Syzygy

Definition

Syzygy is an astronomical alignment of three celestial bodies. In astrology, the term usually refers to the alignment of the Sun, Earth, and Moon at a new moon or full moon. In a geocentric chart, these phases appear respectively as a Sun–Moon conjunction or opposition. Traditional astrologers often use “the syzygy” to mean the lunation immediately preceding a birth or another event.

Astrological Meaning

The prenatal syzygy is interpreted by examining whether it was a new or full moon, its zodiacal sign, house placement, degree, ruler, and major aspects. A preceding new moon may emphasize emergence, initiation, or a developing cycle, while a preceding full moon may suggest culmination, visibility, or the integration of opposing factors. Some traditional methods also consider the syzygy when assessing chart rulers, life themes, or the chart’s overall condition. If the lunation occurred near the lunar nodes, it may also have been an eclipse, adding another distinct interpretive factor.

Why It Matters

Syzygy connects an individual chart with the larger lunar cycle active before the chart’s beginning. It can provide background context rather than replacing the Ascendant, luminaries, or other natal factors. Used carefully, it helps astrologers place a birth or event within a broader pattern of beginnings, culminations, and changing levels of illumination.

Related Encyclopedia Entries

• Traditional Astrology
• Astrological Terminology
• Natal Chart