When will the Great Heat begin in 2020? Is it good to rain during the Great Heat?

When will the Great Heat begin in 2020? Is it good to rain during the Great Heat?
Introduction: The time of the Great Heat solar term is not fixed every year. So what time will the Great Heat solar term be in 2020? Is it likely to rain during the Great Heat? The sixth lunar month of each year falls in the hottest time of the year. Shuimoxiansheng.com has already compiled a special topic for the sixth lunar month of 2020. Welcome to follow!

What time and minute will the Great Heat begin in 2020?

2020 Great Heat Festival Time: Wednesday, July 22, 2020 16:36:44
The "Collection of Explanations of the 72 Seasonal Changes in the Lunar Calendar" says: "The Great Heat is in the middle of June. Heat means heat, and there are two types of heat: small at the beginning of the month and large in the middle. The heat is still large now."
The ancients divided the Great Heat into three phases: "The first phase is when rotten grass turns into fireflies; the second phase is when the soil becomes moist and the heat becomes sultry; the third phase is when heavy rains come."
1. The first phase is when rotten grass turns into fireflies: During the Great Heat, fireflies hatch from eggs. The ancients believed that fireflies were transformed from rotten grass. Fireflies are also known as "candle night" and "yao ye". They are poetic insects that welcome the beginning of autumn during the Great Heat. When you use a light silk fan to catch fireflies and see fireflies flying through the quiet night, the cool autumn is actually not far away.
2. The second phase is moist soil and hot weather: the weather starts to become hot and humid, and the land is also very humid. Sultry means wet. During the Great Heat, the humidity is heavy and the heat is unbearable. Liu Xi of the Eastern Han Dynasty said: "Summer is like boiling, with fire below and scorching sun above, steaming the air in between into damp heat. People are like being in a steamer, with extremely dirty air, which is also called 'dirty heat'."
3. The third sign is heavy rain: During the Great Heat season, heavy rain often occurs due to the accumulation of moisture, and there are often big thunderstorms.

Is it good to rain during the Great Heat?

1. In the middle and lower reaches of the Yangtze River, there is a “minor drought if there is no rain for five days, a major drought if there is no rain for ten days, and the ground will smoke if there is no rain for a month.”
Rain during the Great Heat period can provide the necessary moisture for the growth of crops.
The high temperatures during the Great Heat period are a normal climate phenomenon. At this time, if there is not enough sunlight, the growth of warm-loving crops such as rice and cotton will be affected. However, continuous and long-term high temperature weather is very unfavorable to the growth of crops such as rice.
There is an agricultural proverb in the middle and lower reaches of the Yangtze River: "Five days without rain will cause a minor drought, ten days without rain will cause a major drought, and a month without rain will cause the ground to smoke." It can be seen that high temperature and low rainfall are the conditions that give rise to the formation of summer drought. The harm caused by continuous large-scale high temperature and drought in the summer drought area is sometimes greater than local floods. In addition to the middle and lower reaches of the Yangtze River, Shaanxi, Gansu, Ningxia, the eastern part of the southwest region, especially eastern Sichuan, Chongqing and other places also need to take drought prevention measures.
In fact, summer drought does not occur every year. If the subtropical high pressure is weak in midsummer, or if there are one or two typhoons in the southern part or in the middle and lower reaches of the Yangtze River, or if there are occasional thunderstorms, there will be no large-scale summer drought.
2. In the northern region, there is a saying that "the seventh month is the end of summer, and the eighth month is the beginning of summer" - rain in the summer is likely to cause floods and waterlogging disasters
The so-called "the end of July and the beginning of August" refers to the period from late July to early August, when heavy rains are relatively concentrated in northern my country, such as North China (Inner Mongolia, Hebei, Shanxi, Beijing, Tianjin), the Huanghuai region (Shandong, Henan), the southern part of Northeast China, and parts of Shaanxi, Gansu, and Ningxia on the Loess Plateau. Therefore, "the end of July and the beginning of August" has become synonymous with the critical period of flood prevention.
During this period, the northern region is often hot and humid. Only when the cold air in the north cooperates well with the warm and humid air currents transported from the south or the eastern sea, and one or two decent rainstorms occur, can the summer heat be relieved. Heavy rains often provide much-needed moisture to crops in these areas, but if severe convective weather and excessive rainfall occur at the same time, local floods and mudslides often occur. Dashu customs: drinking Fucha
From ancient times to the present, people have had the custom of drinking Fucha during the three hottest days of summer. Fucha, as the name suggests, is tea drunk during the three hottest days of summer. This tea, made from more than ten kinds of Chinese herbal medicines such as honeysuckle, selfheal, and licorice, has the effect of cooling down and relieving heat.

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