Contradiction with Jeremiah 29:11
While Jeremiah 36:9 describes a time of fasting and impending disaster, Jeremiah 29:11 assures a hopeful future and prosperity.
Jeremiah 29:11: For I know the thoughts that I think toward you, saith the LORD, thoughts of peace, and not of evil, to give you an expected end. [expected...: Heb. end and expectation]
Contradiction with Ecclesiastes 3:1
Jeremiah 36:9 focuses on a specific time of doom, whereas Ecclesiastes 3:1 states there is a time for every purpose, suggesting a broader perspective on time and events.
Ecclesiastes 3:1: To every [thing there is] a season, and a time to every purpose under the heaven:
Contradiction with Matthew 6:16
Jeremiah 36:9 describes a public, collective fast in response to imminent threat, while Matthew 6:16 advises on the private, unobtrusive manner of fasting.
Matthew 6:16: Moreover when ye fast, be not, as the hypocrites, of a sad countenance: for they disfigure their faces, that they may appear unto men to fast. Verily I say unto you, They have their reward.
Contradiction with 1 Thessalonians 5:16-18
Jeremiah 36:9 emphasizes mourning and urgency, contradicting the encouragement for continuous joy and gratitude in all circumstances found in this verse.
1 Thessalonians 5:16-18: Rejoice evermore.