title: Converting a Gregorian to a Persian date with a Library
body: <p>I want to use persian date in my android App im using this <a href="https://github.com/samanzamani/PersianDate" rel="nofollow noreferrer">Library</a></p>
  
  <p>But i have problem with formating date for example </p>
  
  <pre><code>  SimpleDateFormat sdf = new SimpleDateFormat("yyyy MMM dd");
          Calendar calendar = new GregorianCalendar(2017,9,14);
  
  
          System.out.println(sdf.format(calendar.getTime()));
  </code></pre>
  
  <p>In the code above my result is : 2017/9/14 </p>
  
  <p>How to show the persian date with the library I said </p>