<Tr> <Td> 55 </Td> <Td> Feb 07 1978--Jan 27 1979 </Td> <Td> Yang Earth </Td> <Td> 戊 </Td> <Td> 午 </Td> <Td> Horse </Td> <Td> Feb 04 2038--Jan 23 2039 </Td> </Tr> <Tr> <Td> 56 </Td> <Td> Jan 28 1979--Feb 15 1980 </Td> <Td> Yin Earth </Td> <Td> 己 </Td> <Td> 未 </Td> <Td> Goat </Td> <Td> Jan 24 2039--Feb 11 2040 </Td> </Tr> <Tr> <Td> 57 </Td> <Td> Feb 16 1980--Feb 04 1981 </Td> <Td> Yang Metal </Td> <Td> 庚 </Td> <Td> 申 </Td> <Td> Monkey </Td> <Td> Feb 12 2040--Jan 31 2041 </Td> </Tr> <Tr> <Td> 58 </Td> <Td> Feb 05 1981--Jan 24 1982 </Td> <Td> Yin Metal </Td> <Td> 辛 </Td> <Td> 酉 </Td> <Td> Rooster </Td> <Td> Feb 01 2041--Jan 21 2042 </Td> </Tr>

What is the significance of the chinese zodiac