Kalends (Kal) fell on the first day of the month. Nones (Non) was the 7th of 31 day months March, May, July, and October, and the 5th of other months. Ides (Id) fell on the 15th of 31 day months March, May, July, and October, and on the 13th of other months.
Accordingly today is the Ides of April (13-Apr-2020).