Semiannual astronomical event

This crossword clue is for the definition: Semiannual astronomical event.
it’s A 29 letters crossword puzzle definition.
Next time, when searching for online help with your puzzle, try using the search term “Semiannual astronomical event crossword” or “Semiannual astronomical event crossword clue”. The possible answerss for Semiannual astronomical event are listed below.

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Possible Answers: EQUINOX.

Last seen on: LA Times Crossword 5 May 2018, Saturday