There are totally 5 time zones in Australia, including Australia Western Standard Time, Australia Central Western Standard Time, Australia Central Standard Time, Australia Eastern Standard Timeand Lord Howe Standard Time (LHST).

Daylight Saving Time in Australia begins on the first Sunday in October, and ends on the first Sunday in April. Take 2017 as an example, DST in Australia ends on April 2nd, and begins on October 1st.

It is worth nothing that, some of the states in Australia don't observe Daylight Saving Time, including Western Australia, Queensland, Northern Territory and Eucla, while the rest states of Australia do observe DST, including the Australian Capital Territory, New South Wales, South Australia, Tasmania and Victoria.