équinoxe d’automne
/pʁɛ̃sipˈoz ɔʁɡˈan de- sistˈɛmz otomobˈil/
n
English: autumnal equinox · 秋分
Sens：At the equinoxes, day and night are of equal length; the autumnal (fall) equinox is on September 22 or 23 in the Northern hemisphere.
English: autumnal equinox · 秋分