Home > Time Zones > Abbreviations > ACST – Australian Central Standard Time

ACST – Australian Central Standard Time (Standard Time)

Also known as: CST – Central Standard Time

Australian Central Standard Time Note:

Australia: Only some locations are currently on ACST because most places in this time zone are currently on DST. Locations that are on ACST part of the year are currently on ACDT.

Currently observing ACST.
Observes ACST part of the year.
Areas with same time currently (UTC +9:30).
Currently observing ACST – Australian Central Standard Time.
Observes ACST – Australian Central Standard Time part of the year, but not currently.
Currently has same time zone offset as ACST (UTC +9:30) but different time zone name.

Australian Central Standard Time (ACST) is 9:30 hours ahead of Coordinated Universal Time (UTC). This time zone is a standard time zone and is used in: Australia. Australian Central Standard Time is a half-hour time zone. Its local time differs by 30 minutes from the usual one-hour time zone interval.

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).

Where and when is ACST observed?

Australia

Australian states and territories using ACST in the winter and ACDT in the summer

  • New South Wales - only in Yancowinna County
  • South Australia

Australian states and territories using ACST all year

  • Northern Territory

ACST time now

9:50:52PM

Monday, November 24, 2014

  • UTC Offset: UTC +9:30
  • 14:30 hours ahead of Washington DC

Find current time and time zone by city


Advertising

Example cities

Australia – Darwin (All Year)
Australia – Adelaide (Winter)

Related time zones

ACDT – Australian Central Daylight Time (Daylight Time)


Time Zone Map with DST

Time Zone Map