Question

on 23 rd September mid day sun is overhead at th​

Answer 1

Answer:

In the Northern Hemisphere the autumnal equinox falls about September 22 or 23, as the Sun crosses the celestial equator going south. In the Southern Hemisphere the equinox occurs on March 20 or 21, when the Sun moves north across the celestial equator.

Answer 2

Hopethe pictures kept my me will help you.