In most parts of East Asia, the new year that begins on Jan. 22 corresponds to the rabbit, and also to the element of water and the feminine yin force. The cycle takes 60 years to complete, so 60th birthdays across East Asia are times for special celebrations.
However, the animal associations of the zodiac can vary: In Vietnam, Jan. 22 will usher in the Year of the Cat instead. The most recent Year of the Cat, in 2011, saw a baby boom in Vietnam because of the good luck associated with that zodiac sign.
One explanation among scholars for why Vietnamese culture celebrates it as the Year of the Cat is that the earthly branch corresponding to “rabbit” is pronounced mao in Mandarin and meo in Vietnamese, which sounds similar to the Vietnamese word for “cat.”
Another explanation comes from two variations of a popular legend about how the 12 zodiac animals were chosen. According to that legend, either the Buddha or the Jade Emperor, head of the Chinese pantheon, organized a race across a river to choose the zodiac animals and their order.
In the Chinese version, the cat and rat were riding across a river on an ox when the rat, in its drive to be first, pushed the cat into the water so that the cat arrived last and was disqualified. The rabbit was crossing the river by hopping on stones sticking out of the water, but with one lucky leap it landed on a floating log that swiftly carried it to shore, so that the rabbit finished fourth.
However, in the Vietnamese version – which lacks a rabbit – the cat could swim and ended up arriving fourth.