title: How can make cron job which happen at different hours and minutes
body: <p>I want to make crontab where script occurs at different minutes for each hour like this</p>
  
  <p><code>35 1,8,12,15,31 16,18,21 * * 0,1,2,3,4,5,6 python backup.py</code></p>
  
  <p>I want script to run at <code>16hour and 31 minutes</code> but it is giving me error bad hour</p>
  
  <p>i want the cron occur at</p>
  
  <p><code>1:35am</code> , then <code>16:31</code>, then <code>21:45</code></p>