"Well... I answered this question on Nexus and then expanded in a facebook note. I've just copy&pasted it in here. If you have few minutes, please read. Hope I won't bore you senselessly.
I was born atheist, just like all of…"
"I'm perfectly happy with the 7 day division. Besides, days of the week in English have rather pagan names. I'm perfectly happy with this just like I am with that pagan tree in December.
In Poland, where I come from the name for Saturday…"