Did they observe it after His resurrection?

Answer

"And Paul, as his manner was, went in unto them, and three Sabbath days reasoned with them out of the
Scriptures." Acts 17: 2. See also Acts 13: 14, 42, 44; 16: 13; 18: 1-4, 11.

By whom were the men directed who thus spoke for God?
What instruction shows that sanctification is a progressive work?
How far-reaching is God's ability to reveal the future?
What is the whole world called upon to do?
What power is there in the blood of this covenant?
25. Since the Sunday Sabbath originated with the Roman power (the beast), to whom will men yield deference to compulsory Sunday laws?
To what Old Testament promise did Peter evidently refer?

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