The origin of the name Great Cold

The origin of the name "Great Cold" is named after Xiaohan and also named after extremely cold weather.

As for the origin of the name of the Great Cold, it is quoted from Li Sanzong's Historical Records A General Examination of Shi Tian. "The Great Cold is moderate, and the upper surface is slightly cold, so it is called the Great Cold, and the cold is extremely negative, so it is called the Great Cold." ?

In other words, the name of Great Cold comes from two sources: one is named after Little Cold; The second is named after the extremely cold weather. What we can know is that a day with extremely cold weather is called "Great Cold", when the sun reaches 300 degrees of the yellow meridian.

Severe cold phase 3

In ancient China, the Great Cold was divided into three stages: "One stage is chicken milk; Second, the symptoms of bird disease; Three times, the water is strong. " In other words, chickens can be hatched in the cold solar terms.

Falcons such as eagles are in a state of strong predation ability, hovering in the air to find food to supplement their body energy to resist the cold; In the last five days of the year, the ice in the water has frozen to the center of the water, and it is the strongest and thickest.

Refer to the above? Huangyan News Network-The Origin of Great Cold