6th house in astrology: work, health, the place of Mars

Firmicus Maternus recalls the Greek name of the 6th house, cacen tychen, Bad Fortune (Mathesis, book II, chapter 17), and gives the reason in chapter 19: it is called so “because it is the place of Mars.” In it, he writes, lies the cause of defects and of health. Valens titles his chapter “house VI, the place of Mars” (Anthology, book II, chapter 11), and his table of names links Bad Fortune with injuries (chapter 16).

Paul of Alexandria also calls it Bad Fortune and reads in it injuries, servitude, enmities and plots (Introduction, chapter 24, from Dorian Greenbaum, The Daimon in Hellenistic Astrology, 2016). Lilly sums it up in one line: Mars rejoices in this house (Christian Astrology, book I, chapter VII, p. 54). The malefic of the night finds his joy below the horizon, as Saturn finds his in the 12th house.

The bad reputation of the 6th house comes first from geometry. The sign it occupies forms no aspect with the sign of the Ascendant. For this reason Firmicus ranks it among the “sluggish and cast-down” places, with no connection to the Ascendant. Lilly calls it unfortunate, “as having no aspect to the Ascendant.” Al-Biruni draws a distinction among the cadent houses (§ 499): the 3rd and the 9th are merely cadent, while the 6th and the 12th are, on top of that, unconnected to the Ascendant.

Firmicus leaves a door open, though: the malice of the place is sometimes lightened if the body in it is joined by a favorable aspect to a body placed in the 10th house. In Lilly's order of strength, the 6th house is next to last, ahead of the 12th.

In Placidus houses, the cusp of the 6th house does not always fall in the sixth sign from the Ascendant, and the geometric rule has to be checked case by case. For Camille, it holds: the Aries of the 6th cusp and the Scorpio of the Ascendant are five signs apart, a distance that forms none of the ancient aspects.

Lilly draws up a very concrete list: servants and maids, small cattle and the profit to be had from them, tenants and day laborers, uncles, and sickness, its nature, cause and duration. He gives it Virgo and Mercury as consignificators. Al-Biruni puts there sickness, bodily defects, overwork, loss of goods, servants and livestock (Book of Instruction, § 461).

The modern reading has kept Virgo and Mercury as an analogy, and makes the 6th house the house of daily work, routines, service given, colleagues, health habits. Less the career than the repeated gestures that make it possible.

As a cadent house, it adapts and prepares: it forms the transition between the 5th house of self-expression and the angle of the 7th house. It forms an axis with the 12th house: regulated action on one side, retreat and rest on the other.

The cusps are calculated in Placidus. The “House cusps” table in chapter I gives the 6th house cusp with its sign and its ruler, in modern rulerships. An empty 6th house is read through that ruler.

In chapter IV, the Vitality & pace of life section reads the 1st and 6th houses, their cusps, their rulers and their occupants, with Chiron, Mars and, if it appears in the data, the asteroid Hygiea. The instruction is strict: health habits, rhythm and energy in the astrological sense only. The report gives no medical advice, makes no diagnosis and names no illness or part of the body “at risk.” The old lists of diseases stay in the history books.

A planet in the 6th house colors daily work and the way you take care of yourself. Mars puts committed energy into concrete tasks, Saturn a rigor fully embraced in routines, Venus harmony in working relationships and care in health habits. Lilly notes that Mars and Venus conjoined in this house are arguments of a good physician: the house of care can also describe the person who gives it.

On the 6-12 axis, too much 6th house without the 12th can lead to exhaustion from doing too much, and the reverse to running away from obligations. The balance lies between active service and rest.

For Camille Morel, AstralPro's sample chart (fictional data), the cusp of the 6th house is at 26°43' Aries, and the house stops at the entrance to the 7th, at 15°59' Taurus: it is the narrowest of the first six houses. No body occupies it. Ceres, at 24°41' Aries, lies just before the cusp, in the 5th house.

The ruler is therefore the key, and it is Mars, ruler of Aries in both systems. It lies at 3°38' Sagittarius, in the 1st house, peregrine, and it also rules the 5th house. Tradition has Mars rejoice in the 6th house; for Camille, the ruler of the 6th acts from the Ascendant. It thus rules two consecutive houses, that of pleasure and that of daily life, and ties both to the direct presence of the 1st house.

Vitality & pace of life thus joins the two houses through the same body. There the report selects Mars square the MC, orb 3°23'. Hygiea, at 1°51' Libra in the 10th house, forms a sextile to Mars (orb 1°47') and is read in this section. Chiron, at 7°52' Virgo in the 10th house, receives an applying square from Mars (orb 4°14'). Pholus, square Mars at 0°11', is read in the Mars block, in chapter I.