Daylight Saving Time
Australia Daylight Saving Time
Summer Time in Australia
Daylight Saving Time
is the practice of advancing clocks one hour
during the summer months of the year. In Australia, Daylight Saving Time is
New South Wales
, and the
Australian Capital Territory
Australia Daylight Saving Time begins
first Sunday in October
(which is 3am
Australian Eastern Daylight Time) on the
first Sunday in April.
Where Daylight Saving Time is observed:
AEST becomes Australian Eastern Daylight Time (AEDT), and clocks are advanced
to GMT +11.
ACST becomes Australian Central Daylight Time (ACDT), and clocks are advanced
to GMT +10 ½.
Daylight Saving Time is not observed in Queensland, the Northern Territory or
Queensland and the Northern Territory do not observe
Australia Summer Time: October - March
Daylight Saving Time (DST) has been implemented within Australia in various
forms since the early 1900s.
The following sections provide more detailed
Historic dates of Daylight Saving Time in Australia
LST - Local Standard Time
The globe is divided into Standard time zones and Local Standard Time is the
time specified for each zone. This is usually done in terms of hours ahead or
behind GMT. The LST zones in Australia are as follows:
AEST - Australian Eastern Standard Time
(GMT +10) in Queensland,
New South Wales, Victoria and Tasmania
ACST - Australian Central Standard Time
(GMT +9.5) in Northern
Territories and South Australia
AWST - Australian Western Standard Time
(GMT +8) in Western
Within Australia DST across the three time zones is generally denoted by
AEDT - Australian Eastern Daylight Time
AEDT Daylight Saving Dates
At start of daylight saving period, move clock forward one hour at 2 am
EST (Eastern Standard Time).
At end of daylight saving period, move clock back one hour at 2 am EST
(Eastern Standard Time).
ACDT - Australian Central Daylight Time
AWDT - Australian Western Daylight Time
Experimentally in use between 2006 - 2009 and then abandoned.
Normally this is the same as Local Standard Time, but in periods of Daylight
Saving an hour is added to the local clock, making Local Time an hour ahead of
Local Standard Time (i.e. Local time = DST).
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