I think it's important to be able to work with mod(%) 12 for some operations on year <--> month relationship. All years have 12 months. For day of the month you need additional logic to handle diferent lengths... and…
I think it's important to be able to work with mod(%) 12 for some operations on year <--> month relationship. All years have 12 months. For day of the month you need additional logic to handle diferent lengths... and…