In our C# project we have the need for representing a date without a time. I know of the existence of the DateTime, however, it incorporates a time of day as well. I
I suspect there is no dedicate pure Date class because you already have DateTime which can handle it. Having Date would lead to duplication and confusion.
If you want the standard approach look at the DateTime.Date property which gives just the date portion of a DateTime with the time value set to 12:00:00 midnight (00:00:00).