The end of the world is supposed to end on, or around the date of December 21, 2012 depending on various prophecies. One thing is for sure, each of these prophecies all coincidently have the world ending same time frame. Here are a few of the predictions/prophecies.
The mayan calendar is set to end on December 21, 2012 after being historically accuarate for thousands of years.
Prophecy of the Popes - This started with Saint Malachy in the 12th century. In 1138 A.D., Malachy was summoned to Rome by Pope Innocent II. While he was in Rome, Malachy experienced visions of future popes which he wrote down. He did not write their names, but instead revealed the popes to come by symbolic titles in Latin. His prophecy contained mottos for 112 Popes starting with Celestine (1143 a.d.). The mottos he established have been linked to every pope in the same exact order. Pope Benedict XVI, our current pope, is the 111th Pope in the list. After listing off all 112 mottos Saint Malachy concluded with:
"In the final persecution of the Holy Roman Church there will reign Peter the Roman, who will feed his flock among many tribulations; after which the seven hilled city will be destroyed and the dreadful Judge will judge the people. The End”
The 1997 book The Bible Code claims that, according to certain algorithms of the Bible code, a meteor, asteroid or comet will collide with the Earth.
The book The Nostradamus Code speaks of a series of natural disasters caused by a comet (possibly as above) that will allow the third Antichrist to disperse his troops around the globe under the guise of aid in preparation for a possible nuclear war, although in the strictest sense it is unspecific as to nuclear war or some other natural or man caused destruction.
The book The Orion Prophecy claims that the Earth's magnetic field will reverse.
In the year 2012 “433 Eros”, the second-largest Near Earth Object on record is expected to pass Earth at 0.1790 astronomical units. NASA studied Eros in the NEAR Shoemaker probe launched February 2000.