Acts 19:8

to whom He also presented Himself alive after His suffering by many convincing proofs, appearing to them over forty days and speaking about the things concerning the kingdom of God.

and immediately he began to proclaim Jesus in the synagogues, saying, “He is the Son of God.”

This took place for two years, so that all who lived in Asia heard the word of the Lord, both Jews and Greeks.

“Therefore be watchful, remembering that night and day for a period of three years I did not cease to admonish each one with tears.