code: def set_plc_datetime(self, dt):
          
          type_ = c_int32
          buffer = (type_ * 9)()
          buffer[0] = dt.second
          buffer[1] = dt.minute
          buffer[2] = dt.hour
          buffer[3] = dt.day
          buffer[4] = dt.month - 1
          buffer[5] = dt.year - 1900
  
          return self.library.Cli_SetPlcDateTime(self.pointer, byref(buffer))
docs: Set date and time in PLC
  
          :param dt: date and time as datetime