Origin of the 7-day week
The week is the only unit of ancient time that has no explainable origin other than God himself. The origin of the 7-day week can only be attributed to 'religion' - to God's instruction to mankind to rest every 7th day. The 7-day week is not of natural origin, because there is no observable natural pattern to base it on. As we attempt to find some natural occurrence to base a week on, we might as well choose a 5-day week or an 11-day week. The 7-day week just doesn't make sense from any naturally observable phenomena. Some have theorized that the 7-day week is based on the observation of 7 "wanderer planets" (6 planets plus the moon thrown in for an even 7). This theory makes no sense. The ancients knew the difference between the moon and the planets. That's why the ancient month is based solely on the moon's cycle. To then turn around and include the moon as a wandering planet (and the basis for a 7-day week) would be double-counting the moon but si...