C# DateTime Class example | Age Calculation program in C#

Program

using System;

namespace DateAndStrings

{

    class Program

    {

        private static int CalculateAge(DateTime dateOfBirth)

        {

            int age = 0;

            age = DateTime.Now.Year - dateOfBirth.Year;

            //Console.WriteLine(DateTime.Now.DayOfYear);

            //Console.WriteLine(dateOfBirth.DayOfYear);

            if (DateTime.Now.DayOfYear < dateOfBirth.DayOfYear)

                age = age - 1;

            return age;

        }

        public static void Main(string[] args)

        {

            DateTime dob = Convert.ToDateTime("1993/01/08");

            int age = CalculateAge(dob);

            Console.WriteLine($"Your age is {age}");

            Console.ReadKey();

        }

    }

}

Note:

For better understanding uncomment the 2 lines commented in the above program.

Output

Your age is 26