title: When the benchmark started?
body: <pre><code>class Program
  {
      Stopwatch sw = new Stopwatch();
      DateTime date;
  
      public static void Main()
      {
          date = Datetime.Now;
          sw.Start();
          // do some work
          sw.Stop();
          Log(String.Format("App started on {0}, run time is {1}.", date, sw.ToRedableString()));
      }
  }
  </code></pre>
  
  <p>Is there a better way to get the <code>Stopwatch</code> start date/time? I'm looking for something like <code>sw.GetStartDateTime()</code>.</p>