The Queen, accompanied by The Duke of Edinburgh, attends a performance of opera and ballet to mark the reopening of the Royal Opera House, Covent Garden, London WC2; Princess Margaret also attends. The Duke of Edinburgh, Patron and Trustee, gives a lunch and chairs a meeting of the UK Trustees of the Duke of Edinburgh's Award at Buckingham Palace. The Duke of York visits Thailand. The Earl of Wessex, Patron, attends a concert given by the London Mozart Players at the Fairfield Halls, Croydon. Princess Alexandra attends a reception for the Royal Tournament at St James's Palace.
Changing of the Guard
The Household Cavalry Mounted Regiment mounts the Queen's Life Guard at Horse Guards, 11am.