How to read an astrology chart wheel
By Kosmo
An astrology chart wheel puts the sky into a circle with several layers. Around the outside are zodiac signs; inside are planet markers, houses and lines connecting placements. Once you know what each layer does, the picture becomes much easier to read. Start by finding a few familiar symbols, then follow one placement from its planet to its sign and house. You can build the whole picture from there.
Read the zodiac ring
The outer ring contains twelve thirty-degree sectors, one for each sign. The signs follow their usual sequence from Aries through Pisces, although the wheel may be rotated to place the ascendant on the left. Degree labels locate a placement within its sign. Look for the sign symbol nearest the planetary position and read the degree beside it. This tells you where a placement sits before you begin exploring its traditional meaning.
Find the planet symbols
The Sun, Moon and planets are usually represented by glyphs. A cluster may have small guide lines to keep its labels readable. The Sun’s symbol is a circle with a central dot; the Moon is often a crescent. Find those first and use the chart’s key for unfamiliar symbols. Traditional astrology connects the Sun with identity, the Moon with comfort, Mercury with communication and Venus with affection. Each gives you a topic to explore on the wheel.
Follow the houses
The numbered houses form another layer and describe areas such as home, relationships and daily activities. Their arrangement depends on the birth time, place and house system. Signs and houses are separate divisions, so their boundaries may fall in different places. Trace one planet into its house to complete a simple reading: the planet supplies a theme, the sign gives a style and the house offers a setting. A single example is a useful way to learn.
Explore the lines in the center
Aspect lines connect placements at selected angles. A chart key explains which aspects appear and how colors distinguish them. Begin with one line between two planets and ask which themes it brings together. Then return to the outer labels for context. The natal chart guide helps you turn these visual details into a reading, while the birth chart guide introduces the map as a whole. Take your time discovering the layers you find most interesting.