"Ryan Oakley" wrote:
> Does that mean i shouldn't even bother checking if they are valid?
The dates (the inputs) will be valid dates in the correct format.
You do not need to check/verify them.
> And I'm not quite sure what "successive dates" means in the sentence "Successive > dates are considered to be one day apart". does it mean two dates which are the same?
It means that one date follows the other (on a calendar).
Such as 16/04/2020 and 17/04/2020; 17/04/2020 and 16/04/2020; 30/04/2020 and 01/05/2020.