Saturday, October 28, 2023

How Natal Chart Works in Technical Terms

 

I once described natal chart metaphorically as a ship and a crew.

However, in a plainer language it works as follows.


Astronomical foundations and different systems

Astrology is strongly tied to astronomy and uses a lot of astronomical tools. It is however based on older Geocentric astrology. Not because astrologers believe that Sun revolves around the Earth and not the other way around, but because this system was build based on that older astronomy.

Planets are observed relative to the constellations as they were on the sky at something like 1000BC to 2000BC in Babylon when this system was created. On our current sky constellations have since moved sideways, however tropical astrologers use old astronomical records to keep track of the signs.

Sidereal Indian astrology instead follows the current constellations. In sidereal each sign has almost moved one step back. To the point where you can equate sidereal Scorpio with tropical Libra, sidereal Libra with tropical Virgo and sidereal Virgo with tropical Leo. The signs descriptions and their characteristics work match better this way. That is something to keep track of when converting from sidereal into tropical and so on.

There are some other esoteric variations such as Draconic Chart, but I do not use them.


Natal Chart

To understand someone's personality, you need their natal chart. you can build one using, Astrodienst website. All you need is person's date, place and time of birth. Without accurate time of birth, you cannot have accurate angles and houses, but will be able to have reasonably accurate placement of planets in signs. 

Ascendant changes sign approximately every two hours, so person born at 2AM will have different ascendant compared to a person born at 5AM of the same day. Descendant, Midheaven, Nadir and all houses are tied to ascendant and shift together with it.


Planets

Each planet is one aspect of a personality. All platens, aspects and angles together add up to a complete picture of one's personality.

Each individual planet is responsible for one particular aspect of one's personality. For example, mercury governs tactical thinking (that is ways of solving problems), as well as manner of speech. 

Signs in which planets are located determine how this particular function or role plays out. For example, person with mercury in Gemini would like to talk a lot, while person with mercury in Scorpio in contrast would not say much but will listen and keep secrets.

Other planets and angles each too has their own role in a complete personality. There are separate descriptions on different astrological signs that outline how say Venus, Mars or Jupiter plays out depending on the sign they are places. Of course, some critical thinking is needed when analyzing all that.


Sun and Moon

Sun has special importance. Sun governs aspirations, objectives in live and fundamental values and such. It is like a boss it sets objectives for the rest of the crew and can override other traits to the extend in the name of higher cause as it is understood by the individual. 

What this higher cause is, is the determined by the Sun's place in the chart, its sign.

That is person with Sun in Libra will have different aspirations in life compared to one with Sun in Cancer or Capricorn. People with different Sun placements will disagree over what is important in life and what is not.

Sun determines your highest calling. More selfish person would call it their ego and aspiration. More selfless might instead call it a mission or obligation to the world. End result is somewhat the same. Sun placement determines in which way you want to do it.


Moon too has a special role associated with reflective instincts of the person. Unlike Sun it does not confer any aspirations or worldviews, but influences the person in indirect, reflective instinctual ways.

Unlike Sun that allows you to create something and give it to the world, Moon determines your needs instead. That is what you want and expect from the world. What you believe world should give you or owes you perhaps. Among other things it determines what you need from other people you come across in life.

Moon's role is to be a protector of a person of sorts, maybe it is just that the Cancer Moon that I have. Moon does rule Cancer, so perhaps it is the best placement that will never let you forget about your own interests and needs in every event in life. That also amplifies your needs and expectations from the world around you. The world is not always willing to deliver.


Degrees and Finer Grades

While Sun alone has only 12 possible placements for example, Moon also has 12 and can be in any sign relative the Sun. Together just these 2 planets lead to 144 possible variations of personality.

This system allows astrologers to divide and categorize all these infinite variations of human personality by dividing them into small bits that person can understand.

There is also a further refinement by dividing each sign into three equal parts, called decans or several even smaller parts, called terms, for example Chaldean or Egyptian terms. However, these should be considered as subdivisions of the same overall nature.

Even further each sign is divided into 30 degrees, each degree divided into 60 minutes and each minute into 60 seconds.

That allows even finer grading. Each placement can be rather different based on degree of the placement. 

Early and late degrees can have some characteristics of neighboring signs mixed in. In contrast middle degrees are possibly the purest representation of each sign. Stereotypes that persist about certain signs however can pay much greater attention to any degrees, even if these characterizes do not apply to vast majority of natives of the sign.

In general, one should be cautious of stereotypes as they can distort nature of each sign drastically.

Also, early degrees can characterize by a naivety and unbound optimism and faith in one's role and place in the world. They are the beginners and have reasons for optimism as their sign just replaced the previous one and have great future ahead. 

In contrast late degrees can have near fatalist realization that period of your sign will eventually come to an end and next sign will take its place. Thus, they could be prone to desperate measures and last-ditch attempts.


Mercury and Venus special cases

Outer planets such as Mars, Jupiter, Saturn, Uranus, Neptune and Pluto also have the same 12 possible placements, increasing the number of variations to really large numbers.

Mercury and Venus are special cases, however. As their orbits are inside Earth orbit, they could not be too far from Sun on the sky as it is observable from the Earth. Mercury can only be either in the same sign as the Sun, one sign ahead or one signs behind. Same for Venus but it can also be two signs behind or ahead of the Sun.

Just three possible placements of Mercury relative to Sun means that only three possible variations of tactical mind and manner of speech can coexist with any given sets of ambitions and aspirations. 

