Probably not the right spot, but I couldn’t seem to find much for AU timings:
Early Access Beta:
Finishes Tuesday March 21 @ 6am AEST
Open Beta Weekend
Opens Saturday March 25 @ 3am
Closes Tuesday March 28 @ 6am
World Boss Times TBC:
Sunday 26 March: 4am, 6am, 4pm and 6pm
It’s been a blast so far!