As far as the evolution of the west pacific subtropical high, the condition, under which the astronomical tide makes that there is synchronous tendency between the lunation singularities and the first days of north .
根据1998年以及1991～1997年130°E副高脊线逐日资料分析和反查证实:天文潮汐力场在一定的环流条件下可以而且只有在一定的环流条件下才可以对大气环流演变起重要作用,对西太平洋副热带高压的演变而言,天文潮汐力场引起副高北跃和南撤初始日与朔望月奇异点同步的条件可能就是长江流域多雨期或者与副高北部边缘长时期降雨带有关的某种环流条件。
Applying tropical year and lunation,the exchange formula of lunar calendar and solar calendar could be derived.
以回归年和朔望月为基础，推导出阴、阳历日期换算公式。