using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        TimeSpan ts= DateTime.Parse("8:00 PM").TimeOfDay; 

        Console.WriteLine(ts);

        var date = new DateTime(1990,1,1); // x,y,z are year.month and date respectivel

var combined = date +  ts;

            Console.WriteLine("Total Number of Seconds: {0}", combined); 

        DateTime d2 = combined.AddMinutes(10);

        Console.WriteLine("Total Number of Seconds: {0}", d2); 

        string _CurrentTime = String.Format("{0:t}", d2);

        Console.WriteLine("Total Number of Seconds: {0}", _CurrentTime); 

    }

}