How would you calculate the age in C# using date of birth (considering leap years)

Question

Here is a problem. I have seen many solutions, but no one seems to be fulfilling the criteria I want...

I want to display the age in this format

20 y         


        

Answer 1

static int AgeInYears(DateTime birthday, DateTime today)
{
    return ((today.Year - birthday.Year) * 372 + (today.Month - birthday.Month) * 31 + (today.Day - birthday.Day)) / 372;
}