Upon their arrival, The King and Queen were escorted by the Royal Mace of 1663, a gift from King Charles II acknowledging the island's loyalty to the Crown.
In his address to the Assembly, The King expressed gratitude for the warm welcome extended to them and the assurances of allegiance to the Crown.
He fondly recalled their previous visit in 2012 and the affection shown towards his late mother during the Diamond Jubilee celebration.
The King noted the historical significance of standing at the spot where his accession proclamation was read, along with those of his mother and King Charles II.
The King highlighted Jersey's longstanding connection to the Crown and blessed the Assembly's deliberations for the island's prosperity.
A Royal Gun Salute was fired at People’s Park by the 1781 Militia.
Their Majesties also learned about the island’s agriculture, fishing, and aquaculture industries on their journey towards sustainability.
Later, The King presented the New Colour to the Jersey Sea Cadets, who provide maritime training for children aged 10 to 18.
Their visit included observing a march past and joining a community tea party in Liberation Square.
In Guernsey, The King and Queen attended a Special Sitting of the States of Deliberation and engaged with local exhibitors and groups.
The Queen toured Victor Hugo's Hauteville House, where she viewed the author's literary works.
The day concluded with Their Majesties granting a Royal Title to the rare Golden Guernsey Goats, a local breed considered at risk.
They met with delegations from Alderney and Sark, appreciating the cultural and historical aspects of each island.
Alderney's delegation highlighted the island's voluntary sector, while Sark's delegation included a performance in the native Sercquaise language, including a rendition of 'Happy Birthday' for Her Majesty.