Equinox
01
dagjämning, dagjämningspunkt
(astronomy) either of the two celestial points at which the celestial equator intersects the ecliptic
02
dagjämning, dagjämningspunkt
either of the two moments in a year when the Sun, in its apparent motion along the ecliptic, crosses the celestial equator, resulting in approximately equal periods of daylight and darkness worldwide
Exempel
On the equinox, the Sun rises due east and sets due west.
Vid dagjämningen går solen upp exakt i öster och ner exakt i väster.
