Equinox and Solstice Illustration – A solstice happens when the sun's zenith is at its furthest point from the equator. On the June solstice, it reaches its northernmost point and the Earth’s North Pole tilts directly towards the sun, at about 23.4 degrees.
Day and night sides of Earth at the instant of the June solstice (2014 June 21 at 10:51 Universal Time). The sun is rising in the U.S. and shining at zenith over northern Africa at this magic moment. Image credit: Earth and Moon Viewer
Everything you need to know: June solstice 2014 | Astronomy Essentials | EarthSky When is the solstice where I live? It comes on June 21, 2014, 10:51 Universal Time (5:51 a.m. CDT in the United States).