Finally it had been determined to set a new calendar which could function as a mix between the Roman figures, the predetermined span of this Egyptian calendar,” and also the 365 1⁄4 times of this Greek tradition. In accordance with Macrobius, Caesar was aided in this with a particular Marcus Flavius.

The very first thing of this reform was supposed to re align the beginning of calendar year (1 January) into the tropical season by earning 4 6 B C (708 AUC) 445 times , compensating to its intercalations that have been overlooked throughout Caesar’s pontificate.