New Revised Standard Version
the master of that slave will come on a day when he does not expect him and at an hour that he does not know.

Contemporary English Version
If that happens, the master will surely come on a day and at a time when the servant least expects him.

New American Bible
the servant’s master will come on an unexpected day and at an unknown hour

Douay-Rheims Bible
The lord of that servant shall come in a day that he hopeth not and at an hour that he knoweth not:

The lord of that servant shall come in a day that he hopeth not and at an hour that he knoweth not:

come.

Matthew 24:42-44 Watch ye therefore, because you know not what hour your Lord will come. . . .

Proverbs 29:1 The man that with a stiff neck despiseth him that reproveth him, shall suddenly be destroyed: and health shall not follow him.

1 Thessalonians 5:2,3 For yourselves know perfectly that the day of the Lord shall so come as a thief in the night. . . .

Revelation 3:3 Have in mind therefore in what manner thou hast received and heard: and observe and do penance: If then thou shalt not watch, I will come to thee as a thief: and thou shalt not know at what hour I will come to thee.