November (Roman month) November (Roman month) November (from Latin "novem", "nine") or mensis November was originally the ninth of ten months on the Roman calendar, following October ("octo", "eight") and preceding December ("decem", "ten"). It had 29 days. In the reform that resulted in a 12-month year, November became the eleventh month, but retained its name, as did the other months from September through December. A day was added to November during the Julian calendar reform in the mid-40s BC. The outstanding event during November was the Plebeian Games from the 4th through the 17th. The month had few other festivals. It was
Intercalary month (Egypt) and "epagomenal days" derive from Latin ' ("proclaimed between") and Greek "epagómenoi" () or "epagómenai" (, "brought in" or "added on"), Latinized as '. The period is also sometimes known as the "monthless days". In ancient Egypt, the period was known as the "Five Days upon the Year" (), the "Five Days" (') or "Those upon the Year" ('), the last of which is transliterated as . Parker also proposed that in some cases the intercalary month was known by the name Thoth ("") after the festival that gave its name to the following month. In modern Egypt, the period