When Does Advent 2024 Begin Date. Marking the beginning of the christian liturgical year across many different western churches, and initiating the period of preparation and celebration of the nativity of jesus at christmas, advent. Advent begins on sunday, december 1, 2024.

Monday in the 1ˢᵗ week of advent. According to present usage, advent is a period beginning with the sunday nearest to the feast of saint andrew the apostle.