Fall
A planet is in fall when it occupies the sign opposite its exaltation — dishonoured rather than destroyed, and worth minus four. The tradition reads it as an exaggerated misfortune: the situation is genuinely difficult and the suffering runs beyond what it merits.
The fuller picture
There are seven falls, one for each traditional planet, each of them the sign opposite that planet's exaltation: the Sun in Libra, the Moon in Scorpio, Mercury in Pisces, Venus in Virgo, Mars in Cancer, Jupiter in Capricorn and Saturn in Aries. On our table fall scores minus four against detriment's minus five, and that ordering is deliberate rather than decorative — losing your honour is graded as less severe than standing in the sign that opposes your own nature.
The reading that goes with it is the most useful thing on this page, because it is not simply "bad". A planet in fall experiences its debility as an exaggerated state of misfortune: the situation is genuinely challenging, and the suffering exceeds what the situation merits. One worked example puts it as a person suffering over their suffering; another reads a significator in fall as someone who feels weakened and incapacitated. Read on an animal rather than a person, a ruler in fall described a creature in an exaggerated state of distress and possibly ill. So fall is about proportion, and detriment is about destruction — a planet in fall may be in less trouble than it feels, and a planet in detriment is usually in exactly as much as it seems.
Fall does not stand alone in a chart, and three qualifications matter in practice. It coexists with dignity: a planet can be in its fall and hold triplicity at the same degree, and the engine sums them, so a fallen planet with triplicity comes out at minus one rather than minus four. It coexists with accidental strength, which produces some of the most readable placements in the tradition — a ruler of the seventh in fall but angular described an eminent doctor with no means to help, well placed to be visible and unable to deliver. And it can be received: a significator in its fall that a planet with a claim on it takes in, particularly by a conjunction in that planet's own sign, is in a materially better state than one nobody receives.
One last distinction, since it is the commonest error in this corner of the tradition: being in fall is not being peregrine. Peregrine means holding no relationship to the sign at all. Fall is a definite relationship and a bad one, which is why our engine keeps a planet in fall out of the peregrine test rather than counting both against it — a fallen Moon was once being penalised twice for one placement.
In your chart
Fall has its own column in the dignities table, scored minus four, toned as an affliction, and summed with any dignity the same planet holds at that degree, so the total tells you the net essential state rather than only the worst thing in the row. The planet dossier names it in the list of dignities a planet holds. Where one significator sits in the sign of the other's fall, iHorary records a negative reception and reads the host as dismissive of the guest — deliberately understated, because that is one testimony rather than a settled attitude.
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