 Later authors mark them as "dies religiosus" (when no official meetings could be held).Some modern scholars seek to explain this as the later introduction and accommodation of Greek elements, grafted onto the original "mundus" rites.The rites of August 24 were held between the agricultural festivals of Consualia and Opiconsivia; those of October 5 followed the "Ieiunium Cereris", and those of November 8 took place during the Plebeian Games As a whole, the various days of the "mundus" suggest rites to Ceres as the guardian deity of seed-corn in the establishment of cities, and in her function as a door-warden of the afterlife, which was co-ruled during the winter months by her daughter Proserpina, queen-companion to Dis.