Zodiac constellations can be traced even further back, to Bronze Age (First Babylonian dynasty) sources, including Gemini "The Twins", from MAŠ.TAB.BA.GAL.GAL "The Great Twins", and Cancer "The Crab", from AL.LUL "The Crayfish", among others. Around the end of the 5th century BC, Babylonian astronomers divided the ecliptic into twelve equal "signs", by analogy to twelve schematic months of thirty days each. Each sign contained thirty degrees of celestial longitude, thus creating the first known celestial coordinate system. Unlike modern astronomers, who place the beginning of the sign of Aries at the place of the Sun at the vernal equinox; Babylonian astronomers
The Crab and the Monkey the hole. The crab quickly shaves the monkey's bottom, which is why to this day monkeys have hairless bottoms and hair grows on crabs' claws. Similar stories involving a crab and a monkey, or a monkey and a toad, or other creatures seeking vengeance are found in China, Korea, and Mongolia, and among the Ainu. The Crab and the Monkey The Crab and the Monkey, also known as or The Quarrel of the Monkey and the Crab, is a Japanese folktale. In the story, a sly monkey kills a crab, and is later killed in revenge by the crab's offspring.