The Stars And Romance: Birth Chart Analysis

Can Relationship Compatibility Between Two People Be Calculated?

Have you always wanted to get a little bit of insight before investing yourself emotionally in a brand new relationship? Are you curious about what one of the world’s oldest personality assessment tools might have to say about the compatibility between you and a potential mate? It sounds like you might be in the market for an astrological birth chart comparison! Find out next how this ancient horoscope-based compatibility test works.

Going Way Beyond Newspaper Horoscopes

In the modern world, astrology is often an easy target for mockery and ridicule. Those who scoff at the practice take particular pleasure in pointing out how ridiculous it is that one-twelfth of all the people in the world (i.e. all those born under one particular sign) share the same fate. This closed-minded rejection of astrology is born from nothing less than sheer ignorance.

The truth of the matter is that your horoscope is far more complex than the date of your birth. That little squiggle that shows up next to your birth month in the newspaper is your sun sign, and it’s just one of dozens (potentially even hundreds) of significant data points tracked on your birth chart. Interestingly as well there is a project to pay attention to Swiss psychologist Carl Jung. He notes in his published work Synchronicity how he analysed many hundreds of natal Birth horoscope charts with an objective to identify (from pairs) who might be married in reality. Conducting his experiment not once but three times he was flabbergasted to discover that many of the couple best matched by randomly chosen astrology charts were actually married. Failing to explain this he christened a new term ‘synchronicity’ which is widely used in other contexts today. This experiment gives quite of a lot of credence to the analysis of astrological natal birth charts. However, that is not to say the analysis is easy as you will see below.

An Overview Of Astrological Birth Charts

A proper birth chart (what real astrologers mean when they refer to your horoscope) is a complex compatibility document that shows the results of a lot of care and mathematical effort. It’s derived from two key factors;

1) The exact time you were born (birth date and time)
2) The exact place of birth.

A natal birth chart changes significantly from minute to minute, making the greatest possible precision in pinpointing your birth data by birth time vitally important.

With these two basic pieces of data (birth time and date of birth plus birth location), a good astrologer uses an extensive set of reference tables (called ‘ephemeris’) to set up your chart and place a number of celestial objects (referred to in this context as “planets”) on your chart to accurately represent their position when you were born. By carefully examining where the planets fall and how they relate to each other, an astrologer gains tremendous insight into your nature.

Birthchart Compatibility Grid

Basic Grid-Based Compatibility Chart (post First Level Analysis)

Houses: Where It Gets Tricky

The key concept you need to grasp to understand a birth chart is its division into houses. Houses govern different parts of your life, and the signs and planets which fall into them dictate many interesting ideas about how to interact with the world and other people. Every natal chart has 12 houses, representing equal slices of the sun’s path around the earth. The first house always points to the left, and it represents the point where the sun rises.

The familiar zodiac signs which you already know are arranged around the outside of your birth chart. The astrologer will place each planet at its proper position on your chart based on where it was in the sky when you were born. Thus each planet falls into a house and under a sign, yielding a wealth of new personality traits to examine.

Guess What – You Have More Than One Astro Sign!

You may already have heard someone mention a zodiac sign with the word ‘ascendant’ attached to it, for example, “I’m a Leo ascendant.” The common sign you see in the newspapers is your sun sign, and it’s dictated by where the sun falls on your natal chart. Your ascendant sign, though, derives from which sign falls on the cusp of the first house. Where you sun sign derives from the date of your birth, your ascendant (or rising) sign comes from the exact time and place of it.

According to most astrological traditions, the fundamental difference between your two signs is one of perception. The sun sign represents your inner nature while the ascendant sign reveals how you interact with others. Obviously, this is going to be extremely important when an astrologer judges your compatibility with another person!

Planets And Aspects

As noted above, a proper natal birth chart tracks a number of ‘planets’ and their relations. The term ‘Planets’ is something of a misnomer, as it also includes the sun and moon in this context. Some astrologers even track other celestial bodies including asteroids and stars on their charts. The Aspect of these bodies is the relationship between them dependent on the Zodiac degree at that the time of birth. Complex as you can imagine! Whichever permutation of heavenly bodies is tracked you can be sure the positions of the planets is critical to calculating astrology and compatibility.

