Revel Advent Calendar 2025 Dates. Advent 2024 begins on sunday, december 1st, starting the celebration season for the birth of jesus christ with the advent season ending on the first mass of christmas (vigil. First sunday of advent 2021:
The first sunday of advent is also the beginning of the new liturgical year when we transition into a new liturgical cycle. Thursday in the 1หขแต week of advent.