An annual festival that rejoices and celebrates the birth of Jesus Christ is called Christmas. It is practiced on the 25th December among billions of people around the world. This festival is preceded by the season of the Nativity Fast or Advent and commences the Christmastide season that remains historically twelve days in the West and peaks in some traditions on the Twelfth Night. The Christmastide consists of octaves. The day of Christmas is a public holiday in most of the nations of the world. It is celebrated religiously by many Christians all around the world. It is also celebrated as a cultural by non-Christians.