Crontab date setting problem

Hi,

0 9 1,2,3,4,5,6,7 3,4 6

I want a cronjob to run on every 1st Sat of Mar & Apr. But the above schedule is running is running on the 1st 7 days. How do i rectify it?

Thanks in advance.

http://www.unix.com/unix-dummies-questions-answers/149136-execute-script-crontab-first-saturday-month.html

I will try that out. Thanks!