Question

Why are days and nights equal on 21st March at all places on the earth? Explain.
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Answer 1

Answer:

Marking the beginning of spring, the sun will cross the plane of the earth's equator on Monday morning, making day and night of approximately the same duration.

The event, known as equinox, is eagerly awaited by space enthusiasts as it takes place only twice a year, on March 21 and September 23.

Answer 2

Explanation:

marking the beginning of spring the sun will cross the plane of the earth's equator on Monday morning making day and night of approximately same duration . the event known as Equinox is eagerly awaited by space enthusiasts as it takes place only twice a year on March 21 and 23 September

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