Gregorian calendar It also specifies its epact relative to 1 January, in contrast with the Julian calendar, which specified it relative to 22 March. The old date was derived from the Greek system: the earlier "Supputatio Romana" specified it relative to 1 January. During the period between 1582, when the first countries adopted the Gregorian calendar, and 1923, when the last European country adopted it, it was often necessary to indicate the date of some event in both the Julian calendar and in the Gregorian calendar, for example, "10/21 February 1750/51", where the dual year accounts for some countries already beginning their
Kartik (month) 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, , , , , . Kartika (কার্ত্তিক) is the seventh month of the Bengali Calendar. It begins in mid-"October" of the Gregorian calendar. The