Contradiction with Matthew 24:36
This verse speaks of the uncertainty of the timing of God's judgment, contrasting with Joel 3:14 which implies a clear impending judgment in the "valley of decision".
Matthew 24:36: But of that day and hour knoweth no [man], no, not the angels of heaven, but my Father only.
Contradiction with 1 Thessalonians 5:2
Emphasizes the unexpected nature of the "day of the Lord" coming like a thief in the night, which differs from the visible and decisive judgment day described in Joel 3:14.
1 Thessalonians 5:2: For yourselves know perfectly that the day of the Lord so cometh as a thief in the night.
Contradiction with Revelation 16:14-16
Refers to the ultimate battle of Armageddon where the world's kings are gathered, contrasting with Joel 3:14's gathering in the valley, which doesn't specify a battle context.
Revelation 16:14-16: For they are the spirits of devils, working miracles, [which] go forth unto the kings of the earth and of the whole world, to gather them to the battle of that great day of God Almighty.
Contradiction with Ecclesiastes 11:5
Highlights human inability to know God's work or plans, contrasting with the assured and clear judgment pronounced in Joel 3:14.
Ecclesiastes 11:5: As thou knowest not what [is] the way of the spirit, [nor] how the bones [do grow] in the womb of her that is with child: even so thou knowest not the works of God who maketh all.