On the first day of the Feast of Unleavened Bread, the disciples approached Jesus and said, “Where do you want us to prepare for you to eat the Passover?”
On the first day of the week when we gathered to break bread, Paul spoke to them because he was going to leave on the next day, and he kept on speaking until midnight.
The cup of blessing that we bless, is it not a participation in the blood of Christ? The bread that we break, is it not a participation in the body of Christ?
See, I am teaching you the statutes and ordinances as the Lord, my God, has commanded me, that you may observe them in the land you are entering to possess.