officers and ten troopers; known as a Short Guard. The ceremony of Changing The King's Life Guard takes place on Horse Guards Parade adjacent to the Horse Guards building. Two mounted sentries guard the entrance to Horse Guards on Whitehall from 10:00 am until 4:00 pm and are changed every hour. There is a dismounted parade at 4:00 pm (described above) and two dismounted sentries remain on duty until 8:00 pm. Gallery References Bibliography Tabor, Paddy, (2010) The Household Cavalry Museum, Ajanta Book Publishing External links Household Cavalry Museum – official site Household Cavalry National government buildings in London War Office Government buildings completed in 1753 Grade I listed buildings in the City of Westminster Grade I listed government buildings Tourist attractions in the City of Westminster William Kent buildings Georgian architecture in the City of Westminster Neoclassical architecture in London Whitehall