Australian Finance Calendar

See Australia's key financial dates for 2026 and 2027 — ATO lodgement and BAS deadlines, superannuation dates, RBA cash rate decisions and ABS CPI releases in one calendar.

September 2026

Tuesday 16 June

TimeEventImpactActualPrevious

Monetary Policy Board announces the cash rate target at 2:30pm AEST on day 2 of the 15–16 June meeting.

Source · RBAWho · Mortgage holders & saversCategory · Interest rates
Mortgage calculator
AUAll day
RBA cash rate decision
Interest rates · Mortgage holders & savers

Monetary Policy Board announces the cash rate target at 2:30pm AEST on day 2 of the 15–16 June meeting.

Source · RBA ↗
Mortgage calculator

Wednesday 24 June

TimeEventImpactActualPrevious

ABS publishes the May 2026 Consumer Price Index at 11:30am AEST. CPI is the inflation measure used by the RBA in its 2–3% inflation target.

Source · ABSWho · Mortgage holders & saversCategory · Inflation
Inflation calculator
AUAll day
CPI inflation data: May 2026
Inflation · Mortgage holders & savers

ABS publishes the May 2026 Consumer Price Index at 11:30am AEST. CPI is the inflation measure used by the RBA in its 2–3% inflation target.

Source · ABS ↗
Inflation calculator

Tuesday 30 June

TimeEventImpactActualPrevious

Final day of the 2025–26 Australian financial year. Last day to make tax-deductible super contributions, prepay deductible expenses, and realise capital gains or losses for the current tax year.

Source · ATOWho · All taxpayersCategory · Tax
Income tax calculator
AUAll day
End of 2025–26 financial year
Tax · All taxpayers

Final day of the 2025–26 Australian financial year. Last day to make tax-deductible super contributions, prepay deductible expenses, and realise capital gains or losses for the current tax year.

Source · ATO ↗
Income tax calculator

Wednesday 1 July

TimeEventImpactActualPrevious

New financial year begins. Payday Super takes effect: employers must pay Super Guarantee contributions that reach employees' super funds within 7 business days of each payday, replacing the quarterly model. The Super Guarantee rate is 12%, calculated on an employee's qualifying earnings (the new earnings base that replaces ordinary time earnings from 1 July 2026).

Source · ATOWho · Employees & employersCategory · Tax
Super calculator

New Default Market Offer electricity prices in force for households and small businesses on standing offer contracts in NSW, South East Queensland and South Australia. The DMO acts as a price safety net and reference price.

Source · AERWho · NSW, SEQ, SA householdsCategory · Bills & utilities
AUAll day
Start of 2026–27 FY + Payday Super begins
Tax · Employees & employers

New financial year begins. Payday Super takes effect: employers must pay Super Guarantee contributions that reach employees' super funds within 7 business days of each payday, replacing the quarterly model. The Super Guarantee rate is 12%, calculated on an employee's qualifying earnings (the new earnings base that replaces ordinary time earnings from 1 July 2026).

Source · ATO ↗
Super calculator
AUAll day
AER Default Market Offer 2026–27 takes effect
Bills & utilities · NSW, SEQ, SA households

New Default Market Offer electricity prices in force for households and small businesses on standing offer contracts in NSW, South East Queensland and South Australia. The DMO acts as a price safety net and reference price.

Source · AER ↗

Tuesday 28 July

TimeEventImpactActualPrevious

Last day to lodge and pay the Q4 2025–26 Business Activity Statement (1 April – 30 June). Also the final quarterly Super Guarantee due date – contributions for the April–June quarter must reach employee super funds.

Source · ATOWho · Businesses & employersCategory · Tax
GST calculator
AUAll day
Q4 BAS + final quarterly Super Guarantee
Tax · Businesses & employers

Last day to lodge and pay the Q4 2025–26 Business Activity Statement (1 April – 30 June). Also the final quarterly Super Guarantee due date – contributions for the April–June quarter must reach employee super funds.

Source · ATO ↗
GST calculator

Wednesday 29 July

TimeEventImpactActualPrevious

ABS publishes the June 2026 Consumer Price Index at 11:30am AEST. The June release also includes updated quarterly CPI data (Jun quarter) used for indexation and contract calculations.

