Module 0

The Origins — History & Context

Before reading a single chart, we need to know what Western astrology is, where it comes from, and what it claims (and doesn't claim) to do.

Lesson 1 of 3

What astrology is — and what it isn't

Astrology is a symbolic language. It uses the cyclical positions of the Sun, Moon, planets and angles relative to Earth to describe psychological tendencies, life areas, and recurring themes in a person's life. It is NOT fortune-telling, not deterministic, not a religion, and not a substitute for medicine, therapy, law or finance. Modern Western astrology is best understood as a tool for self-reflection, like the Enneagram or Jungian typology — a structured mirror. The course you are about to take treats astrology as the contemporary Western tradition does: a psychological and symbolic system rooted in 2,500 years of recorded practice. We aim to make you a competent amateur reader — someone who can look at a birth chart and produce a coherent, ethical, useful interpretation.
Lesson 2 of 3

A short history of Western astrology

BABYLON (≈ 2000–500 BCE). Priest-astronomers in Mesopotamia kept meticulous records of planetary movement and tied celestial events to political omens. They identified the zodiacal belt and gave us the 12-fold division of the ecliptic. HELLENISTIC PERIOD (≈ 200 BCE – 200 CE). In Alexandria, Babylonian sky-lore met Greek philosophy. Astrologers like Claudius Ptolemy systematized natal astrology in the Tetrabiblos (2nd century CE), introducing aspects, houses and the doctrine of essential dignities — the structural core we still use. MEDIEVAL & ARABIC (≈ 700–1500). Persian and Arabic scholars (Mashallah, Abu Ma'shar, Al-Biruni) preserved and refined the Hellenistic corpus. Their work returned to Europe via the translations of Toledo and shaped medieval university astrology. RENAISSANCE TO ENLIGHTENMENT. Astrology was a respected academic discipline taught alongside astronomy. Kepler and Galileo cast charts. The mechanistic worldview of the 17th–18th centuries pushed it to the margins. MODERN PSYCHOLOGICAL ASTROLOGY (20th century). Alan Leo, Dane Rudhyar, and especially the depth psychologists Carl Jung, Liz Greene and Stephen Arroyo reframed the chart as a map of the psyche, archetypes and individuation. This is the tradition we teach.
Lesson 3 of 3

The celestial sphere — tropical vs sidereal

Imagine the sky as a giant sphere around Earth. The ECLIPTIC is the apparent annual path the Sun traces on this sphere — it is the plane of Earth's orbit projected outward. Astrologers measure positions along this plane in degrees from 0 to 360. The ZODIAC is a 16°-wide band centered on the ecliptic, divided into 12 equal 30° segments called the signs. There are TWO zodiacs in use today: • TROPICAL — anchored to the seasons. 0° Aries = the spring equinox in the northern hemisphere. This is the system used by virtually all Western astrology, including this course. • SIDEREAL — anchored to the fixed stars. Used in Vedic / Indian astrology. The two zodiacs have drifted apart by about 24° due to the precession of the equinoxes. They are not 'right vs wrong'; they answer different questions. Western tropical astrology asks: what season of the symbolic year were you born into? That is what we will study.
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