what is the winter solstice marks the shortest day and the longest night of the year?
The winter solstice occurs at the instant when the Sun’s position in the sky is at its greatest angular distance on the other side of the equatorial plane from the observer’s hemisphere. The seasonal significance of the winter solstice is in the reversal of the gradually lengthening nights and shortening days. Depending on the shift of the calendar, the winter solstice occurs some time between December 21 and December 22 each year in the northern hemisphere, and between June 20 and June 21 in the southern hemisphere, during either the shortest day or longest night of the year. Though the winter solstice lasts an instant, the term is also colloquially used like “midwinter” to refer to the full 24-hour period of the day on which it occurs. Worldwide, interpretation of the event has varied from culture to culture, but most cultures have held a recognition of rebirth, involving holidays, festivals, gatherings, rituals or other celebrations around that time. The word solstice derives from L