Question

What is summer solstice​

Answer 1

The summer solstice, also known as midsummer, occurs when one of the Earth's poles has its maximum tilt toward the Sun. It happens twice yearly, once in each hemisphere. For that hemisphere, the summer solstice is when the Sun reaches its highest position in the sky and is the day with the longest period of daylight.

Answer 2

On 21st june the vertical rays of the sun directly fall onthe Tropic of Cancer in 23 1/2° N causing every part of the northern hemisphere remains in sunlight for morethan 12 hours.