Religion & Spirituality
Along with the fact that it is a memorial of Creation, the Sabbath day is also an identification of HaShem's authority. Only he could set a day apart as holy (read B'resheet 2:1-3). Only he could sanctify a day as an eternal memorial of his uniqueness. No other created being has this authority. This includes man. This includes religious institutions. When we attempt to override this authority, we undermine the very character, identification, and nature of our All-mighty God. Once we find ourselves playing God, it is then that we are in serious trouble. While it is true that we have been given the authority to make lasting decisions governing everyday communal matters (read Mattityahu 18:15-20 to understand an often-misunderstood application of heavenly authority), we have not been given the authority to switch God's Sabbath Day, nor to abrogate it.