Ability to visulize leaves on WE

We need to have the ability  to  see leaves on WE in the annual overview of the agents even though normally a workrota Mo - Fr is set, as  it happens that they have to work WE s

- The same  for national holidays falling on a WE 

- and logging "Work from Home"  on a week-end  

 Switching off work rotas is not a solution as we have many different work contrat  with varying days off