Why is a thanksgiving offering not brought on the eve of Passover: because of its ten leavened loaves, or because of its thirty unleavened loaves given the prohibition against eating matzah that day?

This source-based Torah study examines the question: Why is a thanksgiving offering not brought on the eve of Passover: because of its ten leavened loaves, or because of its thirty unleavened loaves given the prohibition against eating matzah that day? The canonical Hebrew discussion develops the issue through the weekly Torah portion and the sources cited there, preserving the distinctions, tensions, and practical implications of the original text. This localized discovery layer does not add any new halakhic, medical, legal, scientific, historical, theological, or empirical ruling or claim beyond the canonical Hebrew source.