Eclipses are powerful astronomical events when the Sun, Moon, and Earth align in such a way that one body's light is temporarily blocked. Solar eclipses occur when the Moon passes between Earth and Sun. Lunar eclipses occur when Earth passes between Sun and Moon. In astrology, eclipses are considered the most significant timing markers of the year — moments when fated events, sudden shifts, and major life chapters tend to occur.
Eclipses occur in pairs — a solar eclipse and a lunar eclipse — happening roughly two weeks apart, twice per year. They cluster around the Nodal Axis (North Node and South Node), which is why eclipse meanings always relate to karmic themes and soul direction. Eclipse seasons follow an 18.6-year cycle as the Nodes move through the zodiac, creating eclipse pairs in opposite signs.
Solar eclipses are traditionally associated with beginnings, new chapters, and the activation of new themes — they're more dramatic versions of New Moons. Lunar eclipses are associated with culminations, endings, revelations, and emotional releases — they're more dramatic versions of Full Moons.
The houses and signs an eclipse falls in your chart describe which area of life is being activated. An eclipse in your 7th house brings relationship themes to the surface; in your 10th house, career themes; in your 4th, family or home.
Eclipses operate on a deeper timeline than ordinary transits. Their effects can take 6 months to fully manifest, and the themes activated often replay throughout the year. They're considered fated — meaning they bring events that feel like they were already in motion, beyond conscious control. Eclipse seasons are not the time for major proactive decisions; they're the time to be alert to what's surfacing.