Remember that's total time from when you first registered, and it will count even time when you are doing other things and the site is just sitting there not being used. So you can explain it away that way... Of course WE all know the truth, don't we?
By the way, and being serious for a sec, you can hide all that stuff. On the top right you'll see the current time and date. Next to that is a minus sign, just click that to hide the top info bar.
