Date Fromat Output dd-MMM-yyyy 15-Feb-2010 dd-MM-yyyy 15-02-2010 dd-MMM-yyyy hh:mm:ss 15-Feb-2010 11:25:56 dd-MMM-yyyy hh:mm tt 15-Feb-2010 11:25 AM dd-MMM-yy 15-Feb-10 MMM dd, yyyy Feb 15, 2010 MMMM dd, yyyy April 15, 2010 Example: DateTime objDt = DateTime.Now; objDt.ToString("dd-MMM-YYYY") = 15-Feb-2010