We've put a man on the moon; we can transplant hearts; we can sit in our front rooms and on a piece of glass watch something that is happening thousands of miles away; we can drop bombs that kill hordes of innocent people and yet don't damage property; but nobody knows what the first day of the week is.
So you think it's Monday right? Wrong, it's Sunday and if you don't believe me look it up in Google. So you think it's Sunday right? Wrong, it's Monday and if you don't believe me look it up in Google. When is the Sabbath? Well everyone agrees that's on Sunday, except of course for those that say it's on Saturday.
If after millions of years we still can't establish when the week begins how the fuck have we ever got anything done?