cPanel provides two interfaces that simplify setting up a cron job. This post discusses the “standard” interface because most people find it easier and faster to use than the advanced interface.
Two common problems people often encounter with cron jobs :

a server uses “military” time or a 24-hour clock rather than a 12-hour clock. For example, [...]

“I am not receiving all my email!” and “People are not receiving emails from me!” are common customer complaints. Sender tells recipient they sent an email. Recipient checks and does not see it. Blame the email service. Ditto for the reverse (not receiving an email you sent.)
The first step is to check [...]