The king celebrates his first birthday as a monarch when he turns 74.
Charles is expected to celebrate his 74th birthday privately on Monday.
He became king after the queen died on September 8 and has had a busy time since.
As Prince of Wales, he was sometimes away on official overseas tours on his birthday and celebrated it abroad with a cake.
Charles spent the eve of his 74th birthday leading the nation by honoring its war dead at the annual Remembrance Sunday service at the Cenotaph.
Her floral tribute to the dead left at the Whitehall Memorial featured the words “In memory of the glorious dead. Charles R.
Last week Charles was targeted with four eggs during a visit to unveil a statue honoring the late Queen at York Minster.
The King’s milestone on Monday will be marked by the music of the Household Cavalry performing Happy Birthday during the Changing of the Guard ceremony at Buckingham Palace.
Gun salutes will be fired across the capital in honor of his first birthday, with the King’s Troop Royal Horse Artillery firing 41 volleys starting at midday in London’s Green Park, and immediately following the Band of the Scots Guards will perform Happy Birthday in the park.
The King’s Troop is a mounted ceremonial unit of the British Army which fires salutes at royal birthdays and major events such as state visits, and provides a gun carriage and black horse team for funerals. state and military.
An hour later, the Honorable Artillery Company will fire a 62-gun salute at the Tower of London.
The oldest regiment in the army has a demanding operational reconnaissance role in addition to its ceremonial responsibilities.