Corn Problem, please help

[miz]

ok i made a script the delete info from some table,

now i added it to corn in admin cp to run every 1st of month

its apper like that

30	0	1	*	*

now the problem is that its never run

when i click on run now its works like a charm
but its dosent work alone

also in next time it says :
02-28-2005 11:30 PM

but date now is 06/03 and script didnt runned yet

any idea what might be the problem

thanks MiZ