Advent Calendar 2025 Begins With B. If 24 december falls on a sunday, it is the fourth sunday in advent for the morning service, and christmas eve for the evening service. Year b began on the 1st sunday of advent in 2023 and now continues in 2024.

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. In most years, advent is a little shorter, depending on which weekday december 25 (christmas!) happens to be that year.