Significance Of Advent Calendar. At first, the days preceding christmas were marked off from december 1 with chalk on believers' doors. Advent marks the beginning of the liturgical year, leading up to the celebration of the birth of jesus christ on christmas day.
Advent, in the christian church calendar, the period of preparation for the celebration of the birth of jesus christ at christmas and also of preparation for the second. An advent calendar is a special calendar used to count down to december 25: