Format method in VB

Hi all,
I'm trying to format a date in "dd/m/yy", which works really fine in a string variable, but i want it to remain in a Date type (not string).
The purpose is to use Find method to find a cell formatted as date.

 Dim objExcelApp As Excel.Application
  Dim objFound As Range
  Dim objWorksheet As Worksheet
  Dim objRange As Range
  Dim y As Date
 
  Set objExcelApp = New Excel.Application
  Set objWorkbook = objExcelApp.Workbooks.Open(XLS file)
  Set objWorksheet = objWorkbook.Worksheets(1)
  Set objRange = objWorksheet.Range("a3").EntireRow
  y = Format(Date + 2, "dd/m/yy")
  Set objFound = objRange.Find(y)
 

At this state "y" returns a date formatted as my system is configured, but when i change "y" to be a string i get it as "dd/m/yy" without a problem.
 
Why is that?
 
Thanks in advance.