Horse (1930-1942-1954-1966-1978-1990-2002-2014-2026-2038)
Wu stands for due south and the time around noon, when the sun is most severe. It is believed that 11 AM to 1 PM is when horses travel best. It also signifies the fifth lunar month, when farmers till the land and everything is full of vigor.

Sheep (1931-1943-1955-1967-1979-1991-2003-2015-2027-2039)
Wei represents the sixth lunar month and the height of summer. It also stands for 1 PM to 3 PM, when it is said that if a sheep eats a patch of grass it will grow more luxuriously, and for the direction of southwest by south. The sheep represents love, happiness and perseverance of spirit.

Monkey (1932-1944-1956-1968-1980-1992-2004-2016-2028-2040)
Shen's character in Chinese looks like two hands grasping a stick and, with one addition, becomes another shen meaning to stretch, with the implication of using one's mind to the full and with flexibility. 3 PM to 5 PM is believed to be when monkeys play.

Rooster (1933-1945-1957-1969-1981-1993-2005-2017-2029-2041)
You represents the eighth lunar month in early autumn and 5 PM to 7 PM, when the sun sets and the rooster returns home - an animal considered by many to be associated with prophecy. You also symbolizes due west.

Dog (1934-1946-1958-1970-1982-1994-2006-2018-2030-2042)
Xu, associated with the dog, represents northwest by west, 7 PM to 9 PM, when the dog is said to watch the night, and the ninth lunar month, when grass and trees start to wither but the weather is pleasant.

Pig (1935-1947-1959-1971-1983-1995-2007-2019-2031-2043)
Hai represents month ten in the Chinese lunar calendar, when everything begins to stagnate. It also represents 9 PM to 11 PM, when all is silent apart from the pig's snores.

Source: China.org.cn