Here are the key dates for 2023 in Victoria.
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- 1 January 2023 – New Year’s Day
- 2 January 2023 – New Year’s Day Public Holiday
- 9 January 2023 – Aintree Group office reopens
- 15 January 2023 – Absentee Owner Surcharge deadline
- 15 January 2023 – Victorian vacant residential land tax notification deadline
- 21 January 2023 – December Monthly BAS due
- 26 January 2023 – Public Holiday (Office Closed)
- 27 January 2023 – Victorian School Term 1 begins
- 28 January 2023 – December quarter Super Guarantee contributions due

- 14 February 2023 – Valentine’s Day
- 21 February 2023 – January Monthly BAS due
- 28 February 2023 – December Quarterly BAS due
- 28 February 2023 – December Quarter PAYG instalment due
- 28 February 2023 – Quarterly Superannuation Guarantee charge statement due

- 6 March – 7 March 2023 – Purim (Jewish Holiday)
- 8 March 2023 – International Women’s Day
- 13 March 2023 – Labour Day Public Holiday
- 21 March 2023 – February Monthly BAS due
- 22 March 2023 – Aintree Group Financial Planning Seminar
- 31 March 2023 – FBT Year Ends

- 2 April 2023 – Daylight Savings ends
- 6 April 2023 – Victorian School Term 1 ends
- 6 – 7 April 2023 – Beginning of Jewish Passover
- 7 April 2023 – Good Friday Public Holiday
- 9 April 2023 – Easter Sunday Public Holiday
- 10 April 2023 – Easter Monday Public Holiday
- 12 – 13 April 2023 – End of Jewish Passover
- 16 April 2023 – Orthodox Easter
- 21 April 2023 – March Monthly BAS due
- 24 April 2023 – Victorian School Term 2 begins
- 25 April 2023 – ANZAC Day Public Holiday

- 14 May 2023 – Mother’s Day
- 21 May 2023 – April Monthly BAS Due
- 25 – 27 May 2023 – Shavuot (Jewish Holiday)

- 12 June 2023 – King’s Birthday Public Holiday
- 21 June 2023 – May Monthly BAS Due
- 23 June 2023 – Victorian School Term 2 ends
- 30 June 2023 – End of Financial Year

- 10 July 2023 – Victorian School Term 3 begins
- 21 July 2023 – June Monthly BAS due
- 26 July 2023 – Aintree Group’s 18th Birthday Celebration

- 14 August 2023 – PAYG withholding payment summary annual report due for lodgement
- 16 August 2023 – Aintree Group Wealth Management Seminar
- 21 August 2023 – July 2023 Monthly Activity Statements due
- 25 August 2023 – June 2023 Quarterly Activity Statements due

- 3 September 2023 – Father’s Day
- 15 September 2023 – Victorian School Term ends
- 15 – 17 September 2023 – Rosh Hashanah (Jewish New Year)
- 21 September 2023 – August Monthly BAS due
- 24 – 25 September 2023 – Yom Kippur (Jewish Holiday)
- 29 September 2023 – Grand Final Friday Public Holiday
- 29 September 2023 – Beginning of Sukkot (Jewish Holiday)

- 1 October 2023 – Daylight Savings starts (2am)
- 2 October 2023 – Victorian School Term 4 begins
- 4 October 2023 – World Financial Planning Day
- 6 October 2023 – End of Sukkot & Hoshanah Rabbah (Jewish Holiday)
- 6 – 8 October 2023 – Shemini Atzeret & Simchat Torah (Jewish Holiday)
- 10 October 2023 – World Mental Health Day
- 11 October 2023 – Aintree Group Estate Planning Seminar
- 14 October 2023 – Voice to Parliament Referendum
- 21 October 2023 – September Monthly BAS due
- 31 October 2023 – Halloween

- 7 November 2023 – Melbourne Cup Public Holiday
- 10 November 2023 – International Accounting Day
- 11 November 2023 – Remembrance Day
- 21 November 2023 – October Monthly BAS due
- 29 November 2023 – Aintree Group Client Christmas Function

- 20 December 2023 – Victorian School Term 4 ends
- 21 December 2023 – November Monthly BAS due
- 21 December 2023 – Aintree Group Office closes for 2023 (5pm)
- 25 December 2023 – Christmas Day
- 26 December 2023 – Boxing Day Public Holiday
- 31 December 2023 – New Year’s Eve