(B) In Winter season the days are shorter whereas in summer season days are longer. This is because of earth’s rotation on its axis. Summer Solstice falls between June 20 to June 22nd.It usually falls on June 21st. So,June 21st is observed as the longest day in a year. For the summer solstice, the sun rises north of east and sets north of west, which means that we seethe sun in the sky longer than usual.