Proverbs 7:9 (BSB)

at twilight, as the day was fading into the dark of the night.

From Proverbs 7. Also in the ESV.

Commentary on Proverbs 7:9

• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Proverbs 7:6-23: Solomon here, to enforce the caution he had given against the sin of whoredom, tells a story of a young man that was ruined to all intents and purposes by the enticements of an adulterous woman. Such a story as this would serve the lewd profane poets of our age to make a play of, and the harlot with them would be a heroine; nothing...
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Proverbs 7:9: In the twilight, in the evening, in the black and dark night. Which is the usual time adulterers take to commit their works of darkness in, by which they think to conceal them; they being such as they themselves do not care should be seen and known, Job 24:15; their works will not bear the sun and daylight, therefore they take the twilight and when...
• Jamieson-Fausset-Brown (Reformed), Commentary Critical and Explanatory on the Whole Bible on Proverbs 7:9: The time, twilight, ending in darkness. black . . . night--literally, "pupil," or, "eye," that is, middle of night.
• Geneva Bible Notes (Reformed), Geneva Bible Study Notes on Proverbs 7:9: In the twilight, in the evening, in the black and dark night: (c) He shows that there was almost no one so impudent that they were not afraid to be seen, their consciences accusing them and causing them to seek the night to cover their filthiness.