The Chinese calendar, based on observations of sun and moon, was chiefly used to mark agrarian time. With the dawn of the Republic of China in 1912, official calendars were reset to the Gregorian system. No matter that the start of the year was now 1 January, people’s lives were still much tied to the land. They welcomed the Spring Festival and Chinese New Year with relish, celebrating their well-earned rest from toil. Photo collector Hsu Chung-mao shares his precious images of celebrations in Beijing and Nanjing from a bygone era.