Unified Self-Service (USS) is not showing the dates correctly in a form while Service Catalog does.
Wrong syntax is being used in Date format item in form. Example of a wrong date format: DD-MM-YYYY
1. Log into Service Catalog as a Service Delivery Administrator
2. Open Form with the problem
3. Select Date item
4. Go to the properties of the Date item and look for Date format.
5. Change the format and use something similar to: dd-MM-yyyy (a and y in lowercases only)
6. Save Changes.