Why can't beginning of autumn touch water?

Beginning of autumn can't touch water. It is said that after beginning of autumn, autumn began, the temperature difference between day and night began to increase, and the temperature difference between the surface temperature and the deep temperature of natural water also increased. Swimming at this time is easy to catch a cold, and in severe cases, swimming cramps may occur. So beginning of autumn can't get wet.

Why can't beginning of autumn touch water?

Beginning of autumn is the 13 solar term among the 24 solar terms and the first solar term in autumn, which meets on August 7-9 of the Gregorian calendar every year. Beginning of autumn is the node where Yang gradually closes and Yin gradually grows, and Yang gradually turns into Yin.

Beginning of autumn, which also means precipitation and humidity, is at the turning point of the year, with a downward or decreasing trend. In nature, everything begins to grow from lush to mature.

Beginning of autumn doesn't mean the hot weather is over. According to the calculation method of "dog days", "beginning of autumn" is often still in midsummer, which means that the heat is not over, and the real coolness usually comes after the Millennium solar terms.