What is the coldest solar term in a year?

The order is: vernal equinox, Grain Rain, beginning of autumn, Chushu and Chufrost.

The first frost is one of the 24 solar terms of the lunar calendar. Entering this solar term, the weather is getting colder and frosty. The first frost is usually around Gregorian calendar1October 23rd 10 every year. At this time, the first frost appeared in the Yellow River basin in China, and most areas were busy planting crops such as three wheat.

In ancient China, the first frost was divided into three stages: "One stage was that the jackal sacrificed animals; Second, the vegetation is yellow; Three waiting insects are salty. " In this solar term, jackals will show their prey before eating them.

Every year, around Gregorian calendar 10 year 10 23rd, when the sun reaches longitude 2 10 degrees, it is the first frost. The first frost said that the weather was colder and the dew condensed into frost. "Twenty-four solar terms": "In mid-September, the essence is cold and condensed, and dew cream". At this time, frost has appeared in the Yellow River Basin of China, and a silver ice crystal shines in the fields thousands of miles away. At this time, the leaves turned yellow and fell.