Question

what are spring and autumnal equinoxes​

Answer 1

Explanation:

In the Northern Hemisphere, the March equinox is called the vernal orspring equinoxwhile the September equinox is called the autumnal or fallequinox. In the Southern Hemisphere, the reverse is true.

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Answer 2

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On 21st March and September 23rd, direct rays of the sun fall on the equator. At this position, neither of the poles is tilted towards the sun. So, the whole earth experiences equal days and equal nights. This is called an equinox.

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