The following list shows days of commemoration on which the flying of the Australian National Flag and, where appropriate, other flags, is particularly encouraged. Unless noted otherwise, these days are celebrated nationally.

1 January — Anniversary of the establishment of the Commonwealth of Australia

26 January — Australia Day

13 February — Anniversary of the Apology to Members of the Stolen Generations

March, second Monday — Commonwealth Day

21 March — Harmony Day – Harmony Day began in 1999 and celebrates Australia’s success as a diverse society united as one family by a common set of values.

25 April — Anzac Day – Flags are flown at half-mast until noon then at the peak until the usual time for closure of business.

9 May — Anniversary of the inauguration of Canberra as the seat of government (Australian Capital Territory only)

27 May to 3 June — National Reconciliation Week – In recognition of 27 May as the anniversary of the 1967 Referendum which successfully removed from the Constitution clauses that discriminated against Indigenous Australians and 3 June as the anniversary of the High Court decision in the Eddie Mabo land rights case of 1992.

The Australian Aboriginal Flag and the Torres Strait Islander Flag should be flown on additional flagpoles, where available, next to or near the Australian National Flag on Australian Government buildings and establishments.

If there is only one flagpole available, the Australian Aboriginal Flag and the Torres Strait Islander Flag should not replace the Australian National Flag. If there are two flagpoles available, it is at the discretion of the authority concerned to determine which flag should be flown with the Australian National Flag.

June, second Monday — Celebrated as the Queen’s Birthday, except in Queensland and Western Australia, where it is observed later in September or October.

July, nominated week — NAIDOC Week (originally an acronym for National Aboriginal and Islanders’ Day Observance Committee, the acronym has since become the name of the week) – NAIDOC Week is held every year to celebrate and promote a greater understanding of Aboriginal and Torres Strait Islander peoples and culture.

3 September — Australian National Flag Day

17 September – Citizenship Day - Citizenship Day was introduced in 2001 and is an opportunity for all Australians to take pride in our citizenship and reflect on the meaning and importance of being Australian.

24 October — United Nations Day – If there are two or more flagpoles of equal height available, the United Nations Flag should be flown together with the Australian National Flag all day. The Australian National Flag should be flown in the pre-eminent position with the United Nations Flag on the second flagpole for the day. The United Nations Flag should be of the same size as the Australian National Flag.

11 November — Remembrance Day – Flags are flown at the peak from 8:00 am, at half-mast from 10:30 am to 11:02 am, and at the peak again from 11:02 am until the usual time for closure of business.