Display Date on top of Screen Iphone X

Hello,

That feature is not available in iOS.

You can submit your feedback to Apple using the following link:

Product Feedback - Apple

If you place the calendar icon on the home page at the top left corner, you will have the date on the home screen because the calendar app always shows the date (day of week and day of month). It is a work around but at least you can see the date on the first page of the home screen.