Microsoft Office Tutorials and References
In Depth Information
Presidents’ Day occurs on the third Monday in February. This formula calculates Presidents’ Day for
the year in cell A1:
Calculating the date for Easter is difficult because of the complicated manner in which Easter is
determined. Easter Day is the first Sunday after the next full moon occurs after the vernal equinox. I found
these formulas to calculate Easter on the web. I have no idea how they work. They don’t work if your
workbook uses the 1904 date system.
This one is slightly shorter, but equally obtuse:
The last Monday in May is Memorial Day. This formula calculates Memorial Day for the year in cell A1:
Notice that this formula calculates the first Monday in June and then subtracts 7 from the result, to
return the last Monday in May.
The Independence Day holiday always falls on July 4: