1, the winter of the climate characteristics: from little rain and dry to rainy and cold transition.

2, the winter of the seasonal weather: the water began to ice; the ground began to freeze; pheasants into the big water for the mirage. Ancient China will be divided into three winter: "a wait for the water began to ice; the second wait for the ground began to freeze; the third wait for the pheasant into the water for the mirage." At this time, the water has been able to form ice; the land also began to freeze; pheasant into the water for the mirage of the pheasant refers to the pheasant class of large birds, mirage for the large clams. After the winter, pheasant a big bird will not be seen, but the sea can see the shell and pheasant lines and colors similar to the big clams. Therefore, the ancients believed that pheasants became big clams after the beginning of winter