docs: def writeDate(self, d):
          """
          Writes a date to the data stream.
  
          @type d: Instance of C{datetime.datetime}
          @param d: The date to be encoded to the AMF0 data stream.
          """
          if isinstance(d, datetime.time):
              raise pyamf.EncodeError('A datetime.time instance was found but '
                  'AMF0 has no way to encode time objects. Please use '
                  'datetime.datetime instead (got:%r)' % (d,))
  
          # According to the Red5 implementation of AMF0, dates references are
          # created, but not used.
          if self.timezone_offset is not None:
              d -= self.timezone_offset
  
          secs = util.get_timestamp(d)
          tz = 0
  
          self.writeType(TYPE_DATE)
          self.stream.write_double(secs * 1000.0)
          self.stream.write_short(tz)