ACST – Australian Central Standard Time (Standard Time)

Also known as: CST – Central Standard Time

Australian Central Standard Time (ACST) is 9:30 hours ahead of Coordinated Universal Time. 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.

See full time zone map

Summer Time & DST

Some places observe daylight saving time/summer time during the summer, and therefore use ACDT (Australian Central Daylight Time) in the summer.

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).