I want to create quarterly boards for the quarterly financial closing (each end of the quarter).
For example the 1st quarter ends on 31/03/YY, the 2nd on 30/06/YY etc...
So the last day of each quarter (date N) is the starting point to derive the due dates for each task.
E.g. task 1 should end at N-5 (so 5 working days before the end of the quarter), task 2 should end at N+10 (10 working days after the end of the quarter).
Is there a way to derive these due dates from the N day (last day of each quarter). Now we have to set these dates manually which makes it cumbersome.