Luke 5:35

But days will come, and when the bridegroom is taken away from them, then they will fast in those days."

Luke 17:22

And he said to the disciples, "Days will come when you will desire to see one of the days of the Son of Man, and you will not see [it].

Isaiah 22:12

And the Lord, Yahweh of hosts, called on that day for weeping and mourning, and for baldness and girding {with} sackcloth.

Daniel 9:26

"And after the sixty and two weeks an anointed one shall be cut off, and {he shall have nothing}, and [the] people of the coming leader will destroy the city and the sanctuary, and its end [will be] with the flood and [on] to [the] end [there shall be] war; [these] desolations are determined.

Zechariah 13:7

"O sword, awake against my shepherd, against [the] man [who is] my associate," {declares} Yahweh of hosts. "Strike the shepherd, so that the sheep may be scattered, and I will turn my hand against the small [ones].

Matthew 6:17-18

But [when] you are fasting, {put olive oil on your head} and wash your face

Luke 24:17-21

And he said to them, "What [are] these matters that you are discussing with one another [as you] are walking along?" And they stood still, looking sad.

John 12:8

For you have the poor with you always, but you do not always have me."

John 13:33

Children, yet a little [time] I am with you. You will seek me and just as I said to the Jews, "Where I am going you cannot come," now I say also to you.

John 14:3-4

And if I go and prepare a place for you, I will come again and receive you to myself, so that where I am, you may be also.

John 16:4-7

But I have said these [things] to you so that when their hour comes, you may remember that I told you about them.

John 16:16-22

"A little [while] and you will see me no more, and again a little [while] and you will see me.

John 16:28

I have gone out from the Father and have come into the world; again, I am leaving the world and am going to the Father."

John 17:11-13

And I am no longer in the world, and they are in the world, and I am coming to you. Holy Father, keep them in your name, which you have given to me, so that they may be one, just as we [are].

Acts 1:9

And [after he] had said these [things], [while] they were watching, he was taken up, and a cloud received him from their sight.

Acts 3:21

whom heaven must receive until the times of the restoration of all [things], about which God spoke through the mouth of his holy prophets from earliest times.

Acts 13:2-3

And [while] they were serving the Lord and fasting, the Holy Spirit said, "Set apart now for me Barnabas and Saul for the work to which I have called them."

Acts 14:23

And [when they] had appointed elders for them in every church, [after] praying with fasting, they entrusted them to the Lord, in whom they had believed.

1 Corinthians 7:5

Do not defraud one another, except perhaps by agreement, for a time, in order that you may devote yourselves to prayer, and [then] you should be {together} again, lest Satan tempt you because of your lack of self control.

2 Corinthians 11:27

with toil and hardship, often in sleepless nights, with hunger and thirst, often going hungry, in cold and poorly clothed.

Treasury of Scripture Knowledge

Summary

But the days will come, when the bridegroom shall be taken away from them, and then shall they fast in those days.

Bible References

And

Isaiah 22:12
And the Lord, Yahweh of hosts, called on that day for weeping and mourning, and for baldness and girding {with} sackcloth.
Matthew 6:17
But [when] you are fasting, {put olive oil on your head} and wash your face
Acts 13:2
And [while] they were serving the Lord and fasting, the Holy Spirit said, "Set apart now for me Barnabas and Saul for the work to which I have called them."
Acts 14:23
And [when they] had appointed elders for them in every church, [after] praying with fasting, they entrusted them to the Lord, in whom they had believed.
1 Corinthians 7:5
Do not defraud one another, except perhaps by agreement, for a time, in order that you may devote yourselves to prayer, and [then] you should be {together} again, lest Satan tempt you because of your lack of self control.
2 Corinthians 11:27
with toil and hardship, often in sleepless nights, with hunger and thirst, often going hungry, in cold and poorly clothed.