Jesus accurately predicted the destruction of Jerusalem at the end of the 690 years and He included His prediction for the.end of the world with it.
Matthew 24:2 And Jesus said unto them, See ye not all these things? verily I say unto you, There shall not be left here one stone upon another, that shall not be thrown down.
Matthew 24:3 And as he sat upon the mount of Olives, the disciples came unto him privately, saying, Tell us, when shall these things be? and what shall be the sign of thy coming, and of the end of the world?
John 3:17 For God sent not his Son into the world to condemn the world; but that the world through him might be saved.