Astronomers define the equinox as the moment the Sun crosses the celestial equator. In other words, the Sun is directly above a point on Earth’s equator. The September equinox occurs when the Sun crosses the equator from north to south. This year, the September equinox falls on September 23 at 00:05 UTC. Article: https://www.timeanddate.com/news/astronomy/night-sky-september-2026 #Astronomy #Mythology #Moon #Equinox