17 After three days he called together the local leaders of the Jews, and when they had gathered, he said to them, “Brothers, though I had done nothing against our people or the customs of our fathers, yet I was delivered as a prisoner from Jerusalem into the hands of the Romans.
“after three days” – Meaning 3 days after his arrival in Rome (see v. 16). Paul’s house arrest prevents him from going to the local synagogue as is his usual custom, thus he arranges a meeting for them to come to him. Even in the midst of unpleasant circumstances (to say the least) Paul continues with the mission of teaching and sharing the gospel to those within his sphere of influence.