|Do us a favor...|
Make believe that you are one of us and go back and read your original post.
Could you tell from what you wrote that you were entering a date in a specific cell and that you wanted it formatted a specific way upon entering it?
The clearer you are with the description of your issue, the higher the possibility of getting a good response.
Use this in Conditional Formatting:
Click Here Before Posting Data or VBA Code ---> How To Post Data or Code.