Commonwealth Day is celebrated every year by the 56 Commonwealth member countries on the second Monday in March. This year it falls on Monday, 10 March 2025.
The theme for Commonwealth Day 2025 is ‘Together We Thrive’. This year’s theme celebrates the enduring spirit of the Commonwealth family – 56 independent member countries united by shared values enshrined in the Commonwealth Charter.
Further information about Commonwealth Day 2025 is available on the Commonwealth website.
In accordance with Australian flag protocol, all Australian Government departments and associated portfolio agencies should fly or display the Australian National Flag all day on Monday, 10 March 2025.
State, territory and local government agencies as well as non-government organisations are also welcome to participate.
The financial and staffing implications arising from public holiday flag marshal duties are the responsibility of each organisation.
Information on flag protocol is available the Department's website.
Your assistance is appreciated.
Commonwealth Flag Officer