Calendar reform the traditional fixed arithmetic Hebrew calendar, respectively. Calendar proposals that introduce a thirteenth month or change the Julian-Gregorian system of months often also propose new names for these months. New names have also been proposed for days out of the week cycle (e.g., 365th and leap) and weeks out of the month cycle. Proposals to change the traditional month and weekday names are less frequent. The Gregorian calendar obtains its names mostly from gods of historical religions (e.g., Thursday from Nordic Thor or March from Roman Mars) or leaders of vanished empires (July and August from the first Cæsars), or
Kartik (month) name of the month is derived from the name of the star Krittika (কৃত্তিকা). It marks the start of the dry season ( "Hemôntô"). "Kārttikai" (கார்த்திகை, ) is the eighth month of the Tamil calendar used by Tamils across the world. It corresponds to November/December in the Gregorian calendar. It begins when the sun enters the sign of Scorpio. Many festivals, such as Karthikai Deepam, are celebrated in this month. The name of the month is derived from a star, "kārttikai" (கார்த்திகை). According to the Bikram Sambat calendar of Nepal, which is also the country's official calendar, Kartik is the