<P> New South Wales, the Australian Capital Territory, Victoria, Tasmania and South Australia observe DST every year . This has resulted in three time zones becoming five during the daylight - saving period . South Australia time becomes UTC + 10: 30, called Central Daylight Time (CDT), possibly with "Australia" prefixed (ACDT). The time in the southeastern states becomes UTC + 11, using "Eastern" in the time zone name, Eastern Daylight Time (EDT), respectively Australia Eastern Daylight Time (AEDT). </P> <P> Officially, the change to and from DST takes place at 2: 00 am local standard time (which is 3: 00 am DST) on the appropriate Sunday . </P> <P> Of the states that observe DST, most began on the last Sunday in October, and ended on the last Sunday in March, until 2008 . Tasmania, owing to its further southern latitude began DST earlier, on the first Sunday in October, and ended on the first Sunday of April . </P> <P> On 12 April 2007, New South Wales, Victoria, Tasmania and the Australian Capital Territory agreed to common starting and finishing dates for DST . From the 2008 / 09 period, the start of DST in these states and in South Australia commences on the first Sunday in October and ends on the first Sunday in April . Western Australia became the only state to observe daylight saving from the last Sunday in October to the last Sunday in March . Since 2009 Western Australia no longer observes daylight saving . </P>

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