As Australia is such a vast country, it has three official time zones.

	State	Standard Time	Daylight saving	Daylight Saving Time
ACT	Australian Capital Territory	GMT+10	GMT+11	YES
NSW	New South Wales	GMT+10	GMT+11	YES
NT	Northern Territory	GMT+9:30	NA	NA
QLD	Queensland	GMT+10	NA	NA
SA	South Australia	GMT+9:30	GMT+10:30	YES
TAS	Tasmania	GMT+10	GMT+11	Standard Time  until 1st Sunday in October
VIC	Victoria	GMT+10	GMT+11	YES
WA	Western Australia	GMT+8	GMT+9	YES