Why Have Christians Changed the Sabbath?

The Third Commandment given by God to Moses clearly states: "Remember to keep holy Sabbath day. Six days you may labour and do all your work, but the seventh day is the Sabbath of the Lord, your God. No work may be done then either by you, or your son or daughter, or your male or female slave, or your beast, or by the alien who lives with you. In six days the Lord made the heavens and earth, the sea and all that is in them; but on the seventh day He rested. That is why the Lord has blessed the Sabbath day and made it holy" (Ex 20:8-11). The word "Sabbath" is an Anglicised version of the Hebrew Shabbath (שַׁבָּת, or Shabbat ), which means means "day of rest". It derives from the verb shavath (שָׁבַת, Strong's Concordance no. 7673 as šāvat , often shavat ), defined as "desist from exertion" (often "rest" or "cease"). The word shavath was first used in the Biblical account of the seventh day of Creation ( Genesis...