On Sunday, 14 January 2024 HRH The Crown Prince assumes the Danish throne as His Majesty King Frederik the 10th. At the same time, HRH The Crown Princess will be known as Her Majesty Queen Mary. The Royal Couple will hereafter bear the title The King and The Queen of Denmark.
HRH Prince Christian becomes the heir to the throne and will be referred to as HRH Crown Prince Christian.
After the succession to the throne, HM The Queen will continue to be Majesty and bear the title HM Queen Margrethe.
Read more on the website of the Royal House.