Your clocks and watches will need to be wound back an hour this Sunday, with the end of daylight saving.
It means residents in New South Wales, Victoria, South Australia, Tasmania and the ACT will be re-setting their clocks.
For those in Western Australia, Queensland and the Northern Territory, business will carry on as usual.
Daylight saving will officially end at 3:00am on Sunday, with clocks going back an hour to 2:00am.
In Greece Daylight saving time started last Sunday so our difference will be seven hours as of Sunday morning.