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
Zodiac Killer viewers to keep the lines open, and eventually, someone claiming to be the Zodiac called several times and said his name was "Sam". Belli agreed to meet with him in Daly City, but the suspect never showed up. On November 8, 1969, the Zodiac mailed a card with another cryptogram consisting of 340 characters. The 340-character cipher has never been decoded. Numerous possible solutions have been suggested, but none can be claimed as definitive. On November 9, 1969, the Zodiac mailed a seven-page letter stating that two policemen stopped and actually spoke with him three minutes after he shot Stine.