In the Desert, Was the New Month Sanctified by Sighting the Moon or by Calculation?

This source-based Torah study examines the question: In the Desert, Was the New Month Sanctified by Sighting the Moon or by Calculation? It follows the canonical Hebrew discussion through the parasha and classical Jewish sources. The localized layer is a concise discovery summary rather than a full translation of the article body; any halakhic, historical, theological or practical claims remain source-framed and subject to the canonical review status.