Michaelmas Day is a day honoring the Saint Michael the Archangel. It is celebrated every year on September 29.
Also known as the Day of St. Michael and All Angels, is a great festival of the Church of Rome, and also observed as a feast by the Church of England.
Michaelmas Day is also known as Feast of Saints Michael, Gabriel, Uriel and Raphael, the Feast of the Archangels, or the Feast of Saint Michael and All Angels.
In Christian world, Michael is regarded as the chief of angels, or archangel and is honored for defeating Lucifer in the war in heaven. His history however is obscure. He is mentioned in the Scriptures five times, and always in a warlike character; namely, thrice by Daniel as fighting for the Jewish church against Persia; once by St. Jude as fighting With the devil about the body of Moses; and once by St. John as fighting at the head of his angelic troops against the dragon and his host.
In United Kingdom and Ireland Michaelmas Day is one of the quarter days others being – Lady Day (25 March), Midsummer Day (24 June) and Christmas (25 December).