1. Log into your cpanel account.
2. In the "Advanced" section, click on "Cron Jobs" Icon.
 

3. Under "Add New Cron Job",. "Common Settings" . and select an appropriate option such as "Once Per Day" or another suitable option.

. Enter your cronjob php file location or the command you want to run in the Command field.

5.. "Add New Cron Job" button.