slider above to convert Australian Central Standard Time to Hawaii–Aleutian Daylight 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 | HDT |
|---|---|
| 12am | 5:30am |
| 1am | 6:30am |
| 2am | 7:30am |
| 3am | 8:30am |
| 4am | 9:30am |
| 5am | 10:30am |
| 6am | 11:30am |
| 7am | 12:30pm |
| 8am | 1:30pm |
| 9am | 2:30pm |
| 10am | 3:30pm |
| 11am | 4:30pm |
| 12pm | 5:30pm |
| 1pm | 6:30pm |
| 2pm | 7:30pm |
| 3pm | 8:30pm |
| 4pm | 9:30pm |
| 5pm | 10:30pm |
| 6pm | 11:30pm |
| 7pm | 0:30am |
| 8pm | 1:30am |
| 9pm | 2:30am |
| 10pm | 3:30am |
| 11pm | 4:30am |