NP you should of mentioned at the first time it was godaddy hosting service they all give you the options to run the cronjob i suggest you test it first to see if it runs ok with a 5 minutes timer then set it up to run every day at the time you need, this suggestions is from my own experience that some times making the cronjob command is diferent on each hosting company depending on thier control panel, also check their help files on the correct way on how to use the settings to make a cronjob or automated task.