Contradiction with Exodus 12:24
Exodus 23:14 prescribes three feasts in a year, while Exodus 12:24 emphasizes the perpetual keeping of Passover specifically, creating a contrast in the specified observances.
Exodus 12:24: And ye shall observe this thing for an ordinance to thee and to thy sons for ever.
Contradiction with Colossians 2:16-17
Exodus 23:14 mandates the observance of feasts, whereas Colossians 2:16-17 suggests that festivals are merely a shadow and not binding for Christians, reflecting a shift in importance.
Colossians 2:16-17: Let no man therefore judge you in meat, or in drink, or in respect of an holyday, or of the new moon, or of the sabbath [days]: [in meat...: or, for eating and drinking] [respect: or, part]
Contradiction with Romans 14:5
Exodus 23:14 instructs specific times for feasts, but Romans 14:5 implies personal discretion over observing certain days, offering a more individualized approach.
Romans 14:5: One man esteemeth one day above another: another esteemeth every day [alike]. Let every man be fully persuaded in his own mind. [fully persuaded: or, fully assured]
Contradiction with Isaiah 1:13-14
Exodus 23:14 promotes feasts, contrasting Isaiah 1:13-14, where God expresses disdain for the ritualistic observance of festivals due to insincere worship.
Isaiah 1:13-14: Bring no more vain oblations; incense is an abomination unto me; the new moons and sabbaths, the calling of assemblies, I cannot away with; [it is] iniquity, even the solemn meeting. [iniquity: or, grief]