equinox

• n. 春分；秋分；日分

equ-、等しい、等しい。-equinox、夜、語源的には夜、nocturneと同じ。

equinox (n.)

c. 1400, "point at which the sun crosses the earth's equator, making day and night of equal length everywhere," from Old French equinoce (12c.) or directly from Medieval Latin equinoxium "equality of night (and day)," from Latin aequinoctium, usually in plural, dies aequinoctii "the equinoxes," from aequus "equal" (see equal (adj.)) + nox (genitive noctis) "night" (see night). The Old English translation was efnniht. Related: Equinoctial.

1. The Autumnal Equinox is the best time for wheat-sowing.

秋分種麦が最も適している.

2.In the Chinese calendar，the Spring Equinox always occurs in the second month.

中国暦では、春分の日はいつも2月に現れる。

3.The other point of intersection of equator and the ecliptic is called the Autumnal Equinox .

赤道と黄道の別の交差点を秋分点と呼ぶ。

4.The zero point is the Vernal Equinox ，also called the point of Aries.

零点は春分点であり、牡羊座点とも呼ばれている。

5.During a tropical year the sun moves from Vernal Equinox to Vernal Equinox .

回帰年内に、太陽は春分点から春分点に戻る。