What Day Is The Fall Equinox 2024. Somewhere between september 21st to september 24th each year, there will be a moment when the day and the night will last approximately the same. Autumnal equinox โ is an astronomical phenomenon, when the sun in its visible motion along the ecliptic crosses the celestial equator.
Autumnal equinox is the moment in which the sun enters libra. This page provides date and time for autumnal equinox in the year 2024 for beijing, beijing, china.