dadsnook2000
Hello C.N. Isn't it interesting that the two house systems you prefer are both calculated differently. The Alcabitus method projects hour circles onto a diurnal circle that cuts through the Ascendant while the Porphyry method more simply trisects quadrants of the ecliptic. According to my limited resources there is actually a big difference between the house sizes of these two house systems. There would seem to be more of a resultant similarity between the Porphyry and Placidus. This seems to hold true for most latitudes below 60 degrees. May I ask, do you time progressions or transits against house cusps? If so, which seems to work best. I haven't experienced much success with most house systems and have given up -- just working with the angles of the chart and "eye balling" the inbetween areas. Dave.