Babylonians 400BC 1.) They saw the development of personal horoscopes and the 12 zodiac signs 2.) They used a sexagesimal system to trace the planets transits by dividing the 360 degrees sky into 30 degrees. 3.) They believed the universe was divided into 6 levels with 3 heavens. (jan 1, 400 BC – jun 1, 393 BC)
Added to timeline:
Date:
jan 1, 400 BC
jun 1, 393 BC
~ 6 years and 7 months