If you go into almost any religious bookstore, you can find dozens of titles written by people, some of whom are probably sincere, claiming to have the inside scoop on the end of the world. The only trouble, Jesus said, is that nobody knows when it's going to happen. If you don't take home anything else today, I want you to take home Jesus' clear statement, that anyone who claims to know about the end of the world, is a faker. Don't believe them. It can also be pretty scholarly, which tells me that scholarship can sometimes be perverted.
People are so impatient.
It's as if knowing this kind of stuff, is going to give us some kind of control over events. And I don't think that controlling God ever really works. I think that any attempts to second-guess Jesus are going to be mistaken. The Bible never really says, straight out, in one place, in words of one syllable, exactly what's going to happen. What we have is scattered, in many different places.