Since the Date() function in PressTalk will use the language of the Regional system where the form is executed, you would need to do it via a script in Workflow prior to executing your form.
Then pass the formatted date as a variable or jobinfo to the form.
_________________________
♪♫♪♫
99 frigging bugs in my code
99 frigging bugs
Take one down
Code around
127 frigging bugs in my code
♪♫♪♫