August 15th is the day in which the Roman Catholic Church has the solemnity of the Assumption and the Orthodox Church marks the Dormition. In the Anglican faith the Assumption is sometimes celebrated, or more simply it is a celebration of the Blessed Virgin Mary. This celebration is often delayed until September, mainly for practical reasons since congregations and choirs are often absent on holiday in August, and is then merged with the 8th September when the church traditionally marks the birth of Mary.