Source · ABSWho · Mortgage holders & saversCategory · Inflation
Inflation calculator
AUAll day
CPI inflation data: June 2026 + Jun quarter
Inflation · Mortgage holders & savers

ABS publishes the June 2026 Consumer Price Index at 11:30am AEST. The June release also includes updated quarterly CPI data (Jun quarter) used for indexation and contract calculations.

Source · ABS ↗
Inflation calculator

Tuesday 11 August

TimeEventImpactActualPrevious

Monetary Policy Board announces the cash rate target at 2:30pm AEST, published alongside the quarterly Statement on Monetary Policy with updated inflation, growth and employment forecasts.

Source · RBAWho · Mortgage holders & saversCategory · Interest rates
Mortgage calculator
AUAll day
RBA cash rate decision + SMP
Interest rates · Mortgage holders & savers

Monetary Policy Board announces the cash rate target at 2:30pm AEST, published alongside the quarterly Statement on Monetary Policy with updated inflation, growth and employment forecasts.

Source · RBA ↗
Mortgage calculator

Wednesday 26 August

TimeEventImpactActualPrevious

ABS publishes the July 2026 Consumer Price Index at 11:30am AEST.

Source · ABSWho · Mortgage holders & saversCategory · Inflation
Inflation calculator
AUAll day
CPI inflation data: July 2026
Inflation · Mortgage holders & savers

ABS publishes the July 2026 Consumer Price Index at 11:30am AEST.

Source · ABS ↗
Inflation calculator

Tuesday 29 September

1 event
TimeEventImpactActualPrevious
All dayAURBA cash rate decisionInterest rates · Mortgage holders & savers

Monetary Policy Board announces the cash rate target at 2:30pm AEST on day 2 of the 28–29 September meeting.

Source · RBAWho · Mortgage holders & saversCategory · Interest rates
Mortgage calculator
AUAll day
RBA cash rate decision
Interest rates · Mortgage holders & savers

Monetary Policy Board announces the cash rate target at 2:30pm AEST on day 2 of the 28–29 September meeting.

Source · RBA ↗
Mortgage calculator

Wednesday 30 September

1 event
TimeEventImpactActualPrevious

ABS publishes the August 2026 Consumer Price Index at 11:30am AEST.

Source · ABSWho · Mortgage holders & saversCategory · Inflation
Inflation calculator
AUAll day
CPI inflation data: August 2026
Inflation · Mortgage holders & savers

ABS publishes the August 2026 Consumer Price Index at 11:30am AEST.

Source · ABS ↗
Inflation calculator

Wednesday 28 October

TimeEventImpactActualPrevious

Lodge and pay the Q1 2026–27 Business Activity Statement (1 July – 30 September). The due date is 28 days after the end of the quarter.

Source · ATOWho · BusinessesCategory · Tax
GST calculator

ABS publishes the September 2026 Consumer Price Index at 11:30am AEDT, including quarterly CPI for the Sep quarter. Same day as the Q1 BAS deadline.

Source · ABSWho · Mortgage holders & saversCategory · Inflation
Inflation calculator
AUAll day
Q1 BAS deadline
Tax · Businesses DUE IN 42 DAYS

Lodge and pay the Q1 2026–27 Business Activity Statement (1 July – 30 September). The due date is 28 days after the end of the quarter.

Source · ATO ↗
GST calculator
AUAll day
CPI inflation data: September 2026 + Sep quarter
Inflation · Mortgage holders & savers

ABS publishes the September 2026 Consumer Price Index at 11:30am AEDT, including quarterly CPI for the Sep quarter. Same day as the Q1 BAS deadline.

Source · ABS ↗
Inflation calculator

Saturday 31 October

TimeEventImpactActualPrevious

Final day to lodge the 2025–26 individual tax return if self-lodging. Taxpayers lodging through a registered tax agent may be eligible for an extended due date if the agent is engaged before this date.

