What do solar terms and summer heat mean?

Yangxia refers to the sixth of the 24 solar terms, which usually appears on July 22nd or 23rd in the solar calendar, indicating that summer has entered the hottest period. Summer refers to the unbearable hot weather, which is hot and unstable. High temperature and showers often appear alternately, and the human body is easily affected. Attention should be paid to heatstroke prevention and cooling in daily life, especially for the elderly and children. Keep indoor ventilation, properly replenish water, and avoid excessive heat accumulation, so as to avoid heatstroke and other problems.

The cultural significance of solar terms and summer seasons is of great historical significance. Its appearance marks the peak of summer heat, and a large number of agricultural crops mature in summer, which is also an important food period for the whole people. There are many folk customs with the great summer heat as the node, such as drinking mung bean soup, eating bean jelly and other rich eating habits of tonifying blood and kidney, as well as traditional activities such as opera art, temple fairs and cool swimming, so that people can spend the hot summer days.

The great summer heat is a period of phenological harvest. Crops such as grain seeds, hemp, millet and early rice should be harvested in time, because from the beginning of summer, the weather may affect the quality of food and reduce the yield. After the great summer heat, most areas in the north have entered the harvest period. People should harvest all kinds of crops in time, fully mobilize and grab the harvest, and create good conditions for autumn harvest. This is also the great significance of this period in agricultural production, which provided a good guarantee for agricultural production.