code: def iso_day_to_weekday(d):
      
      if int(d) == utils.get_now().isoweekday():
          return _("today")
      for w in WEEKDAYS:
          if w[0] == int(d):
              return w[1]
docs: Returns the weekday's name given a ISO weekday number;
      "today" if today is the same weekday.