Answer: SOLSTICE

AnswerCrossword Clue
SOLSTICEBiannual occurrence
solsticeeither of the two times a year when the sun is at its greatest distance from the celestial equator.
solsticethe time in summer (June 21) or winter (Dec. 21) when the sun is at its greatest distance from the celestial equator
solsticethe time when the sun is farthest from the equator
SOLSTICESummer starter
SOLSTICEJune event
SOLSTICESummer starts with one
SOLSTICEWinter begins with one
SOLSTICEOccurrence after the fall
SOLSTICEFall follower
SOLSTICESemiannual occurrence
SOLSTICEA turning point
SOLSTICEOne of two events a year
SOLSTICEStart of summer or winter
SOLSTICESun's spot circa Dec. 22
SOLSTICETurning point
SOLSTICEWinter or summer time.
SOLSTICEPoint on the sun's ecliptic.
SOLSTICEJune 21-22 or December 21-22.
SOLSTICEFirst day of summer or winter
SOLSTICESummer .. (end of spring)
SOLSTICEEquinox opposite
SOLSTICEFirst day of summer, e.g.
SOLSTICESeason-beginning phenomenon
SOLSTICESummer ..