Project "actual start date" not defined as Date

I’m trying to define a new report related to projects and I have noticed that “actual start date” is not shown with the same format that other start/end dates. See image below.

I have also noticed that “actual start date” is defined as “Data” in the doctype instead of “Date”, but I can’t customize the data type.

Does anybody have the same issue? Is it possible to change “actual start date” to a real Date?