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Reference Guide

Australia Working Day Rules, Public Holidays & Court Deadlines Guide

Practical Australia guide to public holiday rules, state and territory variations, substitute day provisions, regional show days, court-rule time calculations, SOPA construction deadlines, and business day definitions.

Working Day Calculator for Australia

  • Federal vs State: Australia has no single national public holiday law—each state and territory declares its own holidays.
  • Regional variations: Select your state or territory, and for QLD/NT, choose your local area for accurate show day holidays.
  • Part-day holidays: QLD, SA, and NT have unique part-day public holidays that affect employment entitlements but not working day calculations.
  • Special modes: Court Rules Mode and SOPA mode apply court-specific baselines and, where the governing rule requires it, optional recess controls or shutdown windows.
  • The calculator automatically applies state-specific substitute day rules and regional show day dates.

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Jump straight to the topic you need

The full reference is still available, but you do not need to read it top to bottom. Open the topic that matches your question.

Public Holidays & Variations

Start here for holiday treatment, substitute days, and state or regional differences.

Legal & Business

Open these sections for court-mode logic, SOPA timing, and business-day definitions.

Public Holidays

Australian Public Holidays Overview

At-a-Glance

  • Common core of 8 public holidays observed nationwide on the same date
  • Additional state-specific holidays (Melbourne Cup, Canberra Day, etc.)
  • King's Birthday observed by all states but on different dates
  • Substitute days apply when holidays fall on weekends
  • Regional show days in QLD and NT are gazetted public holidays
Australian public holidays calendar showing state and territory variations

Australia does not have a single national public-holiday code. Each state and territory declares its own holidays, but in practice there is a common national baseline with state, territory, and regional variations layered on top.

National Baseline

8 holidays observed on the same date nationwide

  • New Year's Day
  • Australia Day
  • Good Friday
  • Easter Sunday
  • Easter Monday
  • Anzac Day
  • Christmas Day
  • 26 December holiday: Boxing Day in most jurisdictions, Proclamation Day in SA

What changes by jurisdiction

  • Additional state or territory holidays.
  • Different observance dates for King's Birthday.
  • Regional holidays such as Melbourne Cup Day or show days.
  • Different treatment of Easter Saturday and local replacements.

Two easy places to get caught: Easter Saturday is not uniform across all jurisdictions, and King's Birthday is observed on different dates. Check the selected state before relying on a working-day result.

High-Impact Variations

South Australia

26 December is Proclamation Day rather than Boxing Day, but it functions the same way for working-day counting.

King's Birthday

All jurisdictions observe it, but not on the same date. Queensland and WA are the most common trap points.

Regional holidays

VIC, TAS, QLD, and NT can all change the answer based on metro, regional, or local-area treatment.

View King's Birthday observance dates
State/TerritoryDate
NSW, VIC, SA, TAS, NT, ACTSecond Monday in June
QueenslandFirst Monday in October
Western AustraliaLast Monday in September or first Monday in October (by proclamation)

What this section does not try to do

This section is the national map only. Use State & Territory Variations for the full jurisdiction-by-jurisdiction exceptions, and Regional Show Days for QLD and NT local holiday treatment.

Calculator Tip

Select your state or territory in the calculator to ensure all relevant public holidays are included when counting working days.

For QLD and NT, you can also select your specific local area to include regional show day holidays. For VIC and TAS, regional variations are automatically handled based on your selection.

Frequently Asked Questions

Australia has a common core of 8 public holidays observed nationwide in practice, plus additional state and territory-specific holidays. The total varies by location, typically 10 to 13 days per year once state holidays and regional show days are included. The calculator uses the holiday set for the state or territory you select.

The common core public holidays observed nationwide in practice are: New Year's Day (1 Jan), Australia Day (26 Jan), Good Friday, Easter Monday, Anzac Day (25 Apr), King's Birthday (date varies by state), Christmas Day (25 Dec), and Boxing Day (26 Dec, called Proclamation Day in SA). Most states also observe Easter Saturday, but not all jurisdictions treat it the same way.

Yes. Each state and territory adds extra holidays beyond the national ones. Examples include Melbourne Cup Day (VIC metro), Canberra Day and Reconciliation Day (ACT), and regional show days in QLD and NT. The calculator applies the jurisdiction you pick, including regional show days where relevant.

No. Most states observe the King's Birthday on the second Monday in June, but Queensland observes it in October and Western Australia sets the date by proclamation (usually late September or early October). Always select the correct state to apply the right date.

Under the National Employment Standards (NES), full-time and part-time employees are entitled to be absent on public holidays, unless a reasonable request to work is made and accepted. Awards and agreements often provide penalty rates or an alternative day off in lieu. The calculator focuses on date counting rather than employment entitlements.

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State & Territory Variations

How state and territory differences change the result even when the same dates are entered.

