code: def posted_since(self):
          
          try:
              if self._data_from_search:
                  info = self._data_from_search.find(
                      'div', {"class": "date_entered"}).text
                  s = info.split(':')
                  return s[-1].strip()
              else:
                  div = self._ad_page_content.find(
                      'div', {'class': 'description_extras'})
                  index = [i for i, s in enumerate(
                      div.contents) if 'Entered/Renewed' in str(s)][0] + 1
                  return re.search("([0-9]{1,2}/[0-9]{1,2}/[0-9]{4})", str(div.contents[index]))[0]
          except Exception as e:
              if self._debug:
                  logging.error(
                      "Error getting posted_since. Error message: " + e.args[0])
              return
docs: This method returns the date the listing was entered.
          :return: