Dionysius again relates that it was celebrated a few days after the Saturnalia, and Cicero that it fell on the Kalends of January; but in one of his letters to Atticus, he speaks of it as occurring on the fourth before the Nones of January (January 2). The exact words with which the festival was announced are preserved by Macrobius and Aulus Gellius:
According to Dionysius, this celebration took place a few days after the Saturnalia, while Cicero places it on the Kalends of January; however, in one of his letters to Atticus, he specifies that it occurred four days before the Nones of January (January 2). The official announcement of the festival is recorded by Macrobius and Aulus Gellius.