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.

Acts 22:30

Paul Before the Sanhedrin

22:30 The next day, because the commanding officer wanted to know the true reason Paul was being accused by the Jews, he released him and ordered the chief priests and the whole council to assemble. He then brought Paul down and had him stand before them.