Matthew 24:36

As to the day and hour, that no one knows, not even the angels of heaven, but the father only.

Acts 1:7

and he said to them, it is not for you, to know the times or the seasons, which the father hath reserv'd in his own disposal.

Matthew 25:13

watch therefore, for ye know neither the day nor the hour.

Mark 13:32

as to the day and hour, that no one knows, neither the angels in heaven, nor even the son; but the father only.

1 Thessalonians 5:2

for you very well know, that the day of the Lord steals on like a thief in the night.

1 Thessalonians 5:2

for you very well know, that the day of the Lord steals on like a thief in the night.

Matthew 24:42

watch therefore, for ye know not at what hour your Lord shall come.

Matthew 24:44

therefore be ye also prepar'd: for the son of man may come at an hour you least expect.

2 Peter 3:10

As for that day of the Lord, it will advance like a thief: then the heavens will rush with violence, the boiling elements will be dissolved, and the earth with all its contents, shall be burnt away.

Revelation 3:3

remember therefore what thou hast received and heard: observe it and repent. if therefore thou art not vigilant, I will come upon thee as a thief, thou shalt not know what hour I will come upon thee.

Revelation 16:15

"I shall come with surprize, happy he that is upon the watch, and keepeth his garments pure, that his vices may not put him to shame."

Treasury of Scripture Knowledge

Summary

But of that day and hour knoweth no man, no, not the angels of heaven, but my Father only.

Bible References

General references

Matthew 24:42
watch therefore, for ye know not at what hour your Lord shall come.
Matthew 25:13
watch therefore, for ye know neither the day nor the hour.
Mark 13:32
as to the day and hour, that no one knows, neither the angels in heaven, nor even the son; but the father only.
Acts 1:7
and he said to them, it is not for you, to know the times or the seasons, which the father hath reserv'd in his own disposal.
1 Thessalonians 5:2
for you very well know, that the day of the Lord steals on like a thief in the night.
2 Peter 3:10
As for that day of the Lord, it will advance like a thief: then the heavens will rush with violence, the boiling elements will be dissolved, and the earth with all its contents, shall be burnt away.
Revelation 3:3
remember therefore what thou hast received and heard: observe it and repent. if therefore thou art not vigilant, I will come upon thee as a thief, thou shalt not know what hour I will come upon thee.
Revelation 16:15
"I shall come with surprize, happy he that is upon the watch, and keepeth his garments pure, that his vices may not put him to shame."