If you acknowledge the fact that our calling days pretty random names, numbering the days of the week in a pretty arbitrary fashion, starting at pretty much random points in time, you cannot but realize that it's all just premium grade bullshit. For every single (low) number in the world, you'll find some culture or cult that will attach some random meaning to it, and it's all bullshit.
It's nothing but a psychological issue that some folks let develop into a psycho-pathological one. The universe, the dogs, the mice, the tofu, the worms and the atoms don't give a damn about what we call things and how we choose to count them.
The only fun bit about it is when you have to use public transport. Check out the people, target the ones that are obviously superstitious. People do crazy things when they believe in crazy things. Just as with the templars, it's generally not destiny, just other people messing with you.
