Acts 20:7 Christian Standard Bible (CSB)
Eutychus Revived at Troas
7 On the first day of the week, we[a] assembled to break bread. Paul spoke to them, and since he was about to depart the next day, he kept on talking until midnight.
1 Corinthians 16:2 Christian Standard Bible (CSB)
2 On the first day of the week, each of you is to set something aside and save in keeping with how he is prospering, so that no collections will need to be made when I come.