Chinese New Year is an important traditional Chinese holiday celebrated at the turn of the Chinese calendar. It is not a religious holiday, but more to do with agriculture. In China, it is also known as the Spring Festival, the literal translation of the modern Chinese name. Chinese New Year celebrations traditionally run from Chinese New Year's Eve, the last day of the last month of the Chinese calendar, to the Lantern Festival on the 15th day of the first month, making the festival the longest in the Chinese calendar. Because the Chinese calendar is lunisolar, the Chinese New Year is often referred to as the "Lunar New Year".
The date of Chinese New Year is different every year. However, after 114 years' cycle, the date will become the same. So in a person's life, every year the Chinese New Year date changes every year from end of January to mid Feburary.
It is celebrated in Mainland China, Hong Kong, Macau, Taiwan,Singapore, Thailand, Indonesia, Malaysia, Mauritius,Philippines,and also in Chinatowns elsewhere.
Even within China, regional customs and traditions concerning the celebration of the Chinese new year vary widely. Often, the evening preceding Chinese New Year's Day is an occasion for Chinese families to gather for the annual reunion dinner.
It is also traditional for every family to thoroughly cleanse the house, in order to sweep away any ill-fortune and to make way for good incoming luck. Windows and doors will be decorated with red color paper-cuts and couplets with popular themes of "good fortune" or "happiness", "wealth", and "longevity." Other activities include lighting firecrackers and giving money in red paper envelopes.
To reduce the pollution, Chinese New Year celebration gradually used less firework. Yu Garden in Shanghai