December (Roman month) December (Roman month) December (from Latin "decem", "ten") or mensis December was originally the tenth month of the Roman calendar, following November ("novem", "nine") and preceding Ianuarius. It had 29 days. When the calendar was reformed to create a 12-month year starting in Ianuarius, December became the twelfth month, but retained its name, as did the other numbered months from Quintilis (July) through December. Its length was increased to 31 days under the Julian calendar reform. The Romans did not number days of a month sequentially from the first day through the last. Instead, they counted back from the three
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