What is Han Xiao's poem?

Han Xiao's poem is: Han Xiao is connected with Luda, and Huan Magpie builds a new nest. Picking up food to find a winding path, holding purple around the treetops. The frost eagle is near the north head, and the pheasant is hidden in the bushes. Not strange but strict, spring and summer are in the first month.

There are also Du Fu's A Boat with a Little Cold Food, Yuan Zhen's poem Twenty-four Qi and Slight Cold, and Yuan Zhen's Slight Cold.

Slight cold solar terms

Slight cold is the 23rd solar term among the 24 solar terms, the 5th solar term in winter, the end of the second month of the dry calendar and the beginning of the ugly month. Fighting fingers; The meridian of the sun is 285; It is celebrated from June 5 to 7 in the Gregorian calendar.

Cold air is cold for a long time, and slight cold means that the weather is cold but not extreme. Like severe cold, mild heat, severe heat and intense heat, it is a solar term indicating temperature change. The slight cold solar term is characterized by cold, but it is not extremely cold.

After the winter solstice, the cold air frequently goes south, and the temperature continues to drop, and the temperature drops to the lowest during the slight cold and severe cold in a year. There is a folk saying that "it's 239 when it's cold, and it's shivering with cold", which shows the cold degree of solar terms.

In the slight cold season, the direct point of the sun is still in the southern hemisphere, and the heat in the northern hemisphere is still in a state of loss. The heat absorbed during the day is still less than the heat released at night, so the temperature in the northern hemisphere continues to decrease.

According to China's long-term meteorological records, the slight cold solar terms in the north are colder than the great cold solar terms, and there is a saying that the slight cold is better than the great cold in the north; However, for most parts of the south, the lowest temperature in the whole year will still appear in the great cold solar terms.