Showing Timer countdown

I am creating an interface with HS Touch for my sprinklers using the Rachio plugin. Is there a way that I may display the remaining time left for each zone?

I also would like to know which time I selected. I have buttons corresponding to 5, 10, 15, etc... to the amount of time I want to water. I am trying to put a status icon next to the button so I know which amount of time I selected and which time is running.

Has anyone tried to create their own interface for this plugin?

Thanks!