September (Roman month) was adjusted to September 1 in the 5th century to coincide with the tax year. September (Roman month) September (from Latin "septem", "seven") or mensis September was originally the seventh of ten months on the ancient Roman calendar that began with March ("mensis Martius", "Mars' month"). It had 29 days. After the reforms that resulted in a 12-month year, September became the ninth month, but retained its name. September followed what was originally Sextilis, the "sixth" month, renamed "Augustus" in honor of the first Roman emperor, and preceded October, the "eighth" month that like September retained its numerical name contrary
Kartik (month) Dooj), it is celebrated with sisters entertaining their brothers, following the legend of Yamuna, who entertained her brother Yama on the same day. Kartik (month) Karthikai, Kartika, Karthika or Kartik or Kartika maasam is a Hindu calendar month that typically overlaps October and November. In the Bengali it is the 7th month, Tamil 8th month), Maithili (7th month) and Nepali calendar (7th month), In the reformed Indian national civil calendar, Kartika is the eighth month of the year. It corresponds with the months of October/November in the Gregorian Calendar It is written as "Kartik", "Kārtika", "Kārtak", , maithili: कातिक, ,