The Major aspects in Astrology
These aspects are commonly used and are most influential.

Conjunction ☌	0° (0-6) or in the same sign • Energies blend, fusion, merging, can cause friction • Planting a seed or acting upon what you’ve planted • New beginning • Subconsciously driven • Transit : A feeling within you, you taking action most of the time • Considered harmonious depending on the planets involved • Could act as a blind spot especially with the Sun (=combust) • In aspect maximum orb of 6° • Associated with number 1
Sextile ⚹	60° or 2 signs apart • Supporting, cooperation, opportunity, makes lazy • Needs more effort than the trine aspect • Activity, choice, integrate • Conscious • Transit : Good for harmonizing relationships • Considered harmonious but makes lazy, weakest aspect, shows possible talents • In aspect maximum orb of 3° • Associated with number 6
Square □	90° or same modality • Friction, conflict, difficulty, instability, frustration • Getting things moving, change, powerful • Dynamic change, stimulate action, passion • Increase self-awareness, expression • Transit : Brings tension, action or breakups in relationships • Could be considered as ‘good’ because it stimulates action • Acts like Mars energy • In aspect maximum orb of 3° • Associated with number 4
Trine △	120° or same element • Assist, opportunities, harmony, natural talents • Solutions, mediation, cooperation • Passive • Transit : Brings new opportunities in relationships, circumstances • Acts like Venusian energy • In aspect maximum orb of 5° • Associated with number 3
Opposition ☍	180° or in the opposite sign • Attraction, separation, challenge, polarizing, confrontation • Things beyond your own control, cooperation • Objectivity vs subjectivity • Transit : Others or circumstances outside of your control create events • Different energies • Acts like Saturnian energy • In aspect maximum orb of 5° • Associated with number 2

The Minor aspects
These are not so common in practice but can give deeper insight onto the whole story of a horoscope.

Semi-Sextile ⚺	30° or the neighbor • Subtle friction, differences, awkward • Unrealized potential • Connector to other aspects involving one of the planets • Need to learn the differences and compromise • “You have what i don’t have” • Healing & transformation • Common in a natal chart, not so much in synastry • In aspect maximum orb of 3° • Associated with number 7
Bi-Quintile bQ	144° or 6 signs apart • Creative power. Stimulate & use gifts • Inactive ability, vaguely aware • Mental & psychological energy • In aspect maximum orb of 3°
Quincunx ⚻	150° • Differences, lack of common ground, intolerant • Stressful, discomfort, affects what it touches • Push-pull, Ping-pong, quick change • separate expressions, individual functioning • In aspect maximum orb of 3° • Associated with number 5