code: def get_absolute_url_with_date(self):
          
          pub_date = self.published_on
  
          if pub_date and settings.USE_TZ:
              # If TZ is enabled, convert all of these dates from UTC to whatever
              # the project's timezone is set as. Ideally, we'd pull this form
              # some user settings, but the *canonical* publish time is that of
              # the author (asssuming author == owner of this project).
              pub_date = make_naive(pub_date, pytz.utc)  # Make naive
              pub_date = pytz.timezone(settings.TIME_ZONE).localize(pub_date)
          if pub_date:
              args = [
                  pub_date.strftime("%Y"),
                  pub_date.strftime("%m"),
                  pub_date.strftime("%d"),
                  self.slug
              ]
          else:
              args = [self.slug]
          return reverse('blargg:entry_detail', args=args)
docs: URL based on the entry's date & slug.