Astrology looks impossible from the outside. A wheel full of glyphs, twelve of these and twelve of those, and everyone talking as though you already know what a third house Mars means.
It is much smaller than it looks. A birth chart is built from three things, and every reading you will ever do is a sentence made from them.
Signs are how something behaves. Planets are what the something is. Houses are where in your life it shows up.
That is the entire grammar. Mars in Aries in the tenth house is one sentence: drive, expressed bluntly, in your career. Learn the three vocabularies and you can read that sentence yourself.
This page holds all three, in the order that makes them stick.
The twelve signs
Signs describe style. Not what happens, but the manner of it. The fastest way to learn them is by element, because the four elements do most of the work and the individual traits hang off them.
Fire · acts first
Aries (21 Mar to 19 Apr) · starts things, hates waiting
Leo (23 Jul to 22 Aug) · performs, wants to be seen doing it well
Sagittarius (22 Nov to 21 Dec) · chases the bigger version, resists being pinned down
Earth · builds
Taurus (20 Apr to 20 May) · steady, sensory, immovable once settled
Virgo (23 Aug to 22 Sep) · refines, notices the flaw nobody mentioned
Capricorn (22 Dec to 19 Jan) · plays long, respects the climb
Air · thinks and connects
Gemini (21 May to 20 Jun) · curious, quick, easily bored
Libra (23 Sep to 22 Oct) · weighs, balances, wants it fair
Aquarius (20 Jan to 18 Feb) · steps outside the system to look at it
Water · feels
Cancer (21 Jun to 22 Jul) · protects, remembers, tends
Scorpio (23 Oct to 21 Nov) · goes deep, all or nothing
Pisces (19 Feb to 20 Mar) · dissolves boundaries, imagines, absorbs
Dates shift by a day either side depending on the year, so if you were born on a cusp you need your birth year to be certain.
There is a second layer called modality, which sorts the signs into cardinal (starts), fixed (sustains) and mutable (adapts). Learn elements first. If you want every sign properly, with its dates, its ruling planet and the cost that comes with each gift, the full guide to all twelve signs covers them one by one.
Zodiac Signs Explained: All 12 Signs, Dates & Traits
Every sign with its dates, element, modality and ruling planet, plus the gift and the cost of each one.
Your Big Three
When people say their sign, they mean their Sun. It is one placement out of dozens, and on its own it is a thin description of anybody.
The three that carry the most weight:
Sun: what you are working towards. The self you are building. This is the sign the magazines mean.
Moon: your inner weather. How you process feeling, what you need to feel safe. Often the placement people recognise most once they hear it.
Rising (or Ascendant): the sign that was coming over the horizon at your birth. It sets your whole house structure, and it is usually what strangers meet first.
How to find them without a calculator
Your Sun you already have. Find your birthday in the sign list above.
Your Moon moves through a sign roughly every two and a half days, so you need your birth date and a rough time. Your Rising changes about every two hours, so it needs your birth time as precisely as you can get it, plus your birth city.
Birth certificates usually carry the time. If yours does not, ask whoever was there. A guess is better than nothing for the Moon and close to useless for the Rising, so mark your Rising as uncertain rather than wrong.
Once you have those three, the rest of the wheel opens up. Our guide to read the whole chart, step by step takes the wheel apart piece by piece and puts it back together as something you can say out loud.
How to Read a Birth Chart: A Beginner’s Guide
The grammar of a chart, worked examples, the order to read placements in, and what to ignore until later.
The planets
Planets are the what. Each one governs a drive, and the sign it sits in tells you the style that drive runs in.
Sun: identity, purpose
Moon: emotion, instinct, need
Mercury: thinking, speaking, learning
Venus: love, taste, what you value
Mars: drive, anger, appetite
Jupiter: growth, luck, excess
Saturn: limits, discipline, the long lesson
Uranus: disruption, sudden change
Neptune: dream, illusion, dissolution
Pluto: power, death and rebirth of a thing
The first seven matter most for reading a person. The outer three move so slowly that everyone born within a few years of you shares them, which makes them generational rather than personal.
The twelve houses
Houses are the where. Twelve slices of the chart wheel, each governing an area of life. A planet in a house tells you which room of your life that drive keeps walking into.
1st self, body, first impression
2nd money, possessions, self-worth
3rd communication, siblings, short journeys
4th home, roots, family
5th play, romance, creativity, children
6th work, routine, health
7th partnership, one-to-one relationships
8th shared resources, intimacy, transformation
9th belief, travel, higher study
10th career, reputation, public role
11th friends, groups, hopes
12th the unconscious, retreat, what is hidden
Notice the pattern. The first six are about you. The second six are about you meeting the world. That symmetry is the fastest way to remember them.
Still to come
The 12 Houses in Depth
Each house on its own, with the placements that land there most often and what they mean.
Mercury Retrograde, Explained
What it is astronomically, what astrologers actually claim about it, and a sane way to think about the whole thing.
Your first month
Week 1. The elements. Learn fire, earth, air and water, and which three signs sit in each. Do not memorise traits yet.
Week 2. The signs proper. Add modality and ruling planets on top of the elements you already know.
Week 3. The houses. Twelve areas of life. This is the step that turns a chart from a picture into something readable.
Week 4. Read your own chart. Take three placements and write a sentence for each: planet, sign, house. That is a reading.
Read charts of people you know rather than strangers. You can check yourself against a person you understand, and that feedback is what builds the skill.
Coming from tarot?
The two systems share more than most beginners expect. The elements are the same four, the planets turn up across the Major Arcana, and both are built on the same instinct: a fixed set of symbols you learn to combine.
If you read cards already, start with Learn Tarot and come back here. The pattern-reading muscle carries straight over.
Or coming from numbers?
Numerology asks the same question astrology does, with a smaller alphabet. One date, a little addition, and a single number that describes the shape of a life. If you want the fastest possible first result from any of this, that is where to get it: Numerology for Beginners: How to Find Your Life Path Number.
Practise it daily
Astra Trainer turns all of this into short daily lessons, from single placements up to whole-chart reading. Five minutes a day, free to start.
» Start free and pick your Astrology world
Frequently asked questions
Where should I start with astrology?With the four elements, then your Big Three. Sun, Moon and Rising give a far fuller picture than a Sun sign alone, and they are the foundation everything else sits on.
Do I need my exact birth time?For your Rising sign and your houses, yes. Both change roughly every two hours. Your Sun sign almost never depends on the time, and your Moon usually does not.
What if I was born on a cusp?There is no such thing as being half a sign. The Sun was in one sign or the other at the moment you were born, and your birth year settles it.
Is astrology the same as astronomy?No. Astronomy is the science of what is physically out there. Astrology is a symbolic system that uses those positions as a language for reflection. We treat it as the second thing: a tool for thinking, not a prediction engine.
How long does it take to learn?You can read your own chart’s basics in a month of steady practice. Reading a stranger’s chart on sight takes longer, but every chart you read counts as practice.
Which part of the chart do you want taken apart first? Tell me in the comments and I will write that one next.
Alex, Founder, Astra Trainer 🌟