Profections

proh-FEK-shunz

Definition

Profections are a way of keeping symbolic time. You take a point in your birth chart — most often the Ascendant, the rising point, but the Sun, Moon, or lots can be used too — and advance it at a steady rate that has nothing to do with where the planets actually are in the sky. In the Hellenistic form, the point moves one whole sign each year of life, and so comes back to its birth sign every 12 years. The name is from Latin profectio, "an advance." Monthly and daily profections divide the year's sign into smaller spans.

In Tradition

In Hellenistic astrology, the planet that rules the sign your Ascendant profects to in a given year becomes the Lord of the Year — a leading time-lord whose natal state and that year's transits are weighed heavily in the year's reading. Ptolemy applies profection to five points; Valens uses it more freely, profecting whatever planet or lot the question calls for.

In Practice

To work out your annual profection, you count one sign onward from the natal Ascendant for each year of life: age 0 is on the 1st sign, age 1 the 2nd, and so on, with the cycle completing every 12 years. The sign you land on becomes the year's area of focus, and its ruling planet is your Lord of the Year — the planet whose natal dignity, sect standing, aspects, and current transits shape the period. Monthly profections divide that year's sign into smaller spans; here Valens uses a thirty-day month and Ptolemy a twenty-eight-day month, and modern astrologers often compare the two. Note that the Hellenistic form — one whole sign per year — is not the same as the later Medieval and modern-traditional form, which moves a smooth thirty degrees per year rather than in whole-sign jumps.

Historical Origin

The technique appears in Dorotheus of Sidon's Carmen Astrologicum (1st century CE), in Ptolemy's Tetrabiblos, and in Valens' Anthologiae (c. 145–175 CE). Holden describes it as a standard part of Greek astrology, found across Dorotheus, Ptolemy, Valens, Firmicus Maternus, and Paul of Alexandria, and carried through Persian and Arabic intermediaries — where Dorotheus's translators call it the "transfer of years" — into the medieval Latin tradition.

Further Reading

  • Dorotheus of Sidon, Carmen Astrologicum
  • Joseph Crane, Astrological Roots: The Hellenistic Legacy
  • Chris Brennan, Hellenistic Astrology: The Study of Fate and Fortune