What does the first frost solar term mean?

The first frost solar term means that the weather is getting colder and the first frost appears.

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. The solar terms in the first frost mainly include the customs of enjoying chrysanthemums, eating persimmons, climbing high and overlooking, and tonic.

The first frost is three seasons

Taking five days as the waiting period, the ancients divided the first frost into three waiting periods: "The first waiting period is to sacrifice animals; Second, the vegetation is yellow; The three waiting insects are salty. " At the first frost, jackals are busy hunting a lot, and endless prey will be arranged neatly.

The speed of vegetation withering is greatly accelerated, and the yellow leaves falling and accumulating silently express the loneliness in late autumn; The worms in the cave began to prepare for hibernation, a short dormancy, looking forward to the new life in the coming year.

Baidu Encyclopedia-First Frost