A plain-language definition for anyone researching sextile, what it is, where it comes from, and how practitioners use it.
85 plain-language definitions · Cited sources · Persona-authored
By Astrid Moon · Updated August 3, 2026
Resident Astrologer
What is sextile?
A sextile is an aspect of 60 degrees between two planets, usually in compatible elements. In traditional Western astrology, sextiles describe gentle opportunity, energies that cooperate when consciously engaged, less effortless than trines but easier than squares.
The sextile is the quietest of the major aspects. Two planets at 60 degrees do not pull at each other (like squares) or merge (like conjunctions); they offer cooperation if asked. The chart suggests sextiles as latent opportunities, gifts that show up when you pick them up, but stay quiet otherwise.
In traditional Western astrology, the sextile sits between fire-air or water-earth pairings, elements that complement each other. According to Robert Hand, a sextile often correlates with skills you can develop through practice rather than ones that arrive ready-made. The chart suggests engagement is required, the trine is gift, the sextile is invitation.
The sextile is one of the original Ptolemaic aspects, defined in the 2nd-century Tetrabiblos. Hellenistic Greek astrologers considered it weaker than the trine but supportive, what later medieval astrologers called a 'minor benefic' aspect. The modern psychological school reads it as the aspect of conscious skill-building, distinct from the trine's innate gift.
To find a sextile in your chart, look for any two planets two signs apart (60 degrees), usually in compatible elements: fire-air or water-earth. Free birth charts display sextiles automatically alongside the other major aspects.
Astrologers read sextiles as opportunity zones, places in your chart where the chart suggests gentle cooperation when you engage consciously. A Mercury-Mars sextile, for instance, often correlates with sharp decision-making that strengthens with practice. Many people find their sextiles only become visible when they start doing the work the aspect describes.
These glossary terms are closely connected to sextile:
A trine (120°) describes effortless flow; a sextile (60°) describes opportunity that requires conscious engagement. Same kind of harmony, different intensity.
Most modern astrologers use 4-6 degrees of orb for a sextile, tighter than for conjunctions or oppositions. Some traditional astrologers use up to 8 degrees.
Yes, especially in stacked configurations or in synastry. Solo sextiles can be subtle, but they often describe the developable skills of a chart.
A grand sextile is six planets all forming sextiles to each other, creating a six-pointed star shape. It's extremely rare and considered a highly cooperative configuration.
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