Tasmania – The Australian Island State More than other state in Australia, Tasmania takes pleasure in 4 unique seasons, each with its their own unique qualities. Tasmania is the southernmost of the 8 Australian states and places, and gets a bang out of over 15 hours of daytime on the summertime solstice (22 December). On the other hand, Tasmania gets less daytime than mainland Australian states and areas in winter season. Tasmania is the southernmost of the 8 Australian states and areas, and delights in over 15 hours of daytime on the summertime season solstice (22 December). On the other hand, Tasmania gets less daytime than mainland Australian states and areas in winter.