King'S Birthday 2025 Nsw Activities. Australians celebrate the king’s birthday (previously known as the queen’s birthday) with a public holiday (and long weekend) on monday, june 9th, 2025. The date varies across states and territories.
New south wales public holidays 2025 (nsw) in addition to national holidays, nsw observes a few. This means that the king’s birthday 2025 will fall on the 9th june.