From a verse in an old book
to a sentence about you.
Here is the whole journey, in plain words: what the classical books actually say, what we mean by a “rule”, how your sky is worked out, and how all of this differs from sitting with an astrologer.
1 · The books
What is actually written in them
Jyotisha’s classical texts are collections of short verses, composed in Sanskrit. We read two of them, in public-domain English translations: Brihat Jataka by Varahamihira (6th century, translated by N. Chidambaram Iyer in 1885) and Jataka Parijata by Vaidyanatha Dikshita (15th century, translated by V. Subrahmanya Sastri).
Most verses follow one shape: if this is in the sky at birth, this tends to follow in life. Some define the vocabulary — what each house stands for. Here are two, exactly as they appear in the translations we use:
॥The 1st, 4th, 7th and 10th houses are known as Kantaka or Kendra or Chatushtaya houses (quadrants or angles).
॥When the planet occupying the 2nd bhava is aspected by a malefic planet and is unfriendly to the lord of that bhava, or in depression or eclipsed by the Sun’s rays, the person born will suffer pecuniary loss in the ripening of the dasa of that planet.
A traditional astrologer learns hundreds of verses like these and interprets them from memory. The language is old, the conditions are often layered, and two verses can pull in different directions — which is exactly where human judgement, and human error, come in.
2 · Our rules
What we mean by a rule
“Rule” is our word, not the tradition’s. A rule is one verse taken apart into two pieces: a condition a computer can check exactly against your chart, and a reading — one sentence saying what the tradition takes that condition to mean. Here is the second verse above, turned into a rule:
The verse says
A planet in the 2nd house, weakened (afflicted, unfriendly, or in its sign of fall), brings loss of money during its own period.
The condition we check
- ✓ the planet whose period you are in
- ✓ sits in your 2nd house
- ✓ and is in its sign of fall
The reading we may say
“Vaidyanatha reads a planet in the house of holding that is fallen in dignity as bringing loss of resource when its own period ripens.”
Notice what we left out. The verse also allows “aspected by a malefic” or “eclipsed by the Sun”; our rule checks only the part we can test without ambiguity. When in doubt, a rule claims less than its verse, never more.
Every one of our 520 rules is one of three kinds, and each citation says which:
- From a printed verse
- The reading comes straight from a verse in a public-domain translation. Tap it and you read that verse.
- Our restatement of a verse
- The verse is identified, but its old translation is too tangled to quote, so we restate it plainly.
- Standard teaching
- Widely shared doctrine — such as which house stands for marriage — written in our words, claiming no single verse.
3 · Your sky
How your chart is worked out
No guesswork and no horoscope tables. Five steps of astronomy and arithmetic:
01
Your birth moment
Date, time and place. The place gives us latitude, longitude and the local time zone, so the moment can be fixed exactly.
02
Where everything was
We calculate where the Sun, the Moon and the planets stood in the sky at that exact moment — the same astronomy a planetarium uses. Nothing is looked up from a table of horoscopes; it is computed.
03
The Vedic zodiac
Jyotisha measures the zodiac against the fixed stars, which today sits about 24° behind the Western zodiac. We apply that shift (the Lahiri ayanamsa, the standard in India), which is why your Vedic sign often differs from your newspaper sign.
04
Your rising sign and twelve houses
The sign rising on the eastern horizon at your birth becomes your first house; the other eleven follow in order. This is why the exact time matters — the rising sign changes roughly every two hours.
05
Your life's periods
The Moon's position among the 27 nakshatras at birth sets the start of the Vimshottari dasha — a 120-year sequence of planetary periods. That is how we know which chapter of life you are in today, and when it ends.
4 · Side by side
A traditional astrologer, and Astroji
What a rule is
Astrologer
A principle learnt from a guru, from the books and from years of practice — usually held in memory, and rarely written down in the form it is used.
Astroji
One verse's condition, written so a computer can check it exactly, paired with one sentence of what the tradition says it means. 520 of them, all written down.
Where the rules come from
Astrologer
Classical texts, family and guru lineage, and personal experience — blended, and often impossible to separate afterwards.
Astroji
Named texts and named verses — Brihat Jataka and Jataka Parijata — or standard teaching, labelled as such. Every rule says which.
How the chart is made
Astrologer
Today, usually software; in the past, tables and hand calculation.
Astroji
Computed from astronomical data at your exact birth moment, with the same settings every time.
How a reading is formed
Astrologer
The astrologer looks at the chart, recalls what applies, and weighs it in their head. Judgement and memory do the work together.
Astroji
Every rule is tested against your chart, one by one. Only the ones whose condition is actually true for you are used. The AI then writes them up in plain English, and may not add a claim of its own.
Can you check it
Astrologer
Rarely. You are told what the chart says, not which verse says so.
Astroji
Every sourced sentence opens the passage it rests on. You can read the verse yourself.
Consistency
Astrologer
Two astrologers — or one astrologer on two days — may read the same chart differently.
Astroji
The same chart always matches the same rules.
Where we have the edge
- Every sourced line is traceable to a passage you can read.
- All 520 rules are checked, every time — nothing is forgotten.
- The same chart gets the same rules, whoever asks and whenever.
- No remedies to sell you, so no reason to frighten you.
Where a good astrologer still wins
- Weighing many factors together, with experience behind the judgement.
- Knowing you, your family and your circumstances.
- Divisional charts, yogas and compatibility, which we have not built yet.
5 · When you ask
What happens to your question
- 01
Your sky is computed
fixed calculationBirth moment to planetary positions, signs, houses and periods, as described above. Arithmetic, and the same answer every time.
- 02
Every rule is tested against it
fixed calculationEach of the 520 conditions is checked against your chart. It is either true for you or it is not. Nothing is searched, ranked or guessed.
- 03
Your question picks which ones matter
fixed calculationA question about work draws on the rules about work. The question chooses among the rules that already matched — it never invents new ones.
- 04
The matched rules are written up in English
the AIHere, and only here, is the AI. It receives the matched rules and the chart facts behind them, and writes them up for you. It is not given the books to search, and it does not decide what your chart means — that was settled in step 02.
- 05
Every sentence is checked before you see it
fixed calculationA checker maps each sourced sentence back to a rule that was supplied. Anything that does not map is thrown away and the answer is rewritten — which is why the answer arrives whole rather than typing itself out.
6 · Limits
What it will not do
Four of these are permanent, and four are simply not built yet.
Health, illness and diagnosis never
Astrology cannot diagnose, and the texts predate modern medicine by centuries.
Longevity and death never
The classical texts do answer this and name a year. We have made those verses impossible to quote.
Anyone else's chart never
We read the chart of the person in front of us. Nobody else consented to be read.
Remedies, gemstones, pujas never
A standing decision. This is where astrology most often becomes a way of taking money from anxious people.
An exact date for a future event not yet
We give period windows, not dates.
Compatibility between two people not yet
Not built yet. Done badly it causes real harm, so it will be built carefully or not at all.
Divisional charts like the navamsa not yet
Not built yet.
Unknown birth time not yet
Not built yet. Without the time there is no rising sign, so the houses cannot be placed.
2
classical texts read verse by verse
1,182
verses in our library
520
rules, each checked against your chart
No sign-up, and no birth details until a question needs them.