Snooper Cron event The Cron format is a well-know powerful and flexible way to define time and frequency of an event. Cron format The fields in a Cron expression have the following order, separated by a space: [seconds] [minutes] [hours] [day-of-month] [month] [day-of-week] [year] Field constraints Control symbols Cron expression examples Useful links Cron format explained Cron maker