October (Roman month) October (Roman month) October (from Latin "octo", "eight") or mensis October was the eighth of ten months on the oldest Roman calendar. It had 31 days. October followed September (from "septem", "seven") and preceded November ("novem", "nine"). After the calendar reform that resulted in a 12-month year, October became the tenth month, but retained its numerical name, as did the other months from September through December. Some of the observances in October marked the close of the season for military campaigning and farming, which commenced in March ("Martius", "Mars' month"). October was under the guardianship "(tutela)" of Mars. The Romans
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