What is the difference between the Autumnal Equinox and the Beginning of Autumn? Which comes first, the Autumnal Equinox or the Beginning of Autumn?

What is the difference between the Autumnal Equinox and the Beginning of Autumn? Which comes first, the Autumnal Equinox or the Beginning of Autumn?
Both the Autumnal Equinox and the Beginning of Autumn are one of the 24 solar terms. So, let’s take a look at the difference between the Autumnal Equinox and the Beginning of Autumn. Which comes first, the Autumnal Equinox or the Beginning of Autumn? The arrival of the eighth month of the lunar calendar in 2020 heralds new changes in everyone’s fortunes. For specific precautions for each day of this month, please read the wonderful articles on Shuimoxiansheng.com, waiting for you to discover!

What is the difference between the Autumnal Equinox and the Beginning of Autumn?

1. Time difference:
Beginning of Autumn: Every year from August 7 to 9 in the Gregorian calendar, my country officially enters autumn starting with the Beginning of Autumn solar term.
Autumnal Equinox: Every year from September 22 to 24 of the Gregorian calendar, the autumn equinox begins and we have entered deep autumn.
2. Different direct sunlight:
Beginning of Autumn: The handle of the Big Dipper points to the southwest, and the sun reaches 135° of ecliptic longitude.
Autumnal Equinox: On the day of the Autumnal Equinox, the sun reaches 180° of ecliptic longitude (the autumnal equinox point), almost directly shining on the Earth's equator, and the day and night are equal in length everywhere in the world.
3. Difference in meaning:
Beginning of Autumn: Beginning of Autumn is the first solar term in autumn. It marks the official start of early autumn. The temperature at Beginning of Autumn is similar to that in summer, and then will slowly drop from hot to cool and from cool to cold. Therefore, Beginning of Autumn is a transitional season.
Autumnal Equinox: The Autumnal Equinox is already late autumn, and this is a good time of year with clear skies and cool weather. There is a saying that goes "One autumn rain brings one chill", which refers to the Autumnal Equinox. The temperature is moderate during the Autumnal Equinox, and as long as it rains, the surface temperature and the body's perceived temperature will be lowered.
4. Temperature difference:
Beginning of Autumn: Beginning of Autumn is the hottest time of the year. The temperature is high and the heat is unbearable. The temperature is almost the same as in summer. After the Beginning of Autumn, there is also an autumn tiger. When the autumn tiger comes, the temperature in some cities can reach 40° or above, which is very hot.
Autumnal Equinox: The southern part of my country officially enters autumn at the Autumnal Equinox, and the temperature becomes cooler every night thereafter. At the beginning of autumn, most parts of the country are still in the hot summer, especially in the southern region, where there is no autumn atmosphere at all.

Which comes first, the Autumnal Equinox or the Beginning of Autumn?

The beginning of autumn arrives first.
Beginning of Autumn is the 13th solar term in the 24 solar terms, which falls on August 7-9 of the Gregorian calendar every year.
The Autumnal Equinox is the 16th solar term among the 24 solar terms. Therefore, the Beginning of Autumn arrives first. During the Beginning of Autumn solar term, the handle of the Big Dipper points to the southwest, and the sun reaches 135° of the ecliptic longitude. Beginning of Autumn is the first solar term in autumn and the starting point of autumn. Autumn starts from the Beginning of Autumn and ends at the Beginning of Winter. Its beginning and end are the result of the movement of celestial bodies. The Beginning of Autumn is the time when Yang energy gradually recedes and Yin energy gradually grows, with the yang-dominant state gradually turning into the yin-dominant state. Entering autumn means that precipitation, humidity, etc. are at a turning point in the year and tend to decline or decrease; in nature, all things begin to move from lush growth to bleak maturity.

Will the weather get colder after the autumnal equinox?

On the autumnal equinox, the day and night are the same length, twelve hours each. From this day on, the days became shorter and shorter, the sunshine hours decreased, and the weather became cooler and cooler. After the Autumnal Equinox, the weather starts to get colder.
As a transitional season when the weather turns from hot to cool, during the autumnal equinox, most parts of my country have entered the cool autumn. The cold air moving south meets the gradually decaying warm and humid air, resulting in repeated precipitation and repeated drops in temperature.
As the saying goes, “One autumn rain brings one chill, ten autumn rains require wearing cotton”, the occurrence of rain during the autumnal equinox also allows people to get rid of the warming weather caused by the previous autumn heat. However, although precipitation is more frequent during the autumnal equinox, the daily precipitation is not large.

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