Business days calc

[chevyas123]

How do i write a function to calculate business days excluding weekends and holidays in oracle?
Actually i need to prepare a calendar for my monthly activities i.e activity x to be performed on 3rd workingday of month.
Can u please help me out with this as i am very new to oracle.
Plzzzzzzz

[debasisdas]

check the following link , you can modify the code as per your requirement.