Learn Astrology
Each guide is paired with a live tool so you can move from concept to chart. Start with the fundamentals — birth chart reading, aspects, houses — then explore timing techniques, harmonic analysis, or the Uranian topics tied to the 90-Degree Dial and Planetary Picture Scanner.
Need a quick definition instead of a full guide? Browse the glossary.
Fundamentals
Fundamentals
How to Read Your Birth Chart
Your birth chart is a map of the sky at the moment you were born. This guide walks through the four building blocks — planets, signs, houses, and aspects — so you can start reading your own chart without getting lost.
Fundamentals
Sun Sign vs Moon Sign
The Sun sign is your conscious identity. The Moon sign is your emotional core. Here's how they differ, why many people relate more to their Moon sign, and how to find yours.
Fundamentals
Rising Sign (Ascendant)
How the rising sign differs from the Sun sign, why whole-sign houses make it the architectural foundation of the chart, and how the Ascendant degree works in predictive astrology.
Fundamentals
The Big Three in Astrology
The Big Three in astrology are your Sun sign, Moon sign, and Rising sign. This guide explains what each one means, how they work together, and how to find yours with or without a birth time.
Fundamentals
Natal Aspects
Aspects are the angles between planets in your birth chart. They determine which planets talk to each other and whether the conversation is easy or tense. This guide covers the five major aspects, orbs, and the difference between applying and separating.
Fundamentals
The Twelve Houses
The twelve houses divide the birth chart into areas of life — identity, money, communication, home, and so on. This guide explains what each house represents, the angular/succedent/cadent framework, and whole-sign vs. quadrant systems.
Fundamentals
Essential Dignities in Astrology
Essential dignity is the traditional system for evaluating how well a planet functions based on its zodiac sign. Learn domicile, exaltation, detriment, fall, peregrine, the complete dignities table, and how traditional astrologers use dignity scores to judge planetary condition in a birth chart.
Fundamentals
How to Read a Synastry Chart
Synastry compares two birth charts to reveal the dynamics between two people. This guide covers the aspects that matter most, house overlays, and how to read the whole picture without getting lost in isolated aspects.
Fundamentals
The Eight Moon Phases
The lunar cycle divides into eight distinct phases, from New Moon to Balsamic. This guide explains what each phase means in transit and in your natal chart, and how astrologers use the Moon's cycle for timing.
Fundamentals
Astrocartography
Learn how astrocartography maps planetary influences to locations around the world, and how to use it for relocation, travel, and life decisions.
Fundamentals
Fixed Stars in Astrology
Learn how fixed stars add powerful layers of meaning to your natal chart. Covering the 4 Royal Stars, 15 Behenian stars, conjunctions, parans, and precession.
Fundamentals
Sect in Astrology
Learn what sect means in astrology: how day and night charts determine your most benefic planet, most challenging planet, and sect light.
Fundamentals
Day Chart in Astrology
What does it mean to have a day chart in astrology? Learn how diurnal sect shapes your benefic and malefic planets, sect light, and chart interpretation.
Fundamentals
Night Chart in Astrology
What does it mean to have a night chart in astrology? Learn how nocturnal sect shapes your benefic and malefic planets, sect light, and Saturn's role.
Fundamentals
Benefics and Malefics by Sect
Learn how sect ranks benefic and malefic planets in your chart. Understand the out-of-sect malefic, benefic of sect, and the four-tier planet hierarchy.
Fundamentals
Sect Light in Astrology
Learn what a sect light is in astrology. Discover whether the Sun or Moon leads your chart and how it shapes your personality and life direction.
Fundamentals
Triplicity Rulers in Astrology
Triplicity rulers assign each zodiac element (fire, earth, air, water) a set of ruling planets that differ by day and night. Learn the Dorothean, Ptolemaic, and Lilly triplicity tables, how sect affects which ruler is active, and how triplicity scoring works in the essential dignity system.
Fundamentals
Mutual Reception in Astrology
Mutual reception occurs when two planets occupy each other's domicile or exaltation signs, creating a reciprocal dignity relationship. Learn how mutual reception works, the difference between reception by domicile and by exaltation, and how it modifies chart interpretation.
Fundamentals
Planetary Bounds
Complete guide to planetary bounds (terms): the five unequal segments within each zodiac sign. Includes Egyptian and Ptolemaic tables, dignity scoring, and how medieval astrologers used the bounds lord.
Fundamentals
Decans in Astrology
Decans divide each zodiac sign into three 10-degree segments, creating 36 faces across the entire zodiac. Learn the Chaldean decan system, how decan rulers work, the difference between traditional and modern decan assignments, and how decans add precision to sign-based astrology.
