甲子历,俗称农历或称太阴历,它是我国科学家为人类作出的重要贡献之一。我国早在四千年前的夏朝就制定了历法——夏历。它在农业科学和天文学的研究上有了不少的成绩。太阴历和后来出现的太阳历,同时并存在现在的日历上。民间特别是农民日常多数用太阴历计算日、月。在这漫长的历史长河中,太阴历不被淘汰,说明了它具有科学性,又有实用价值。晚上当你举头望着天空,看到满轮皎洁的明月时,你就会想到今天是太阴历某月的十五日,但是太阳历是几号呢?这就难于由此得出。实际上太阴历何止只有这一优点,有不少的实际问题必须要用到它。例如渔民都是用太阴历的时间来推算潮水的起落。农民用太阴历的 Jia Zi calendar, commonly known as lunar calendar or lunar calendar, it is one of the important contributions our scientists made for mankind. As early as four thousand years ago in our country, the Xia Dynasty established the calendar - the lunar calendar. It has made a lot of achievements in agricultural science and astronomy research. The lunar calendar and later solar calendar appear in the present calendar. Folk, especially the majority of peasants daily lunar calendar calculated by day, month. In this long history, the lunar calendar is not eliminated, indicating that it is scientific and has practical value. When you look up at the sky in the evening and you see the beautiful bright moon full of rounds, you will think that today is the 15th of the lunar month, but what is the solar calendar? In fact, the lunar calendar only has this advantage, there are many practical problems that must be used. For example, fishermen use lunar calendar time to calculate the ups and downs of tides. Peasants use too lunar calendar