How to use this guide
Planet, sign, house, and aspect descriptions are brief introductions to symbolic astrology. A placement does not establish a fact about a person or predict an event. House and angle readings depend strongly on the recorded time and place. The wheel uses apparent geocentric tropical positions and the house system selected above.
Read about aspects → · Read about houses →
Browse the complete birth-chart factor library → · Read the chart-reading sequence →
Calculation method and limits
What the wheel shows
The chart calculates Sun through Pluto, the Ascendant, Midheaven, house cusps, and major aspects within a four-degree orb. The text index gives the same entries as the interactive wheel, so you can inspect every factor without a mouse.
Time and place are required
Houses and angles depend on a recorded birth time, historical civil UTC offset, and location. This guide does not guess an unknown hour; use the separate birth-chart calculator for a date-only view. At high latitudes, time-based house methods may use a clearly labeled Porphyry fallback.
Interpretation is contextual
The measured coordinates and aspect orbs are calculations. The accompanying sign, house, and planetary themes summarize astrological traditions and are reading prompts, not verified traits or event predictions. Matching aspects link to longer guides.