title: Event for DateChange at midnight
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/3053695/background-worker-check-for-when-its-midnight">Background Worker Check For When It&#39;s Midnight?</a>  </p>
  </blockquote>
  
  
  
  <p>Is there a SystemEvent which I can register to and which will be published at midnight, when the Date has changed?</p>