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
Magha (month) usually the eleventh month of the year. Magha (month) Maagha (Nepali: माघ "maagh") is a month of the Hindu calendar. In Nepal's national civil calendar, Maagh is the tenth month of the year, and in the Gregorian calendar it corresponds with January/February. In lunar calendars, Maagh may begin on either the new moon or the full moon around the same time of year, and is usually the tenth month of the year. It is named thus because in this month, the full moon is usually found nearby or within the star cluster called "Magha". In solar calendars, Maagh begins with