🇦🇺 Australia
King's Birthday (Western Australia)
Next observed on Monday, 27 September 2027.
When is King's Birthday (Western Australia) in 2027?
Monday, 27 September 2027
Counting down to King's Birthday (Western Australia)
What King's Birthday (Western Australia) marks

The King's Official Birthday or Queen's Official Birthday is the selected day in most Commonwealth realms on which the birthday of the monarch is officially celebrated in those countries. It does not necessarily correspond to the date of the monarch's actual birth.
Background summarised from Wikipedia — Public holiday in Commonwealth realms, available under CC BY-SA.
King's Birthday (Western Australia) dates: 2027–2031
| Year | Date | Day | Full calendar |
|---|---|---|---|
| 2027 | Monday | Australia 2027 | |
| 2028 | Monday | Australia 2028 | |
| 2029 | Monday | Australia 2029 | |
| 2030 | Monday | Australia 2030 | |
| 2031 | Monday |
Frequently asked
When is King's Birthday (Western Australia) in 2027?
King's Birthday (Western Australia) falls on Monday, 27 September 2027 in Australia.
What day of the week is King's Birthday (Western Australia) 2027?
King's Birthday (Western Australia) 2027 falls on a Monday, 27 September 2027.
When is King's Birthday (Western Australia) in 2028?
King's Birthday (Western Australia) falls on Monday, 25 September 2028.
Where is King's Birthday (Western Australia) observed?
Observed nationally in Australia.
What does King's Birthday (Western Australia) celebrate?
Public holiday in Commonwealth realms. The King's Official Birthday or Queen's Official Birthday is the selected day in most Commonwealth realms on which the birthday of the monarch is officially celebrated in those countries. It does not necessarily correspond to the date of the monarch's actual birth.