What does the big cold and the big summer heat and Qingming summer frost mean

Chinese name: twenty-four solar terms English name: twenty-four solar terms Definition 1:

According to the position of the sun on the ecliptic, 24 festivals are divided into a certain area of China (represented by the middle and lower reaches of the Yellow River) that reflect the natural phenomena and agricultural seasonal characteristics of the year. Namely: the beginning of spring, rain, stunning, vernal equinox, Qingming, valley rain, beginning of summer, Xiaoman, mangzhong, summer solstice, small heat, great heat, beginning of autumn, summer heat, white dew, autumn equinox, cold dew, frost, beginning of winter, light snow, heavy snow, winter solstice, small cold, big cold.

Applied disciplines: atmospheric science (first-level discipline); Applied Meteorology (Secondary Discipline) Definition 2: The position of the sun on the ecliptic reflects the 24 seasons of natural phenomena and agricultural seasonal characteristics in a certain area of China (represented by the middle and lower reaches of the Yellow River).

Namely: the beginning of spring, rain, stunning, vernal equinox, Qingming, valley rain, beginning of summer, Xiaoman, mangzhong, summer solstice, small heat, great heat, beginning of autumn, summer heat, white dew, autumn equinox, cold dew, frost, beginning of winter, light snow, heavy snow, winter solstice, small cold, big cold. Applied Disciplines:

Geography (first-level discipline); Climatology (Secondary Discipline) Definition 3: Twenty-four seasons that reflect the seasonal characteristics of natural phenomena and agricultural activities in a year. Namely: the beginning of spring, rain, stunning, vernal equinox, Qingming, valley rain, beginning of summer, Xiaoman, mangzhong, summer solstice, small heat, great heat, beginning of autumn, summer heat, white dew, autumn equinox, cold dew, frost, beginning of winter, light snow, heavy snow, winter solstice, small cold, big cold.

Applied Disciplines: Resource Science and Technology (First-level Discipline); Climate Resources Science (Secondary Discipline).

It represents the change of the weather, generally to this solar term, there will be this change, in the south is not obvious, in the north is obvious, what solar terms will have any climate, such as the summer will be the arrival of high temperatures, this is obvious, in ancient times people were in accordance with such a climate to agricultural production, this is the wisdom of the ancestors, will never be outdated.

1. On July 7 or 8 every year, when the sun reaches 105° of ecliptic longitude, it is a light heat. Xiaoxia is the eleventh solar term of the 24 solar terms of the lunar calendar and the fifth solar term of summer, indicating the official beginning of the summer season. 夏, which means hot, means hot, and xiao xiao is a small heat, which means that the weather is starting to be hot, but it has not yet reached the hottest.

This climate is basically the same in most parts of China.

2. July 22-24 of the Gregorian calendar. Great heat, one of the 24 solar terms, the last solar term of summer. Bucket finger C; The ecliptic longitude of the sun is 120°; "Summer" means hot, and the great heat refers to the extreme heat.

The big heat is hotter than the small heat, and it is the sunniest and hottest solar term of the year, and the "humid and hot steaming" reaches its peak at this time. Characteristics of the summer heat: high temperature and extreme heat, frequent thunderstorms and typhoons.

3. On August 7 or 8 every year, the sun reaches 135° ecliptic longitude as the beginning of autumn. The beginning of autumn is the 13th of the 24 solar terms and the first of autumn. The "立" in the beginning of autumn means the beginning, and the "autumn" refers to the period when the crops are ripe.

The beginning of autumn means that the summer is going away and the autumn is coming, and it is a solar term that reflects the season. The ancient Chinese divided the beginning of autumn into three phases: one waited for the cool breeze to arrive; The second candidate is Bai Lusheng; Three chilling cicadas.

4. The festival will be held on August 22-24 of the Gregorian calendar every year. It is the fourteenth of the 24 solar terms. Dou Zhi Wu (southwest); The ecliptic longitude of the sun reaches 150°; The heat is "out of the heat", which means to leave the heat.

At the end of the summer, the direct solar point continues to move southward, the solar radiation weakens, the subtropical high also retreats southward, the temperature gradually drops, and the heat gradually disappears. The summer heat means that the scorching heat is coming to an end, and although it is still hot, it is already on a downward trend.

Farming activities

Starting from the summer solar term, the plum rainy season in the middle and lower reaches of the Yangtze River has ended, and the southeast monsoon rainy season from the Pacific Ocean has begun in the vast northern areas north of the Huaihe River and Qinling Mountains in the east, and the precipitation has increased significantly since then, and the rainfall is relatively concentrated. The South China, Southwest China, and Tibetan Plateau are also in the middle of the southwest monsoon rain season from the Indian Ocean and the South China Sea.

