 AUC 709) and the first Julian date on which the Roman calendar date matches the Julian calendar after the completion of Augustus' reform.Alexander Jones says that the correct Julian calendar was in use in Egypt in 24 BC, implying that the first day of the reform in both Egypt and Rome, , was the Julian date 1 January if 45 BC was a leap year and 2 January if it was not.This necessitates fourteen leap days up to and including AD 8 if 45 BC was a leap year and thirteen if it was not.