How many time zones does Australia have?

Australia has 5 time zones.

Some of them switch to daylight saving time in summer, so the number of hours between them can change during the year.

UTC offsetTime nowZone includes
UTC+8Perth
Western Australia (most areas)
UTC+8:45Eucla
Western Australia (Eucla)
UTC+9:30Darwin
Northern Territory
UTC+9:30 / UTC+10:30 (summer)Broken Hill, Adelaide
New South Wales (Yancowinna); South Australia
UTC+10Brisbane, Lindeman
Queensland (most areas); Queensland (Whitsunday Islands)
UTC+10 / UTC+11 (summer)Macquarie, Hobart, Melbourne, Sydney
Macquarie Island; Tasmania; Victoria
UTC+10:30 / UTC+11 (summer)Lord Howe
Lord Howe Island

Some areas share a standard offset but follow different daylight saving rules, so the table lists 7 separate clock settings. The count is based on standard (winter) time. The full list covers every country.