Does the autumnal equinox mean entering autumn?

The autumnal equinox is different from entering autumn. Autumn is not equal to autumn. Entering autumn means entering autumn, and the autumnal equinox is a solar term. Traditionally, "beginning of autumn" with 24 solar terms is the starting point of autumn.

Entering autumn means that rainfall and storms tend to decrease or decrease, and everything in nature begins to mature from lush. The autumnal equinox is the sixteenth solar term in the twenty-four solar terms of the lunar calendar, and the time is generally from September 22 to 24 of the Gregorian calendar every year.

The climate in the south began to decline from this solar term. After the autumnal equinox, the direct point of the sun continued to move from the equator to the southern hemisphere, and the days in the northern hemisphere began to shorten and the nights became longer, that is, the days in a day began to be shorter than the nights, while the southern hemisphere was the opposite. Therefore, the autumnal equinox is also called the landing point.

The autumnal equinox refers to unification, and the sun reaches 180, which is celebrated on September 22-24 of the Gregorian calendar every year. On the day of the autumnal equinox, the sun shines almost directly on the equator of the earth, and the length of day and night is equal all over the world.

The autumnal equinox means "equally divided" and "equally divided", which means equally dividing autumn except day and night. After the autumnal equinox, the position of direct sunlight moves south, and the days in the northern hemisphere become shorter, the nights become longer, the temperature difference between day and night increases, and the temperature drops day by day.

According to the lunar calendar, "beginning of autumn" is the beginning of autumn and ends with "the first frost". The "vernal equinox" is exactly half of the 90 days from beginning of autumn to the first frost.

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