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Birth Charts

Introduction to Birth Charts
Birth Chart Features
Birth Chart Reference Guide
Sample Birth Charts
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Astrology Basics

Introduction to Western (Occidental) Astrology
The Signs of the Zodiac
Sun, Moon and Planets
Introduction to Chinese Astrology
The Twelve Animals
The Five Elements
The Lunar Calendar

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Understanding Your Birth Chart:

The Wheel

The House System

The Twelve Houses

The Seven Astrological Types

The Aspects

Aspect Patterns


Sometimes groups of black aspect lines or red aspect lines form patterns in the center of a birth chart. These aspect patterns are filled with black or red and are special in different ways. Black shapes are formed by Squares and Oppositions. Red shapes are formed by Trines and Sextiles. Some aspect patterns are common while others are rare. Whatever the frequency of the pattern, they are all significant as they will amplify the effects of all the aspects that form them. The planets that form the aspect patterns also have increased influence.

Tee Square
The Tee Square is the most common aspect pattern. The large black triangle is formed when two planets are in opposition, and both squared by a third planet. It can be an indicator of one who delights in non-conformist behavior. In some cases it can tend to block the flow of emotions. It is usually found to be a constant source of energy and, depending on the planets involved, can be a beneficial influence. The charts of many who have made an impact on society during their lives contains one or more Tee Squares.

Grand Trine
The Grand Trine is uncommon. It is formed by three planets in a Trine aspect to each other, and forms a large red equilateral triangle. Traditional astrology regards this as a highly benevolent and charming configuration. In many instances, one with a Grand Trine will put their gratifications above the needs of others. A lack of self-discipline is indicated as a warning against giving in to excess. The sense of contentment bestowed by the Grand Trine may also limit self-development and the ability to cope with the adversities of life.

Minor Grand Trine
The Minor Grand Trine is a common aspect pattern. It occurs when one planet sextiles two planets that are in a trine aspect and forms a long red triangle. This favorable pattern is associated with creativity and intelligence. Depending on the planet that sextiles the other two, above average communications abilities may also be present. If you have a Minor Grand Trine in your chart, you can depend on being able to put your plans into action and achieve positive results. This pattern also highlights intuition and insight.

Grand Cross / Mystic Rectangle
A rare configuration that involves two sets of oppositions, with the four planets involved all squaring each other. Those with a Grand Square in their birth charts can be the best and the worst. Generally these people are their own worst enemies and may tend to show little capacity for self discipline and moderation in their lives. The forces that are triggered with this configuration can be controlled with patience and determination, leading to an outstandingly purposeful life. It can bestow perspective, balance, and social awareness. It may be seen as indicating important karmic lessons that must be resolved. Success or failure apart, the person has a cross to bear.

Grand Sextile
The rarest of all aspect patterns, the Grand Sextile is formed when six planets Sextile each other. It also contains two Grand Trines and three Oppositions. It forms a large red hexagram on the birth chart and indicates an outstanding degree of versatility. A highly magnetic and charismatic personality is likely. With so much potential, the subject of a Grand Sextile should be encouraged to become specialized in at least one area of skill. Self-discipline should be seen as a crucial area of personal development.

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