How do I script to change the name of my columns, presently dates, to just the day?
I want to change just the numeric continuous columns in my sheet which are presently full dates and are in order from 1st to 31st to just the day ex 03/01/2020 to 103/02/2020 to 2 I would also like to add a column to my sheet with the Abbv Name of the Month. Thanks in advance