Source · ATOWho · IndividualsCategory · Tax
Tax return calculator
AUAll day
Individual tax return deadline
Tax · Individuals DUE IN 45 DAYS

Final day to lodge the 2025–26 individual tax return if self-lodging. Taxpayers lodging through a registered tax agent may be eligible for an extended due date if the agent is engaged before this date.

Source · ATO ↗
Tax return calculator

Tuesday 3 November

TimeEventImpactActualPrevious

Monetary Policy Board announces the cash rate target at 2:30pm AEDT, published alongside the November Statement on Monetary Policy.

Source · RBAWho · Mortgage holders & saversCategory · Interest rates
Mortgage calculator
AUAll day
RBA cash rate decision + SMP
Interest rates · Mortgage holders & savers

Monetary Policy Board announces the cash rate target at 2:30pm AEDT, published alongside the November Statement on Monetary Policy.

Source · RBA ↗
Mortgage calculator

Wednesday 25 November

TimeEventImpactActualPrevious

ABS publishes the October 2026 Consumer Price Index at 11:30am AEDT.

Source · ABSWho · Mortgage holders & saversCategory · Inflation
Inflation calculator
AUAll day
CPI inflation data: October 2026
Inflation · Mortgage holders & savers

ABS publishes the October 2026 Consumer Price Index at 11:30am AEDT.

Source · ABS ↗
Inflation calculator

Tuesday 8 December

TimeEventImpactActualPrevious

Monetary Policy Board announces the cash rate target at 2:30pm AEDT on day 2 of the 7–8 December meeting. Final meeting of 2026.

Source · RBAWho · Mortgage holders & saversCategory · Interest rates
Mortgage calculator
AUAll day
RBA cash rate decision
Interest rates · Mortgage holders & savers

Monetary Policy Board announces the cash rate target at 2:30pm AEDT on day 2 of the 7–8 December meeting. Final meeting of 2026.

Source · RBA ↗
Mortgage calculator

Tuesday 9 February

TimeEventImpactActualPrevious

First Monetary Policy Board decision of 2027 at 2:30pm AEDT on day 2 of the 8–9 February meeting, with the February Statement on Monetary Policy.

Source · RBAWho · Mortgage holders & saversCategory · Interest rates
Mortgage calculator
AUAll day
RBA cash rate decision + SMP
Interest rates · Mortgage holders & savers

First Monetary Policy Board decision of 2027 at 2:30pm AEDT on day 2 of the 8–9 February meeting, with the February Statement on Monetary Policy.

Source · RBA ↗
Mortgage calculator

Wednesday 24 February

TimeEventImpactActualPrevious

ABS publishes the January 2027 Consumer Price Index at 11:30am AEDT. This release includes the updated CPI weights for 2027. From this release onwards, CPI moves from the last Wednesday to the fourth Wednesday of each month.

Source · ABSWho · Mortgage holders & saversCategory · Inflation
Inflation calculator
AUAll day
CPI inflation data: January 2027 + new weights
Inflation · Mortgage holders & savers

ABS publishes the January 2027 Consumer Price Index at 11:30am AEDT. This release includes the updated CPI weights for 2027. From this release onwards, CPI moves from the last Wednesday to the fourth Wednesday of each month.

Source · ABS ↗
Inflation calculator

Sunday 28 February

TimeEventImpactActualPrevious

Lodge and pay the Q2 2026–27 Business Activity Statement (1 October – 31 December). The Q2 due date is 28 February, later than the standard 28-days-after-quarter pattern.

Source · ATOWho · BusinessesCategory · Tax
GST calculator
AUAll day
Q2 BAS deadline
Tax · Businesses DUE IN 165 DAYS

Lodge and pay the Q2 2026–27 Business Activity Statement (1 October – 31 December). The Q2 due date is 28 February, later than the standard 28-days-after-quarter pattern.

Source · ATO ↗
GST calculator

Tuesday 23 March

TimeEventImpactActualPrevious

Monetary Policy Board announces the cash rate target at 2:30pm AEDT on day 2 of the 22–23 March meeting.

Source · RBAWho · Mortgage holders & saversCategory · Interest rates
Mortgage calculator
AUAll day
RBA cash rate decision
Interest rates · Mortgage holders & savers

Monetary Policy Board announces the cash rate target at 2:30pm AEDT on day 2 of the 22–23 March meeting.

