using System;

public class Program

{

    public static void Main()

    {

        var t = TimeSpan.FromHours(DateTime.Now.Hour);

        Console.WriteLine("Hello World {0}", AddHours(t, 1));

    }

    public static TimeSpan AddHours(TimeSpan timeSpan, int hoursToAdd)

    {

       TimeSpan newSpan = new TimeSpan(0, hoursToAdd, 0, 0);

       return timeSpan.Add(newSpan);

    }

}