The Queen holds an investiture at Buckingham Palace. The Duke of Edinburgh, President Emeritus of the World Wide Fund for Nature - WWF-International, attends the Heads of State Conference in Cameroon. Prince Edward, Patron, London Mozart Players, attends a concert and dinner at St James's Palace, to mark the orchestra's 50th anniversary. The Duke of Gloucester visits the Royal Mint, Llantrisant, Mid Glamorgan; and, as Grand Prior, Order of St John, accompanied by The Duchess of Gloucester, Commandant-in-Chief, St John Ambulance Wales, visits Tredegar House, Gwent. The Duke and The Duchess of Gloucester visit Clytha Primary School, Gwent; and attend a special celebration service for the installation of the new Chancellor, St Woolos' Cathedral, Gwent.
Changing of the Guard
The Household Cavalry Mounted Regiment mounts the Queen's Life Guard, Horse Guards, 11am; F Company Scots Guards mounts the Queen's Guard, Buckingham Palace, 11.30am, band provided by the Coldstream Guards.