static void Main(string[] args)
{
Console.WriteLine("Hello World!");
CountDownTimer timer = new CountDownTimer(new TimeSpan(0, 0, 4, 0));
timer.Start();
Thread.Sleep(2000);
Console.WriteLine(timer.Remaining());
Thread.Sleep(4000);
Console.WriteLine(timer.Remaining());
Console.WriteLine("Enter any key...");
Console.ReadKey();
CountDownTimer timer1 = new CountDownTimer(new TimeSpan(0, 0, 4, 0));
timer1.Start();
Thread.Sleep(2000);
Console.WriteLine(timer1.Remaining());
Thread.Sleep(4000);
Console.WriteLine(timer1.Remaining());
Console.WriteLine("Enter any key....");
Console.ReadKey();
}