Parallel
Acts 18:11
Robinson-Pierpont Byzantine Textform · Berean Standard Bible
Ἐκάθισέν τε ἐνιαυτὸν καὶ μῆνας ἕξ, διδάσκων ἐν αὐτοῖς τὸν λόγον τοῦ θεοῦ.
So Paul stayed for a year and a half, teaching the word of God among the Corinthians.