The trine makes two functions cooperate effortlessly: it is the aspect of natural accord.
Two forces in the chart agree on their own: the talent is there, but you still have to decide to put it to work.
A natural talent, which lets you succeed at certain things with disarming ease.
Settling into the comfort of this gift and never really exercising it.
By Thomas Guilhot · updated
A child who draws accurately without ever taking a lesson, a colleague who eases a tense meeting with a single sentence: the trine resembles those gifts you do not remember learning.
The two planets are 120° apart, generally in two signs of the same element, fire, earth, air, or water. They share a temperament and flow toward each other without resistance, like two instruments tuned to the same scale.
Tradition calls it harmonic, and it is the most fluid of the aspects. Sun trine Jupiter would give a confidence that attracts opportunities; Mercury trine Saturn, a methodical mind that does not tire; Moon trine Venus, a gentleness that soothes those around. The person lives these accords as a given, so much so that they do not always notice them. The calculation accepts up to 7° around the 120°, and 8° if a luminary is involved.
Its downside is comfort. Because nothing forces you to work this talent, it can remain at the stage of potential. A chart rich in trines and poor in tensions would describe an easier life, but also one less pushed toward effort. Astrologers often advise leaning on a square or an opposition to put these gifts to work: the ease then serves a project, instead of spinning idly.
Between personal planets, a trine describes a tenderness that comes naturally: each guesses what the other needs, silences do not weigh, habits fit together.
When it links two charts, it signals a compatibility of temperament, a mutual comfort. It does not guarantee passion, which arises more from tensions; it favors longevity, if you take care to surprise the other from time to time.
The trine points to natural skills, those you use without fatigue and that others admire: explaining clearly, convincing a client, fixing a machine without a manual.
It eases learning and collaboration. Its trap would be to rest on your gifts and neglect practice. Choosing a demanding goal, a competitive exam, a certification, a more visible role, would reveal its full value.
Some areas seem simple, almost too simple: cooking without a recipe, finding your way in an unfamiliar city, calming a family conflict with a word.
These are often traces of a trine. We take them for granted and forget they do not come naturally to everyone. Noticing them, then sharing them, turns a personal comfort into a useful resource for those around you.
Ptolemy, in the Tetrabiblos, explains the trine through the accord of signs of the same gender and the same triplicity, that is, the same element: fire with fire, water with water.
He judges it the most harmonious of the aspects, because the two signs share everything, quality as well as nature. Medieval authors and Lilly held it to be a look of perfect friendship, able to soften even planets reputed to be difficult, such as Mars or Saturn.
The moderns nuance this: Dane Rudhyar read in it a phase of realization in the cycle of the two planets, and several authors recall that an unexercised gift remains without effect.
Tradition calls it harmonious: the two functions are said to agree effortlessly.
The orb is the margin allowed around the exact angle (see the orb concept); the site uses ± 7°, ± 8° with a luminary.
120° = 4 × 30°: the two planets are usually 4 signs apart.
Between 113° and 127° apart, the aspect counts (± 8° if the Sun or the Moon is involved).
Tradition calls it harmonious: the two functions are said to agree effortlessly.
A 120° gap between two planets, four signs apart; the site accepts it up to 7° of inexactness, and 8° for a pair with a luminary. It generally joins two signs of the same element. Tradition calls it harmonic: the two functions cooperate spontaneously, like two voices in tune.
The site calls no aspect good or bad. The trine describes an ease, and every ease has its downside: comfort, laziness, the obvious that is no longer questioned. A trine between Mars and Neptune, for example, would make action inspired but sometimes vague. Its value depends on what the person does with it.
It is a figure where three planets form three trines among themselves, drawing an equilateral triangle on the wheel, often in three signs that share fire, earth, air, or water. Modern authors see in it a closed circuit of ease: a powerful talent, but one that sometimes goes in circles for lack of outside tension to set it in motion.
The pairs
Each cell leads to the pair’s page. The luminaries have a slightly wider orb.
| Moon | ☌︎⚹︎□︎△︎☍︎ | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Mercury | ☌︎Sun and Mercury: impossible aspect | ☌︎⚹︎□︎△︎☍︎ | |||||||
| Venus | ☌︎Sun and Venus: impossible aspect | ☌︎⚹︎□︎△︎☍︎ | ☌︎⚹︎Mercury and Venus: impossible aspect | ||||||
| Mars | ☌︎⚹︎□︎△︎☍︎ | ☌︎⚹︎□︎△︎☍︎ | ☌︎⚹︎□︎△︎☍︎ | ☌︎⚹︎□︎△︎☍︎ | |||||
| Jupiter | ☌︎⚹︎□︎△︎☍︎ | ☌︎⚹︎□︎△︎☍︎ | ☌︎⚹︎□︎△︎☍︎ | ☌︎⚹︎□︎△︎☍︎ | ☌︎⚹︎□︎△︎☍︎ | ||||
| Saturn | ☌︎⚹︎□︎△︎☍︎ | ☌︎⚹︎□︎△︎☍︎ | ☌︎⚹︎□︎△︎☍︎ | ☌︎⚹︎□︎△︎☍︎ | ☌︎⚹︎□︎△︎☍︎ | ☌︎⚹︎□︎△︎☍︎ | |||
| Uranus | ☌︎⚹︎□︎△︎☍︎ | ☌︎⚹︎□︎△︎☍︎ | ☌︎⚹︎□︎△︎☍︎ | ☌︎⚹︎□︎△︎☍︎ | ☌︎⚹︎□︎△︎☍︎ | ☌︎⚹︎□︎△︎☍︎ | ☌︎⚹︎□︎△︎☍︎ | ||
| Neptune | ☌︎⚹︎□︎△︎☍︎ | ☌︎⚹︎□︎△︎☍︎ | ☌︎⚹︎□︎△︎☍︎ | ☌︎⚹︎□︎△︎☍︎ | ☌︎⚹︎□︎△︎☍︎ | ☌︎⚹︎□︎△︎☍︎ | ☌︎⚹︎□︎△︎☍︎ | ☌︎⚹︎□︎△︎☍︎ | |
| Pluto | ☌︎⚹︎□︎△︎☍︎ | ☌︎⚹︎□︎△︎☍︎ | ☌︎⚹︎□︎△︎☍︎ | ☌︎⚹︎□︎△︎☍︎ | ☌︎⚹︎□︎△︎☍︎ | ☌︎⚹︎□︎△︎☍︎ | ☌︎⚹︎□︎△︎☍︎ | ☌︎⚹︎□︎△︎☍︎ | ☌︎⚹︎□︎△︎☍︎ |
| Sun | Moon | Mercury | Venus | Mars | Jupiter | Saturn | Uranus | Neptune |
Crossed-out cell: an aspect the sky never forms (Mercury stays within 28° of the Sun, Venus within 47°).