The Ruler will ride riding a horse, close by the Sovereign of Ridges, in his most memorable Lord's Birthday March as ruler on 17 June, Buckingham Royal residence has said.
Their spouses, Camilla, the Sovereign Partner, and the Princess of Grains will watch the service, known as Marching the Variety, from carriages.
The yearly showcase of military grandeur and service in focal London denotes the ruler's true birthday.
It will come only weeks after the Ruler's crowning ceremony on 6 May.
Buckingham Castle likewise uncovered new privileged illustrious colonel jobs of Foot Watchman regiments.
Catherine has been named as colonel of the Irish Watchmen, assuming control over the job from her significant other Ruler William.
Camilla will become colonel of the Grenadier Watchmen. She assumes control over the job from the Duke of York.
In the mean time, Sovereign William will take the colonel of the Welsh Gatekeepers title from his dad.
The display of Marching the Variety has denoted the ruler's true birthday for over 260 years.
In excess of 1,400 warriors will march, with 200 ponies and many armed force performers partaking in a function set apart by military accuracy, horsemanship and flourish.