David Meade, who spoke about the doomsday, has now said that the “end of the world will begin from October 21.”

The day before he foretold the apocalyptic prophecy, Meade said he expects “nothing to happen in September”, according to Canada Journal.

Instead, he claimed the Book of Revelation will manifest that day, leading to a series of catastrophic events that will happen over the course of weeks.

“The world is not ending, but the world as we know it is ending,” he told Canada Journal, adding: “A major part of the world will not be the same the beginning of October.”

Meade told Fox 13 Salt Lake City that “seven years” of war and disaster will begin on October 21.

Space agency NASA has dismissed the Planet X theory as a hoax.

“Various people are ‘predicting’ that (the) world will end Sept. 23 when another planet collides with Earth,” NASA said. “The planet in question, Niburu, doesn’t exist, so there will be no collision.”

NASA also stated the “story of Niburu has been around for years, as has the ‘days of darkness’ tale and is periodically recycled into new apocalyptic fables.”