The 12 Days of Christmas is a popular Christmas song and a traditional holiday celebration that originated in England. The 12 days refer to the period between Christmas Day and the Epiphany, which is celebrated on January 6th. The song and the celebration typically involve giving gifts and engaging in festive activities during these 12 days. The song has been popularized in many cultures and countries, with variations on the lyrics and activities depending on local customs and traditions. The 12 Days of Christmas is a beloved part of the Christmas season and is celebrated by many families and communities around the world.