Antiscia

Definition

Antiscia are points that mirror each other across the solstitial axis, which is the Cancer-Capricorn axis in the zodiac. These points have equal daylight due to their symmetrical placement relative to the solstices. For example, a planet at 10° Cancer has its antiscia at 20° Gemini, as both points experience the same length of daylight. Antiscia are used in both traditional and modern astrology to indicate hidden connections, parallels, or potential areas of resonance between planets. While not as prominent as aspects, they can provide additional layers of meaning in chart interpretation.

In a chart

To spot antiscia in a chart, find planets or points equidistant from the solstitial axis (0° Cancer–0° Capricorn). Look for degrees that mirror directly across this axis. Ignore aspects unless they explicitly involve these mirrored points. These connections may reveal subtler influences or hidden dynamics.

Examples

• A planet at 15° Taurus has its antiscia at 15° Leo.
• The Sun at 0° Cancer has its antiscia at 0° Capricorn.

History

Antiscia originates from Hellenistic astrology and was further developed in the Medieval period. Early astrologers used it to explore symmetry and hidden connections in planetary placements.