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
Tammuz (Babylonian calendar) Tammuz (Babylonian calendar) Tammuz was a month in the Babylonian calendar, named for one of the main Babylonian gods, Tammuz (Sumerian: "Dumuzid", "son of life"). Many different calendar systems have since adopted Tammuz to refer to a month in the summer season. In the Hebrew calendar, Tammuz is the tenth month of the civil year and the fourth month of the ecclesiastical year on the Hebrew calendar. It is a summer month of 29 days. Tammuz is also the name for the month of July in the Gregorian calendar in Arabic (تموز), Syriac ("ܬܡܘܙ") and Turkish ("Temmuz"). The festival for