Frost time in early 2023
The twenty-four solar terms are determined according to the position of the sun on the ecliptic, and the first frost is when the longitude of the sun is 2 10. The first frost does not mean "frost", but "frost" is a manifestation of cold weather and large temperature difference between day and night. Therefore, it can be said that the name of the first frost is only a metaphor, which is used to express that this season of "sudden drop in temperature and great temperature difference between day and night" is accompanied by frost.
The first frost time is 65438+23 in Gregorian calendar1October 23 -24 every year. The first frost in 2023 is 65438+1October 24th. The first frost solar term means that the weather is getting colder and the first frost appears. This is the last solar term in autumn and the beginning of winter. The first frost is the last solar term in autumn, which is the transition from autumn to winter. There is a lot of heat dissipation on the ground in autumn night, and the temperature suddenly drops below 0 degrees.
What does the first frost mean?
The first frost, as the name implies, is late autumn and early winter. The first frost begins to fall, the weather gets colder and the plants turn yellow. To the north of the Yellow River, everything on the earth began to become desolate, while to the south of the Yellow River, it was already late autumn, and the autumn rain was continuous and terrible.
One of the 24 solar terms of the first frost, the weather is getting colder and frosty. The first frost is generally solar calendar1when the sun reaches 2 10 degrees on October 23, it is the first frost in the 24 solar terms. At this time, the ground heat dissipation in autumn is very large, and the temperature suddenly drops below 0 degrees. Water vapor in the air directly condenses on the ground or plants to form fine ice needles, and some become hexagonal frost flowers, which are white and loose in structure.