what is a post hoc fallacy?

It's the fallacy of stating or thinking that if 'B' came after 'A', then 'A' must have caused 'B'.Here's a ridiculous example:Every day at 4:00 in the morning, I rub this gold ring that I always carry in my pocket, and every day, within two or three hours, the sun rises.  This has been happening regularly, for almost five years now, so I know that I can totally rely on it..I'm getting ready to write to my Congressman and tell him that if he does not send me five million dollars within a week, I will not rub the ring for a week, and that will cause havoc with farming, transportation, and weather, since the sun will not rise for a week.