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Summer Solstice (N. Hemisphere)
June 21, 2019
In the Northern Hemisphere, the June solstice (aka summer solstice) occurs when the Sun reaches both its highest and northernmost points in the sky. (In contrast, the June solstice in the Southern Hemisphere is when the Sun is at its lowest point in the sky.)
The word “solstice” comes from Latin solstitium—from sol (Sun) and stitium (standing), reflecting the fact that on the solstice, the Sun appears to stop moving in the sky as it reaches its northern- or southernmost point. After the solstice, the Sun appears to reverse course and head back in the opposite direction.