[Physicist]

I didn't check the dates. (Not geeky enough.)

This one's pretty geeky. I had thought that the year 3000 would be a leap year, but it's not. I know that years ending in 00 are not leap years, but 2000 was a leap year, so I assumed that 3000 would be a leap year also. Not so. 2000 is divisible by 400, but 3000 is not, hence the year 2000 is a leap year, but the year 3000 is not.

[PatrickHenry]

This one's pretty geeky. I had thought that the year 3000 would be a leap year, but it's not.

Yes, that one really is geeky. You are the thread's geek of the week. My own concern is whether the universe will end during a leap year. Data keeps shifting on me, so it's still an open question.