Identify Last Day of Month

So, first of all, we will schedule cron on the 28,28,29 and 31’st of each month. Now find out if today is the last day of the month. To find it check if the next day is 01’st of the next day and then only execute any command. Below command will return the date of the next day. Now check if tomorrow is 01. If the next day is 01 then above command will print “True” on screen. Here you can use the above script in crontab and change echo with your command.

Schedule Cron to Run Last Day of Month

Use the following cron format to run a cron at last day of every month. Here you can change the hours, minutes and script to be executed by cron.