Cron

Positions

From left to right when printed by crontab:

Field name	Chars allowed
Minutes	0-59
Hours	0-23
Day of the month	1-31
Month	1-12 or Jan-Dec
Day of the week	0-7 or Mon-Sun

Special characters

Char	Meaning	Example	Result
*	Any value	10 * * * *	XX:10
-	Range	10 12-14 * * *	12:10 13:10 14:10
,	List values	10 6,12,15 * * *	06:10 12:10 15:10
/<n>	Every nth element	*/2 10-20/6 * * *	Every 2 minutes in every 6 hours from 10AM to 8PM