Époque du maximum ou du minimum de la durée du jour.
ETYM Latin solstitium; sol the sun + sistere to cause to stand, akin to stare to stand: cf. French solstice. Related to Solar, Stand.
Either of the two times of the year when the sun is at its greatest distance from the celestial equator.
Point or time when sun is furthest from Equator. summer solstice, such time in summer in Northern latitudes. (about June 22). winter solstice, such time in winter (about Dec. 22).
Either of the days on which the Sun is farthest north or south of the celestial equator each year. The summer solstice, when the Sun is farthest north, occurs around June 21; the winter solstice around Dec 22.