Houses · Advanced
Koch houses
Also called Koch, birthplace system
A twentieth-century time-based quadrant system, popular in Germany; not offered on this site.
Walter Koch's system, like Placidus, fails near the poles. It is defined here because it is often met in other software.
Sources
Written for Cool Moon Facts in its own words. An astrology source documents what astrologers believe or practise; it does not establish that astrology works.