What is the difference between Placidus and porphyry? This, divided in two, becomes the point of the meridian or midheaven. Each degree of the zodiac has a diurnal arc, i.e., how far it moves in a day. The Placidus House System is a system of house division that utilizes the movement over time on the ecliptic, or the sun’s apparent path through the sky. Proponents of the equal house system claim that it is more accurate and less distorting in higher latitudes (especially above 60 degrees) than the Placidean and other quadrant house systems. Which house system is most accurate in astrology? In front of the camera is an objective reality: the sky as it appeared from the time and location of your birth. Think of a chart, and therefore the houses within it, like framing a photograph. 24 Who is the father of astrology? What do house systems mean in astrology?īut what’s a house system? House systems are different modes of presenting the houses in an astrology chart.