A period of time that begins with God’s judgment on the World for rejecting Him. As the list of references below show, it is still in the future. It will begin AFTER the Church (True Believer’s) has been removed from the earth. Read 2 Thessalonians 5:1-11.
Old Testament References:
Isaiah 2:12 For the day of the Lord of hosts shall be upon every one that is proud and lofty, and upon every one that is lifted up; and he shall be brought low:
Isaiah 13:6 Howl ye; for the day of the Lord is at hand; it shall come as a destruction from the Almighty.
Isaiah 13:9 Behold, the day of the Lord cometh, cruel both with wrath and fierce anger, to lay the land desolate: and he shall destroy the sinners thereof out of it.
Jeremiah 46:10 For this is the day of the Lord God of hosts, a day of vengeance, that he may avenge him of his adversaries: and the sword shall devour, and it shall be satiate and made drunk with their blood: for the Lord God of hosts hath a sacrifice in the north country by the river Euphrates.
Ezekiel 13:5 Ye have not gone up into the gaps, neither made up the hedge for the house of Israel to stand in the battle in the day of the Lord.
Ezekiel 30:3 For the day is near, even the day of the Lord is near, a cloudy day; it shall be the time of the heathen.
Joel 1:15 Alas for the day! for the day of the Lord is at hand, and as a destruction from the Almighty shall it come.
Joel 2:1 Blow ye the trumpet in Zion, and sound an alarm in my holy mountain: let all the inhabitants of the land tremble: for the day of the Lord cometh, for it is nigh at hand;
Joel 2:11 And the Lord shall utter his voice before his army: for his camp is very great: for he is strong that executeth his word: for the day of the Lord is great and very terrible; and who can abide it?
Joel 2:31 The sun shall be turned into darkness, and the moon into blood, before the great and terrible day of the Lord come.
Joel 3:14 Multitudes, multitudes in the valley of decision: for the day of the Lord is near in the valley of decision.
Amos 5:18 Woe unto you that desire the day of the Lord! to what end is it for you? the day of the Lord is darkness, and not light.
Amos 5:20 Shall not the day of the Lord be darkness, and not light? even very dark, and no brightness in it?
Obadiah 1:15 For the day of the Lord is near upon all the heathen: as thou hast done, it shall be done unto thee: thy reward shall return upon thine own head.
Zephaniah 1:7 Hold thy peace at the presence of the Lord God: for the day of the Lord is at hand: for the Lord hath prepared a sacrifice, he hath bid his guests.
Zephaniah 1:14 The great day of the Lord is near, it is near, and hasteth greatly, even the voice of the day of the Lord: the mighty man shall cry there bitterly.
Zechariah 14:1 Behold, the day of the Lord cometh, and thy spoil shall be divided in the midst of thee.
Malachi 4:5 Behold, I will send you Elijah the prophet before the coming of the great and dreadful day of the Lord:
New Testament References:
Acts 2:20 The sun shall be turned into darkness, and the moon into blood, before the great and notable day of the Lord come:
1 Corinthians 5:5 To deliver such an one unto Satan for the destruction of the flesh, that the spirit may be saved in the day of the Lord Jesus.
2 Corinthians 1:14 As also ye have acknowledged us in part, that we are your rejoicing, even as ye also are our’s in the day of the Lord Jesus.
1 Thessalonians 5:2 For yourselves know perfectly that the day of the Lord so cometh as a thief in the night.
2 Peter 3:10 But the day of the Lord will come as a thief in the night; in the which the heavens shall pass away with a great noise, and the elements shall melt with fervent heat, the earth also and the works that are therein shall be burned up.
As can be seen, all the references are future and NOT for true believers.