Today summer solstice



The summer solstice is one of the twenty-four solar terms . Every year on June 21 or 22 in the Gregorian calendar, the sun moves to 90 degrees of the yellow longitude as the summer solstice . The longest hours of sunshine. After the summer solstice, Yin Qi begins to grow and Yang Qi begins to decline.
"But the summer solstice is not hot", "the summer solstice three Geng counts head down". Although the summer solstice means that the hot summer has arrived, it is not yet the hottest time. The temperature will continue to rise for a period of time after the summer solstice. After about 20 or 30 days, it is generally the hottest weather. 
The ancient Chinese divided the summer solstice into three periods: the first period is when the antlers are removed , the second period is when the cicadas begin to sing, and the third period is the period when pinellia is born. The summer solstice is also an important traditional folk festival - " Summer Solstice Festival ". There are folk customs such as offering sacrifices to gods and ancestors, spending summer and avoiding volts, eating noodles and eating zongzi. 
In the summer solstice, in addition to paying attention to cooling off the heat and quenching thirst, one should try to calm down emotionally and pay attention to sleep at the same time. The weather is hot and the metabolism of the human body is accelerated, so the exercise intensity should be moderately reduced. 
In the scorching summer, SIA Machinery reminds you: prevent heat and summer, pay attention to health