After the Revolution of 1911, in the first year of the Republic of China, it was decided that China, like other countries in the world, would adopt the Gregorian calendar and change the first day of the lunar new year to the Spring Festival.
1 On September 27th, 949, the first plenary session of China People's Political Consultative Conference passed the Law on the Chronology of the AD, which named the first day of the first lunar month as the Spring Festival and the Gregorian calendar1as the New Year's Day.