As the Chinese story goes, the rat tricked the cat into missing a banquet with the Jade Emperor, resulting in the cat not being included in the zodiac. This was also apparently the beginning of the natural hatred between cats and rats.
However the truth of it is because when the Chinese zodiac was drawn up, domesticated cats were not very popular in China. It was rare to see a domesticated cat in a household. The people who created the zodiac simply didn't think of cats because they were very insignificant to the Chinese culture at the time.
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No, the cat is not included in the twelve zodiac animals on the Chinese calendar. The twelve animals in the Chinese zodiac signs are arranged in order starting from Rat, Bull, Tiger, Rabbit, Dragon, Snake, Horse, Goat, Monkey, Rooster, Dog, Pig.
because the Chinese calendar is different from the calendar used in the US
This year (2012) is 4649 in the Chinese calendar. Your meaning of the old Chinese calendar is unclear
2010 is Year 4707 in the Chinese Calendar
Because in the Chinese Calendar, which is the Lunar Calendar, it is the New Year. The Lunar Calendar and Solar Calendar is different.
1944 (Gregorian) was 4580 in the Chinese calendar
The Chinese lunar calendar does not use months, rather divisions. The Chinese lunar calendar has 24 divisions in a year.
the Chinese
Using the Chinese Calendar, 2007 is the year 4704.
1983 was the Year of the Pig in the Chinese Calendar.
Using the Chinese Calendar, 2007 is the year 4704.
The Chinese calendar repeats after 12 years.