The Zodiac Crimes Robin deduce that he is plotting to commit twelve crimes based loosely on astrological signs of the zodiac and that he committed the first Zodiac Crime already by stealing the rare art map, whose initials stand for the sign of the Ram (Aries). Meanwhile, back at his hideout Joker clues the recently arrived (rather, packaged and shipped) Penguin into his astrological plan. He then gives a false clue to Batman and Robin to the effect that "Taurus the Bull is next on my show", and "You'll be singing a song of woe!" Batman and Robin deduce that Joker was telling
Astrological sign operate on cycles of years, lunar months, and two-hour periods of the day (also known as "shichen"). A particular feature of the Chinese zodiac is its operation in a 60-year cycle in combination with the Five Phases of Chinese astrology (Wood, Fire, Metal, Water and Earth). Nevertheless, some researches say that there is an obvious relationship between the Chinese 12-year cycle and zodiac constellations: each year of the cycle corresponds to a certain disposal of Jupiter. For example, in the year of Snake Jupiter is in the Sign of Gemini, in the year of Horse Jupiter is in the Sign