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

Is the Autumnal Equinox the Beginning of Autumn? What is the difference between the Autumnal Equinox and the Beginning of Autumn?
Many of our friends cannot distinguish between the Autumnal Equinox and the Beginning of Autumn. So, let’s take a look at, is the Autumnal Equinox the Beginning of Autumn? What is the difference between the Autumnal Equinox and the Beginning of Autumn? In the eighth month of the lunar calendar, the sky is high and the clouds are light, and the moon is clear in the cold pond; in the eighth month of the lunar calendar, the wind is clear and the air is refreshing, and the osmanthus fragrance is in the air; in the eighth month of the lunar calendar, the world is colorful and the harvest is abundant. Come to Shuimoxiansheng.com to learn more about the eighth month of the lunar calendar in 2020.

Is the Autumnal Equinox the Beginning of Autumn?

No, the Autumnal Equinox is not the Beginning of Autumn. The Autumnal Equinox and the Beginning of Autumn are two different solar terms.
The Autumnal Equinox is the sixteenth solar term among the twenty-four solar terms, and usually falls on September 22-24 of the Gregorian calendar every year. 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 (not considering the refraction of sunlight by the atmosphere and the twilight shadows). In ancient times, there were folk activities of "worshiping the sun in spring and worshiping the moon in autumn". The Autumnal Equinox was once the traditional "Moon Worship Festival" (Mid-Autumn Festival), which evolved from the Moon Worship Festival on Autumn Eve.
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. At this time, the handle of the Big Dipper points to the southwest, and the sun reaches 135° of ecliptic longitude. Beginning of Autumn is the first solar term in autumn and the starting point of autumn. The Beginning of Autumn does not mean the end of the hot weather. It is still during the hot summer period. The summer heat will not end until the third solar term in autumn (Chushu). The weather is still very hot in early autumn.

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

Introduction to the Autumnal Equinox:
Time: The 16th solar term in the 24 solar terms of the lunar calendar, usually falls on September 22 or 23 every year.
Features: The climate in the south begins to enter autumn from this solar term. First, the sun reaches 180 degrees of ecliptic longitude on this day and directly shines on the earth's equator, so the 24 hours of day and night are equally divided, 12 hours each; there is no phenomenon of polar day or polar night on the whole world. After the autumnal equinox, the range of polar night near the North Pole gradually increases, and the range of polar day near the South Pole gradually increases.
Introduction to the Beginning of Autumn solar term:
Time: It is the 13th solar term among the 24 solar terms, and the beginning of autumn falls on August 7, 8 or 9 every year.
Hotspot: "Autumn" means the end of summer and the beginning of coolness. When the Beginning of Autumn comes, the sycamore trees will surely begin to shed their leaves, hence the idiom "one leaf falling is enough to tell that autumn has arrived". The day of the Beginning of Autumn is often still in the middle of the dog days. The so-called "heat is in the three dog days" is divided into the first dog days, the middle dog days and the last dog days, and its date is determined by the combination of the date of the solar term and the date of the Ganzhi calendar. The Beginning of Autumn is the first solar term in autumn, and autumn is a transitional season from hot to cool, and then from cool to cold.

Isn’t the Autumnal Equinox the Beginning of Autumn?

Yes, the Autumnal Equinox is not the Beginning of Autumn.
The Beginning of Autumn and the Autumnal Equinox are two completely different solar terms. The only thing they have in common is that they are both autumn solar terms. Every season has two similar but different solar terms: the Beginning of Spring and the Spring Equinox in spring; the Beginning of Summer and the Summer Solstice in summer; the Beginning of Autumn and the Autumnal Equinox in autumn; and the Beginning of Winter and the Winter Solstice in winter.

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