What is the difference between the Autumnal Equinox and the Beginning of Autumn? Which one is autumn?
What is the difference between the Autumnal Equinox and the Beginning of Autumn? Which one is autumn? The eighth month of the lunar calendar is the eighth month of the lunar calendar. Which days are auspicious in the eighth month of the lunar calendar? Click on Shui Mo Network’s special topic on the eighth month of the lunar calendar to view related content!What is the difference between the Autumnal Equinox and the Beginning of Autumn?1. Different timeBeginning of Autumn: On August 7 or 8 of the Gregorian calendar every year, the sun will orbit to the position of 135° of the ecliptic longitude. Autumnal Equinox: Between September 22 and 24 of the Gregorian calendar every year, the sun's position is at 180° of the ecliptic longitude. 2. Different meanings Beginning of Autumn: Beginning of Autumn is the first solar term in autumn. When it comes, it marks the official start of early autumn. Autumnal Equinox: Autumnal Equinox is the fourth solar term in autumn. After the Autumnal Equinox, most parts of my country have entered late autumn. 3. Different climate Beginning of Autumn: The beginning of autumn is the hottest time of the year, when the temperature is high and the heat is unbearable, almost the same as in summer. After the beginning of autumn, there is a "autumn tiger", when the weather is still very hot. Autumnal Equinox: It is already late autumn when the Autumnal Equinox comes. This is a great time of year with clear skies and cool weather, golden breezes bringing coolness and the fragrance of osmanthus. There is a saying that goes "Every autumn rain brings a chill", which refers to the Autumnal Equinox. 4. Different location Beginning of Autumn: Beginning of Autumn is the 13th solar term among the 24 traditional solar terms in my country. When the Beginning of Autumn comes, the leaves of the paulownia tree will begin to turn yellow and wither, so there is a saying that goes "When the paulownia leaves fall, the world knows that autumn has arrived." Autumnal Equinox: Autumnal Equinox is the 16th solar term among the 24 traditional solar terms in my country. The autumnal equinox is the 30th day into autumn. At the autumnal equinox, day and night are equal, each lasting 12 hours. There is no polar day or polar night anywhere in the world. Which one is autumn?The Autumnal Equinox and the Beginning of Autumn are both autumn.1. According to the changes in celestial phenomena, the four seasons are divided into two parts: the "Four Beginnings" in the twenty-four solar terms. Therefore, autumn starts with the Beginning of Autumn. So the Beginning of Autumn is the beginning of autumn, but it does not mean that the autumn climate has arrived. At this time, the climate changes are more obvious, and it starts to get cooler in the morning and evening, but the daytime temperature is still relatively high. The dog days of summer have not ended yet. 2. According to the temperature changes and the climatological standards for dividing seasons, autumn begins when the average daily temperature in the second half of the year drops steadily to below 22°C. During the autumnal equinox, the sun's ecliptic longitude is 180 degrees, the sunlight is directly on the equator, and the day and night are equal. This is the true beginning of autumn in the Northern Hemisphere. |
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