Parallel
Luke 3:21
Nestle 1904 Greek New Testament · Berean Standard Bible
Ἐγένετο δὲ ἐν τῷ βαπτισθῆναι ἅπαντα τὸν λαὸν καὶ Ἰησοῦ βαπτισθέντος καὶ προσευχομένου ἀνεῳχθῆναι τὸν οὐρανὸν
When all the people were being baptized, Jesus was baptized too. And as He was praying, heaven was opened,