Equilux Spring 2024au. The longest night of spring: More than 100 space enthusiasts from around the country traveled to washington, d.c., on sept.

A solstice is an event that occurs when the sun reaches its most northerly or southerly position relative to the celestial equator. Everything you need to know about the spring equinox 2024, including when it is, what it is and how it affects our planet.