schedule job using cron expression

Question

How we can execute/schedule job every month's first week of saturday using cron expression.

 0 0 13 * * ?

Answer 1

You can use below CRON expression.

0 0 12 ? 1/1 SAT#1 *

I just tested this in my org and it seems working.

You can use http://www.cronmaker.com/?1 to generate this easily in future.