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
Jyeshtha (month) begins with the Sun's entry into Taurus, and is the second month of the year. In the Vaishnava calendar. Jyeshtha (month) Jyeshtha or Jyēṣṭha (; "jēṭ"; "zeth") is a month of the Hindu calendar. In India's national civil calendar, Jyestha is the third month of the year. Known as "Joishtho" ( "Jyôishţhô") in Bengali, it is the second month of the Bengali calendar. In lunar religious calendars, Jyēṣṭha begins on the new moon and is the third month of the year. Traditionally, Jyēṣṭha is associated with high summer, and corresponds to May–June in the Gregorian calendar. In Tamil, the month