Question : The equal length of day and night on September 23rd in all parts of the world is known as
Option 1: Autumnal Equinox
Option 2: Celestial Equinox
Option 3: Winter Equinox
Option 4: Vernal Equinox
Correct Answer: Autumnal Equinox
Solution : The correct answer is Autumnal Equinox.
The autumnal equinox symbolises the start of fall in the Northern Hemisphere and the start of spring in the Southern Hemisphere. This occurs on the 22nd or 23rd of September. The Earth's axis is neither inclined towards nor away from the Sun at the equinoxes the Sun's rays fall directly on the equator. This means that the Earth receives the same amount of sunshine and darkness.
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