Chinese New Year or the Chinese Lunar New Year is the most important of the traditional Chinese holidays, which is also known as "Spring Festival". The festival begins on the first day of the first month in the traditional Chinese calendar and ends with Lantern Festival which is on the 15th day. Chinese New Year's Eve, a day where Chinese families gather for their annual reunion dinner, is known as Chú Xi (除夕) or "Eve of the Passing Year."