When Is The First Sunday Of Advent 2025. In 2025, advent begins on sunday, december 1st, and ends on tuesday, december 24th. First sunday of advent lectionary:
The first sunday of advent is also the beginning of the new liturgical year when we transition into a new liturgical cycle. The first sunday of advent marks the beginning of the church year and is a time of reflection and anticipation, not just for the celebration of the birth of christ but also for his.