The Calends and the Weekly Cycle In the Roman Republic Calendar, the Calends—the first day of each month—never align with Sunday or any other day of the week. Likewise, Sunday, as the first day of the week, remains distinct from Saturday, the seventh day. This enduring separation mirrors the design established in the Genesis creation narrative. The Old Creation Day, described in B'reyshiyth (Genesis) 1:1-2 and revisited in 2:4-3, marks the inception of all things. It corresponds to the first Calends of the year, the true New Year's Day: True March (Nisan) 1, 3999 BC. The next day, the first day of the week, aligns with B'reyshiyth 1:3, beginning the divine work of creation on Sunday, March 2, 3999 BC. Using ancient calendars, like the Roman Republic Calendar (RRC), is how many of the best historians describe ancient timelines. Such tools avoid the confusion inherent in retrospective interpretations through the Gregorian Calendar. For example, the Gregorian system has produc...