And he continued [there] a year and six months, teaching the word of God among them.
Berean Study Bible (BSB) - Acts 18:11 >So Paul stayed for a year and a half, teaching the word of God among the Corinthians.
Textus Receptus (TR) - Acts 18:11 >Ἐκάθισέ τε ἐνιαυτὸν καὶ μῆνας ἕξ, διδάσκων ἐν αὐτοῖς τὸν λόγον τοῦ Θεοῦ.