cron run every 30 minutes 5 after the hour code example
Example: crontab every 30 minutes between hours
// from 08h to 17h (until 17:30)
*/30 8-17 * * *
// from 08h to 17h, at number '5' (until 17:35)
5,30 8-17 * * *
// from 08h to 17h (until 17:30)
*/30 8-17 * * *
// from 08h to 17h, at number '5' (until 17:35)
5,30 8-17 * * *