Luke 5:35

But the 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, The days will come when you will long to see one of the days of the Son of Man, and you will not see it.

Isaiah 22:12

Therefore in that day the Lord God of hosts called you to weeping, to wailing,
To shaving the head and to wearing sackcloth.

Daniel 9:26

Then after the sixty-two weeks the Messiah will be cut off and have nothing, and the people of the prince who is to come will destroy the city and the sanctuary. And its end will come with a flood; even to the end there will be war; desolations are determined.

Zechariah 13:7

“Awake, O sword, against My Shepherd,
And against the man, My Associate,”
Declares the Lord of hosts.
Strike the Shepherd that the sheep may be scattered;
And I will turn My hand against the little ones.

Matthew 6:17-18

But you, when you fast, anoint your head and wash your face

Luke 24:17-21

And He said to them, “What are these words that you are exchanging with one another as you are walking?” And they stood still, looking sad.

John 12:8

For you always have the poor with you, but you do not always have Me.”

John 13:33

Little children, I am with you a little while longer. You will seek Me; and as I said to the Jews, now I also say to you, ‘Where I am going, you cannot come.’

John 14:3-4

If I go and prepare a place for you, I will come again and receive you to Myself, that where I am, there you may be also.

John 16:4-7

But these things I have spoken to you, so that when their hour comes, you may remember that I told you of them. These things I did not say to you at the beginning, because I was with you.

John 16:16-22

A little while, and you will no longer see Me; and again a little while, and you will see Me.”

John 16:28

I came forth from the Father and have come into the world; I am leaving the world again and going to the Father.”

John 17:11-13

I am no longer in the world; and yet they themselves are in the world, and I come to You. Holy Father, keep them in Your name, the name which You have given Me, that they may be one even as We are.

Acts 1:9

And after He had said these things, He was lifted up while they were looking on, and a cloud received Him out of their sight.

Acts 3:21

whom heaven must receive until the period of restoration of all things about which God spoke by the mouth of His holy prophets from ancient time.

Acts 13:2-3

While they were ministering to the Lord and fasting, the Holy Spirit said, “Set apart for Me Barnabas and Saul for the work to which I have called them.”

Acts 14:23

When they had appointed elders for them in every church, having prayed with fasting, they commended them to the Lord in whom they had believed.

1 Corinthians 7:5

Stop depriving one another, except by agreement for a time, so that you may devote yourselves to prayer, and come together again so that Satan will not tempt you because of your lack of self-control.

2 Corinthians 11:27

I have been in labor and hardship, through many sleepless nights, in hunger and thirst, often without food, in cold and exposure.

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
Therefore in that day the Lord God of hosts called you to weeping, to wailing,
To shaving the head and to wearing sackcloth.
Matthew 6:17
But you, when you fast, anoint your head and wash your face
Acts 13:2
While they were ministering to the Lord and fasting, the Holy Spirit said, “Set apart for Me Barnabas and Saul for the work to which I have called them.”
Acts 14:23
When they had appointed elders for them in every church, having prayed with fasting, they commended them to the Lord in whom they had believed.
1 Corinthians 7:5
Stop depriving one another, except by agreement for a time, so that you may devote yourselves to prayer, and come together again so that Satan will not tempt you because of your lack of self-control.
2 Corinthians 11:27
I have been in labor and hardship, through many sleepless nights, in hunger and thirst, often without food, in cold and exposure.