Cron Job Scheduling in wordpress

by

You an use following:

 add_filter('cron_schedules', 'add_scheduled_interval');
 function add_scheduled_interval($schedules)
 {
     /* add your time to 'interval' option, it should be in seconds */
     $schedules['hourly'] = array( 'interval' => 5, 'display' => 'Once 5 sec' );

     return $schedules;
 }