Why does the Lord call the Sabbath His day?

Answer

"For in six days the Lord made heaven and earth, the sea, and all that in them is, and rested the seventh
day: wherefore the Lord blessed the Sabbath day, and hallowed it." Ex. 20: 11.

Through whom is this reconciliation made?
What does Christ declare Himself to be?
Who does the apostle say saw Christ after He was risen?
Why are they demanded now?
What was to follow the great earthquake?
What is to be the reward of those whose works are good?
Why are its gates not to be closed?

Questions & Answers are from the book Bible Readings for the Home Circle