Matthew 24:36

But about that Day and Hour, no one knows--not even the angels of Heaven, nor yet the Son--but only the Father himself.

Acts 1:7

His answer was: "It is not for you to know times or hours, for the Father has reserved these for his own decision;

Matthew 25:13

Therefore watch, since you know neither the Day nor the Hour.

Mark 13:32

But about 'That Day,' or 'The Hour,' no one knows--not even the angels in Heaven, nor yet the Son--but only the Father.

1 Thessalonians 5:2

You yourselves know well that the Day of the Lord will come just as a thief comes in the night.

Matthew 24:42

Therefore watch; for you cannot be sure on what day your Master is coming.

Matthew 24:44

Therefore, do you also prepare, since it is just when you are least expecting him that the Son of Man will come.

2 Peter 3:10

The Day of the Lord will come like a thief; and on that day the heavens will pass away with a crash, the elements will be burnt up and dissolved, and the earth and all that is in it will be disclosed.

Revelation 3:3

Therefore remember what you have received and heard, and lay it to heart and repent. Unless you are on the watch, I shall come like a thief, and you will not know at what hour I am coming to you.

Revelation 16:15

('I am coming like a thief! Happy will he be who is on the watch, and keeps his clothing at hand, so that he will not have to walk about unclothed and let men see his nakedness.')

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
Therefore watch; for you cannot be sure on what day your Master is coming.
Matthew 25:13
Therefore watch, since you know neither the Day nor the Hour.
Mark 13:32
But about 'That Day,' or 'The Hour,' no one knows--not even the angels in Heaven, nor yet the Son--but only the Father.
Acts 1:7
His answer was: "It is not for you to know times or hours, for the Father has reserved these for his own decision;
1 Thessalonians 5:2
You yourselves know well that the Day of the Lord will come just as a thief comes in the night.
2 Peter 3:10
The Day of the Lord will come like a thief; and on that day the heavens will pass away with a crash, the elements will be burnt up and dissolved, and the earth and all that is in it will be disclosed.
Revelation 3:3
Therefore remember what you have received and heard, and lay it to heart and repent. Unless you are on the watch, I shall come like a thief, and you will not know at what hour I am coming to you.
Revelation 16:15
('I am coming like a thief! Happy will he be who is on the watch, and keeps his clothing at hand, so that he will not have to walk about unclothed and let men see his nakedness.')