2026 Key Dates
It’s time to mark your calendars for 2026! Here are some key business, law, tax and celebratory dates in Australia.
Skip to: January | February | March | April | May | June | July | August | September | October | November | December
January
| Thursday 1 January | New Year’s Day (Public holiday) | |
| Thursday 1 January | Aintree Group sponsorship applications open | |
| Thursday 1 January | New merger laws commence | |
| Monday 5 January | Aintree Group office opens for 2026 | |
| Monday 12 January | Aintree Group office opens to visitors for 2026 | |
| Thursday 15 January | Absentee owner surcharge due for land owners |  |
| Wednesday 21 January | December monthly BAS due (if turnover is more than $20 million) | |
| Monday 26 January | Public Holiday (Office closed) | |
| Tuesday 27 – 28 January | Victorian school term 1 begins | |
| Wednesday 28 January | Superannuation guarantee due for employers |
February
| Monday 2 February | 2026 season 3 premier of Plant Grow Reap podcast |
| Monday 9 February | 2026 season 3 premier of Q&A with S&A podcast |
| Saturday 14 February | Valentine’s Day |
| Sunday 15 February | Vacant residential land tax notifications due |
| Tuesday 17 February | Lunar New Year |
| Wednesday 18 February | Ramadan |
| Saturday 21 February | January monthly BAS due |
| Friday 27 February | Female-Focused Financial Empowerment Lunchtime Workshop |
| Saturday 28 February | October-December BAS due (Self-lodged) |
| Saturday 28 February | October-December BAS due (Tax agent) |
| Saturday 28 February | October-December PAYG instalment due |
| Saturday 28 February | Superannuation guarantee charge and statement due |
| Saturday 28 February | Tax deadline for medium/large entities |
March
| Wednesday 4 March | Holi (Hindu festival) | |
| Sunday 8 March | International Women’s Day | |
| Monday 9 March | Labour Day public holiday (Office closed) | |
| Monday 16 – 20 March | Neurodiversity Week | |
| Tuesday 17 March | St Patrick’s Day | |
| Saturday 21 March | February monthly BAS due | |
| Saturday 21 March | Harmony Day | |
| Tuesday 31 March | Fringe Benefits Tax (FBT) year ends | |
April
| Thursday 2 April | Victorian school term 1 ends |
| Friday 3 April | Good Friday public holiday (Office closed) |
| Sunday 5 April | Easter Sunday |
| Sunday 5 April | Daylight savings ends (3:00AM) |
| Monday 6 April | Easter Monday public holiday (Office closed) |
| Sunday 12 April | Orthodox Easter |
| Tuesday 14 April | Be Kind to Lawyers Day |
| Monday 20 April | Victorian school term 2 starts |
| Tuesday 21 April | March monthly BAS due |
| Wednesday 22 April | Administrative Professionals Day |
| Saturday 25 April | ANZAC Day |
| Tuesday 28 April | January-March BAS due (Self-lodged) |
| Tuesday 28 April | January-March PAYG instalment due |
| Tuesday 28 April | Superannuation guarantee due for employers |
May
| Sunday 10 May | Mother’s Day | |
| Friday 15 May | Individual, company and trust tax returns due if using a tax agent | |
| Monday 18 – 24 May | Law Week | |
| Thursday 21 May | April monthly BAS due | |
| Thursday 21 May | FBT return due if self-lodged | |
| Tuesday 26 May | National Sorry Day | |
| Tuesday 26 May | January-March BAS due (Tax agent) | |
| Wednesday 27 May | World Marketing Day | |
| Wednesday 27 May | National Reconciliation Week starts | |
| Thursday 28 May | Superannuation guarantee charge and statement due |
June
| June | Pride Month | |
| Wednesday 3 June | National Reconciliation Week ends | |
| Monday 8 June | King’s Birthday public holiday (Office closed) | |
| Monday 8 – 14 June | Men’s Mental Health Week | |
| Sunday 21 June | May monthly BAS due | |
| Thursday 25 June | FBT return due if using a tax agent | |
| Friday 26 June | Victorian school term 2 ends | |
| Tuesday 30 June | End of Financial Year (EOFY) |
July
| Wednesday 1 July | PayDay Super comes into effect | |
| Wednesday 1 July | AML and CTF obligations start for ‘tranche 2’ sectors | |
| Sunday 5 – 12 July | NAIDOC Week | |
| Monday 13 July | Victorian school term 3 starts | |
| Tuesday 21 July | June monthly BAS due | |
| Tuesday 28 July | April-June BAS due (Self-lodged) | |
| Tuesday 28 July | April-June PAYG instalment due |
August
| Friday 7 August | Aintree Group x Salty Theatre – Financial Success for Artists Workshop | |
| Saturday 8 August | International Cat Day | |
| Friday 14 August | PAYG withholding payment summary annual report due for large withholders | |
| Friday 21 August | July monthly BAS due | |
| Tuesday 25 August | April-June BAS due (Tax agent) | |
| Wednesday 26 August | International Dog Day |
September
| Sunday 6 September | Father’s Day | ||||
| Tuesday 8 September | Wealth Webinar | ||||
| Thursday 10 September | R U OK? Day | ||||
| Friday 18 September | Victorian school term 3 ends | ||||
| Monday 21 September | August monthly BAS due | ||||
| Friday 25 September | AFL Grand Final public holiday (Office closed) |
October
| October | Mental Health Month | ||
| Thursday 1 October | Aintree Group Legal Webinar | ||
| Sunday 4 October | Daylight savings starts (2:00 AM) | ||
| Monday 5 October | Victorian school term 4 starts | ||
| Wednesday 7 October | World Financial Planning Day | ||
| Saturday 10 October | Mental Health Day | ||
| Wednesday 21 October | September monthly BAS due | ||
| Wednesday 28 October | July-September BAS Due (Self-lodged) | ||
| Wednesday 28 October | July-September PAYG instalment due | ||
| Saturday 31 October | Individual, company and trust tax returns due (if not using a tax agent) | ||
| Saturday 31 October | Halloween |
November
| Tuesday 3 November | Melbourne Cup public holiday (Office closed) | ||
| Sunday 8 November | Diwali | | |
| Tuesday 10 November | International Accounting Day | ||
| Wednesday 11 November | Remembrance Day | ||
| Saturday 21 November | October monthly BAS due | ||
| Wednesday 25 November | July-September BAS Due (Tax agent) | ||
| Wednesday 25 November | Client and Community End of Year Function |
December
| Friday 18 December | Victorian school term 4 ends | ||
| Friday 18 December | Aintree Group offices closes for 2026 at 12:00PM | | |
| Sunday 21 December | November monthly BAS due | ||
| Friday 25 December | Christmas Day | ||
| Saturday 26 December | Boxing Day public holiday | ||
| Monday 28 December | Public Holiday | ||
| Thursday 31 December | New Year’s Eve |
