← Encyclopedia of Astrology · lesson 79/235
Whole sign houses
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What it is
In whole sign houses, each house is exactly one sign of the zodiac. The sign rising on the eastern horizon at birth — the sign that holds the Ascendant — is the whole of the first house, from 0° to 30°. The sign after it is the second house, the next the third, and so on round the circle. If Leo is rising, Leo is the 1st house, Virgo the 2nd, Libra the 3rd, and Cancer the 12th.
It is the simplest of all house systems: nothing has to be calculated beyond the rising sign.
How it differs
- The Ascendant is inside the first house, not on its edge. The exact rising degree can fall anywhere from the start of the sign to its end. It is still read as a powerful point, but it is not a house boundary.
- No planet is "on a cusp". Every house begins at 0° of a sign, so a planet is always unambiguously in one house — and its house and its sign always change together.
- The Midheaven floats. The highest point of the ecliptic is not tied to the tenth house. At most latitudes it falls in the ninth, tenth or eleventh sign from the rising sign. Whole sign astrologers usually read both: the tenth sign for career and standing as a house, and the Midheaven as a separate sensitive point wherever it lands.
- It works everywhere. Because nothing is projected onto the sky, it never distorts or fails, even for births far inside the Arctic or Antarctic circles, where several quadrant systems give extreme results or none at all.
In the tradition
Whole sign houses are the oldest system there is evidence for. Horoscopes from Roman Egypt around the turn of the era are counted this way, and the Hellenistic authors — Dorotheus, Valens and others — generally assume it, calling the houses places (topoi) counted from the hour-marker. The same idea travelled east and survives in Indian astrology, where the rasi chart has always counted houses by sign.
In the West it fell out of use in the medieval period as quadrant systems took over, and was largely forgotten until the 1990s, when the translations of Project Hindsight and the work of Robert Hand, Robert Schmidt and later Chris Brennan argued that the ancients had been counting by whole signs all along. It is now among the fastest-growing systems in Western practice.
Not everyone reads the evidence the same way. Some Hellenistic texts also divide the sky from the exact degrees of the angles, and scholars still debate whether those divisions were used for topics, for planetary strength, or both. Many traditional astrologers today use whole sign houses for the topics of life and watch the exact angles separately for strength.
When astrologers reach for it
- Hellenistic and much medieval technique, such as annual profections, the planetary joys, sect and the reading of aspects between houses, which all come out most cleanly when houses and signs coincide.
- Vedic astrology, where the sign-based chart is the norm.
- Births at high latitudes.
- Anyone who prefers a chart where a planet's house is never in doubt.
In a reading here
Whole sign is one of the seven house systems Viastaro offers. Charts use Placidus unless another system is chosen, as a default for the account and per person in the reading settings; changing it to whole sign changes which houses planets are read in, never their signs or aspects.