Access to cPanel and scroll down to the ADVANCED section then click on Cron Jobs
Add the required info:
- Common setting - you can select a common setting to populate the fields below
- Minute - Set at which minute(s) the cron will run
- Hour - set at which hour(s) the cron will run
- Day - Set on which day(s) the cron will run
- Month - Set on which month(s) the cron will run
- Weekday - Set on which weekday(s) the cron will run