It’s the shortest day of the year in the Southern Hemisphere (Australia as an example )…..
According to Dictionary.com :
either of the two times a year when the sun is at its greatest distance from the celestial equator: about June 21, when the sun reaches its northernmost point on the celestial sphere, or about December 22, when it reaches its southernmost point.: Compare summer solstice, winter solstice.
either of the two points in the ecliptic farthest from the equator.
a furthest or culminating point; a turning point.
A solstice is an event that occurs when the Sun appears to reach its most northerly or southerly excursion relative to the celestial equator on the celestial sphere. Two solstices occur annually, around June 21 and December 21.
Australia: The winter solstice marks the moment the Southern Hemisphere reaches its furthest tilt away from the sun
A chilly start for Australia’s shortest day of the year… reported 9News
