southward equinox

uncountable usually

September equinox, when the sun crosses the equator while heading southward.

Japanese Meaning

太陽が赤道を横切り、南へ向かう際（特に9月分点）の瞬間を指す。

Many coastal communities time their harvest festivals to coincide with the southward equinox, honoring the change of seasons.

多くの沿岸の集落は、太陽が赤道を南へ横切る9月の分点（秋分）に合わせて収穫祭を行い、季節の移り変わりを祝う。

Sense（1）

September equinox, when the sun crosses the equator while heading southward.

southward equinoxes

（ plural ）