The dating and calculation systems of the day used in the Christian calendar are based on astrology, namely the knowledge of the movement of celestial bodies such as the sun, moon, and constellations.
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Astrology originated in Mesopotamia, the land between the Tigris and Euphrates rivers, the area of origin of the ancient Babylonians (now Southeastern Iraq). This science developed since the time of the ancient Babylonian reign, about 2000 BC.
Initially, astrologers in Egypt about 1000 BC, studying celestial bodies only for general predictions about the future. This astrological knowledge was later taken over by the Babylonians. Blank Monthly Calendar 2020 Various Themes will be guided for free. You need to use it for free usage.
Babylonian Astrology was the one who later developed a system that connected seasonal changes with certain groups of stars called constellations or constellations. But between 600 BC and 200 BC, they began to develop a system for calculating day calendars and drawing individual horoscopes. All in all, we hope that Blank Monthly Calendar 2020 Various Themes will be very good for you. Take it freely.