Fundamentals
Almuten Figuris
The almuten figuris is the planet with the highest accumulated essential dignity across the five key chart points (Ascendant, Midheaven, Sun, Moon, Part of Fortune). Learn how to calculate the almuten figuris, how it differs from the chart ruler, and why medieval astrologers considered it the true governor of the nativity.
Fundamentals
Birth Time Rectification
Birth time rectification is an astrological technique for finding an unknown birth time by correlating life events with primary directions, solar arcs, and annual profections. Learn how it works, which events produce the best results, and how to evaluate candidate times.
Fundamentals
How to Find Your Birth Time
Find your exact birth time through birth certificates, hospital records, and vital statistics offices. Covers US, UK, India, and international options, plus how computational rectification can fill the gap when records are unavailable.
Fundamentals
Astrology Without a Birth Time
You can still learn a lot from your chart without a birth time. This guide covers what stays accurate, what becomes uncertain, and how to work with an incomplete chart while exploring options to find or rectify your birth time.
Timing Techniques
Timing Techniques
Lord of the Year
The lord of the year is your annual profection ruler. Learn how to find it using whole-sign houses, judge its condition, and combine it with transits for sharper yearly forecasts.
Timing Techniques
Monthly Profections
Monthly profections divide the annual profection year into 12 sub-periods starting from your birthday. Learn how to track the monthly house shift and use it for day-to-day timing.
Timing Techniques
Chart Ruler
Your chart ruler is the planet that rules your Ascendant sign. Learn how to identify it, assess its condition by dignity and house, and use it in natal interpretation and timing.
Timing Techniques
Retrograde Shadow Period
The retrograde shadow period covers the degrees a planet will retrace during retrograde. Learn how pre-shadow and post-shadow work, what the three-pass cycle means, and how to track it without overreacting.
Timing Techniques
Stationary Planets
When a planet stations retrograde or direct, it appears to stop moving. Learn what stationary planets mean, why they concentrate pressure on one degree, and how to read station periods in charts and transits.
Timing Techniques
Solar Return Charts in Astrology
A solar return chart is cast for the moment the Sun returns to its natal degree each year. Learn how to read the Ascendant, angular planets, SR-to-natal aspects, and combine solar returns with profections and other timing techniques.
Timing Techniques
Solar Return Ascendant
The solar return Ascendant sets the tone for the year ahead. Learn how to read the rising sign of your birthday chart with sign-by-sign interpretations, assess its ruler, and combine solar returns with profections.
Timing Techniques
Void-of-Course Moon
What the void-of-course Moon means, when it happens, and what traditional astrologers say you should avoid during it. Covers Lilly, Bonatti, and modern electional rules.
Harmonics
Harmonics
Harmonic Charts
John Addey's wave theory treats the birth chart as a composite signal that decomposes into harmonic frequencies. Each harmonic number isolates one frequency, turning invisible aspect families into visible conjunctions: the 5th surfaces quintile patterns, the 9th surfaces noviles.
Harmonics
The Novile & 9th Harmonic
The novile (40°) is the aspect of the 9th harmonic, tied to joy, spiritual purpose, and completion. This guide covers the aspect itself, its connection to the Vedic Navamsa chart, and how to read the 9th harmonic chart in practice.
Harmonics
Age Harmonics
Emerging from the harmonic movement in the early 1980s, the age harmonic generates a unique chart each birthday by using your current age as the multiplier. Unlike solar returns and profections, which recycle positions on a fixed cycle, every age harmonic is structurally new, making it a distinctive timing lens.
Uranian Astrology
Uranian Astrology
Midpoint Astrology
Midpoint astrology studies the halfway point between two chart factors. Learn what midpoints represent, how direct and indirect midpoints differ, and how to read them using the 90-degree dial.
Uranian Astrology
90-Degree Dial
The 90-degree dial folds the zodiac into a quarter of the circle so conjunctions, squares, and oppositions line up visually. Learn how the folding works, how to read midpoint clusters, and when to use the dial vs. a chart wheel.
Uranian Astrology
Planetary Pictures
How to read planetary pictures (A/B = C), the core interpretive method in Uranian astrology. Step-by-step guide to combining meanings and filtering structures.
Uranian Astrology
Ariespoint
The Ariespoint is the cardinal axis at 0 degrees Aries, Cancer, Libra, and Capricorn. In Uranian astrology, it marks where personal factors connect with the public world. Learn how to find it on the 90-degree dial.
Uranian Astrology
Basic Five
The Basic Five are the five personal axes in Uranian astrology built from the Midheaven, Ascendant, and Sun. Learn what each axis represents and why they are the starting point for any planetary-picture reading.
Relationship Astrology
Relationship Astrology
What Is a Davison Chart?
The Davison chart casts a real natal chart for the midpoint in time and space between two births. Learn how it works and when to use it.
