Chinese calendar by mountain peoples. After Qin Shi Huang unified China under the Qin dynasty in 221 BC, the Qin calendar () was introduced. It followed most of the rules governing the Zhuanxu calendar, but the month order was that of the Xia calendar; the year began with month 10 and ended with month 9, analogous to a Gregorian calendar beginning in October and ending in September. The intercalary month, known as the second "Jiǔyuè" (), was placed at the end of the year. The Qin calendar was used into the Han dynasty. Emperor Wu of Han introduced reforms halfway through his
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