Every 28 years, Jews gather at sunrise to recite an ancient blessing marking what the Babylonian Talmud claimed was the sun's return to its original position at Creation. This rare ritual, known as Birkat Hahammah, stems from the 3rd-century sage Abbaye's interpretation of astronomical cycles, though its calculations reflect the historical tension between religious tradition and scientific precision. Through analysis of talmudic sources, medieval codifications, and astronomical data, this research reveals how Samuel's foundational calculation of a 365¼-day year—while creating an eighteen-day discrepancy with the true vernal equinox—became enshrined in Jewish practice. The methodology examines primary talmudic texts alongside astronomical measurements to trace the ritual's evolution from a simple blessing to an elaborate service, addressing halakhic disputes over timing and participation. Despite the known inaccuracies compared to modern measurements (365.2422 days annually), Jewish authorities have maintained the traditional calculation for liturgical purposes. The research demonstrates how this infrequent observance serves to affirm monotheistic faith by acknowledging God as creator rather than worshipping celestial bodies directly. Beyond its astronomical imprecision, Birkat Hahammah endures as both a powerful communal religious experience and a theological statement about divine sovereignty over nature.