Cleopatra

by Stacy Schiff

As everyone knew, Caesar lived in the center of town, near the Forum, with his wife, Calpurnia. Cleopatra’s influence and that of her country were all the same much felt, directly and indirectly. On his return Caesar had begun to institute a number of reforms drawn from his Egyptian stay, during which he had evidently studied innovation as attentively as tradition. Most conspicuously, he went to work on the Roman calendar, which by 46 had crept three months ahead of the season. For some time a Roman year had consisted of 355 days, to which the authorities added an extra month irregularly, when doing so suited their purposes. As Plutarch has it, “Only the priests could say the time, and they, at their pleasure, without giving any notice, slipped in the intercalary month.” The result was a thorough mess; at one juncture, Cicero did not know what year he was living in. Caesar adopted the Egyptian calendar of twelve thirty-day months, with an additional five-day period at the end of the year, subsequently deemed “the only intelligent calendar which ever existed in human history.” He adopted as well the twelve-hour division between night and day that he had known in Alexandria. Generally speaking, time was a vaguer, more elastic notion in Rome, where it was subject to perpetual debate.* Cleopatra’s astronomers and mathematicians assisted in Caesar’s planning. The result was a bold correction in 46, “the last year of muddled reckoning” and one of 445 days, the extra weeks insert...