When Does Advent Begin 2025. The conference notes that the new 2025 liturgical calendar will begin with the first sunday of advent on dec. Advent 2025 begins on sunday, november 30th, starting the celebration season for the birth of jesus christ with the advent season ending on the first mass of christmas (vigil mass) on christmas eve.
It presents christians with the vision of renewal and the possibility of beginning a new journey as the. With the first sunday of advent, we begin a new liturgical year.