Harold Camping, president of Family Stations Inc., apologized for his wrong May 21 Doomsday prediction but is sticking to his guns, now insisting the real Judgment day to be on October 21, 2011.

Harold Camping called the event last Saturday an "invisible judgment" and that something did occur - something "spiritual," not "physical." He added that the actual Apocalypse will now occur five months after May 21 which is on October 21st.

On the "real" Judgment day, a fireball will said to consume the earth and 200 million Christians will be carried up to heaven, according to Camping.

The 89 year-old retired engineer spent millions on more than 5,000 billboards and print ads worldwide to spread his May 21 Rapture prediction. A good portion of it said to have come from donations from his followers.

Through a book published in 1992, Camping previously predicted the Judgment Day to be happening in 1994. Justifying his first wrong prediction, he reportedly said "important subsequent biblical information was not yet known and there may be something he overlooked."

The Rapture is defined by Wikipedia as a "reference to the being caught up of 1 Thessalonians 4:17 when in the end times Christians will be gathered together in the air to meet Christ." In short, it's Doomsday!

If Mayans believe that the end of the world will be in 2012, a Christian radio network is convinced that it would be sooner. How soon? Just less than a week from now - on Saturday, May 21, 2011.

For months now, the Christian ministry Family Radio has spread the word about the impending Judgment Day on May 21.

How did they come up with the date?

According to a Time.com article, the Ministry "cites two Bible passages to determine the date. - the book of Peter implies that the end of the world will occur 7,000 years from the date of the Great Flood and the book of Genesis says the flood occurred on the "17th day of the second month." Taking a look at the Jewish calendar, the de facto datebook in that era, May 21, 2011 is the corresponding date. Family Radio predicts great earthquakes will shake the Earth at 6 p.m. on the 21st, continuing for five months."

Do you think the apocalypse will be on May 21? Are you ready?