Matthew 24:36

But about that day or hour no one knows, not even the angels in heaven nor the Son, but only the Father.

Acts 1:7

He said to them, "It is not for you to know times and dates which the Father has fixed by his own authority,

Matthew 25:13

So you must be on the watch, for you do not know either the day or the hour.

Mark 13:32

But about that day or hour no one knows, not even the angels in heaven, nor the Son; only the Father.

1 Thessalonians 5:2

for you yourselves know perfectly well that the Day of the Lord is to come like a thief in the night.

Matthew 24:42

So you must be on the watch, for you do not know on what day your Master is coming.

Matthew 24:44

Therefore you must be ready too, for the Son of Man is coming at a time when you do not expect him.

2 Peter 3:10

The Day of the Lord will come like a thief; on it the heavens will pass away with a roar, the heavenly bodies will burn up and be destroyed, and the earth and all its works will melt away.

Revelation 3:3

So remember what you received and heard, and obey it, and repent. If you do not wake up, I will come like a thief, and you will not know at what hour I am coming upon you.

Revelation 16:15

(See, I am coming like a thief! Blessed is he who keeps awake, and keeps hold of his clothes, so that he will not have to go naked and be put 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
So you must be on the watch, for you do not know on what day your Master is coming.
Matthew 25:13
So you must be on the watch, for you do not know either the day or the hour.
Mark 13:32
But about that day or hour no one knows, not even the angels in heaven, nor the Son; only the Father.
Acts 1:7
He said to them, "It is not for you to know times and dates which the Father has fixed by his own authority,
1 Thessalonians 5:2
for you yourselves know perfectly well that the Day of the Lord is to come like a thief in the night.
2 Peter 3:10
The Day of the Lord will come like a thief; on it the heavens will pass away with a roar, the heavenly bodies will burn up and be destroyed, and the earth and all its works will melt away.
Revelation 3:3
So remember what you received and heard, and obey it, and repent. If you do not wake up, I will come like a thief, and you will not know at what hour I am coming upon you.
Revelation 16:15
(See, I am coming like a thief! Blessed is he who keeps awake, and keeps hold of his clothes, so that he will not have to go naked and be put to shame!)