Luke 22:60
And Peter said, Man, I know not what thou sayest. And immediately, while he yet spake, the cock crew.
Cross-references
In Luke 22:34, Jesus predicted Peter's denial before the rooster crowed; here that prophecy is fulfilled as the rooster crows immediately after the third denial.
Matthew 26:74 gives a parallel account of Peter's denial with cursing and swearing, ending with the identical rooster crow.
Matthew 26:75 continues the story: Peter remembers Jesus' prediction and weeps bitterly, showing his remorse after the denial.
Mark 14:71 parallels this moment: Peter curses and swears he does not know Jesus, just before the rooster crows.
Mark 14:72 adds the second rooster crow and Peter's tearful remembrance of Jesus' prediction, deepening the narrative of failure.
John 18:27 gives another parallel: Peter denies again and immediately a rooster crows, confirming the fulfillment.
Matthew 26:73 records the accusation that Peter's Galilean accent betrays him, the immediate trigger for his third denial.
John 18:26 gives another eyewitness account of Peter's denial, adding the detail of Malchus' relative recognizing him.