Acts 16:13

16:13 On the Sabbath day we went outside the city gate to the side of the river, where we thought there would be a place of prayer, and we sat down and began to speak to the women who had assembled there.

Acts 21:26

21:26 Then Paul took the men the next day, and after he had purified himself along with them, he went to the temple and gave notice of the completion of the days of purification, when the sacrifice would be offered for each of them.