Australia has three time zones: Eastern Standard Time (EST), which includes New South Wales, Australian Capital Territory, Victoria and Tass.
Mania and Queensland provinces; Central Standard Time (CST) region, including South Australia and Northern Territory; Western Standard Time (WST) region, namely Western Australia. Central time is half an hour slower than eastern time, and western time is two hours slower than eastern time.
Eastern time is East Ten District, GMT+ 10.