In the middle and lower reaches of the Yangtze River, the weather is generally high temperature and little rain under the control of the subtropical high, and the frequent drought has a great impact on agricultural production, so early water storage and drought prevention are very important at this time.

Before and after the summer vacation, except for the harvest of winter and spring wheat and other crops in the northeast and northwest regions, agricultural production is mainly busy with field management. The early rice is in the late stage of grain filling, and the middle rice has been jointed.

In the small summer solar term, cotton has begun to bloom and set bells, the growth is the most vigorous, since ancient times, there is a folk proverb that despite the hot weather in the small summer, cotton pruning can not rest.

The summer heat usually falls on July 6 to 7 or 8 every year, which means that the weather is starting to get hot, but it is not yet at its hottest. The Great Heat is the 22nd or 23rd or 24th of July every year, representing the hottest time of the year. The beginning of autumn is August 7 or 8 or 9 every year, which represents the beginning of autumn and the beginning of summer.

The summer season is August 23 or 24 every year, which means that the hot summer is about to pass.

Xiaoxia is the eleventh of the 24 solar terms, representing the official beginning of the summer season; The Great Heat is the twelfth of the 24 solar terms and represents the hottest period of the year; It is the fourteenth of the 24 solar terms, around August 23 every year, representing the autumn that is about to enter the meteorological significance; The beginning of autumn is the 13th of the 24 solar terms in the lunar calendar, representing the official beginning of the Mengqiu season.

In the summer season, it is early autumn, and the summer heat has not yet subsided, so it is not advisable to add too many clothes too early, so as to improve the body's ability to adapt to the low temperature environment. Of course, the 'autumn freeze' also varies from person to person, the elderly and children have weak resistance, decreased metabolic function, slowed down blood circulation, are afraid of both cold and heat, and are very sensitive to weather changes, and should increase or decrease clothes in time.

The summer heat, which began on July 7 and ended around July 22, began on July 23 and ended around August 6, the beginning of autumn, which began on August 7 and ended around August 22, began on August 23 and ended around September 6.

大夏 , 夏 means hot. It indicates that it is the hottest solar term of the year.

The beginning of autumn, "the cool breeze of the beginning of autumn" clearly links the beginning of autumn with the cool weather. It can be seen that the beginning of autumn is the beginning of a cool autumn.

Heat, summer is a solar term that reflects the change of temperature. "Place" means to hide and stop, and "place to heat" means that the hot summer day is over.

The solar terms refer to the 24 seasons and climate, which is a supplementary calendar established in ancient China to guide agricultural affairs, and is the crystallization of the accumulated results and wisdom of the long-term experience of the working people of the Han nationality.

Because ancient China was an agrarian society, agriculture needed to strictly understand the sun's fortune, and agriculture was completely based on the sun, so the "24 solar terms" that reflected the sun's cycle were added to the calendar as the standard for determining the leap month.

The 24 solar terms of Chinese orthodoxy are based on Henan. The Chinese lunar calendar is a lunisolar calendar, that is, it is formulated according to the movement of the sun and the moon, so the addition of 24 solar terms can better reflect the cycle of the sun's movement.

The 24 solar terms are: the beginning of spring, rain, stunning, equinox, Qingming, Guyu, Lixia, Xiaoman, mangzhong, summer solstice, small heat, great heat, beginning of autumn, summer heat, white dew, autumn equinox, cold dew, frost, beginning of winter, light snow, heavy snow, winter solstice, small cold, big cold.

Small heat, big heat, summer - summer means hot. The small summer has not yet reached the hottest, the big summer is the hottest season, and the summer is the day when the summer is about to end. They fall around July 7, July 23 and August 23 of the Gregorian calendar each year.

1. Small heat: The small summer is relative to the big summer, the ancients believed that the small summer period is not the hottest time of the year, so it is called the small summer.

The summer is on the 7th and 8th of July every year, which is a small summer day. "Dou Zhi Xin is a small summer, the weather is already hot, and it has not yet reached the silt pole, so the name is also." The ecliptic longitude of the sun is 105 degrees.

The weather is already very hot, but it is not yet the hottest time, so it is called Xiaoxiao. At this time, the days have begun to get shorter compared to the summer solstice, but the temperature has been rising.

2. Great heat: The great heat is one of the 24 solar terms. Approximately between July 22 and 24 each year, the Sun reaches 120 ecliptic longitude. The Great Heat solar term also belongs to the mid-volt stage, which is the hottest stage of the year.

The ancient text records that "in the middle of June, the solution is seen in the small heat", "the fifteenth day after the small heat is not the big heat, in the middle of June." The small and large ones are divided into large and small ones in the extreme heat, and the first and second are small, and the latter is large. Therefore, many ancient texts have told about the solar terms of the Great Heat.

3. Beginning of autumn: The beginning of autumn is one of the 24 solar terms of the Chinese lunar calendar, which is held in August or 9. In our country, the beginning of autumn is the beginning of autumn.

