中国的农历是阴阳合历,用月和日期反映月相的变化,大月30天,小月29天,平均每月约29.5天,略相等于月相变化一次的周期,用节气反映地球环太阳一周的变化,一年共设24个节候,平均每节与候之间的长度约15.2天。地球的季节和气候主要受太阳的影响而呈周期性变化,当然,节候也较正确反映地球气候 Chinese lunar calendar is the calendar of yin and yang, with moon and date to reflect changes in the moon phase, 30 days on the big month, 29 days on Satsuki, an average of about 29.5 days per month, slightly equivalent to the cycle of the moon phase change, Changes in the sun a week, a total of 24 months of the year, the average length between each section and the waiting time of about 15.2 days. The seasonal and climatic conditions of the earth are mainly cyclically changed by the influence of the sun. Of course, the seasons also more accurately reflect the earth’s climate