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ACST – Australian Central Standard Time (Standard Time)

Also known as: CST – Central Standard Time

Time zone map of ACST
Currently observing ACST.
Areas with same time currently (UTC +9:30).
Currently observing ACST – Australian Central Standard Time.
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 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).

Where and When is ACST Observed?

Australia

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

See all Time zone abbreviations

Time zones Tools

ACST time now

2:39:07am

Thursday, May 23, 2019

  • ACST will be observed in Adelaide until Oct 6, 2019 at 2:00 am
  • UTC Offset: UTC +9:30
  • 13:30 hours ahead of Washington DC
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Find current time and time zone by city

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

Time Zone Map

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