Question

what is an equinox.

Answer 1

An equinox occurs twice a year (around 20 March and 22 September), when the plane of the Earth's equator passes the center of the Sun. At this time the tilt of the Earth's axis is inclined neither away from nor towards the Sun. The term equinox can also be used in a broader sense, meaning the date when such a passage happens. The name "equinox" is derived from the Latin aequus (equal) and nox (night), because around the equinox, night and day are about equal length.
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Answer 2

HELLO FRNDS
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Time or date (twice each year) on which the sun crosses the celestial equator, when day and night are equal length (approximately 22 September and 20 March).

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