Topic

Substitute Day Rules

Weekend holiday substitution rules and when Monday or later observance changes the count.

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Regional Show Days

Regional show day treatment in Queensland and the Northern Territory where local calendars matter.

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Part-Day Public Holidays

Part-day public holiday rules that affect employment treatment even when they do not act like full closures.

Court Rules

Court Rules Mode (High Court, Federal + State Courts)

At-a-Glance

  • Court rules vary by jurisdiction and sometimes by court level
  • Some profiles use short-period working-day thresholds; others stay on calendar days
  • Court recess windows can suspend or extend deadlines, and some are optional controls
  • Deadlines roll forward when the last day is a non-court day
  • Select the court, and for the High Court select the relevant Registry location
Court rules mode timeline showing mixed working and calendar day counting

Court Rules Mode applies the time calculation rules used by Australian courts, including the High Court, Federal Court, and state and territory courts. These rules often differ from standard business-day counting, especially for short periods, and in some jurisdictions they include fixed recess periods or optional court-vacation controls that affect how time runs.

How Court Time Rules Differ

  • Short vs long periods: Some courts count short periods in working days and longer periods in calendar days, while others stay on calendar days throughout.
  • Thresholds vary: Some jurisdictions use 5-day or 6-day thresholds; others use calendar days for all periods.
  • Non-court days: If the last day falls on a day the court is closed, the deadline typically rolls forward.
  • Recesses vary: Some recess periods are part of the baseline rule, while others only apply to pleadings or appeal notices and must be turned on explicitly.

What Counts as a Non-Court Day

A non-court day is broader than a public holiday. It typically includes weekends, public holidays, and court-declared closure days (for example, registry closures or recess periods). In some profiles, such as the High Court, it depends on whether the selected Registry is open in that State or Territory. These court-specific closures are part of why court time rules differ from standard business-day counting.

Typical Court Time-Counting Patterns

  • Short periods: some profiles switch to working days when the rule sets a threshold.
  • Longer periods: often counted in calendar days, but not every profile has a short-period switch.
  • Last-day rule: if the final day is a non-court day, the deadline rolls forward.

Example Patterns (Illustrative)

  • Federal Court: short periods can be counted in working days, longer periods in calendar days, with roll-forward on non-court days and a summer recess that is excluded from the count.
  • High Court: short periods depend on whether the selected Registry office is open, so you choose the registry location before counting.
  • NSW courts: time computation follows NSW procedural rules, including roll-forward when the final day is a non-court day.
  • NT courts: short periods exclude Registry-closed days, and the fixed 24 Dec to 9 Jan exclusion forms part of the baseline rule.
  • WA superior courts: the court vacation only affects the calculation when the governing rule excludes it for pleadings or notices of appeal.

Jurisdiction matters: The calculator uses the rules for the court you select, including court-specific recess periods and roll-forward behavior. If a recess control is shown, turn it on only when the governing court rule makes it apply; if no control is shown, the profile is using its fixed baseline rule set.

Using Court Rules Mode

  • Select Court Rules Mode in the calculator
  • Choose the relevant jurisdiction and court level or Registry location
  • Turn on any court-recess control only when the governing rule makes it apply
  • Review the rule label shown with the result for the applied method

Frequently Asked Questions

Court Rules Mode applies court-specific day-counting rules for the selected jurisdiction and court level or registry location. It handles short-period thresholds where the selected court uses them, any fixed recess periods in the baseline rule, and roll-forward to the next open court day where required.

No. Thresholds and counting methods vary by jurisdiction and sometimes by court level. Some courts use working days for shorter periods and calendar days for longer periods, while others use calendar days throughout. The calculator applies the rules for the court you select.

Where court rules specify a recess or vacation window, the calculator applies the relevant non-court days or suspensions for that jurisdiction. Some recesses are fixed parts of the selected court rule, some are optional controls you turn on only when the governing rule makes them apply, and some profiles have no separate vacation exclusion at all.

It depends on the selected court rule. Where a profile counts in working days, public holidays for the selected state or territory are excluded. Some profiles instead turn on whether the Registry or court office is open, which can add non-court days beyond the standard public holiday list.

Choose the court and jurisdiction where the matter is filed. If a court has different levels (for example, Supreme or District vs Magistrates), select the level that matches the proceeding because the time rules may differ. For the High Court, select the Registry location because registry-open days vary by location.

A non-court day includes weekends, public holidays, and court-declared closure days (such as registry closures or vacation periods). In some profiles, including the High Court, it depends on whether the selected Registry office is open.

Topic

SOPA Construction Deadlines

Construction adjudication timing rules where a short period and statutory wording drive the outcome.

Topic

Business Day Definition

How contracts and statutes define a business day in Australia, and where that differs from public-holiday logic.