Is Sunday worship a 2,000-year-old mistake — and are Sabbatarians the only Christians actually obeying God?
Saturday or Sunday? Sacred rest or legalistic trap? Seventh-day Adventists and some Messianic believers say the Fourth Commandment never changed and Sunday worship is Constantine's invention, not God's. Mainstream Protestants and Catholics say the Resurrection moved everything. Pick a side — and be ready to explain why you think the other half of Christianity has been getting their worship day wrong for two millennia.