Equal House System The system that takes the first house being the Ascendant and dividing the remaining 11 houses into equal 30 degrees slices.
Equal House System - based on the equal divisions of the ecliptic, each house cusp has the same numerical degree of the zodiac as does the ascendant.
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.
We use the equal house system for ease of discerning the age of events. When using the equal house system each year is equivalent to five degrees. The equal house makes it easier to see the distance of arc between all the planets.
In most charts except the Equal House System, the angles form the cusps of the 1st house, 4th house, 7th house and 10th house respectively.
In the equal house system, except along the equator, the ascendant/descendant and midheaven/nadir axes can vary from being perpendicular to each other.
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, ...
This system is called the Equal House system. Frequently it is used when the birth time is not known.
For beginners the Equal House System is the most basic and simplest to understand. There are some astrologers who still use this system and it does have its validity.
The method of calculating the other house cusps is also beyond the scope of this article, save to say that it is complex and that a number of house systems have been developed, the most widespread being Placidus, Koch and the Equal House System.
Q: I noticed you use the equal house system, why not Koch? A: For easy assessment of the chart at hand. Each equal house has the value of six years of life and is used solely for the purpose of demarcation to perceiving any given age.
The most commonly used house systems in this country are Koch, Placidus, and the Equal House system.
There are several systems used by astrologers to define the House cusps, three of the popular ones being Placidus, Koch, and Equal House Systems.
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.
Nonagesimal: 90 degrees from the ascendant. The most elevated point of the ecliptic above the horizon. In an equal house system, the Nonagesimal would be the cusp of the 10th house. [TOP] ...
Whenever a circumpolar Ascendant is in reverse, the Equal House system presents exactly the same dilemma as that demonstrated by Campanus or Regiomontanus (see The Polar Horoscope).
Medium Coeli From the Latin, literally middle of the heavens; the culminating degree of the ecliptic, commonly called Midheaven, abbreviated MC. In an unequal house system the MC, one of the angles of a horoscope, forms the cusp of the tenth house.
Imum Coeli: From the Latin, literally bottom of the heavens; the zodiacal point opposite the Medium Coeli (Midheaven, MC). The Imum Coeli is one of the angles and forms the fourth house cusp in an unequal house system. Abbreviated IC.
This unfortunately causes a great deal of consternation amongst those new to astrology and a lot of debate amongst those who aren't! Personally I am an advocate of the Equal House system and have always found this to produce extremely accurate ...
See also: House, Astrology, Planet, Degree, Houses
 
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