Chinese Zodiac

In China, people offten ask you about "What's your zodiac?", if you tell them, they will know how old you are right away. Asking a zodiac sign is a polite way of asking your age in China. China zodiac is alike the twelve zoidac sign used in western countries, but the difference is that: Chinese zodiac is named after animals in a 12-year cycle that begins with the rat and ends with the pig.