The first day of January in the lunar calendar is New Year's Day, which means the beginning of the year, and the first day of the new year. Today's New Year's Day is September 27, 1949. The First Chinese People's Political Consultative Conference decided to establish the People's Republic of China. At the same time, it also decided to adopt the world's general law of the Year of the Year of the Year, which is what we call the solar calendar. New Year's Day refers to the first day of the Western Yuan Dynasty.