the Anniversary Feasts were Seasons of Rendered Unavailing by the Impiety of the Jews

Bring your worthless offerings no more; your incense is detestable to Me. New Moons, Sabbaths, and convocations—I cannot endure iniquity in a solemn assembly.

I hate your New Moons and your appointed feasts. They have become a burden to Me; I am weary of bearing them.

“I hate, I despise your feasts! I cannot stand the stench of your solemn assemblies.