Daylight saving begins this weekend with residents of the ACT, NSW, South Australia, Tasmania and Victoria moving their clocks forward by one hour at 2am AEST on Sunday.

While the brighter nights are welcomed in participating states/territories, the practice of changing the time can bring physiological, psychological and logistical challenges.

This is how daylight saving changes Australia (with a little help from researchers at the University of Sydney):

Daylight saving also affects our animals