SSC MTS EXAM

Detailed explanation-1: -Around 20 March we have the vernal equinox or March equinox, also known as the spring equinox in the northern hemisphere. Then around the 22 or 23 September is the autumnal or September equinox. The word “equinox” comes from the Latin words aequus meaning equal and nox meaning night.

Detailed explanation-2: -The equinoxes are the only time when both the Northern and Southern Hemispheres experience roughly equal amounts of daytime and nighttime. On Earth, there are two equinoxes every year: one around March 21 and another around September 22.