12 years.
The Chinese Zodiac was created many years ago by the Chinese people in 2637 BC. Therefore because it is 2011 the Chinese Zodiac was invented 3000 years ago today.
Zodiac signs do not change. People change, many people of all birth dates are willing to change for their loved ones.
Western Zodiac consists of different days, whilst Chinese Zodiac is about years.
Certain animals became more powerful or respected and held the ranks for their defined years of reign.
your zodiac changes sometimes because of leap years
The Chinese Zodiac is based on years, not months.
if you want to you can but the astroligy sings change every 50 years or so and only if it really describes you
Roughly 11 years, 10 months, and 10 days. (11.86 yrs)
Saturn - 2.5 years, 2-3 ret/sign/Whole zodiac 29 years
If you are talking about the astrological 'ages', they are each approximately 2,150 years in length. See link for more details.
No, the zodiac dates have changed due to the progression of the equinoxes.
Animal symbols in the Chinese New Year calendar repeat every 12 years.