Chinese New Year is the longest and most important celebration in the Chinese calendar. The Chinese year 4713 begins on Feb. 19, 2015.
Chinese months are reckoned by the lunar calendar, with each month beginning on the darkest day. New Year festivities traditionally start on the first day of the month and continue until the fifteenth, when the moon is brightest. In China, people may take weeks of holiday from work to prepare for and celebrate the New Year.
Read more: Chinese New Year: 2015 http://www.infoplease.com/spot/chinesenewyear1.html#ixzz3YUf3wzZq