uses Standard time
, i.e. the same well defined time for a region. The proper names of Australia's time zones are Australian Western Standard Time
(AWST), Australian Central Standard Time
(ACST), and Australian Eastern Standard Time
(AEST). In domestic contexts the leading "Australian" is often omitted.The three zones use three standard UTC offsets
: western (00
), central (30
) and eastern (00
). Most Australian external territories also observe different time zones.Standard time
was introduced in the 1890s when all colonies adopted it. Before the switch to standard times, each local municipality was free to determine its own local time, called local mean time
.Western Australia uses Western Standard Time, South Australia and the Northern Territory use Central Standard Time. All other states and the Australian Capital Territory use Eastern Standard Time.
New South Wales (NSW), the Australian Capital Territory (ACT), Victoria (Vic), South Australia (SA), and Tasmania (Tas) observe daylight saving time
every year. Western Australia, Queensland and the Northern Territory do not observe daylight saving.
Though the states and territories have power to legislate time variations, the standard time within each is set in relation to Coordinated Universal Time
, as determined by the International Bureau of Weights and Measures
and maintained under section 8AA of the National Measurement Act
1960 of the Commonwealth.
The standardization... Read More