The twelve animals of the Chinese zodiac come from eleven kinds of animals originating in nature, namely the rat, ox, tiger, rabbit, horse, snake, monkey, rooster, dog and pig, as well as the legendary form of the dragon, and are used as a calendar.
2010 was the Year of the Tiger in the Chinese lunar calendar.
2010年是農曆的虎年。
The first day of the first month in the Chinese lunar calendar is Spring Festival, the most important festival for the people of China.
中国农历年的一月一日为春节,是中国人民最隆重的传统节日。
Arriving at the end of each year (that is, the last day of the lunar calendar) wasn't just a new day taking over from the previous one, but also a new year taking over from the previous one, and this was called 'first exchange'.
Person of the future: "The calendar of this Unix machine that the ancients built only goes up to January 19, 2038. As such, I am convinced that this marks the day of the Earth's destruction."