The cold at the end of the year is a representative figure.

The cold at the end of the year refers to the solar term from winter to solstice, and the time is 65438+February 22 in the solar calendar every year, so it is 22.

The cold at the end of the year comes from Chapter 46 of the Chronicle of the Eastern Zhou Dynasty: "Cold at the end of the year, when resting, can be mentioned again, referring to the cold scene at the end of the year.