Explain the meaning of the first frost

The first frost is the eighteenth of the twenty-four solar terms and the last solar term in autumn.

The first frost is celebrated on Gregorian calendar 10 every year123-24 October. 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. The first frost is the season with the largest temperature difference between day and night in a year.

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. The solar terms in the first frost mainly include the customs of enjoying chrysanthemums, eating persimmons, climbing high and overlooking, and tonic. In ancient China, the first frost was divided into three stages: first, the jackal sacrificed animals; Second, the vegetation is yellow; Third-class stinging insects are salty. In this solar term, jackals will show their prey before eating them.

Solar term song, first frost

Frost began to fall around the first frost, and some places were busy sowing wheat. Sow wheat early and check quickly to ensure that the seedlings are all together and strong. In this festival, people will harvest glutinous rice, and sweet potatoes will be cut, dried and stored fresh. Pick the cotton carefully and the trees. After harvesting in late autumn, it should be done everywhere, and firewood should be returned to the warehouse. Take good care of the melons and vegetables in the greenhouse, topdressing and watering to prevent insects, and the green onions and radishes will be collected one after another, and the cabbage will take time.

Hurry up and fix the leaking ring in the open shed to prevent the livestock from catching cold. Tie the livestock to the pig, and the wheat seedlings will be gnawed. Catch adult fish and sell them in the market, but lotus root, reed and cattail are busy harvesting. Killing rats together in urban and rural areas not only prevents diseases but also ensures food.