Sumerians predict the apocalypse will occur in the year 2012 by using a calculation known as the sexagesimal number system. In the system, there is mentioned a cycle of a rotation of a planet Nibiru.Planet Nibiru called a dark twin of the sun with a much larger size than the earth. This planet will hit the earth with a very powerful. Nibiru planetary cycle repeats every 3661 years. This year it is expected that the cycle will re-occur in December 2012.
