Correct option is A
Ans.(A) 23rd September
Explanation:
The correct answer is 23rd September. The Autumn Equinox in 2019 occurred on 23rd September. During the equinox, the duration of day and night is nearly equal. This phenomenon happens twice a year: during the Vernal Equinox (March) and the Autumn Equinox (September).
Information Booster:
● The word equinox comes from Latin, meaning "equal night."
● It marks the transition from summer to autumn in the Northern Hemisphere.
● The equinox occurs when the Sun is directly above the equator.
● The Autumn Equinox is associated with harvest festivals in many cultures.