What does beginning of autumn mean?

Since this morning, the summer heat has disappeared and the autumn wind has burst. The sky is vast, the clouds are high and light, the summer colors are closed, and the trees are rustling in the wind. This is the sound of autumn.

Source:

This poem is from beginning of autumn written by Liu Yanshi, a poet in the Tang Dynasty.

Beginning of autumn: The history of Yan.

Shang Biao was surprised when he quit filariasis this morning.

Clouds gather summer colors and autumn leaves move.

Definition of words:

Chen Zi: This morning. Or it's morning.

Filariasis: Filariasis in July means going to Qiu Lai in summer. Abstinence from filariasis should be synonymous.

Shang Biao: Autumn wind is autumn wind.

These poems describe the characteristics of the seasons in beginning of autumn: the summer heat fades, the autumn wind rises, the sky is high and the clouds are light, and the leaves fall.

Extended data

Autumn is a solar term that begins in autumn. On August 7th or 8th every year, when the sun reaches 135 degrees, it is beginning of autumn. Twenty-four solar terms: "July Festival, set up a word to solve spring (beginning of spring). Autumn is also awkward, and this is the thing. "

Beginning of autumn generally indicates that hot summer is coming and autumn is coming. After beginning of autumn (solar term), the next rain will cool down after autumn, so there is a saying that "an autumn rain will bring a cold". Cui's Four-person Monthly Order in the Eastern Han Dynasty: "It is chilly to welcome beginning of autumn; In the autumn night, it is hot to the end. "

As early as the Zhou Dynasty, on the day of beginning of autumn, Emperor Tiandi personally led the princes and doctors of the Three Kingdoms and Nine Counties to the western suburbs to welcome autumn and hold a sacrificial ceremony. According to records, the plane tree planted in the basin was moved into the temple in the early autumn of Song Dynasty. When it arrived at beginning of autumn, the historian announced it loudly. After the play, the phoenix tree dropped one or two leaves to express autumn.