It's 12/12/12 12:12:12.
Not as fun as last year's 11/11/11 sequential date, but nonetheless it looks cool on your watch. Alas, unless you're too young to be reading this, more than likely you'll never see another numeric coincidence like this in your lifetime: the next one will occur on January 1, 2101.
Of course, no one is going to see that anyway, because in 10 days on 12/21/12, the Mayans are going to rise from the dead and bludgeon the planet into extinction with their calendar.
That is all.