Question

Name two countries where sun is overhead on June 21st and two other countries where it is overhead in December 22nd

Answer 1

21 June = maxico and india
22 December = Brazil and Australia

Answer 2

When sun is overhead on the Tropic of cancer and Tropic of Capricorn, on these two dates of June 21st and December 22nd, then it is called the sun to be overhead on a part of the world.

Countries like Zimbabwe and India are overhead on June 21st and countries like Brazil and Australia are overhead on December 22nd.