title: Fetch all last two days objects according to uploaded date
body: <p>In my model News I have:</p>
  
  <pre><code>NewsId
  NewsSummary
  date = models.DateTimeField(auto_now_add=True, blank=True)
  </code></pre>
  
  <p>I want to fetch all last two days news according to uploaded date.
  How to do it?</p>