Relationship Astrology
What Is a Composite Chart?
The composite chart midpoints each planet pair between two natal charts, creating a single chart for the relationship. Here is how the method works.
Relationship Astrology
Davison Chart vs Composite Chart
Davison and composite charts both create a single chart for a relationship but use different methods. Here is when to use each and how they compare.
Relationship Astrology
Synastry vs Composite vs Davison
Synastry, composite, and Davison charts each answer a different question about a relationship. Here is what each does and how to layer all three.
Relationship Astrology
How to Read a Composite Chart
A step-by-step guide to reading a composite chart: luminaries, angular planets, house emphasis, aspect orbs, and common interpretation mistakes.
Relationship Astrology
How to Read a Davison Chart
How to read a Davison relationship chart step by step: Ascendant, Sun, Moon, house emphasis, exact aspects, and how to time events with transits.
Relationship Astrology
Composite Chart Marriage Indicators
Certain composite chart patterns show up repeatedly in lasting marriages. Here are the Saturn contacts, house placements, and aspects astrologers look for.
Relationship Astrology
Davison Chart Marriage Indicators
The Davison chart reads like a natal chart for the relationship, and the same marriage indicators apply. Here are the angular, Saturn, and Venus patterns.
Relationship Astrology
Best Composite Chart Aspects
The composite aspects that appear most often in strong relationships: luminary harmony, Venus-Jupiter joy, Saturn stability, and what to watch for.
Relationship Astrology
Best Davison Chart Aspects
The Davison aspects that show up in strong relationships: luminary harmonies, angular benefics, Saturn trines, and the outer planet contacts that add depth.
Topic Guides
Timing Techniques
Planetary Hours & Days of the Week
A complete guide to planetary hours and the planetary days of the week, with individual pages for each planet's hour and correspondences.
Hellenistic Astrology
Arabic Parts & the 7 Hermetic Lots
Fortune, Spirit, Eros, and the other Hermetic Lots: formulas, sign-by-sign interpretations, and free calculators.
Fundamentals
Aspect Patterns in Astrology
The Yod, Grand Trine, Grand Cross, T-Square, Mystic Rectangle, Kite, Stellium, Golden Yod, and more — each with a free calculator and meaning pages for apex, modality, and element variants.
Timing Techniques
Saturn Return, Square & Opposition
Complete guides to the Saturn cycle: returns at 29 and 58, squares at 7 and 21, oppositions at 14 and 44, with sign and house interpretations.
Timing Techniques
Annual Profections by House
What each of the twelve profection years activates: identity, money, communication, home, creativity, health, partnerships, and more.
Timing Techniques
Firdaria: Planetary Periods
Medieval Persian timing: nine planetary chapters across 75 years, with a practical sub-period matrix and day/night sequence reference.
Timing Techniques
Uranus Opposition, Square & Return
Complete guides to the Uranus cycle: the midlife awakening at 42, squares at 21 and 63, and the return at 84, with sign interpretations for every generation.
Hellenistic Astrology
Lot of Fortune (Part of Fortune)
What the Part of Fortune means in each sign and house, the day/night formulas, and how it connects to zodiacal releasing.
Hellenistic Astrology
Lot of Spirit
Where willpower and conscious purpose play out in your chart: meaning in each sign, the formula, and its role in career timing.
Hellenistic Astrology
Lot of Eros
Where desire, love, and creative passion play out in your chart: meaning in each sign and how it connects to Spirit and Fortune.
Natal Point
Black Moon Lilith
What Black Moon Lilith is, all five Lilith variants explained, and Lilith in every sign and house.
Natal Point
White Moon Selena
The karmic counterpart to Black Moon Lilith. Four variants explained and Selena in every sign and house.
Relationship Astrology
Descendant Sign
What the sign on your 7th house cusp reveals about partnerships, with interpretations for all 12 Ascendant-Descendant axis pairs.
Relationship Astrology
Davison Chart Placements
Planet-by-planet interpretations for the Davison relationship chart: what each placement means for the partnership's identity and trajectory.
Relationship Astrology
Composite Chart Placements
How each planet and house placement in the composite chart shapes the relationship's emotional landscape and shared purpose.
Relationship Astrology
Twin Flame Indicators
Synastry and composite chart patterns associated with twin flame connections: nodal contacts, vertex hits, and outer planet bonds.
Relationship Astrology
Vertex in Astrology
What the Vertex means in your birth chart, how fated encounters work, and sign-by-sign interpretations of the point of fate in all twelve signs.
Chart Angles
East Point in Astrology
What the East Point (Equatorial Ascendant) means in your birth chart, how it differs from your regular Ascendant, and why latitude changes everything.
