title: Django crontab, running a job every 12 hours
body: <p>I have a django crontab sceduled to run every 12 hours, meaning it should run twice per day however, it is running more than that.
  Can anyone tell me what's wront with it ?</p>
  
  <pre><code>('* */12 * * *', 'some_method','&gt;&gt;'+os.path.join(BASE_DIR,'log/mail.log'))
  </code></pre>
  
  <p>Also what changes I need to make if I need it to run every 24 hours?</p>