Opportunity, major aspect
60°, 1/6
The sextile is a 60° aspect that links planets two signs apart in compatible elements. It describes an opening between two parts of life that pays off when you act on it, rather than a gift that arrives by itself.
The sextile creates a productive, cooperative channel between two planetary principles. The two planets are usually in complementary but distinct elements (fire-air or earth-water; out-of-sign sextiles are the exception), meaning they understand each other's language without being identical. This aspect reveals talent and opportunity — but unlike the trine, sextile energy does not activate itself passively. It requires conscious initiative to unlock its potential.
Developmental arc
Recognising and actively developing latent talents. The sextile represents skills that exist and can be cultivated, but will lie dormant without deliberate effort. It shows where consistent, conscious action yields disproportionate reward.
Elegant problem-solving, intellectual dexterity, and harmonious collaboration in the areas governed by the two planets. The native finds these domains enjoyable and productive when they engage with them actively.
Complacency. Because sextile energy is pleasant but requires activation, it is commonly wasted — the native has the talent but never fully develops it. The opportunity window can close without being seized.
A lasting pattern in one person
Indicates areas of natural aptitude and interpersonal ease. Multiple sextiles often create a sociable, adaptable personality with broad but not always deep capabilities.
A moving planet meets a natal one
Marks windows of opportunity that require initiative to realise. Transiting sextiles rarely deliver outcomes without corresponding effort, but effort during a sextile transit tends to be efficient and well-received.
One person’s planet meets another’s
Indicates enjoyable, productive cooperation. Sextile connections in synastry suggest the two people bring out each other's talents and communicate well, though the relationship may lack the magnetic intensity of harder aspects.
Tradition
Ptolemaic
Also known as
Related patterns
In the sky now
Pairs among the Sun, Moon and planets within 3° of an exact sextile, measured from Earth right now.
A sextile forms when two planets sit about 60° apart, one sixth of the zodiac. By sign, that usually means two signs apart: Aries and Gemini, Taurus and Cancer, Leo and Libra. The elements involved get along — Fire with Air, Earth with Water — so the two planets speak related languages without saying exactly the same thing.
The simplest way to read a sextile is as an open door. The two planets can help each other, and the help is real, but someone has to walk through. Compare the trine, where the planets share one element and cooperate almost on their own. The sextile keeps a little more distance between its planets, and that distance is useful: it leaves room for a choice. A person with Mercury sextile Jupiter may find that teaching, writing or explaining a big idea comes readily once they start, yet nothing happens until they actually pitch the course or send the draft.
Traditional astrologers counted the sextile among the harmonious aspects, a milder relative of the trine. Modern astrologers usually describe it in terms of opportunity, cooperation and skill that grows with use. Both views agree on the core: support that rewards participation.
When a sextile is used well, it tends to look like this:
When it is neglected or overrated, it tends to look like this:
Convert to longitude
Mercury at 8° Gemini: the sign starts at 60°, so add 8°.
68°
Convert to longitude
Mars at 11° Leo: the sign starts at 120°, so add 11°.
131°
Measure the gap
131° − 68° = 63°, already the shorter way round.
63°
Compare with exact
The exact sextile is 60°; the gap is 3° away from it.
orb 3°
Check the allowance
The standard allowance is 5°.
It counts
The sextile measures 60°, exactly one sixth of the 360° circle. That makes it the 6th-harmonic aspect: divide the circle by six and each step is a sextile. In harmonic thinking, 6 is 2 × 3, combining the polarity of the opposition (the 2nd harmonic) with the ease of the trine (the 3rd). Some harmonic astrologers read that combination as ease that has to be put to work, which fits the traditional idea of opportunity neatly. Treat it as an interpretive lens rather than proof.
By whole sign, a sextile joins signs two apart. Those pairs always share polarity — both yang (Fire and Air) or both yin (Earth and Water) — but never modality. Gemini, a mutable sign, sextile Leo, a fixed one, pairs quick, adaptable thinking with steady, warm commitment. Capricorn (cardinal) sextile Pisces (mutable) pairs structure with imagination. The different modalities are part of the point: the two planets work at different tempos, so they complement rather than echo each other.
Degree aspects can slip across sign boundaries. A planet at 28° Aries and another at 1° Cancer are 63° apart, a sextile by degree, yet Aries and Cancer are three signs apart, the sign relationship of a square. Astrologers call this an out-of-sign or “dissociate” aspect. Most modern astrologers still count it, reading the cooperation with some of the friction of two cardinal signs that do not naturally agree. Hellenistic astrologers, who judged aspects primarily by whole sign, would not have called it a sextile at all.
