👉 A "kalendarial" is a type of calendar that uses a specific pattern or sequence to determine the dates and times for each day. The term was first coined by the French historian Jean-Baptiste Colbert in 1852, who used it to describe the use of a calendar system based on the lunar cycle. In this context, "kalendarial" refers to a type of calendar that uses a specific pattern or sequence to determine the dates and times for each day. The