ASX trading hours

Equity market phases (Sydney times)
7am – 10amPre-open
10am*Open
10am – 4pmNormal Trading
4pm – 4:10pmPre CSPA
4:10pm – 4:12pmClosing Single Price Auction
4:12pm – 4:42pmAdjust
4:42pm – 6:50pmAdjust ON
6:50pm – 6:59pmPurge Orders
6:59pm – 7pmSystem Maintenance
7pm – 7:30pmClose
7:30pm – 2:25amSystem Unavailable
2:25am – 7:00amClose
Source: https://www.commsec.com.au/support/frequently-asked-questions/144.html#:~:text=Normal%20Trading%20takes%20place%20from,Priority%20on%20a%20continuous%20basis.