Luke 3:21

21 Now it came to pass, when all the people were baptized, that, Jesus also having been baptized, and praying, the heaven was opened,

Luke 3:21 Meaning and Commentary

Luke 3:21

Now when all the people were baptized
That came from several parts to John for this purpose, even as many as he judged to be proper subjects of that ordinance, as many of the common people, publicans, soldiers

it came to pass that Jesus also being baptized;
of John in Jordan, he coming from Galilee thither on that account:

and praying;
after he was baptized, for the coming down of the Spirit upon him, as man, to anoint, and qualify him for his office he was now about to enter on publicly: and for success in it, and for a testimony from heaven, that he was the Son of God, and true Messiah:

the heaven was opened;
(See Gill on Matthew 3:16).

Luke 3:21 In-Context

19 but Herod the tetrarch, being reproved by him for Herodias his brother's wife, and for all the evil things which Herod had done,
20 added this also to them all, that he shut up John in prison.
21 Now it came to pass, when all the people were baptized, that, Jesus also having been baptized, and praying, the heaven was opened,
22 and the Holy Spirit descended in a bodily form, as a dove, upon him, and a voice came out of heaven, Thou art my beloved Son; in thee I am well pleased.
23 And Jesus himself, when he began [to teach], was about thirty years of age, being the son (as was supposed) of Joseph, the [son] of Heli,
The American Standard Version is in the public domain.