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The Summer Solstice of the Twenty-Four Solar Terms


The Summer Solstice is the 10th of the 24 solar terms. It occurs when the sun's position in the zodiac points to the midsummer position; the sun's longitude is 90°; and it takes place on June 21st or 22nd of the Gregorian calendar. On this day, the sun's direct position on the ground reaches the northernmost point of the year, almost directly hitting the Tropic of Cancer.

The Beginning of Summer in the 24 Solar Terms


The Beginning of Summer in History is the 7th solar term among the 24 solar terms, the first solar term of summer, and falls on May 05-07 of the Gregorian calendar every year. At this moment, the handle of the Big Dipper is pointing southeast, and the sun's longitude reaches 45 degrees.