+---------------- minute (0 - 59) | +------------- hour (0 - 23) | | +---------- day of month (1 - 31) | | | +------- month (1 - 12) | | | | +---- day of week (0 - 6) (Sunday=0 or 7) | | | | | * * * * * command to be executed
30 2 * * * /your/command # ^ ^ # | hour # minute
