Matthew 24:33

In the same way also, when you see all these things happening, you [should] know that He [i.e., Jesus] is as near as your [front] door.

Philippians 4:5

You should let your gentleness be known to all people. The Lord is near. [Note: This "nearness" could refer to Christ's second coming or to His nearness to His people in a spiritual sense].

James 5:9

Do not complain against one another, brothers, so that you will not [have to] be judged [and condemned for it]. Look, the Judge [i.e., Christ] is standing at the door! [See verse 8].

Revelation 6:17

For the terrible day of their anger has come, and who will be able to survive it?"

Revelation 19:13-21

And He is dressed in a robe that has been dipped in blood, and the name by which He is called is "The Word of God."

Treasury of Scripture Knowledge

Summary

For the day is near, even the day of the LORD is near, a cloudy day; it shall be the time of the heathen.

The time

Bible References

The day is

Matthew 24:33
In the same way also, when you see all these things happening, you [should] know that He [i.e., Jesus] is as near as your [front] door.
Philippians 4:5
You should let your gentleness be known to all people. The Lord is near. [Note: This "nearness" could refer to Christ's second coming or to His nearness to His people in a spiritual sense].
James 5:9
Do not complain against one another, brothers, so that you will not [have to] be judged [and condemned for it]. Look, the Judge [i.e., Christ] is standing at the door! [See verse 8].
Revelation 6:17
For the terrible day of their anger has come, and who will be able to survive it?"

The time

Revelation 19:13
And He is dressed in a robe that has been dipped in blood, and the name by which He is called is "The Word of God."