Are also "fixed" meaning, "Zhou official day": " is the age of the first lunar month want." And "determined" means, enlighten, guide, start, "Great Poems": "Victoria is the turtle", "sparse": "From that day to do the hands of the month is Chun-yang."
Ancient discipline to twelve month disposable December, the beginning of the dynasties of the time of the year was different. Jian Yin to the lunar calendar month for the first month, to the calendar for the first month in order to build ugly. Weeks of the calendar month in order to build for the first month son. Chinese lunar calendar in use today.
Qin Shi Huang of governance, in order to avoid, once corrected for the end of month month. Emperor after the use of traditional Chinese calendar, so the first month and known. January as the ancients put happiness, joy and a symbol of spring, so have Kerry January month, Fang-year-old Chinese-year-old, Jade, such as another name for the spring.
As the beginning of the year, and opened in January, open year-old, the new-year-old hair-year-old, in January, the beginning of month, Hajime month, month, such as Bangladesh alias. The "meta", "Hajime", "Bangladesh" with a beginning, end point.
农历一月又称“正（zhēnɡ）月”。《春秋·隐公元年》：“春，王正月”。《说文解字》：“正，从止一，守一以止也”。《疏》：“正月，实是一月。人君即位，欲其常居道，故称正也。”《尔雅》：“正，长也。”正月为十二月之长，所以又叫端月。
正又有“定”之意，《周礼·天官》：“宰夫令群吏正岁正月要”。又有“决”之意，开导、引导、开始，《诗·大雅》：“维龟正之”，《疏》：“谓之正月者以乾用手正纯阳之月”。
古代纪月以十二支配十二月，各朝代一年开端的时间定得不同。夏历以建寅之月为正月，商历以建丑为正月。周历以建子之月为正月。今农历沿用夏历。
秦始皇名政，为了避讳，曾改正月为端月。汉武帝以后采用夏历，故正月又有“夏正”之称。古人把一月视作吉庆、欢乐和春天的象征，所以一月还有嘉月、芳岁、华岁、春玉等别称。
作为一年的开端，一月又有开年、开岁、新岁、发岁、元月、初月、肇月、孟月等别名。这里的“元”、“肇”、“孟”都带有始、端的意思。