Which version of the perpetual calendar should I buy?

Good ink plate. According to the query of Bagui Examination Network, the ink calendar is the most complete and best. It conveys the profound information of the Gregorian calendar through modern cutting-edge, convenient and efficient scientific and technological means, endows traditional culture with great charm, and helps people to easily obtain information related to a certain day, which can be used as a basis for agricultural planting and a reference for life arrangements of major issues.