equinox   (Sound)

The equinox has 2 Senses.

• equinox
• either of two times of the year when the sun crosses the plane of the earth's equator and day and night are of equal length
• 太陽が地球の赤道面を横切る1年に2回あるときのうちのいずれかで、昼と夜の長さが等しい

• equinox, equinoctial point
• 分点
• (astronomy) either of the two celestial points at which the celestial equator intersects the ecliptic
• 天の赤道が黄道と交差する2つの天の点のどちらか