How to calculate the weeks of Advent using Excel’s Weekday Function
As a practical task using previously learned functions, the start date of each week of Advent can be calculated easily. Consider that Advent begins on the fourth Sunday before Christmas. Enter in a cell the date of Christmas and use the WEEKDAY function to calculate when each week of Advent begins.
To calculate when the weeks of Advent begin for 2006:
- In cell B2 enter 12/25/2006.
- Enter in cell B4 this formula to find the first week of Advent: =B2-(WEEKDAY(B2,2))-21.
- Enter this formula in cell B5: =B2-(WEEKDAY(B2,2))-14.
- Enter this formula in cell B6: =B2-(WEEKDAY(B2,2))-7.
- Enter this formula in cell B7: =B2-(WEEKDAY(B2,2)).
