What is the difference between beginning of autumn and the autumnal equinox? Which is the beginning of autumn?

There are 24 solar terms in China, which are distributed in different seasons. Many people often confuse some solar terms. What is the difference between beginning of autumn and the autumnal equinox? Which is the beginning of autumn, the beginning of autumn or vernal equinox?

What is the difference between beginning of autumn and the autumnal equinox?

1, the position of the sun is different.

Autumnal Equinox: Is the sun at longitude 180?

The autumnal equinox is between September 22nd and 24th of the Gregorian calendar every year. The autumnal equinox is far from the vernal equinox. Is the vernal equinox 0? Is the autumnal equinox 180? The sun will shine directly at the equator in these two days, and most parts of the world are as long as day and night.

Beginning of autumn: The sun is at 135?

Every year on August 7th or 8th in Gregorian calendar, the sun will revolve to 135? Starting from this solar term, China officially entered autumn.

2. Different meanings

Autumnal Equinox: Entering late autumn

The autumnal equinox is the fourth solar term in autumn. After the autumnal equinox, most parts of China have entered the late autumn. At the autumnal equinox, the sun revolves to longitude 180? Location, at this time, the length of day and night is equal, and then there is late autumn, and several solar terms will be in beginning of winter.

Beginning of autumn: Autumn officially begins.

Beginning of autumn is the first solar term in autumn, which marks the official start of beginning of autumn. In early autumn, the temperature is similar to that in summer, and then it will gradually drop, from hot to cold, from cold to cold. Therefore, beginning of autumn belongs to a transitional season.

3. Different climatic characteristics

Autumnal equinox: the autumn wind is cool.

It is already late autumn at the autumnal equinox, which is a good time for crisp autumn. The golden wind is cool and the osmanthus fragrance is fragrant. There is a saying that an autumn rain and a cold are the solar terms of the autumnal equinox. The temperature is moderate at the autumnal equinox. As long as it rains, it will lower the body surface and body temperature.

Beginning of autumn: The heat is unbearable.

This is the dog days of early autumn. At this time, the temperature is high and unbearable, and the temperature is similar to that in summer. After beginning of autumn, there was an autumn tiger. When it meets an autumn tiger, the temperature in some cities can reach 40? Up there, it's very hot

Which is beginning of autumn, beginning of autumn or the autumnal equinox?

As far as solar terms are concerned, beginning of autumn refers to the beginning of autumn, but in beginning of autumn, the temperature is still very high in some areas. From the temperature point of view, it will gradually enter the cool autumn in late September. So now beginning of autumn's meaning is widely regarded as a sign of bankers' maturity.

The autumnal equinox is the16th solar term among the 24 solar terms of the lunar calendar, usually on September 22nd or 23rd every year. The climate in the south began to decline from this solar term. First, the sun reaches 180 degrees on this day, pointing directly at the equator of the earth, so a day is divided into 24 hours, each 12 hours; There is no extreme day and night phenomenon in the world. After the autumnal equinox, the polar night range near the North Pole and the polar sun range near the South Pole gradually expanded.

Beginning of autumn is the 13 solar term among the 24 solar terms, and beginning of autumn is on the 7th, 8th or 9th of August every year. Autumn means that summer becomes cool, which means the beginning of autumn. When you arrive in beginning of autumn, the plane tree will definitely start to shed its leaves, so the idiom "When you lose a leaf, you will know autumn". Literally, the word autumn is composed of the word grain and the word fire, indicating the maturity of the five grains. Beginning of autumn is the first solar term in autumn, and autumn is a transitional season from hot to cold, and then from cold to cold.

There are four in a year-beginning of spring, Changsha, beginning of autumn and beginning of winter, which means the beginning of a quarter. There are two points-the vernal equinox and the autumnal equinox, which can be understood as cutting a year in half. That is, the annual vernal equinox or autumnal equinox, day and night are the same length.