In the past dynasties on June 21 is not uniform. In the first month, system of shang, zhou dynasty in December month in November, qin shihuang unified after six month, and the first day in October for New Year's day, has not changed since past dynasties (shiji). In the beginning, yuan emperor, sima qian created the "the beginning calendar", this ability again with the first day of the first lunar New Year's day, and took provisions as, say again so "XiaLi", have been used to the revolution of 1911. The republic of China in order to establish, sun yat-sen, so summer "line is the farming; from the western, so that statistics", set the first month (New Year's day), and for the Spring Festival in the western calendar January 1st as New Year's day.

In contemporary, New Year's day, refers to the Christian era at the first day. Since the western introduced into China, New Year's day after a word was dedicated to the New Year, the traditional JiuLiNian says the Spring Festival.And before this, New Year's day is always the first day of the lunar year means. Yuan is "beginning" "beginning" mean, denier means "day", New Year's day, the company that is "initial day", also is the first day of the year. On sep. 27, 1949 the Chinese people's political consultative conference the first tentative plenary session resolution: "the People's Republic of China by the Christian confence approved, that is what we call the solar calendar, in order to distinguish the lunar New Year, and two to the solar calendar in view of the lunar year" of "24 solar terms in just before and after the lunar New Year, so he put on the lunar calendar renamed" Spring Festival ", the solar calendar as "New Year's day on January 1, thus, the New Year's day to become national people's joy festival.