Source · RBA ↗
Mortgage calculator

Wednesday 31 March

TimeEventImpactActualPrevious

The Fringe Benefits Tax year runs from 1 April to 31 March. This is the final day of the FBT year ending 31 March 2027. Employers reporting fringe benefits must finalise their records for the year.

Source · ATOWho · EmployersCategory · Tax
AUAll day
End of FBT year (ending 31 March 2027)
Tax · Employers

The Fringe Benefits Tax year runs from 1 April to 31 March. This is the final day of the FBT year ending 31 March 2027. Employers reporting fringe benefits must finalise their records for the year.

Source · ATO ↗

Wednesday 28 April

TimeEventImpactActualPrevious

Lodge and pay the Q3 2026–27 Business Activity Statement (1 January – 31 March).

Source · ATOWho · BusinessesCategory · Tax
GST calculator
AUAll day
Q3 BAS deadline
Tax · Businesses DUE IN 224 DAYS

Lodge and pay the Q3 2026–27 Business Activity Statement (1 January – 31 March).

Source · ATO ↗
GST calculator

Tuesday 4 May

TimeEventImpactActualPrevious

Monetary Policy Board announces the cash rate target at 2:30pm AEST on day 2 of the 3–4 May meeting, with the quarterly Statement on Monetary Policy.

Source · RBAWho · Mortgage holders & saversCategory · Interest rates
Mortgage calculator
AUAll day
RBA cash rate decision + SMP
Interest rates · Mortgage holders & savers

Monetary Policy Board announces the cash rate target at 2:30pm AEST on day 2 of the 3–4 May meeting, with the quarterly Statement on Monetary Policy.

Source · RBA ↗
Mortgage calculator

Tuesday 1 June

TimeEventImpactActualPrevious

The ATO applies indexation to all HELP debts (HECS, FEE-HELP, OS-HELP, SA-HELP) older than 11 months. The rate is the lower of CPI or Wage Price Index. Voluntary repayments must be processed before this date to reduce the indexed balance.

Source · Study AssistWho · GraduatesCategory · Tax
HECS/HELP calculator
AUAll day
HECS/HELP indexation applied
Tax · Graduates DUE IN 258 DAYS

The ATO applies indexation to all HELP debts (HECS, FEE-HELP, OS-HELP, SA-HELP) older than 11 months. The rate is the lower of CPI or Wage Price Index. Voluntary repayments must be processed before this date to reduce the indexed balance.

HECS/HELP calculator

Tuesday 22 June

TimeEventImpactActualPrevious

Monetary Policy Board announces the cash rate target at 2:30pm AEST on day 2 of the 21–22 June meeting. Final FY 2026–27 meeting.

Source · RBAWho · Mortgage holders & saversCategory · Interest rates
Mortgage calculator
AUAll day
RBA cash rate decision
Interest rates · Mortgage holders & savers

Monetary Policy Board announces the cash rate target at 2:30pm AEST on day 2 of the 21–22 June meeting. Final FY 2026–27 meeting.

Source · RBA ↗
Mortgage calculator

Wednesday 30 June

TimeEventImpactActualPrevious

Final day of the 2026–27 Australian financial year. Last day to make tax-deductible super contributions, prepay deductible expenses, and realise capital gains or losses for the 2026–27 tax year.

Source · ATOWho · All taxpayersCategory · Tax
Income tax calculator
AUAll day
End of 2026–27 financial year
Tax · All taxpayers DUE IN 287 DAYS

Final day of the 2026–27 Australian financial year. Last day to make tax-deductible super contributions, prepay deductible expenses, and realise capital gains or losses for the 2026–27 tax year.

Source · ATO ↗
Income tax calculator

This calendar is for educational purposes only and does not constitute financial advice. Dates are sourced from publicly published official schedules and remain subject to change by the issuing authority. Entries marked DATE TBC follow the authority's usual cycle but are not yet confirmed, and are never included in calendar exports. Always refer to the official source linked on each event before acting on any date listed, and seek independent financial advice.

Official sources: RBA ATO ABS AER

Statutory deadlines and release dates verified July 2026