You know the early christians kept the Sabbath only in meditation, they worshipped on Sundays and early church father writings prove it:
4th Century A.D. 306
Peter, Bishop of Alexandria in Egypt:
“But the Lord’s Day we celebrate as a day of joy, because on it, he rose again.”Canon 15.
3rd Century A.D. 270
Anatolius, Bishop of Laodicea, in Asia Minor:
“Our regard for the Lord’s resurrection which took place on the Lord’s Day will lead us to celebrate it.”Chapter X.
3rd Century About A.D. 250
The Apostolic Constitution:
“On the day of our Lord’s resurrection, which is the Lord’s Day, meet more diligently.”
Book 2, sec. 7.
3rd Century A.D. 250
Cyprian, Bishop of Carthage in Africa:
“The eighth day, that is, the first day after the Sabbath and the Lord’s Day.”Epistle 58, section 4.
2nd Century A.D. 200
Tertullian in Africa:
“We solemnize the day after Saturday in contradiction to those who call this day their Sabbath.”Apology, Chapter XVI.
2nd Century A.D. 194
Clement of Alexandria, Egypt:
“He, in fulfillment of the precept, according to the gospel, keeps the Lord’s Day, when he abandons an evil disposition, and assumes that of the Gnostic, glorifying the Lord’s resurrection in himself.”Book 7, Chapter XII.
2nd Century A.D. 140
Justin Martyr:
“But Sunday is the day which we all hold our common assembly, because Jesus Christ, our Saviour, on the same day rose from the dead.”Apology, Chapter LXVII.
2nd Century A.D. 120
Barnabas:
“We keep the eighth day with joyfulness, the day on which Jesus rose again from the dead.”Chapter XVII.
1st Century A.D. 96
St. John on Patmos:
“I was in the spirit on the Lord’s Day.” Rev. 1:10.
1st Century A.D. 60
Luke, Asia Minor:
“And upon the first day of the week, when the disciples came together to break bread, Paul preached unto them.” Acts 20:7.