Equinoctial

Relating to or occurring at an equinox. The equinoxes are the two times of the year (vernal and autumnal) when the sun crosses the celestial equator, resulting in nearly equal hours of daylight and nighttime across the globe. This period is characterized by a balance of light and darkness, symbolizing transition and change in the seasons. The equinoctial point is one of the intersections of the ecliptic and the celestial equator, signifying the celestial location of the Sun at an equinox. The term can also be used more broadly to describe astronomical or meteorological conditions associated with the equinoxes, encompassing aspects like atmospheric pressures and weather patterns that are frequently observed. The equinoctial periods also carry significance culturally and traditionally, with many societies holding festivals and celebrations to mark the transition of the seasons.

Equinoctial meaning with examples

• The astronomer carefully studied the equinoctial constellations to determine the precise date of the autumnal equinox. Accurate observation of the equinoctial skies helps to determine the length of a year and the changing location of stars across the galaxy over millennia.
• Farmers often consult historical equinoctial weather patterns when deciding on planting schedules. The equinoctial shift in weather brings about changes in temperature, humidity, and precipitation that affect the growing seasons of various crops, influencing food security.
• The ancient civilization erected a monument aligned with the equinoctial sun to mark the change of seasons. Archaeological research reveals the equinoctial design used by different cultures to accurately record the timing of critical periods of the calendar year.
• The sudden increase in storms could be attributed to the disturbances in atmospheric pressure typically associated with the equinoctial period. The shift is often the result of the sun's vertical position and atmospheric variations that influence weather dynamics.
• The artist was inspired by the balanced light and shadow of the equinoctial days to create a stunning landscape painting. The painting showed the beauty of the equinoctial moments as the sun transitions from one side of the equator to the other.