[cloayza]

Ta bien...te concedo el comentario...

Código Delphi [-]
Uses ...SysUtils, DateUtils;
...
procedure TForm1.DateTimePicker1Change(Sender: TObject);
begin
      ShowMessage(SysUtils.ShortMonthNames[ MonthOf(DateTimePicker1.Date) ]); //Ene, Feb, Mar
      ShowMessage(SysUtils.LongMonthNames[ MonthOf(DateTimePicker1.Date) ]); //Enero, Febrero, ...
end;

Esta bien así Caralsito...