Matthew 26:34 Jesus said to him, 'Verily I say to thee, that, this night, before cock-crowing, thrice thou wilt deny me.' (YLT)
Matthew 26:75 and Peter remembered the saying of Jesus, he having said to him -- 'Before cock-crowing, thrice thou wilt deny me;' and having gone without, he did weep bitterly. (YLT)
Mark 13:35 Watch ye therefore: for ye know not when the master of the house cometh, at evening, or at midnight, or at the cock-crowing, or in the morning: (WBS YLT)