Vernal Equinox | MCQs

Explanation

In the Northern Hemisphere, the March equinox is called the vernal or spring equinox 

On the Gregorian calendar, the northward equinox can occur as early as 19 March or as late as 21 March at 0° longitude.

while 

 the September equinox is called the autumnal or fall equinox on 23 September

ND-8-08-2023