Zodiac Systems
Sidereal Astrology
What sidereal astrology is, how the ayanamsa works, and the debate around sidereal vs tropical accuracy.
Sidereal Astrology
Sidereal Sun Sign Dates
Approximate Lahiri date ranges for all 12 sidereal Sun signs, with individual sign pages.
Advanced Techniques
Declination & Out-of-Bounds Planets
The second axis of aspects: out-of-bounds planets beyond the Sun's ±23°26' envelope, parallel and contraparallel aspects, and the 18.6-year lunar standstill cycle.
Ancient Traditions
Babylonian Astrology
The 12 original zodiac signs, 18 MUL.APIN constellations, and how Babylon became the root of all astrology.
Asteroid Astrology
The asteroids astrologers actually read, from the calculator-backed Big Four and love trio to thematic hubs on love, fame, and the Fates. Per-asteroid guides for the computed bodies include mythology alongside full sign and house readings.
Asteroid Astrology
Asteroid Astrology Guide
The master guide to reading asteroids in a natal chart. Starts with the Big Four and builds outward to the love asteroids, Apollo, and the full working list.
Asteroid Astrology
Important Asteroids in Astrology
A working library of the 12 asteroids covered here, tiered by how often they are read in real charts. Shorter entries per body with links to full guides and calculators.
The Big Four
Vesta Asteroid Guide
Where your attention becomes sacred: focus, devotion, the inner flame. Meaning in all 12 signs and houses, plus mythology and how Vesta differs from the Sun.
The Big Four
Pallas Asteroid Guide
Pattern recognition, strategic intelligence, and the weaving mind. Meaning in all 12 signs and houses, plus mythology and how Pallas differs from Mercury.
The Big Four
Juno Asteroid Guide
What you need in a committed partner and how your psyche architects long bonds. All 12 signs and houses, plus Juno in synastry and crises of commitment.
The Big Four
Ceres Asteroid Guide
How you nurture, receive care, and process loss. All 12 signs and houses, plus the Proserpina myth and how Ceres differs from the Moon.
Love Asteroids
Eros Asteroid Guide
The specific voltage that wakes your attention. All 12 signs and houses, plus Eros in synastry with Psyche and the older mythology of the god.
Love Asteroids
Psyche Asteroid Guide
Where your soul is most recognizable. All 12 signs and houses, the Psyche and Eros myth, Psyche in synastry, and the underworld descent.
Love Asteroids
Aphrodite Asteroid Guide
Felt beauty, distinct from Venus. All 12 signs and houses, plus mythology, Aphrodite in synastry, and how she differs from Venus.
Mythological Asteroids
Apollo Asteroid Guide
Clarity, healing, articulate light. All 12 signs and houses, plus Apollo mythology, key aspects, and Apollo as vocational compass.
Love Asteroids
Amor Asteroid Guide
The tender, devotional half of love. Meaning by sign and house, mythology, and how Amor differs from Eros and Venus.
Reputation Asteroids
Fama Asteroid Guide
How your name travels and what you tend to be remembered for. Reputation read by sign and house, with mythology from Virgil's Aeneid.
Vocational Asteroids
Talent Asteroid Guide
The given weight: the gift that arrives already formed before the work begins. Read by sign and house, paired with Apollo and Saturn.
Vocational Asteroids
Destinn Asteroid Guide
The role that feels cast. A modern asteroid named for an opera soprano, read honestly for destined vocation and public emergence.
Relationship Asteroids
Union Asteroid Guide
The bond as its own entity. What shape the couple tends to take once two people are joined. Read alongside Juno and Venus.
Vocational Asteroids
Industria Asteroid Guide
The daily engine of productive labor. The rhythm of work itself, distinct from Saturn's long discipline and Vesta's sacred focus.
Thematic Hubs
Love Asteroids in Astrology
The four frequencies of love: Eros, Psyche, Aphrodite, Amor. How to read them as a set and use them in synastry.
Thematic Hubs
Spiritual Asteroids Guide
The sacred cluster: Vesta, Isis, Sophia, Hekate, Persephone, Urania, asteroid Lilith. Devotion, descent, wisdom, refusal.
Thematic Hubs
Fame Asteroids in Astrology
How your name travels and what it costs: Fama, Apollo, Achilles, Niobe, Industria, Talent. The full fame cluster.
Thematic Hubs
The Fates Asteroids
Klotho spins, Lachesis measures, Atropos cuts. The Moirai of Greek myth as asteroids describing karmic timing in the chart.
Zodiac Mythology
Zodiac Gods and Goddesses
The divine archetypes of each zodiac sign. Primary deities from Greek, Roman, and Egyptian traditions, read through the twelve signs.
Put these concepts into practice
Every guide is paired with a free interactive calculator. No signup required.