Chinese Era The Chinese era is the symbol that the Chinese calendar uses for recording and naming years. The ten Heavenly Stems are: jia, yi, bing, ding, wu, ji, geng, xin, ren, gui. The twelve Earthly Branches are: zi.chou, yin, mou, chen, si, wu, wei, shen, you, xu, hai. After observing the lunar month, the ancients found that the moon always wazes and wanes roughly 12 times a year, and two lunar months account for about 60 days, so the order of the ten Heavenly Stems and the order of the twelve Earthly Branches are properly matched in turn. In terms of recording date, 60 years is considered to be a full time cycle. The Chinese era chronology was first invented in ancient times and is still in use now. according to the chronology of the “ten Heavenly Stems,” 2011 is the year of “the seventh of the ten Heavenly Stems” and “ the fifth of the twelve Earthly Branches”.

天干地支是中國歷法中用以記錄和命名年歲的方法。十天干為：甲、乙、丙、丁、戊、已、庚、辛、壬、癸;十二地支為：子、丑、寅、卯、辰、巳、午、未、申、酉、戊、亥。古人觀測朔望月，發現月亮圓缺12次大體上是一年的天數，而兩個朔望月約是60天。古人以十天干與十二地支的順序依次相配，記錄不同年份，60年為一個輪回。干支紀年法從古沿用至今。按干支紀年法，2011年便是辛卯年。

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Chinese Seal A seal can also be defined as a stamp. Both the Chinese official and private seal of various dynasties have different titles, such as stamp, zhu note, contract, fu, lease and others. The seals used by the emperors of ancient China were called xi, yin, bao, etc. According to historical records, seals were widely used during the Warring States Period (475BC-221BC). The making of a seal is to engrave fonts, such as seal characters and official script and so on; or images in the form of intaglio and embossment into the seal, basically shaped as round or square. Covered with a vermilion overlay, the Chinese seal is not only used in daily life, but it is also used to represent signatures on paintings and calligraphies. It is gradually becoming one of China’s unique artworks.

印章就是圖章。中國歷代官、私所用的印章有印信、朱記、合同、符、契等等不同的稱謂，而帝王所用的印章古時稱璽、印、寶、章等。據史料記載，印章在戰國時代已普遍使用。印章的制作是將篆隸等字體、圖像用陰、陽的形式雕刻而成，形狀以圓、方為主。印章用朱色 鈐蓋，除日常應用外，又多用于書畫題識，逐漸成為中國特有的藝術形式之一。

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