A Python package of Taiyishenshu, one of the three greatest Ancient Chinese Divination Tools ever which is used into astronomical phenomena, national fate, personal affairs, and even military strategies. 堅太乙，Python 太乙神數，占天文異象、占國運人事、占戰爭兵陣。本套件包含太乙年計、月計、日計、時計、分計、命法。