Multiple choice

The day in which the vernal equinox occur _____?

  1. 21/3

  2. 21/9

  3. 21/4

  4. 21/12

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The vernal (spring) equinox in the Northern Hemisphere occurs around March 21st, when day and night are approximately equal in length. September 21st is the autumnal equinox, April and December are incorrect dates for equinoxes.