code: def hour12(self):
          
          res = self.hour
          if res > 12:
              res -= 12
          elif res == 0:
              res = 12
          return res
docs: Return The hour value between `1-12`. use :py:meth:`khayyam.JalaliDatetime.ampm()` or
          :py:meth:`khayyam.JalaliDatetime.ampmascii()` to determine `ante meridiem` and or `post meridiem`
  
          :rtype: int