Birth chart calculator, read layer by layer
Enter your birth date, time and city to draw your natal chart. Each number on the wheel marks one layer and what it tells you.
Three details, three jobs
- Date
- Puts the Sun, Moon and planets in their signs. Most planets move slowly enough that the date alone fixes their sign.
- Time
- Turns the sky into a wheel. The Rising sign changes about every two hours, and the houses turn with it. The Moon moves a full sign in about two and a half days, so the time can also decide its sign.
- Place
- Sets the timezone and the horizon. The same minute in two cities gives two different Rising signs.
The wheel is free. Premium reads it to you.
Free with the calculator
- The chart wheel with every planet at its degree
- Your Sun, Moon and Rising signs
- The sign of every planet, the houses and the aspects drawn on the wheel
With Premium in the app
- Every planet interpreted by sign and house, with its strengths and blind spots
- Your element and modality balance, key houses and strongest aspects
- Personalized forecasts, every tarot spread and Mystic AI, all reading the same chart
Questions
Is the birth chart calculator free?
Yes. The wheel and your Sun, Moon and Rising are free and need no account. The full written reading is part of Premium in the Astrospace app.
What happens when I save my chart?
You create a free account and the chart you just drew is saved to it, so you never type your birth details twice. In the app the wheel and your Big Three stay free; Premium opens the rest of the reading.
What if I don't know my birth time?
Leave the time blank. The chart is then drawn for 12:00: planet signs are usually right, but the Rising sign and houses are approximate, and the Moon can be off by a sign on days when it changes sign.
Which zodiac and house system does it use?
The tropical zodiac, used in Western astrology, with Placidus houses. Positions come from an astronomical ephemeris, not from tables of sign dates.
How is this different from the quiz?
The calculator goes straight from birth details to your chart. The quiz asks ten short questions first, so the reading it unlocks is written around what you said you want to understand.
Want to know what one placement means first? Every Moon, Venus, Mars and Rising sign is explained in plain language.
Placement meanings