Literature Reference: 苦思正旦酬白雪，闲观风色动青旗。—— 《酬复言长庆四年元日郡斋感怀见寄》 With deep thoughts on the New Year's Day, I repay the pure snow, while leisurely watching the wind sway the green flags. Source from 'Responding to Fu Yan's Sentiments on New Year's Day in the County Study in the Fourth Year of Changqing'.
正: Upright and pure. In names, it often conveys the meaning of handling affairs with justice and fairness, which is conducive to receiving support from noble benefactors.
旦: Dawn breaks, heralding the sunrise. The character "旦" originally signifies the rising sun, symbolizing vitality and vigor, which is beneficial for health and well-being.
Meaning: Zheng Dan refers to the first day of the Lunar New Year, symbolizing the beginning of a new year, embodying renewal, hope, and a fresh start.