Analysis of information sources in references of the Wikipedia article "Timeline of astronomy" in English language version.
[T]he zodiac was introduced between −408 and −397 and probably within a very few years of −400.
[T]he zodiac was introduced between −408 and −397 and probably within a very few years of −400.
[T]he zodiac was introduced between −408 and −397 and probably within a very few years of −400.