I'm going to start referring to the Kalends, Ides, and Nones when people ask me what day it is so they will stop asking me.
https://www.britannica.com/story/what-is-the-ides-of-march
Encyclopedia Britannica
What Is the “Ides” of March? | BritannicaYou may have heard the phrase “beware the Ides of March,” but what is an Ides and what’s there to fear? The Ides is actually a day that comes about every month, not just in March—according to the ancient Roman calendar, at least.