OK, now raise your hand if you've been abducted by raptor Jesus yet.  Ya, didn't think so. 

I know god.  He's a pretty cool guy.  He's also an excellent troll.

He wouldn't just make the day that he comes in and destroyes everything Sim-City style obvious.  It's completely of the work of the religious fanatics and their Christian Science, reading the stars or ancient Mayan Calendars or whatever, trying to predict when it's all going to end.  Don't you have anything better to do like, I don't know, help people?  Meanwhile, God is looking down at us laughing at all the people scurrying around trying to make the best of their "last days."
The end of the world has happened lots of times before, even before people were around trying to predict it.
People used to believe lots of things would bring about destruction to this world- same sex marriages, gambling and prostitution, but then people learned better.. oh wait.  Until a meteor makes a steaming hole in my lawn, I'll be here... doing all the regular stuff I do.  Oh ya, Minecraft.