Yet there has been some controversy as to whether the requirement to observe the Sabbath day as a day of rest is still relevant given that many feel that the Ten Commandments were done away with at the cross.  A similar viewpoint was that grace did away with the commandments, i.e. the law.  Others argue that the Sabbath was just for the Jewish people and doesn't apply to Gentiles.  Are any of these arguments valid?  If not, then how and when did most Christianity begin worshipping on Sunday rather than on Sabbath?

In the search for truth regarding this important topic, I compiled all the texts in the Bible related to the subject by using a computer to search for words that I felt are relevant or of interest to the genuine seeker for truth. These words or terms are listed below.

Two items should be noted. First, the term "Sabbath" is used for more than just the seventh day of the week. It also refers to:

The general term "Sabbath" meant a God-designated time of rest, a cessation of regular work.

Secondly, in the Bible, a day was considered as extending from evening to evening. This was instituted at Creation. In the Genesis account, we find the terms "And there was evening, and there was morning, the (first, second, third, etc.) day." (See Genesis chapter 1).