January 1st describes which traditional festival in China? On that day of the lunar calendar? When do you start to finalize the design? I'm missing.

January is the Spring Festival, and the first day of the first lunar month began in Shun period in Yao Shunyu.

Shu Shundian: "On the first day of the month, Brother Shun was in Wen Zu." Confucius said: "The month is in the first month; On the first day of the Yuan Dynasty, I went to Japan. " Selected Works of Zhang Heng's Ode to Tokyo: "So on the first day of the Yuan Dynasty, I was angry. "Xue Zong's Note:" According to legend, on the first day of the first month, governors came from all directions. " Wang Song Chende's History of Zhan Yan: "People between rivers and lakes often get rid of river scale at the age of 20, but on the first day of the Yuan Dynasty.