Australia Business Day Calculator
Calculate business days in Australia with national public holidays pre-configured. This calculator automatically excludes Australia Day, Good Friday, Easter Monday, ANZAC Day, Christmas Day, and other nationally recognised public holidays. Use it for Australian contract timelines, ATO deadlines, employment notice periods, and any business deadline governed by Australian working day conventions.
How Australian Business Days Are Defined
In Australia, business days are Monday through Friday, excluding national public holidays. The calculator covers national public holidays gazetted by the Australian federal government. Each state and territory also observes additional holidays, such as the Melbourne Cup Day in Victoria, Show Day in various states, and different dates for the King's Birthday holiday, which are not included here. For state-specific deadline calculations, verify the applicable state holiday schedule.
Australian National Public Holidays
National public holidays in Australia:
- New Year's Day (January 1)
- Australia Day (January 26)
- Good Friday
- Easter Saturday
- Easter Sunday
- Easter Monday
- Anzac Day (April 25)
- Christmas Day (December 25)
- Boxing Day (December 26)
The King's Birthday holiday is observed nationally but on different dates by state; the calculator uses the most commonly observed date. How we determine holidays →
Common Use Cases in Australia
The Corporations Act 2001 and the ASIC Regulatory Guides frequently reference business days for disclosure, lodgment, and response deadlines. The Australian Consumer Law gives consumers specific business-day windows for repair, replacement, or refund disputes. Construction contracts under AS 4000 and AS 2124 define business days explicitly and those definitions should be checked against state-specific holidays.
For informational purposes only
This calculator provides general estimates based on business day counting rules. It does not constitute legal advice. Deadlines in legal, regulatory, or contractual matters may be subject to jurisdiction-specific rules, court orders, or statutory exceptions. Always verify critical deadlines with a qualified professional.