Natal chart
Your birth chart, drawn to the minute.
Enter the date, time and place you were born. Torvii works out where every planet actually was — from ephemeris data, in your browser, sent nowhere — and draws the wheel with your Big Three and every placement under it.
What a natal chart is, and how this one is drawn
A natal chart — a birth chart — is a map of the sky at the moment and place you were born: where the Sun, Moon and planets stood along the zodiac, and, if the time is known, which of them were rising, culminating and setting from where you were. Astrology reads that map as a portrait; astronomy is what draws it.
Torvii draws it from an ephemeris rather than from a table of date ranges. Positions come from Astronomy Engine to the arcminute, the zodiac is Western and tropical, houses are Placidus, and the aspects are the five major ones — conjunction, sextile, square, trine and opposition — with orbs sized to the bodies involved. It is the same code that runs inside the app.
The wheel follows the convention of every printed chart: the ascendant at nine o’clock, the zodiac running counter-clockwise from it. Without a birth time there is no ascendant, so 0° Aries takes its place and the houses are left out rather than guessed.
FAQ
- Do I need my exact birth time?
- No. The Sun, Mercury, Venus, Mars and the outer planets barely move in a day, so the chart is accurate without a time. What a time adds is the ascendant, the houses and an exact Moon — Torvii computes those only when it has one, and says so when it does not.
- Where does my birth data go?
- Nowhere. The chart is computed inside your browser and the page sends nothing to Torvii. The one exception is the place search, which sends the town name you type — and only that — to a geocoding service so it can be turned into coordinates.
- Is this the same chart the app shows?
- Yes. The site and the app share one chart engine, so the wheel, the Big Three and every placement match. The app adds what the site does not: your daily reading, the transits to this chart, past readings, the two-chart reading and a journal stamped with the sky.
- Which house system does Torvii use?
- Placidus, the mainstream Western default — the same system Co-Star, Chani and TimePassages use, so a chart drawn here matches what you have seen elsewhere.
Go deeper in the app
The chart is the start. In the app, Torvii reads today’s sky against it every morning, keeps every past reading under its own date, and reads two charts together.
In the app
This is the web version. The app goes further.
Your daily reading every morning, transits measured against your own chart, past readings kept by date, a journal stamped with the sky — all of it is in Torvii Astro, free on iOS and Android.