New Revised Standard Version
And Jesus said to them, “The wedding guests cannot mourn as long as the bridegroom is with them, can they? The days will come when the bridegroom is taken away from them, and then they will fast.

Contemporary English Version
Jesus answered: The friends of a bridegroom aren't sad while he is still with them. But the time will come when he will be taken from them. Then they will go without eating.

New American Bible
Jesus answered them, “Can the wedding guests mourn as long as the bridegroom is with them? The days will come when the bridegroom is taken away from them, and then they will fast.

Douay-Rheims Bible
And Jesus said to them: Can the children of the bridegroom mourn, as long as the bridegroom is with them? But the days will come, when the bridegroom shall be taken away from them, and then they shall fast.

And Jesus said to them: Can the children of the bridegroom mourn, as long as the bridegroom is with them? But the days will come, when the bridegroom shall be taken away from them, and then they shall fast.

Can.

Matthew 25:1-10 Then shall the kingdom of heaven be like to ten virgins, who taking their lamps went out to meet the bridegroom and the bride. . . .

Judges 14:11 And when the citizens of that place saw him, they brought him thirty companions to be with him.

*etc:

Psalm 45:14,15 Clothed round about with varieties. After her shall virgins be brought to the king: her neighbours shall be brought to thee. . . .

John 3:29 He that hath the bride is the bridegroom: but the friend of the bridegroom, who standeth and heareth Him, rejoiceth with joy because of the bridegroom's voice. This my joy therefore is fulfilled.

Revelation 19:9 And he said to me: Write: Blessed are they that are called to the marriage supper of the Lamb. And he saith to me: These words of God are true.

Revelation 21:2 And I, John, saw the holy city, the new Jerusalem, coming down out of heaven from God, prepared as a bride adorned for her husband.

when.

Luke 24:13-21 And behold, two of them went, the same day, to a town which was sixty furlongs from Jerusalem, named Emmaus. . . .

John 16:6,20-22 But because I have spoken these things to you, sorrow hath filled your heart. . . .

Acts 1:9,10 And when he had said these things, while they looked on, he was raised up: and a cloud received him out of their sight. . . .

and then.

Isaiah 22:12 And the Lord, the God of hosts, in that day shall call to weeping, and to mourning, to baldness, and to girding with sackcloth:

Acts 13:1-3 Now there were in the church which was at Antioch prophets and doctors, among whom was Barnabas and Simon who was called Niger, and Lucius of Cyrene and Manahen who was the foster brother of Herod the tetrarch, and Saul. . . .

Acts 14:23 And when they had ordained to them priests in every church and had prayed with fasting, they commended them to the Lord, in whom they believed.

1 Corinthians 7:5 Defraud not one another, except, perhaps, by consent, for a time, that you may give yourselves to prayer: and return together again, lest Satan tempt you for your incontinency.

2 Corinthians 11:27 In labour and painfulness, in much watchings, in hunger and thirst, in fastings often, in cold and nakedness: