Natal Astrology
Free Birth Chart Calculator
Enter your birth date, time and city and get your full natal chart free, in seconds — sun, moon and rising, every planet by sign and house, aspects, and the balance of the elements.
1
Enter your birth date
Day, month and year — the chart is cast from the real sky of that moment.
2
Add your exact birth time
From your birth certificate if possible. Time unknown? Tick the box and noon is used; only the rising sign and houses become approximate.
3
Choose your birth city
Latitude, longitude and time zone are applied for you, with a daylight-saving option.
What this free birth chart calculator gives you
Your Big Three
Sun sign, moon sign and rising sign with the degree each one sits at — the three layers most readings start from.
Every planet by sign and house
Mercury through Pluto, plus the ascendant and midheaven, each with a written interpretation and retrograde status.
The twelve houses
Whole-sign houses with their themes and which planets live in them.
An interactive aspect wheel
Tap a glyph to isolate a planet and see every conjunction, square, trine and opposition it makes, with orbs.
Element and modality balance
How much fire, earth, air and water you carry, and whether you lead cardinal, fixed or mutable.
A chart you can keep
Export the whole reading to PDF, or save your birth details once so every other reading on the site uses them.
How to read your natal chart
Start with the sun: the drive at the centre of the life. Then the moon, which describes what you need to feel safe, and the rising sign, the manner in which you meet the world. Together these three explain most of what people notice about you.
Next read each planet by house rather than by sign alone. The sign is the flavour; the house is the room of life it happens in — work, money, home, love, health. A planet in the tenth house shows up in your public life; the same planet in the fourth works quietly at home.
Finally read the aspects. Trines and sextiles describe talent that arrives easily; squares and oppositions describe friction that builds skill. A chart with few hard aspects is not better, only smoother — and often less pressed to grow.
Where to read next
Your natal chart is the fixed map. Two readings move on top of it: the solar return, which frames the twelve months from one birthday to the next, and synastry, which compares your chart against someone else's.
Free solar return calculator
Cast the chart for your next birthday and read the year ahead — rising sign of the year, Sun house, and sectioned notes on love, career and health.
Love compatibility calculator
Score any two signs on passion, trust, communication, intimacy and longevity, or compare two complete birth charts.
In short
Free birth chart calculator: enter your birth date, exact time and city to get your natal chart instantly — sun, moon and rising, every planet by sign and house, aspects and elemental balance.
- Note the chart ruler — the planet ruling your rising sign. Its condition colours everything.
- Retrograde personal planets turn the function inward before it turns outward; that is delay, not damage.
- An unaspected planet operates without negotiation and often feels like a separate person living inside the life.
- Angular placements — near the ascendant, midheaven, descendant or nadir — are the loudest things in the chart.
10
Bodies read
12
Houses
5
Major aspects
1°
Per 4 min of birth time
The natal chart — a map of the heavens frozen at the moment of a first breath — appears in cuneiform horoscopes from around 410 BCE. Hellenistic astrologers added the house system, the ascendant and the aspect doctrine, producing something close to the chart wheel still drawn today. Almost nothing about the geometry has changed in two thousand years; only the arithmetic got faster.
The chart is not a prediction. It is a set of conditions: planets describe functions, signs describe style, houses describe the field of life where the function plays out, and aspects describe how the functions negotiate with each other.
Questions Readers Ask
Which house system should I use?
Placidus is the modern default and is what most software shows. Whole Sign is the older Hellenistic method and is clearer near the poles. Read both; where they agree, trust it.
What is a chart shape?
The distribution of the ten bodies around the wheel — bowl, bundle, splash, seesaw. It describes how concentrated or dispersed the life's attention naturally runs.
Do the outer planets matter personally?
Uranus, Neptune and Pluto move slowly and mark generations, but by house and aspect they become intensely personal.