Summer solstice

UT date and time of
event
The earth at midnight during the summer solstice in June 2017
The summer solstice (or estival solstice), also known as midsummer , occurs when a planet's rotational axis , or geographic pole on either its northern or its southern hemisphere , is most inclined toward the star that it orbits. On the summer solstice, Earth's maximum axial tilt toward the Sun is 23.44°. (Likewise, the Sun's declination from the celestial equator is +23.44° in the Northern Sky and −23.44° in the Southern Sky .) This happens twice each year (once in each hemisphere), when…