John 18:27

Then Peter again denied it, and at that moment a cock crowed.

John 13:38

Jesus answered, "You will lay down your life for me! I most solemnly say to you, before a cock crows, you will three times disown me!"

Matthew 26:34

Jesus said to him, "I solemnly say to you, this very night, before a cock crows, you will disown me three times."

Matthew 26:74-75

Then he commenced cursing and swearing, "I do not know the man!" And at once a cock crowed.

Mark 14:30

Then Jesus said to him, "I solemnly say to you, this very night, before the cock crows twice, you, yes, you, will disown me three times."

Mark 14:68

But he denied it, saying, "I do not know or understand what you mean." Then he went out of the courtyard and was in the gateway to it.

Mark 14:71-72

Then he commenced cursing and swearing, "I do not know this man that you are talking about."

Luke 22:34

But He said, "I tell you, Peter, the cock will not crow today before you deny three times that you know me!"

Luke 22:60-62

But Peter said, "Man, I do not know what you mean." And all at once, while he was still speaking, a cock crowed.

Treasury of Scripture Knowledge

Summary

Peter then denied again: and immediately the cock crew.

General references

Bible References

And

John 13:38
Jesus answered, "You will lay down your life for me! I most solemnly say to you, before a cock crows, you will three times disown me!"
Matthew 26:34
Jesus said to him, "I solemnly say to you, this very night, before a cock crows, you will disown me three times."
Mark 14:30
Then Jesus said to him, "I solemnly say to you, this very night, before the cock crows twice, you, yes, you, will disown me three times."
Luke 22:34
But He said, "I tell you, Peter, the cock will not crow today before you deny three times that you know me!"

General references

John 20:6
Then Simon Peter came running up behind him, and he went inside, and saw the bandages lying on the ground,
Acts 7:24
Because he saw one of them being mistreated, he defended and avenged the man who was suffering ill-treatment by striking down the Egyptian.