House Systems used in Astrology
There are many house systems to choose from, but many have fallen by the wayside in recent years and are little used. For beginners the Equal House System is the most basic and simplest to understand.
House Systems. The ways in which the astrological chart is divided and the house cusps established. There are many theories and systems, including Placidus, Koch, Equal, Regiomontanus, Campanus, Solar, etc.
All house systems agree on the validity of the horizon, and so I felt this was the place to start. This proved to be a most worthwhile exercise.
Quadrant house systems divide the houses so that they agree with the "quadrant" concept (ascendant on the first house cusp, nadir on the fourth, descendant on the seventh, and midheaven on the tenth).
[edit] Porphyry ...
Horoscope House Systems
There are a number of different house systems. These include such popular systems as "Equal House" and Placidus House" systems. The Equal House method divides the horoscope into 12 equal houses starting at the Ascendant.
Trying out house systems other than Placidus is often seen as a difficult business. In fact, it is possible to set up houses for most systems using Placidian tables, such as Raphael's Tables of Houses for Northern Latitudes.
History Of House Systems
by Doug Kellogg
The Equal House system is the oldest still in use, dating from the first century BC. In this system, each house is exactly 30 degrees, starting with the Ascendant as the cusp of the first house.
In many house systems (but not all) the MC is also the cusp of the tenth house. More on mid-heaven. Midnight MarkMean local time at birthplace when it is midnight at Greenwich, England.
I want to briefly mention the complex question regarding house systems. The houses were created by early astrologers to divide space, and there are different approaches taken in measuring house division.
There are several different house systems that astrologers use, the Equal House system is perhaps the oldest and simplest in that each House is allocated a 30 degree segment within the zodiac circle, other systems, ...
There are several systems used by astrologers to define the House cusps, three of the popular ones being Placidus, Koch, and Equal House Systems.
It marks the 10th house cusp in most house systems. Astrologically, it represents career, status, reputation, life goals and aspirations.
Competing house systems is one of the main problems in astrology from that point of view, quite apart from the problem of the sidereal versus tropical zodiacs. How do we decide which house system to use, let alone which zodiac?
In most house systems the IC forms the 4th House Cusp. In interpretation, it represents the personal foundations, source of being, origins, roots, beginnings of life in the womb, personal, family and tribal heritage; connection with home; ...
This interception effect also only happens with certain house systems, which have variable sized houses. Equal house system does not have this distortion, since the houses are always 30 degrees in length.
are existing to a number of so-called house systems. E. g. the AFA Tables of Houses for instance, for the Placidus system.
Up
The Ascendant ...
Placidus House System - known as the most popular of the house systems, it's calculated from night and day, spacing the zodiac, then crosses the elliptic path 1 degree every four minutes.
There are numerous other house systems. The latest poll on the topic I saw rated Placidus the most common and Koch was the second most common in usage. The charts calculated are available in computer generated format, Kepler 4.
House systems either divide up the ecliptic, divide up the quadrants between the angles, ...
Placidus; Spanish Monk. Placidus de Tito, 17th century. Creator of the Placidus House System. One of the most commonly used house systems today.
Planet: From the Greek "Planetes" or the wanderer. Describes any body that appears, from Earth, to move.
Midheaven The point when the Meridan of the birthplace intersects the ecliptic. Defined as the cusp of the 10th house in most house systems, See also Medium Coeli, Mid. Coeli, MC ...
Mid-heaven - Meridien, or MC (Medium Coeli). The point of the chart at which the meridien intercepts the ecliptic. In many house systems the MC is also the cusp of the tenth house.
Now we complicate this a little more: There are several methods of calculating houses. The methods are named after the inventors of the system. Some of the most used house systems are; Koch; Campanus; Placidus; Equal; Porphrey; and Meridan.
of house division, proposed by Polich and Page, which is capable of calculating house cusps for any place on earth. The system is said to have been derived from experience by projecting known events onto a chart, as opposed to other house systems ...
Due to an historic serendipity in its publishing, Placidus is the most popular. House systems either divide up the ecliptic, divide up the quadrants between the angles, or divide up the time. I use the Placidus House System when calculating charts.
named for the proponent of the system (Placidus, Koch, Regiomontanus, Campus, Morinus, Porphyry) and some named for their properties (Equal, Meridian, Topocentric). Because of such disagreement, there are astrologers who do not use house systems at ...
North which explains, among other things, the various astrological house systems used in the Middle Ages. The complete Middle English text of the treatise is available on the web as noted above. The Skeat edition cited is available in many libraries.
 See also: House, Planet, Astrology, Zodiac, Houses
  
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