Matt W. is the founder of the Working Day Calculator network and researches and maintains statutory holiday and business deadline tools across Canada, New Zealand, the UK, Ireland, Singapore, and Australia. Articles are verified against official government sources before publication.
Guides and reference articles written for the Australia Working Day Calculator.
Most Australians assume Easter is a four-day public holiday weekend. In WA and Tasmania it is not, and Tasmania has Easter Tuesday instead. That split creates payroll and deadline traps.
It is 21 calendar days, not business days. Miss it by one day and your application is usually out. This deadline catches employees and advisers every year.
A payment claim served one day late can be worth zero. SOPA deadlines are strict, vary by state, and are packed with traps that cost contractors money.
Clear days are not business days. Business days are not court days. And the Federal Court does not count the same way as a state Supreme Court.
Part-day public holidays create genuine confusion for working day calculations and deadline interpretation.
Melbourne Cup Day is statewide by default, yet many regional councils move it to a different local show day.
Regional show days are legitimate public holidays with the same legal status as Christmas or Anzac Day. But they're easy to miss.
Substitute day rules are one of the most misunderstood parts of Australian public holiday law. Get them wrong and you've miscounted your deadline by a day.
Australia has only seven nationally consistent public holidays. Everything else varies by state—and some variations are genuinely surprising.
2026 has Anzac Day on a Saturday and Boxing Day on a Saturday. That alone creates substitute-day chaos across multiple states. Here is every date you need, by jurisdiction.