Christians are not commanded to work 6 days and then rest for one. We are not required to keep the sabbath.
Did Christ not say He came not to destroy the Law, but to fulfill it? Are we not to emulate Christ? Are we not commanded to be perfect, as God is perfect? We are absolutely supposed to follow Gods commands. We are not allowed to pick and choose. That is one slippery slope yoou are trying to walk up brother.
Hebrews 3:18
And to whom sware he that they should not enter into his rest, but to them that believed not ?
3:19 So we see that they could not enter in because of unbelief.