Private Sub Worksheet_Change(ByVal Target As Range)
Application.ScreenUpdating = False
If Not Intersect([C2:C225,H2:H225,J2:J225,L2:L225,N2:N225], Target) Is Nothing And Target.Count = 1 Then
Application.EnableEvents = False
If Target <> 0 Then
If InStr(Target.Text, ":") = 0 Then
Temp = Format(Target, "0000")
Temp = Left(Temp, 2) & ":" & Right(Temp, 2) & ""
If IsDate(Temp) Then
Target = Temp
End If
End If
End If
Application.EnableEvents = True
End If
End Sub