由于传世文献记载简约模糊,西汉、新莽时期的历史纪年,一直存在一些比较严重的错谬,这主要包括汉武帝在现实生活中启用年号纪年的确切年代、新莽时期诸年号的名称,以及汉宣帝地节改元的时间等问题。作者近年分析相关纪年文物和《史记》、《汉书》等基本史籍的记载,得出一些新的认识,依据这些研究结论,制为本表,供学术界参考。 Due to the simple and vague documents handed down in the world and the historical records of the Western Han Dynasty and the New Mang period, there have been some serious mistakes. These include the exact time when Emperor Hanwudi started the chronology of the Chinese New Year in real life, the name of the New Year dynasty, As well as the Han Emperor Xuan Festival to change the yuan time and other issues. In recent years, the author analyzes related historical relics and historical records such as Records of the Historian and Han Dynasty and draws some new understandings. Based on these findings, the author makes this form for reference of the academic circles.