how to record and calculate a 6 stage program with a spreasheet

[Adri]

Hi maniac360, here are two questions I'm asking myself about your spreadsheet:

• Why do you have put 33 days instead of 32?
  
• Do you need to put the date of the night you started to listen to the sub in the first cell, or the date of the first day you made after having listened to the sub during the night?
  

Thank you very much