How to create a calendar view of a form that has 3 date fields - using all 3 of them?

How to create a calendar view of a form that has 3 date fields - using all 3 of them?

Greetings,
I am new to Zoho Creator and it seems fairly easy to create a calendar view of a form using a single date from that form.  However, has anyone got an idea how to include 3 date fields on a form on a calendar?  I don't see how to do this, but perhaps using Deluge it can be done. I did see a post about how to gather dates from multiple different forms into a singe form as a list and then create the calendar from that; perhaps that is the solution I need. 

Thanks for any tips!

Jennifer