Imports System

Public Module Module1

    Public Sub Main()

        Dim Item As String = "4/4/2005 12:00:00 AM"

        Dim Item2 As String = "1/1/1900 2:45:56 PM"

​

        'Convert the datetime as per your required format - dd/MM/yyyy HH:mm:ss.fff

        Dim converteddatestring As String = [String].Format("{0:dd/MM/yyyy}", Convert.ToDateTime(Item))

        'Convert the datetime as per your required format - HH:mm:ss.fff

        Dim convertedtimestring As String = [String].Format("{0:hh MM ss tt}", Convert.ToDateTime(Item2))

        'output your result

        Console.WriteLine(Convert.ToString(converteddatestring & Convert.ToString(" ")) & convertedtimestring)

    End Sub

End Module