历法在宋朝对外交往中的作用

历法在古代的政治活动中具有十分重要的意义，奉谁家正塑朋来就是表明政治态度的大是大非问题。处于多元交汇中的宋代，外交活动频仍，而历法在其中起了不容忽视的作用。本就历法在宋与辽、夏、金、南唐、大理、交趾等的交往中所起的作用作了探讨，分析了在不同层次的政治交往中历法所扮演的不同角色；颁赐历法，是实行统治的象征；改易历法，意味着政权之间关系的变化；历法之争，实质上是皇权地位的正统之争。

The Function of Calendar in the Sung Dynasty's Diplomatic Activities

Calendar played an important part in the ancient political activities. Receiving which goverment's calendar had always been taken as a singnificant problem that expressed the political attitude. During the Sung Dynasty, which several goverments existed in China, there were continuous diplomatic activities. In these activities, calendar played a part that should not be neglected. The article attempts to analyze the Function of Calendar in the Sung Dynasty's diplomatic activities related to the governments such as Liao, Xia, Jin, South Tang, Dali, Jiaozhi and so on. It concludes that conferring calendar was a symbol to practice governance; changing calendar meant the political power's variety; the disputes about calendar substantially was to contend the orthodox position of imperial power.