19 1 1 After the success of the Revolution of 1911, Sun Yat-sen designated the first day of the first lunar month as the Spring Festival and the 1 month 1 day of the Gregorian calendar as the New Year. 19 12 years 1 month 1 day, the Republic of China was declared, and Sun Yat-sen was appointed as the interim president in Nanjing. In his oath of office, Sun Yat-sen ended with "New Year's Day of the first year of the Republic of China". This is the origin of "New Year's Day" in China.

1On September 27th, 949, the first China People's Political Consultative Conference decided to establish the People's Republic of China, and at the same time, it also decided to adopt the universal calendar method, that is, the solar calendar. New Year's Day refers to the first day of the first year of the year. Every year 1 month 1 day marks the arrival of a new year. People are used to calling this day "New Year's Day", commonly known as "solar year".