35 “Therefore keep watch because you do not know when the owner of the house will come back—whether in the evening, or at midnight, or when the rooster crows, or at dawn.

Read Mark 13:35 Using Other Translations

Watch ye therefore: for ye know not when the master of the house cometh, at even, or at midnight, or at the cockcrowing, or in the morning:
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--
You, too, must keep watch! For you don’t know when the master of the household will return—in the evening, at midnight, before dawn, or at daybreak.