Stop Watch C#

Program.cs

using System.Diagnostics;

var stopWatch = new Stopwatch();
stopWatch.Start();

//Tasks.Run();

var ts = stopWatch.Elapsed;

// Format and display the TimeSpan value.
string elapsedTime = String.Format("{0:00}:{1:00}:{2:00}.{3:000}",
    ts.Hours, ts.Minutes, ts.Seconds,
    ts.Milliseconds);
Console.WriteLine("RunTime " + elapsedTime);