October (Roman month) did not number days of a month sequentially from the 1st through the last day. 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 October was the 7th, and the Ides was the 15th. The last day of October was the "pridie Kalendas Novembris," "day before the Kalends of November". Roman counting was inclusive; October 9 was "ante diem VII Idūs Octobris", "the 7th day before the Ides of October," usually abbreviated "a.d. VII Id. Oct."
Month Roman weeks) after the ides (except the ides of February and the intercalary month). The Hebrew calendar has 12 or 13 months. Adar 1 is only added 7 times in 19 years. In ordinary years, Adar 2 is simply called Adar. There are also twelve months in the Islamic calendar. They are named as follows: See Islamic calendar for more information on the Islamic calendar. The Hindu calendar has various systems of naming the months. The months in the lunar calendar are: These are also the names used in the Indian national calendar for the newly redefined months. Purushottam Maas