What is the solar term on the last day of autumn?

The last solar term in autumn is the first frost.

In the first frost season, everything is finished, everything goes to heaven, the sun goes to the ground, and the yin begins to condense. The first frost is the eighteenth of the twenty-four solar terms and the last solar term in autumn. After entering the first solar term in first frost, the scene of late autumn is obvious, and cold air moves southward more and more frequently.

The first frost does not mean "frost", but refers to the sudden drop in temperature and the large temperature difference between day and night. In the first frost season, it's all over. From the morning, the sun went down to the ground, Yin Qi began to condense, and the first frost weather became colder and colder.

Because "frost" is a manifestation of cold weather and large temperature difference between day and night, it is named "first frost", which means "sudden drop in temperature and large temperature difference between day and night". The first frost solar terms are characterized by cold weather in the morning and evening, hot weather at noon, large temperature difference between day and night, and obvious autumn dryness.

Customs of first frost solar terms

From ancient times to the present, there are many customs of the first frost, mainly including climbing mountains, enjoying chrysanthemums, eating persimmons, worshipping ancestors, pulling radishes, eating ducks, eating beef, making taro pots and so on.

Many areas in the south have the custom of eating persimmons. As the saying goes, "eating persimmons in the first frost does not cause a runny nose." Some people think that the first frost will eat the shuttlecock on this day, or his lips will crack all winter. In fact, persimmons are fully mature before and after the first frost. Persimmons in this festival are deeply loved by people because of their thin skin, thick meat and delicious taste. Therefore, the custom of eating persimmons in the first frost season was formed.

Chrysanthemums are in full bloom at the first frost. At this time, in ancient times, people would hold chrysanthemum parties. To express my love and respect for chrysanthemums. Before the first frost, hundreds of famous chrysanthemums were picked, and good wine and food were placed in front of the chrysanthemum tower. First, the family bowed to the chrysanthemum god in the order of generations, and then drank wine to admire chrysanthemums, wrote poems and splashed ink. And Beijing literati mostly hold chrysanthemum parties in Tianning Temple, Taoranting, Dragon Claw Sophora and other places.