I need to create a Program which first reads in DD/MM/YYYY as Integer. (I already got that working.)
Then, I need to do a sanity check for the date.
(I managed to do that as well.)
But one problem remains:
I need to enter the day of the week of the 1st of January for a year, e.g. Monday and based on that, the program should calculate the correct weekday for the inputted date.
Are there any functions I could use for this?
Any help would be kindly appreciated!