using System;

public class Program

{

    public static void Main()

    {

         string Logintime = "10-07-2017 09:28:00";

            string Logoutime = "10-07-2017 17:16:22";

            DateTime Logintimedt = DateTime.ParseExact(Logintime,"dd-MM-yyyy HH:mm:ss",null);

            DateTime Logoutimedt = DateTime.ParseExact(Logoutime,"dd-MM-yyyy HH:mm:ss",null);

            DateTime today = DateTime.Today.AddHours(09).AddMinutes(20).AddSeconds(00);

            TimeSpan diff = Logoutimedt.TimeOfDay - Logintimedt.TimeOfDay;

            TimeSpan delay = Logintimedt.TimeOfDay - today.TimeOfDay;

        Console.WriteLine(diff);

        Console.WriteLine(delay);

    }

}