States and territories of Australia grouped by timezone offset and daylight savings observation:   UTC+08:00 (year-round)  UTC+09:30 (year-round)  UTC+09:30 (standard time), UTC+10:30 (DST)  UTC+10:00 (year-round)  UTC+10:00 (standard time), UTC+11:00 (DST)
Own work based on: UTC hue4map AUS.png by TZ master at English Wikipedia
Vectorization:  Alhadis