title: how to create a cron expression for every 2 weeks
body: <p>Here is <code>cron</code> expression I tried <code>0 0 0 */14 * ?</code> it is giving following schedules </p>
  
  <p>Start Time:- <code>Friday, September 8, 2017 1:25 AM</code></p>
  
  <p>Next Scheduled :-</p>
  
  <pre><code>1.  Friday, September 15, 2017 12:00 AM
  2.  Friday, September 29, 2017 12:00 AM
  3.  Sunday, October 1, 2017 12:00 AM
  4.  Sunday, October 15, 2017 12:00 AM
  5.  Sunday, October 29, 2017 12:00 AM
  </code></pre>
  
  <p>this expression is working for every 2 weeks in every month, but my requirement is it has to run for every 2 weeks, I mean after executing <code>sept 29th</code>, nxt schedule should be <code>October 13</code> but it is scheduling for <code>October 1</code></p>