How many gun-firings salute the Queen's Birthday at the Tower of London?
21-gun salute in a single salute — 124 are fired whenever the Duke of Edinburgh's birthday (62 rounds) coincides with the Saturday designated as the Queen's official birthday (also 62 rounds). Gun salutes occur on: Gun salutes also occur when Parliament is prorogued by the Queen, on royal births and when a visiting head of state meets the Queen in London, Windsor or Edinburgh. A Royal Salute of 21 Guns is fired at Edinburgh Castle in honour of The Queen or Her Personal Representative, the High Commissioner (female) or Lord High Commissioner (male), when processing in state to the Opening of the
21-gun salute Horse Artillery. The first round is fired at noon (11am on The Queen's official birthday). At the Tower of London, the salute is fired by the Honourable Artillery Company at 1pm. Salutes in Northern Ireland are usually fired from Hillsborough Castle by 206 (Ulster) Battery, although recently they have also been fired from HMS "Caroline" in Belfast Harbour. 19-gun salutes are used for Field Marshals, ambassadors, and the heads of executive branch of Parliamentary governments (i.e. Prime Ministers). At 6am annually, in the market town of Lewes, a mortar is fired from the battlements to mark when Guy Fawkes was