ACST – Australian Central Standard Time (Standard Time)
Also known as: CST – Central Standard Time
Caution: This is NOT the current local time in most locations in that time zone
Please use the search field on the right to find the correct local time in any city.
Australian Central Standard Time (ACST) is 9:30 hours ahead of Coordinated Universal Time (UTC). This time zone is in use during standard time in: Australia. Australian Central Standard Time is a half-hour time zone. Its local time differs by 30 minutes instead of the normal whole hour.
Summer Time & DST
Email Time Zone Indicator: +0930
An email sent from someone in the Australian Central Standard Time (ACST) time zone will have the time zone listed as "+0930" in the headers of the email. (However, "+0930" does not have to be in Australian Central Standard Time, as other time zones could have the same UTC offset).
Where and When is ACST Observed?
Australian states/territories using ACST in the winter and ACDT in the summer:
- New South Wales - only in Yancowinna County
- South Australia
Australian states/territories using ACST all year:
- Northern Territory
Time zones by continent/region
- Central America
- Indian Ocean
- North America
- South America
ACST time now
Tuesday, February 20, 2018
Did you mean ACDT?
- ACST will be observed in Adelaide starting from Apr 1, 2018 at 3:00 am
- UTC Offset: UTC +9:30
- 14:30 hours ahead of Washington DC
Find current time and time zone by city
Related time zones
ACDT – Australian Central Daylight Time (Daylight Time)