Question

what is equinox? explain briefly ?

Answer 1

An equinox is commonly regarded as the
moment in which the plane of Earth's equator
passes through the center of the Sun's disk,
which occurs twice each year, around 20
March and 23 September. ... On the day of
an equinox, daylight and night time are of
approximately equal duration all over the
planet.

Answer 2

Answer:

on March 21 and September 23 throughout the world , days and nights are equal in size and these days are called Equinoxes

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