Convert ACST to HDT Time
Free online converter with current times, time difference, and conversion table between ACST and HDT time zones.
Current time in ACST: Loading...
Current time in HDT: Loading...
Time difference: -18.5 hours
ACST to HDT Conversion Table
This table shows common ACST times converted to HDT time:
About ACST and HDT Time Zones
ACST Time Zone
Full Name: Australian Central Standard Time
UTC Offset: UTC+9.5
Current Time: Loading...
Standard time in Central Australia.
Used in: Australia (SA, NT)
HDT Time Zone
Full Name: Hawaii Daylight Time
UTC Offset: UTC-9
Current Time: Loading...
Historically used daylight saving time in Hawaii.
Used in: USA (Hawaii - historical)
How to Convert ACST to HDT
Enter ACST Time
Enter the ACST time you want to convert using the time picker or by typing directly in 24-hour format.
Click Convert
Click the "Convert Time" button to perform the conversion from ACST to HDT.
View Result
The equivalent HDT time will be displayed, along with the time difference between the two zones.
Use Conversion Table
For quick reference, you can also use the conversion table below that shows common ACST times converted to HDT.
Common Uses for ACST to HDT Conversion
International Business
Schedule meetings and calls between locations in Australia (SA and USA (Hawaii - historical) time zones.
Travel Planning
Calculate arrival times and plan activities when traveling between Australia (SA and USA (Hawaii - historical).
Event Scheduling
Convert event times for international broadcasts, webinars, or sports events between these regions.
Keeping in Touch
Find the best times to call friends, family, or colleagues across these time zones.
Frequently Asked Questions
The time difference between ACST and HDT is -18.5 hours. This means that when it's noon (12:00 PM) in ACST, it's 5:00 PM in HDT.
To convert ACST to HDT time, subtract 18.5 hours from the ACST time. You can use our converter at the top of this page for instant and accurate conversions.
ACST observes DST. HDT does not observe DST.
Minimal overlap in business hours.
Our converter uses standard time zone offsets. For the most accurate conversions during DST transition periods, please verify the exact dates when DST begins or ends in the relevant regions, as these can vary by year and location.