Contrantiscia

KON-tran-TISH-ee-ah

Definition

Contrantiscia are mirror partners across the line between 0 degrees Aries and 0 degrees Libra — the two equinox points. They complement antiscia, which mirror instead across the 0 Cancer / 0 Capricorn line. For any planet, the contrantiscion is the point exactly 180 degrees from its antiscion: if a planet at 10 degrees Gemini has its antiscion at 20 degrees Cancer, its contrantiscion sits at 20 degrees Capricorn. The contrantiscia sign pairs are Aries-Virgo, Taurus-Leo (which it shares with antiscia by symmetry), Gemini-Cancer, Libra-Pisces, Scorpio-Aquarius, and Sagittarius-Capricorn.

In Tradition

Traditional Western astrologers read contrantiscia as the opposing or unfriendly counterpart to the sympathetic antiscia. They agree it works as a hidden aspect — a quiet connection between two points of the zodiac — but disagree on its tone: some traditional sources read it as inimical, while some modern traditional revival writers see it simply as a more open counterpart to antiscia. Both antiscia and contrantiscia call for tight orbs, usually within 1 degree.

In Practice

An astrologer finds a planet's contrantiscion by subtracting its degree-within-sign from 30 degrees and placing the result in the sign opposite its antiscion sign — that is, the sign across the Aries-Libra line. When two planets land on each other's contrantiscia within a tight orb, the pair is flagged as an opposition-like hidden connection. In horary work, contrantiscia between significators — the planets standing in for people or matters — are read as adversarial or competitive ties. The technique serves as a fine-tuning layer rather than a replacement for ordinary aspect analysis, and it earns its keep especially when no ordinary aspect links the two planets at all.

Historical Origin

The contrantiscia doctrine appears in Hellenistic-era astrology and was elaborated in medieval Arabic-Latin sources. Bonatti, in Liber Astronomiae, treats antiscia and contrantiscia together as parts of the broader doctrine of mirror-pair connections across the zodiac. Lilly preserved the technique for the English horary tradition in Christian Astrology (1647), and modern traditional revival authors carry it forward as part of the full classical toolkit.

Etymology

Origin: Latin/Greek. Meaning: From contra (against) + anti (opposite) + skia (shadow) — the counter-point to the antiscia.

Further Reading