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Horary Question Chart — Cast the Sky of the Moment You Ask, and Read the Answer

Horary is the oldest branch of astrology: instead of a birthday, the chart belongs to the moment a genuine question forms. A question is placed in one of the twelve houses — partnerships in the 7th, money in the 2nd, career in the 10th — and the classical method reads the answer off two rulers: the planet governing your rising sign and the planet governing that house. Whether they move toward each other, have already turned away, or never connect is the whole judgment. This tool casts that chart and walks the rules with you, line by line.

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Horary answers a question, not a birthday. Set the date, time and place of the moment you ask — tradition says to trust the first moment the question properly formed — then choose what kind of question it is.

London · Europe/London · coordinates set

Calculations run entirely in your browser.

What a horary chart is

A horary chart is an ordinary natal-chart cast — same houses, same aspects — except the birth it describes is the question, not a person. Tradition (crystallised in William Lilly's Christian Astrology, 1647) says the sky at the moment the question is truly asked pictures the question's logic: you are the lord of the Ascendant, the thing you ask about is the lord of the relevant house, and the aspect between those two planets is the answer in motion.

An applying aspect means the matter is still growing toward its outcome — usually read yes. A separating aspect means the exact moment has already passed — usually read as a lost opportunity or a no. No aspect at all is read as no connection; the Moon translating light between the lords is the classic rescue; a void-of-course Moon traditionally means nothing comes of the undertaking.

How we compute it

Enter the date, time and place of the moment you ask (there is a one-tap button to use the present instant). We cast the full chart with sub-arcsecond astronomy (VSOP87/ELP via astronomy-engine), take the sign on each house cusp, look up its classical ruler, and find where that ruler actually sits — sign, house and essential dignity.

The two lords are then aspect-tested with the same classical orbs used everywhere on this site (conjunction/opposition 8°, trine/square 6°, sextile 4°), and applying vs separating is decided astronomically: the pair is re-measured one day back, and if the aspect was wider then and is closing now, it applies. The Moon is checked for aspects to both lords (translation of light) and for its live void-of-course status, computed to the minute.

What you get

After casting, the report shows:

  • The verdict in one line: yes (applying), no — timing lost (separating), doubtful (no aspect), or same-party (one lord rules both sides).
  • Your significator and the quesited's: cusp sign, ruling planet, that planet's sign, house and dignity.
  • The lords' aspect with its exact orb, and whether it is applying or separating — decided by real motion, not assumption.
  • The Moon's testimony: translation of light yes/no, its sign and house, and whether it is currently void of course.
  • The fired rules in plain English, so you can see exactly why the verdict reads the way it does.

Asking a question horary can actually answer

The tradition is emphatic: horary wants specific, live, either/or questions tied to a moment — 'Will the offer I received this week come through?' beats 'Will I be successful?'

Pick the house that owns the question: 2nd for money and possessions, 5th for a creative project or romance, 6th for daily work and health, 7th for a named partnership or contract, 8th for shared resources and inheritance, 9th for travel and studies, 10th for career and public standing, 11th for hopes and friends, 12th for things hidden or lost.

Read the verdict as a structured opinion, not an oracle. Dignities colour it: a strong lord (in its own sign or exalted) carries a promise well; a lord in fall or detriment delivers the same answer slowly or weakly. And when the same planet rules both you and the matter, every school agrees the answer is the same: this one is entirely in your own hands.

A worked example: 'Will this partnership come together?' — asked 1 October 2026, 00:30 UT, London

The question sits in the 7th house. The chart rises in Leo at 128.9°, so the querent's lord is the Sun — found in Libra in the 3rd house, in fall: the asker is out of element, worrying rather than wielding. The 7th cusp is Aquarius, ruled by Saturn, sitting in Aries in the 9th — also uncomfortable. That pairing would predict friction even before the aspects, and the judgment is honest about it.

