Ow, I'm confused. O_O

Here is the play by play of a conversation I just had with my boss (apparently, I was in outer space):

Me: Hey, is Martin Luther King Day the same as Good Friday?

Jack: *confused expression* ... Do you even know what Good Friday is?

Me: Umm, the day after Fat Tuesday?

Jack: *mouth drops in look of complete bafflement* Uh, no. Fat Tuesday is the end of Mardi Gras, I think. 

Me: Yeah, and Good Friday is the day you have to be good after you eat a lot on Tuesday, right? ... ? ... Wait, I'm thinking of Thursday. ... I'm confused.

Jack: Good Friday is the Friday before Easter. It's supposed to be the day that Jesus rose up from the grave... or something like that.

Me: *finally realizing how dumb I was being* Oh, so I take it Martin Luther King wasn't there?

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Ok, maybe no one will think that was funny, but everyone in the office here had a good laugh (at my expense, of course). I must've been having a goofy moment or something.