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1. In the Northern Hemisphere, the solstice that occurs on or about December 21.
2. In the Southern Hemisphere, the solstice that occurs on or about June 21.
1. (Astronomy) the time at which the sun is at its southernmost point in the sky (northernmost point in the S hemisphere) appearing at noon at its lowest altitude above the horizon. It occurs about December 22 (June 21 in the S hemisphere)
2. (Astronomy) astronomy the point on the celestial sphere, opposite the summer solstice, at which the ecliptic is furthest south from the celestial equator. Right ascension: 18 hours; declination: –23.5°
the solstice on or about December 21 that marks the beginning of winter in the Northern Hemisphere.
In the Northern Hemisphere, the solstice that occurs on December 21 or 22, marking the beginning of winter and the day of the year with the shortest period of sunlight. Compare summer solstice.
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|Noun||1.||winter solstice - December 22, when the sun is at its southernmost point|
solstice - either of the two times of the year when the sun is at its greatest distance from the celestial equator
winter, wintertime - the coldest season of the year; in the northern hemisphere it extends from the winter solstice to the vernal equinox