Worked orb example. The wheel at the top of this page shows Mercury at 8° Gemini and Mars at 11° Leo. Here is how to check whether they form a sextile.
| Step | Working |
|---|---|
| 1. Convert the first position | Gemini begins at 60° of the zodiac, so Mercury at 8° Gemini is 60 + 8 = 68°. |
| 2. Convert the second position | Leo begins at 120°, so Mars at 11° Leo is 120 + 11 = 131°. |
| 3. Subtract | 131 − 68 = 63°. The long way round is 360 − 63 = 297°, so the shorter arc is 63°. |
| 4. Compare with the exact angle | 63 − 60 = 3°. The orb, the distance from exactness, is 3°. |
| 5. Check the allowance | A 3° orb sits inside the standard 5° sextile orb, so the aspect counts. It is outside the 1° band reserved for very tight sextiles. |
| 6. Check the signs | Gemini and Leo are two signs apart, Air and Fire, so this is an ordinary in-sign sextile. |
Applying or separating? Mercury moves faster than Mars: roughly 1° to 2° a day when direct, against around half a degree for Mars. Here Mercury sits behind Mars in zodiac order and is catching up, so the gap is shrinking from 63° toward 60°. That makes the sextile applying: it is building toward exactness, which real motion would deliver within several days. Once exact, Mercury would keep gaining, the angle would fall below 60° and the aspect would become separating. If Mercury were retrograde at these same positions, it would be sliding backwards away from Mars, and the same 3° sextile would already be separating. Many astrologers read applying aspects as themes still developing and separating ones as more settled; use that as a refinement, not a rule.
Pairs that cannot form a natal sextile. In a geocentric chart, Mercury never strays more than about 28° from the Sun, and Venus never more than about 47°. So the Sun and Mercury cannot reach 60°, and neither can the Sun and Venus. Mercury and Venus can: when they sit on opposite sides of the Sun, they can end up as much as about 76° apart, so a Mercury–Venus sextile is uncommon but genuine. These limits apply within one chart only. Transiting Venus can sextile your natal Sun, and your Mercury can sextile a partner’s Sun in synastry.
An orb is the allowance either side of the exact angle within which astrologers still count an aspect. This site uses three bands for the sextile:
The sextile gets a smaller allowance than the conjunction, square, trine and opposition, which use 8° here. Many modern astrologers draw that distinction, reasoning that the sextile is the least forceful of the five classic aspects; others give all five the same orb. Neither practice has been tested in a controlled way. It is a judgement about how loudly the aspect speaks.
“Ptolemaic” means the sextile is one of the aspects Ptolemy set out in the Tetrabiblos in the 2nd century CE, together with the opposition, trine and square; he treated the conjunction separately, as bodily co-presence rather than a configuration. He explained these aspects through simple fractions of the circle and counted the sextile as harmonious because it joins signs of the same kind, what we now call polarity.
A natal sextile shows two parts of the personality that cooperate when invited. Example: the Moon in Cancer sextile Venus in Virgo might describe someone whose care shows up as practical favours, and who feels most at ease when that care is noticed and returned. The useful question is where the person already uses this link, and where they could use it more deliberately.
A transiting sextile is a short window when effort travels further than usual. Example: transiting Jupiter sextile your natal Mercury is a good few weeks to pitch, apply, teach or publish. If you do nothing, the window may pass without a trace; if you make the call, the answer often comes back warmer than expected.
In synastry, a sextile between one person’s planet and another’s suggests easy cooperation in that area. Example: your Sun sextile a friend’s Mars can make shared projects feel energising rather than draining. Sextiles rarely supply the magnetism of harder contacts, so they often describe friendship and teamwork as much as attraction.
It is a supportive one. A sextile says two planets can work together without much friction, and that effort in their shared area tends to be well rewarded. Whether the result is good depends on the planets involved and on what the person does: an ignored sextile changes very little.
A trine links signs of the same element, so the planets cooperate almost automatically. A sextile links compatible but different elements, such as Earth and Water, and different modalities, so the cooperation needs to be started. A common shorthand: the trine is a talent you already use, the sextile is a skill you can build.
Several. A grand sextile links six planets in a hexagon of sextiles. A mystic rectangle combines two oppositions, two trines and two sextiles. A yod rests on a sextile with two quincunxes pointing to an apex planet, and a kite uses two sextiles to tie a grand trine to its tail.
A seven-step method for reading any sextile, with a fully worked chart example.
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Every possible sextile among the Sun, Moon, Mercury, Venus and Mars, with a concrete example and a growth edge for each pair.
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Concrete scenes, one action and one pitfall for using a sextile in daily life.
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How long sextile transits last, how retrogrades repeat them and when to act.
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The complete atlas of sextiles involving Jupiter, Saturn, Uranus, Neptune and Pluto, pair by pair.
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Witnessing, sect, reception, declination, harmonics and directions applied to the sextile.
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Three fictional charts showing how sextiles combine with sign, house and competing factors.
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Where the sextile comes from, how schools disagree about it, and books to read next.
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