mas o menos quedaria algo asi:
Código:
Public Function Saludo() As String
If Hour(Time) >= 8 And Hour(Time) <= 12 Then
Saludo = "Buenos Dias!!!"
Exit Function
End If
If Hour(Time) >= 13 And Hour(Time) <= 19 Then
Saludo = "Buenas Tardes!!!"
Exit Function
End If
If Hour(Time) >= 20 And Hour(Time) <= 24 Then
Saludo = "Buenas Noches!!!"
Exit Function
End If
If Hour(Time) >= 0 And Hour(Time) <= 7 Then
Saludo = "Buenas Madrugadas!!!"
End If
End Function
saludos.