No fixed national public holiday falls in May outside Queensland and the Northern Territory. 4 May 2029 sits between the ANZAC Day cluster in April and the King's Birthday long weekend that most states observe in June, in the middle of an otherwise unbroken run of working weeks across the majority of the country.
Friday 4 May 2029 is the last working day of the standard Monday-to-Friday week, the fifth and final working day before the weekend begins. A public holiday landing on this day of the week joins directly onto the Saturday and Sunday that follow it, forming a three-day weekend without using any annual leave.
A public holiday that falls on a Monday or a Friday produces a three-day weekend without using any annual leave, which is why long-weekend planning around 4 May 2029 depends on which day of the week the nearest public holiday falls on. A midweek holiday delivers no such automatic extension, though many workers bridge it with a single day of leave.