But the lords face each other directly: Sun opposing Saturn with a 3.7° orb — and, re-measured against the sky of the day before, the opposition is tightening, not relaxing. Applying: verdict yes, with the double-dignity caveat that both parties are doing this from weakness. The Moon in Gemini at 4.2° in the 11th is not void of course, so the matter will be carried across the finish line.

The same tool run on 3 October 2026, 09:30 UT for a 10th-house career question shows the other edge of the method: Mars and Mercury there do square each other, but the square was tighter yesterday — separating — and the verdict flips to 'no, the timing is lost' (orb 0.7°).

What this tool does not claim

Every position, aspect and motion above is real astronomy, but the horary grammar built on it — that the chart of a question answers the question — is a pre-modern epistemology with no controlled empirical support, and even within the tradition judgment is artisanal: schools disagree on orbs, on which rulers to use for the water signs, and on how much weight the Moon carries.

This is a faithful, transparent rendering of one classical rule-set, not a substitute for your own reading of a situation. If a verdict nudges a real decision, treat it as one voice at the table. Your data — in fact any data — never leaves your browser.

Where it sits next to other readings

Horary answers one question once; for the long arc there is the Natal Chart, and for chosen timing rather than found timing there is the companion Electional Dates tool on this same shelf. The Void-of-Course Moon page gives the live lunar traffic report that horary weighs so heavily, and the Planetary Days & Hours tool supplies the hour-level elections the classical authors pair with the day-level ones here.

Our method in one line

Chart of the ask-instant cast with sub-arcsecond astronomy (VSOP87/ELP via astronomy-engine); querent and quesited lords from classical rulerships of the cusps; applying/separating decided by re-measuring the lords one day back; Moon's translation-of-light and void-of-course status computed to the minute. Reviewed by Dr. Amara Osei, Astronomy Reviewer.

Step by step

  1. 1

    Form the question properly

    One specific, either-or question, tied to something real. Note the moment it genuinely formed — that instant is the 'birth time'.

  2. 2

    Choose the house

    Pick the topic (2nd money … 12th hidden). That house's lord is the quesited — the answer side of the equation.

  3. 3

    Cast

    The chart of the moment is computed, both lords located and dignitied, and the aspect between them tested for applying or separating motion.

  4. 4

    Read the rules, not just the verdict

    Tip: the fired-rules list shows every factor — lords' dignity, Moon's testimony included. A yes carried by two weakened lords is a different yes.

Frequently asked questions

Do I need my birth data for a horary reading?
No — that is horary's defining feature. The chart belongs to the question's moment, so you enter the date, time and place of asking. (One-tap 'this exact moment' fills the form from your device's clock.) Your birthday plays no part in the judgment.
What makes an aspect 'applying' rather than 'separating'?
Pure geometry with a clock: we measure the angle between the two lords now, then measure it again at the same instant one day earlier using real ephemeris motion. If the aspect angle was further away yesterday and is drawing nearer today, it applies — the outcome is still ahead. If it was tighter yesterday, it separates — the exact moment is behind you.
What is 'translation of light'?
When the two lords don't aspect each other directly, the Moon may aspect both — carrying a message between them like a translator between two people who don't speak each other's language. Classical authors rate it a genuine rescue: the matter completes through an intermediary or a fortunate moment, not through the lords' own motion.
Why does the same question at a different time give a different answer?
Because that is how horary works — different moments, different charts, different lords. Tradition counsels asking once, at the moment the question genuinely forms, rather than re-asking until a pleasing verdict appears. Practically: two casts an hour apart genuinely can flip applying to separating.
Is my question or location sent anywhere?
Calculations run entirely in your browser. Your birth data is never uploaded, never stored on a server, and never shared. The chart, dignities and judgment all run locally in your browser; nothing is uploaded or stored.

Written by

Elena Marchetti

Founder & Staff Astrologer

Methodology reviewed by

Dr. Amara Osei

Astronomy Reviewer

Published 2026-10-01 · Updated 2026-10-01 · Calculated with sub-arcsecond astronomy (VSOP87/ELP via astronomy-engine)

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