What is the meaning of the Great Heat solar term?
Great Heat is the twelfth solar term among the twenty-four solar terms and the last solar term in summer. It usually occurs on July 22 or 23 every year. The Great Heat marks the hottest period of the year, when the direct sun is in the northern hemisphere and temperatures reach their peak. This article will explore the meaning of the Great Summer solar term and its related cultural customs based on the hot topics on the Internet in the past 10 days.
1. Astronomical and climatic characteristics of the Great Summer Festival
During the Great Heat period, the sun reaches 120° of ecliptic longitude, and the solar radiation energy received by the northern hemisphere reaches the maximum. At this time, most areas of our country have entered the "dog days" of high temperature and high humidity, with temperatures in some areas even exceeding 40°C. The following are the climate discussion hot spots on the Internet about the Great Heat in the past 10 days:
| topic | heat index | Related areas |
|---|---|---|
| extreme heat warning | 95 | North China, East China |
| urban heat island effect | 87 | Beijing, Shanghai, Guangzhou |
| Heatstroke prevention and cooling measures | 92 | Nationwide |
2. Traditional customs and health culture of Great Summer
The Great Summer Festival has rich folk activities and cultural connotations in our country. The ancients responded to the scorching heat through diet, sacrifices and other methods, forming a unique solar terms culture. The following are the summer customs that netizens have recently paid attention to:
| custom | Popular areas | cultural meaning |
|---|---|---|
| Eat lychees | Fujian, Guangdong | “Eating lychees during the hot summer is better than eating ginseng.” |
| drink tea | Zhejiang, Jiangsu | Clear away heat, detoxify, prevent heatstroke and cool down |
| Sun-cured ginger | northern region | Dispelling cold and dampness, treating winter diseases and summer diseases |
3. The new connotation of solar terms in modern society
With the development of society, the Great Summer Festival has been given new significance of the times. Recent hot topics on the Internet show that modern people are more concerned about how to maintain a healthy life under high temperatures:
1.Labor protection at high temperatures: Many places have introduced high-temperature subsidy policies, and construction sites have adjusted working hours.
2.Solar terms and economy: The search volume for "Great Heat"-related products on the e-commerce platform increased by 120%, and cooling appliances were hot-selling.
3.climate adaptation: Increase the area of green space in urban planning and promote the concept of "cool city" construction.
4. Health tips during the hot summer season
Based on recent hot topics in medical and health, experts give the following health care suggestions during the summer:
| health problems | Precautions | recent attention |
|---|---|---|
| heatstroke | Avoid going out at noon and replenish water in time | 89% |
| Gastrointestinal diseases | Pay attention to dietary hygiene and eat less raw and cold food | 76% |
| air conditioning disease | Control temperature difference and ventilate regularly | 82% |
Conclusion
The Great Summer solar term is not only a manifestation of natural laws, but also carries profound cultural connotations. Today, as climate change intensifies, we must not only inherit the wisdom of ancient people in dealing with intense heat, but also adapt to extreme weather with a scientific attitude. By analyzing recent Internet hot spots, it can be found that modern society's attention to the Great Heat has expanded from simple understanding of solar terms to multiple dimensions such as health protection and urban governance, demonstrating the modern vitality of traditional culture.
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