Joel 2:1
Blow the ram’s horn in Zion; sound the alarm on My holy mountain! Let all who dwell in the land tremble, for the Day of the LORD is coming; indeed, it is near—

Amos 5:18-20
Woe to you who long for the Day of the LORD! What will the Day of the LORD be for you? It will be darkness and not light. / It will be like a man who flees from a lion, only to encounter a bear, or who enters his house and rests his hand against the wall, only to be bitten by a snake. / Will not the Day of the LORD be darkness and not light, even gloom with no brightness in it?

Isaiah 13:6-9
Wail, for the Day of the LORD is near; it will come as destruction from the Almighty. / Therefore all hands will fall limp, and every man’s heart will melt. / Terror, pain, and anguish will seize them; they will writhe like a woman in labor. They will look at one another, their faces flushed with fear. ...

Ezekiel 7:7
Doom has come to you, O inhabitants of the land. The time has come; the day is near; there is panic on the mountains instead of shouts of joy.

Jeremiah 4:19-21
My anguish, my anguish! I writhe in pain! Oh, the pain in my chest! My heart pounds within me; I cannot be silent. For I have heard the sound of the horn, the alarm of battle. / Disaster after disaster is proclaimed, for the whole land is laid waste. My tents are destroyed in an instant, my curtains in a moment. / How long must I see the signal flag and hear the sound of the horn?

Isaiah 22:5
For the Lord GOD of Hosts has set a day of tumult and trampling and confusion in the Valley of Vision—of breaking down the walls and crying to the mountains.

Ezekiel 30:2-3
“Son of man, prophesy and declare that this is what the Lord GOD says: Wail, ‘Alas for that day!’ / For the day is near, the Day of the LORD is near. It will be a day of clouds, a time of doom for the nations.

Malachi 4:1
“For behold, the day is coming, burning like a furnace, when all the arrogant and every evildoer will be stubble; the day is coming when I will set them ablaze,” says the LORD of Hosts. “Not a root or branch will be left to them.”

Matthew 24:29-31
Immediately after the tribulation of those days: ‘The sun will be darkened, and the moon will not give its light; the stars will fall from the sky, and the powers of the heavens will be shaken.’ / At that time the sign of the Son of Man will appear in heaven, and all the tribes of the earth will mourn. They will see the Son of Man coming on the clouds of heaven with power and great glory. / And He will send out His angels with a loud trumpet call, and they will gather His elect from the four winds, from one end of the heavens to the other.

Luke 21:25-27
There will be signs in the sun and moon and stars, and on the earth dismay among the nations, bewildered by the roaring of the sea and the surging of the waves. / Men will faint from fear and anxiety over what is coming upon the earth, for the powers of the heavens will be shaken. / At that time they will see the Son of Man coming in a cloud with power and great glory.

Revelation 6:12-17
And I watched as the Lamb opened the sixth seal, and there was a great earthquake, and the sun became black like sackcloth of goat hair, and the whole moon turned blood red, / and the stars of the sky fell to the earth like unripe figs dropping from a tree shaken by a great wind. / The sky receded like a scroll being rolled up, and every mountain and island was moved from its place. ...

1 Thessalonians 5:2-3
For you are fully aware that the Day of the Lord will come like a thief in the night. / While people are saying, “Peace and security,” destruction will come upon them suddenly, like labor pains on a pregnant woman, and they will not escape.

2 Peter 3:10
But the Day of the Lord will come like a thief. The heavens will disappear with a roar, the elements will be destroyed by fire, and the earth and its works will be laid bare.

Joel 2:11
The LORD raises His voice in the presence of His army. Indeed, His camp is very large, for mighty are those who obey His command. For the Day of the LORD is great and very dreadful. Who can endure it?

Isaiah 2:12
For the Day of the LORD of Hosts will come against all the proud and lofty, against all that is exalted—it will be humbled—