I could be wrong, but I'm guessing that Mike knew that and he was just kidding around. that's why he added the 'HA HA HA'
I was guessing that was the case. It's just weird to think that the time stamp would be so different on the post. For me, when I see her post, the date above still shows the date I am online. The other thing is that sometimes I find people who like to countdown to Christmas EVE. In the end, we are all headed to the same goal!!