Carry a date over from one Data card to another

Trying to keep the same date on all the fields without the user accidentally putting in the wrong date.

First Date to carry one: (Copy into other date fields)

This datacard is "DateValue1_3"

Carry over to this data card:

In the default date property:

DateAdd(DateValue1_3.SelectedDate,0,Days)

In the visible property: false

The end result in sharepoint.