Joel 2:31

31 aThe sun shall be turned to darkness, band the moon to blood, cbefore the great and awesome day of the Lord comes.

Joel 3:14

14 Multitudes, multitudes,
in the valley of decision!
For dthe day of the Lord is near
in the valley of decision.

Malachi 4:1

The Great Day of the Lord

1
Ch 4:1–6 is ch 3:19–24 in Hebrew
For behold, fthe day is coming, gburning like an oven, when hall the arrogant and iall evildoers jwill be stubble. The day that is coming kshall set them ablaze, says the Lord of hosts, so that it will leave them neither root nor branch.

Malachi 4:5

5 lBehold, I will send you mElijah the prophet nbefore the great and awesome day of the Lord comes.
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