Enter 32 in the Day of Month to poll on the last day of every month.
Enter 31 to poll only on months with 31 days on the 31st of the month.
Enter 30 to poll only on months with 30 days or more on the 30th of the month.
Enter 29 to poll only on months with 29 days or more on the 29th of the month.
Enter 28 to poll every month on the 28th.
Set the Day of the Month