The Twelve Days of Christmas, also known as Twelvetide, is a festive Christian season celebrating the Nativity of Jesus. In some Western ecclesiastical traditions, "Christmas Day" is considered the "First Day of Christmas" and the Twelve Days are 25 December to 5 January, inclusive, with 6 January being a "thirteenth day" in some traditions and languages. However, 6 January is sometimes considered Twelfth Day/Twelfth Night with the Twelve Days "of" Christmas actually after Christmas Day from 2