Originally Posted by macropod

To see how to do this and just about everything else you might want to do with dates in Word, check out my Microsoft Word Date Calculation Tutorial, in the 'Sticky' thread at:
https://www.msofficeforums.com/word/...-tutorial.html
In particular, look at the item titled Calculate the day & date of the last or nth-to-last day of a given month. Do read the document's introductory material.