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
Bachhala (month) Avalokiteśvara, begins at Patan on the 4th day of the bright fortnight. The full moon day of Baisākh Purnimā (वैसाख पुर्णिमा) is one of the year's most widely celebrated holidays. It is known as Swānyā Punhi (स्वांया पुन्हि) in Nepal Bhasa and means "Full Moon Day of Flowers". The holiday celebrates three events in the Buddha's life—his birth, enlightenment and Nirvana. Bachhala (month) Bachhalā (Nepal Bhasa: बछला) is the seventh month in the Nepal Era calendar, the national lunar calendar of Nepal. The month coincides with Vaisakha (वैसाख) in the Hindu lunar calendar and May in the Gregorian calendar. Bachhalā