Contradiction with Ecclesiastes 3:4
While Psalms 30:11 talks about turning mourning into dancing, Ecclesiastes 3:4 indicates a time for both mourning and dancing, suggesting that these experiences are distinct and separate.
Ecclesiastes 3:4: A time to weep, and a time to laugh; a time to mourn, and a time to dance;
Contradiction with Isaiah 22:12-13
Whereas Psalms 30:11 depicts a transformation from mourning into joy, Isaiah 22:12-13 portrays a call to mourning that is ignored in favor of revelry, highlighting a disregard for the proper time to mourn.
Isaiah 22:12-13: And in that day did the Lord GOD of hosts call to weeping, and to mourning, and to baldness, and to girding with sackcloth:
Contradiction with Amos 8:10
In contrast to Psalms 30:11, where mourning is transformed into dancing, Amos 8:10 predicts turning feasts into mourning, emphasizing a movement from joy to sorrow.
Amos 8:10: And I will turn your feasts into mourning, and all your songs into lamentation; and I will bring up sackcloth upon all loins, and baldness upon every head; and I will make it as the mourning of an only [son], and the end thereof as a bitter day.