The relationship between two given planets is determined geometrically by measuring the angle between them from the center of your chart. Notable angles are called aspects, and the aspect between two given planets reveals much about your character. If the sun and the moon are in a square aspect, for instance, that means that they lie ninety degrees apart from each other. Other significant named aspects include conjunction, opposition, trine, and sextile.

The Critical Planets

If you’re keeping track of all these facts, you’ll see that the number of factors in play in your birth chart multiplies rapidly. Most traditional charts track at least sixteen planets, producing a positive plethora of aspects and sign and house relationships. (Deeper astrological readings add even more variables in the form of elements and qualities.) If you’d like to navigate your way to some basic compatibility hints on your own, though, there are four crucial planets to look at.

As you might expect from mythology, Venus and Mars are critical in analyzing potential romantic relationships. They represent love and desire, respectively, and an astrologer can gauge your emotional and sexual needs based on their aspects. The other two important planets are the sun and the moon, which tell an astrologer how you relate to the opposite sex.

BirthChart with Aspects

Base-Level Natal Birthchart (Simplified Elvis and Marilyn Monroe)

Synastry: Doubling Up The Charts

As though matters weren’t complex enough, now you’ve finally come to the place where birth chart compatibility gets truly tricky. The first thing an experienced astrologer does when asked to compare two people’s personal natal chart details by laying them slap on top of each other. This delivers a whole new range of factors to consider, and this form of comparison is known as ‘Synastry’ in astrology.

At the largest scale, the astrologer will examine how the two people’s signs line up and factor in the Synastry Aspects of celestial bodies at the time of their birth. Where the planets of one person’s chart fall in the other person’s houses reveal a great deal about how the first person perceives the second, and visa-versa. This is often referred to as the ‘Synastry in Houses’. Finally and based on the Synastry mentioned, the astrologer can draw aspects between planets from both charts to uncover even more about the potential match. The result of this exercise is a composite chart used to more accurately calculate and produce a compatibility report for two people.

Perceptions And Comfort

It should be noted here that astrological compatibility measurements aren’t intended to report or predict the future or indeed tell you whether or not you are ‘destined’ to be with a particular person. The goal of this exercise is to learn as much as possible about your own personality, that of your potential partner, and how the two might interact.

What an Astrologer considers to be a fortuitous match is one in which the potential couple’s strengths and weaknesses harmonize well with each other. This harmony can be both additive and subtractive. In some respects it’s good for a couple to share certain personality traits; in others opposing traits actually mesh in positive ways.

Why Birth Natal Chart Compatibility Requires Expertise

If you’re feeling overwhelmed by the sheer number of personal and astrological factors in play here, don’t worry! The whole point of entrusting your astrology and compatibility questions to an Astrologer is to get an informed opinion on the meaning of your charts. Professional guidance is positively vital in helping you to prioritize the many different revelations. You could spend hours looking up different aspects and puzzling over their meanings; a good astrologer is able to tell you immediately which are important and which can safely be glossed over.

Hopefully, if you take one thing away from this summary, it’s the fact that reading a birth chart properly and doing an accurate compatibility assessment isn’t something that an astrologer can do off the cuff! Equally, there is only so far that a free online chart can take you (which is why I don’t produce such charts on my site, even though I do work on birth chart compatibility and Synastry with personal clients). This is the most complex of horoscope analyses to produce and simply creating accurate charts is challenging enough. It then takes a great deal of experience to correctly identify and interpret all of the important features. To compare two charts and draw accurate conclusions from them is the very pinnacle of the astrologer’s art. As such my advice for those seeking a Synastry, report is to attend a personal session with a highly qualified Astrologer who specialises in astrology and compatibility.

Grid Chart Image thanks to
Base Level Chart Example (Elvis and Marilyn) thanks to Loveluck Astrology
The Stars And Romance: Birth Chart Analysis was last modified: March 8th, 2016 by Marcus Lee