John Mark
Mark 13:35ESV·traditional attribution

Therefore stay awake—for you do not know when the master of the house will come, in the evening, or at midnight, or when the rooster crows, or in the morning—

Matthew Henry Presbyterian @wholebiblehenry

We have here the application of this prophetical sermon; now learn to look forward in a right manner. I. "As to the destruction of Jerusalem, expect it to come very shortly; as when the branch of the fig-tree becomes soft, and the leaves sprout forth, ye expect that summer will come shortly, Mar 13:28. When second causes begin to work, ye expect their effects in their proper order and time.

Commenting on Mark 13:28-37

John Gill Reformed Baptist @doctorgill

And what I say unto you,.... The four disciples, Peter, James, John, and Andrew; who came privately to him, and put to him the questions, which occasioned this long discourse; see Mar 13:3. I say unto all. The Syriac and Persic versions read, "you all"; meaning all the rest of his apostles, and all his disciples and followers in Jerusalem, and in all Judea; who...

Albert Barnes Presbyterian @notesbybarnes

Verse 35. Watch ye. Be diligent, faithful, and waiting for the return of your Lord, who will come at an unexpected hour. Master of the house. Denoting here the Lord Jesus. At even, or at midnight or, at etc.: This refers to the four divisions into which the Jews divided the night.