title: How convert Gregorian date to Persian date?
body: <p>I want to convert a custom Gregorian date to Persian date in C#.
  For example, i have a string with this contents:</p>
  
  <pre><code>string GregorianDate = "Thursday, October 24, 2013";
  </code></pre>
  
  <p>Now i want to have:</p>
  
  <blockquote>
    <p>string PersianDate = پنج‌شنبه 2 آبان 1392 ;</p>
  </blockquote>
  
  <p>or</p>
  
  <blockquote>
    <p>string PersianDate = 1392/08/02</p>
  </blockquote>
  
  <p>Thanks</p>