中国天文历法,历史悠久,成绩斐然。由于历代王朝都把日月星辰的运行,看作为天的意志的体现,所以中国古代天文历算受到皇权明令保护,并为朝廷所垄断。掌握天文历法,观象占验手段,不仅仅是为了敬授长时的实用目的,更是显示皇权的一种重要象征。因此,它总是以皇权神授的钦定学术形态出现,曾取得举世瞩目的辉煌成就。就历法编制而论,历代王朝都依天体演化,不断地进行适时的修定,以教民按时令节气,从事生产活动。 Chinese astronomical calendar has a long history and impressive achievements. Since all the dynasties regarded the operation of the sun, the moon and the stars as a manifestation of the will of heaven, ancient Chinese astronomical calendar was explicitly protected by imperial power and monopolized by the court. Grasp of the astronomical calendar, the image of the means of accountability, not only to respect the long-term practical purpose, but also shows an important symbol of imperial power. Therefore, it always appears in the imperial academic form of imperial power, and has achieved brilliant achievements that have attracted worldwide attention. In terms of calendar compilation, dynasties dynasties evolved in accordance with the celestial bodies and constantly revised in a timely manner to teach the people to keep pace with the times and engage in productive activities.