November (Roman month) favored the cult of Isis. The Romans did not number days of a month sequentially from the first day through the last. Instead, they counted back from the three fixed points of the month: the Nones (5th or 7th), the Ides (13th or 15th), and the Kalends (1st) of the following month. The Nones of November was the 5th, and the Ides the 13th. The last day of November was the "pridie Kalendas Decembrīs," "day before the Kalends of December". Roman counting was inclusive; November 9 was "ante diem V Idūs Novembrīs", "the 5th day before the Ides of November,"
Intercalary month (Egypt) Intercalary month (Egypt) The intercalary month or epagomenal days of the Egyptian, Coptic, and Ethiopian calendars are a period of five days in common years and six days in leap years in addition to those calendars' 12 standard months, sometimes reckoned as their thirteenth month. They originated as a periodic measure to ensure that the heliacal rising of Sirius would occur in the 12th month of the Egyptian lunar calendar but became a regular feature of the civil calendar and its descendants. Egyptian and Ethiopian leap days occur in the year preceding Gregorian leap years. The English names "intercalary month"