On August 7 or 8 every year, the sun reaches 135° ecliptic longitude as the beginning of autumn. "Seventy-two Candidate Explanations of the Lunar Order": "On the July Festival, the word solution sees spring (Lichun)."

Autumn, pull also, things here and pull also. "The beginning of autumn generally indicates that the hot summer is about to pass and autumn is coming.

4. Heat: Summer, "place" is the meaning of evasion, one of the 24 solar terms. The summer solar term is around August 23 every year.

At this time, the Sun reaches the ecliptic longitude of 150°. It means that the hot summer is about to pass, when the cold air moves south more often and the temperature drops more obviously. Temperatures are gradually dropping in most parts of China.

In ancient times, the summer was divided into three phases: "one is the eagle is a sacrificial bird; Second, the heaven and the earth are the beginning; Three Hou Henaideng. "During this solar term, the eagles began to hunt birds in large numbers; All things in heaven and earth began to wither, and the "he" of "Henaideng Deng" refers to the general term of millet, millet, rice, and sorghum crops, and "Deng" means ripe.

The small summer and the big heat represent that the weather is getting hotter and hotter, the heat is from small to large, the beginning of autumn refers to the beginning of autumn, and the summer heat refers to the summer season, and the weather has become cooler.

Xiao Xia and Da Xia, Xia means hot, and Xiao Xia represents Xiao Hao, that is, the weather is not very hot. The great heat is the great heat, which means that it is extremely hot. The beginning of autumn represents the node when the sun turns into the yin, and it officially enters autumn. The summer heat is "out of the heat", which means that the heat leaves and the weather gradually cools.

The big summer heat and the small summer generally represent the hottest time of the year, that is, the hottest time of summer, and the beginning of autumn represents the arrival of autumn. In the case of sweet potatoes, it means that the summer will be cooler as the summer passes.

About this small summer, big heat, the beginning of autumn, and the four solar terms of the summer, respectively, represent this hot summer, the game starts to the end, slowly, oops, it becomes cooler and cooler.

Great heat: It is extremely hot, the hottest time of the year.

Beginning of autumn: The summer goes away and the autumn begins. Autumn means that the plants are ripening quickly, after which the temperature gradually drops.

Heat: The meaning of the end is the end, which means that the heat will pass, the heat will end on this day, and the temperature in most parts of our country will gradually drop.

The beginning of autumn is the 13th solar term among the 24 solar terms, and it is the first solar term of autumn, marking the official beginning of the Zhenghong Festival in Mengqiu. At the beginning of autumn, the Beidou points to the southwest. From this day on, autumn begins, the autumn is high and cool, the moon is bright and the wind is clear.

Since then, the temperature has gradually dropped from the hottest.

The first thing that comes with the "beginning of autumn" is the change in the weather. From this day on, the sky is high and cool, the moon is bright and the wind is clear, and the temperature gradually drops, as the proverb says: "The cool breeze arrives on the day of the beginning of autumn", "The autumn is set up in the morning, and the evening is cool".

It should be arranged from front to back, all of which are solar terms, regardless of size. The order is Qingming, Mangzhong, Beginning of Autumn, Summer, Frost, and Cold.

1. The solar terms refer to the 24 seasons and climate, which is a supplementary calendar established in ancient China to guide agricultural affairs, and is the crystallization of the accumulated results and wisdom of the long-term experience of the working people of the Chinese nation.

2. Because ancient China was an agricultural society, agriculture needed to strictly understand the sun's fortune, and agriculture was carried out completely according to the sun, so the "24 solar terms" that reflected the solar cycle were added to the calendar as the standard for determining the leap month.

3. The 24 solar terms of Chinese orthodoxy are based on Henan. The Chinese lunar calendar is a lunisolar calendar, that is, it is formulated according to the movement of the sun and the moon, so the addition of the 24 solar terms can better reflect the cycle of the sun.

4. The naming of the 24 solar terms reflects three types: seasons, phenological phenomena, and climate change. The reaction seasons are the beginning of spring, the spring equinox, the beginning of summer, the summer solstice, the beginning of autumn, the autumn equinox, the beginning of winter, and the winter solstice, also known as the eight; The reactions to the phenological phenomena are the sting, Qingming, Xiaoman, and miscanthus; Reflecting climate change are rain, valley rain, small heat, big heat, heat, white dew, cold dew, frost, light snow, heavy snow, small cold, and big cold.

On November 30, China's "24 solar terms" was officially inscribed on the UNESCO Representative List of the Intangible Cultural Heritage of Humanity.

6. The twenty-four solar terms of the year are divided into twelve festivals and twelve solar terms. The solar terms at the beginning of the summer month are the festivals, and the solar terms in the middle of the month are the qi.