The Sun-Mercury combination can often form a core personality. For most, but not all people mercury will be in the same sign as Sun, given a more stereotypical native of any given Sun placement. Mercury placement in one of side signs is rarer and creates much more nuanced individual.

That also limits what aspects these planets can have with Sun, for example Mercury can only be conjunct to Sun or not conjunct. It cannot form sextile, trine or square with Sun, even though it can do it with other planets. Mercury conjunct Sun often means person is very outspoken about themselves and their values and pretty much always say what they think. The further Mercury is away from Sun the more native can be flexible and impartial in their speech. 


How Aspects Work

There are also aspects that planets make to each other. Good aspects such as Trine or Sextile allows planets work together. While bad ones such as square and to lesser extend opposition obstruct the functioning.

Not all combination of traits does work well together. Some traits work in synergy with each other. For example, if one has Leo Sun and loves attention, then having traits that can generate attention can help fulfilling this aspiration, for example Jupiter in Gemini will allow someone with Leo Sun to have a lot of attention by talking non-stop about all sorts of things. 

In contrast Jupiter in secretive and cautious Scorpio will prevent someone with the same attention seeking Sun in Leo person from getting much attention. Thus, you can say that this combination produces a conflict between interests of Sun and Saturn.

Gemini Jupiter will sextile Leo Sun, but Scorpio Jupiter will square Leo Sun instead.


The same signs always make the same aspects to certain signs around them. 

Each sign always makes trines to signs of their own element. Air signs will always trine other air sings. Earth signs will always trine earth signs and so one. Element denotes the same basic nature of people in question. Thus, it allows people of the same element to understand each other much easier than those of other elements.

Square always goes to signs of the same modality instead. Same modality but different element produces conflict as such people not only have conflicting views on reality but also constantly get in each other's way because of their common modality.

Sextile goes to a different element that is of the same gender as your element. Air sextiles Fire, Fire sextiles Air. Earth sextiles Water and Water sextiles Earth. These pairs are not alike but share some common ground that allows them to work together.

Aspects can be stronger or weaker depends on the degrees of each planets involved.


There is also dignities and debilitations for planets. 

Each planet has two signs that it rules. Ruling means that this sign is the planets most natural placement, and it works much stronger than in any other sign. That is effects of planets are more pronounced that elsewhere. It does not mean the planet rules over and overrides other planets.

The opposite of Rulership is called Detriment. When planet is in detriment, it has hard time functioning properly and this aspect of personality is somewhat reduced compared to others.

There is also another dignity called Exaltation. Exaltation means that planet is more prominent and has more visible role compared to other signs.

Opposite of Exaltation is called Fall, planet in Fall has less outward visible role compared other placement, but that does not mean it has hard time functioning.

Detriments for planets located in the signs immediately opposite of the signs they rule, just as Falls are located immediately opposite to signs of their Exaltation.


Opposites

The opposition aspect in general creates the opposing pairs that are two farthest extremes of the same common nature. There are 6 such pairs. Each of these signs act as if they try to compensate for the shortcomings of the sign they oppose.

It is different from the Square aspect where difference in values and worldview makes planets block each other off.


Ascendant, Angles and Houses

Ascendant it the signs that was on horizon at the point where Sun was rising or would rise at down if native was born at night for example. For those who are born during the sunrise itself Ascendant will be the same as their Sun Sign. For others it will be different. Those who are born at sunset will have Sun opposite ascendant. 

The further one is born from the sunrise the further house one's sun will be located. Those who are born at night for example will have Sun in one of the personal houses: 1, 2 or 3 and will be a lot more concern with their own private lives and needs.


Descendant is the sign that was at the horizon at the place where Sun will set. Ascendant and Descendant together form an axis that divides natal chart in upper and lower half.  


Lower half is considered personal or private and mostly concern itself with private needs. While upper half is public and visible to the people around. The balance of planets between half can indicate how much person is public or private person.


Midheaven and Nadir

The second vertical axis that dissects the chart is Midheaven to Nadir axis. Midheaven is topmost point of course and Nadir is bottom most. 

This axis divides chart into personal left side and interpersonal right side. Those with more planets on the left side are more selfish and those with more planets on the right side are more involved with people around them.


The Quarters

The ascendant-descendant and midheaven-nadir axis together dissect the chart into four uneven sectors. 

The sectors are uneven because Midheaven corresponds to the time of day when sun reaches its zenith. At equator it will be roughly after 6 hours but closer to poles it can be much earlier or later. So depend on where you were born and during which season, your personal sectors will be more or less uneven that those of others.

Placidus calculated these points some time ago and we use these ever since. Some astrologers use various even houses systems instead, but I support Placidus.


Houses

Just as the four sectors are uneven, the houses they produce are uneven too. The size of each house and number of planets in it determine how much this area in life is important to you and how much time, effort and attention you will dedicate to it.

The points of each axis are called angles. Each of them starts three houses. Ascendant begins first house, Nadir begins 4th, Descendant begins 7th and Midheaven begins 10th. These houses do correspond with the roles each of the angles play in the chart. Planets in these houses are also connected with that role.


Conclusion

This outlines the system and explains how the whole thing works together. How individual parts add up to the common whole as pieces of the jigsaw puzzle assemble the picture when they are put together. 

There is plenty of information on meaning of each individual planet. There can be differences between different astrological sites so you should use your critical thinking when analyzing it.

Try making your own chart and then read about individual placements and aspects that you have in there. You will notice how accurate this thing is.


Final notes

There are other things about astrology that I did not cover in this article. I wrote separate articles on some of these issues before so you might want to check these out.

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