The Prince of Wales, on behalf of The Queen, holds an Investiture at Buckingham Palace. The Duke of Edinburgh, Master of Trinity House, attends a ceremony at North Foreland Lighthouse, Kent, to mark the completion of the Corporation's automation programme of manned Trinity House Lighthouses. The Prince of Wales, President, visits the Royal College of Music, London SW7. The Princess Royal, President, British Horse Society, attends their Awards Luncheon at Saddlers' Hall, London EC2; as President, British Knitting and Clothing Export Council, visits Guide Clothing, London E1; and as Chancellor, London University, attends a Dinner at the Great Hall, King's College London, London WC2. The Duke of Gloucester, Honorary Freeman and Liveryman, the Worshipful Company of Masons, presents the Craft Awards at Mercers' Hall, London EC2; and presents the International Building Press Journalism Awards at the Four Seasons Hotel, London W1. The Duchess of Gloucester opens the Young Men's Christian Association's Residential and Training Centre, High Wycombe, Buckinghamshire; and visits the Royal Grammar School, High Wycombe. The Duke of Kent visits Dinnington Comprehensive School, Dinnington, South Yorkshire; visits the Valley Health Suite, Stocksbridge, Sheffield; visits Sheffield Forgemasters (Engineering) Limited, Sheffield; visits Sanderson Electronics, Sheffield; and visits South Yorkshire Fire Service Training Centre, Sheffield. Princess Alexandra attends a reception at St James's Palace, to mark the 25th Anniversary of her Patronage of the People's Dispensary for Sick Animals.
Changing of the Guard
The Household Cavalry Mounted Regiment mounts the Queen's Life Guard at Horse Guards, 11am; 1st Battalion The Duke of Wellington's Regiment mounts the Queen's Guard, at Buckingham Palace, 11.30am, band provided by the Coldstream Guards.