Today, 16 February, upwards of 20% of the world’s population will be celebrating Chinese New Year, also known as the Spring Festival. According to the traditional Chinese calendar, which is based on the lunar cycle and the position of the Sun, the New Year changes each year, but always falls between 21 January and 20 February. There are 12 Chinese zodiac animals that represent years, and 2018 is the year of the dog.