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Birth Chart

Interpret the natal chart: planetary placements, house positions, aspects, and chart patterns.

7129 articles 1 direct 42 sections

Your birth chart -- also called the natal chart -- is a snapshot of the sky at the exact moment and place you were born. It maps every planet, angle, and significant point into a wheel of twelve houses, creating a symbolic portrait of your psychological makeup, relational style, vocational inclinations, and developmental trajectory.

Reading a birth chart is an act of translation. Each planetary placement tells part of the story: the Sun speaks to identity and creative vitality, the Moon to emotional needs and habitual responses, Mercury to how you process information, and so on through the outer planets, Chiron, Lilith, and the lunar nodes. The house a planet occupies shows the life arena where its energy is most active; the sign it falls in describes the style of that expression; and the aspects it forms to other planets reveal inner dialogues -- some harmonious, some charged with creative tension.

In this section you will find detailed guides to every planet in every sign and house, aspect interpretations, personality profiles based on Sun-Moon and Sun-Rising combinations, and articles on chart patterns like stelliums, T-squares, and grand trines. Use these resources as a comprehensive reference for natal interpretation, whether you are examining your own chart or preparing a reading for someone else.

Browse Sections

Sun

The Sun in your chart — your core identity and creative vitality.

184 articles

Moon

The Moon in your chart — your emotional nature and inner world.

185 articles

Mercury

Mercury in your chart — how you think, communicate, and learn.

51 articles

Venus

Venus in your chart — love, beauty, values, and attraction.

50 articles

Mars

Mars in your chart — drive, assertion, desire, and courage.

49 articles

Jupiter

Jupiter in your chart — growth, wisdom, abundance, and faith.

48 articles

Saturn

Saturn in your chart — discipline, structure, responsibility, and mastery.

47 articles

Uranus

Uranus in your chart — innovation, liberation, and sudden change.

46 articles

Neptune

Neptune in your chart — imagination, spirituality, and transcendence.

45 articles

Pluto

Pluto in your chart — transformation, power, and deep renewal.

44 articles

Chiron

Chiron in your chart — the wounded healer and bridge to wisdom.

188 articles

Lilith

Lilith in your chart — the wild, untamed, and unapologetic self.

197 articles

Lunar Nodes

The karmic axis of destiny. Explore your soul path through the Nodes.

356 articles

Vertex

51 articles

Part of Fortune

179 articles

Ceres

24 articles

Pallas

24 articles

Juno

24 articles

Vesta

24 articles

Angles

The Ascendant, Midheaven, Descendant, and IC — the four chart angles.

54 articles

Houses

Planets placed in each of the twelve houses of your birth chart.

12 articles

Personality Profiles

Sun-Moon and Sun-Rising combinations for personality insight.

2736 articles

Chart Ruler

193 articles

Chart Analysis

42 articles

Aspects

192 articles

Retrograde Planets

1 article

Intercepted Signs

20 articles

Out of Bounds

8 articles

Unaspected Planets

9 articles

Patterns

22 articles

Moon Phases

8 articles

Asteroids

865 articles

Calculated Points

26 articles

Aspect Patterns

7 articles

Birthday Astrology

What your birthday reveals: personality traits, strengths, and growth themes for every day of the year, organized month by month.

366 articles

Centaurs

151 articles

Eros

14 articles

House Rulers

144 articles

Midheaven

144 articles

Psyche

38 articles

Specialized Placements

10 articles

TNO

250 articles

Articles

1 article

Frequently Asked Questions

What do I need to calculate my birth chart?
You need three pieces of information: your date of birth, your exact time of birth (as close to the minute as possible), and your place of birth. The time determines the Ascendant and house cusps, which shift roughly one degree every four minutes. Without a precise birth time, the house placements and angles will be unreliable.
Which part of the birth chart is the most important?
No single factor outweighs everything else -- that is what makes chart reading an art. However, most astrologers begin with the "big three": the Sun sign, Moon sign, and Ascendant (Rising sign). Together they sketch your core identity, emotional temperament, and the persona you project into the world. From there, look at the chart ruler, any stelliums, and the most exact aspects.
Can my birth chart change over time?
The natal chart itself is fixed -- it records a single moment. What changes is how you relate to its symbolism as you mature. Transits, progressions, and other timing techniques describe the evolving conversation between the sky now and the sky at your birth, highlighting different natal potentials at different life stages.