The states and territories in Australia that observe daylight saving time are:
- New South Wales (NSW)
- Victoria (VIC)
- South Australia (SA)
- Tasmania (TAS)
- Australian Capital Territory (ACT)
These regions advance their clocks by one hour typically from the first Sunday in October to the first Sunday in April. The states and territories that do not observe daylight saving time include:
- Queensland (QLD)
- Western Australia (WA)
- Northern Territory (NT)
Additionally, some external territories like Norfolk Island observe daylight saving, but others like Christmas Island and the Cocos Islands do not.
