solstice

What on Earth is the Summer Solstice?

June 21st is the summer solstice and is often associated with the beginning of summer. But what is the summer solstice? Throughout history, cultures – even ancient ones – have known that the days follow a regular pattern of growing longer and shorter each year. This is because the earth tilts on its axis. The summer solstice marks the day with the longest sunshine of the year in areas above the equator.